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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Can Communication System (HV) - Diagnostics - Introduction (25 Of 25)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Fail-Safe Chart [12/2021 - 10/2022] >> Fail-Safe Chart [12/2021 - 10/2022]

Fail-Safe Chart [12/2021 - 10/2022]

WARNING: This page is about a different variant/trim than selected.
  1. FAIL-SAFE FUNCTION 
    1. When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for each system operates to prevent those systems from malfunctioning.
    2. The following table shows the effects on each system when communication is impossible. (For further details, see the reference(s) for each system.)
      Function Control Master
      (Main ECU to determine controls)      		 System Related Fail-safe Operation Driver Detectable DTC Detection
      (ECU that stored DTC)
      Garage Door Opener Function
      • Judges whether sending of the garage door opener signal is permitted or prohibited.
      • Displays the registration procedure for garage door opener remote controls.
      		 Inner rear view mirror assembly Main body ECU (multiplex network body ECU) Disables the garage door opener to be operated when the alarm is sounding. Nothing U0140-87
      (Inner rear view mirror assembly)
      Hybrid vehicle control ECU assembly The registration procedure is not displayed. Nothing U0293-87
      (Inner rear view mirror assembly)
      Blind Spot Monitor
      (Detects vehicles in blind spots that cannot be recognized with the vehicle outer mirrors and neighboring vehicles where a collision is possible in case of a lane change and notifies the driver.)      		 Blind spot monitor sensor LH
      • Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU assembly
      • Steering sensor
      • Main body ECU (multiplex network body ECU)
      		 The final value is maintained.
      • The BSM indicator light illuminates.
      • Displayed on multi-information display.
      • U0125
      • U0126
      • U0129
      • U0142
      • U0293
      (Blind spot monitor sensor LH)
      Parking Assist Monitor
      (Monitors the shift signal, steering angle signal and displays the estimated course lines on the display according to the steer amount when the vehicle is moving in reverse.)      		 Television camera assembly Television camera assembly
      • An alert mark is displayed.
      • The estimated course lines are not displayed.
        • The guide lines (linked lines) are not displayed.
        • Distance guide line 3 (the fixed guide line) is displayed in red.
      • Clearance sonar icon is not displayed.
      • RCTA icon is not displayed.
      • Soft switch is grayed out.
      • Operates with stored values of language switching and vehicle information.
      		 Alert mark displayed on top of camera screen. -
      Hybrid vehicle control ECU assembly
      • An alert mark is displayed.
      • Operates with vehicle information according to previous values.
      		 Alert mark displayed on top of camera screen. U0293
      (Television camera assembly)
      Parking Assist Monitor
      (Monitors the shift signal, steering angle signal and displays the estimated course lines on the display according to the steer amount when the vehicle is moving in reverse.)      		 Television camera assembly Main body ECU (multiplex network body ECU)
      • An alert mark is displayed.
      • Guide lines are not displayed
        • The guide lines (linked lines) are not displayed.
        • The guide lines (fixed lines) are not displayed.
      • The clearance sonar icon is not displayed.
      • The RCTA icon is not displayed.
      • The soft switch is not displayed.
      • Operates with vehicle information according to previous values.
      		 Alert mark displayed on top of camera screen. U0140
      (Television camera assembly)
      Steering sensor
      • An alert mark is displayed.
      • No estimated course lines are displayed.
        • The guide lines (linked lines) are not displayed.
        • Distance guide line 3 (the fixed guide line) is displayed in red.
      • Operates with vehicle information according to previous values.
      		 Alert mark displayed on top of camera screen. U0126
      (Television camera assembly)
      Clearance warning ECU assembly Clearance sonar icon is not displayed. Clearance sonar icon is not displayed. U1110
      (Television camera assembly)
      Parking Assist Monitor
      (Monitors the shift signal, steering angle signal and displays the estimated course lines on the display according to the steer amount when the vehicle is moving in reverse.)      		 Television camera assembly Radio and display receiver assembly
      • An alert mark is displayed.
      • Language switch: It operates according to previous values.
      • Screen design: It operates according to previous values.
      • Soft switch is grayed out.
      		 Alert mark displayed on top of camera screen. U0163
      (Television camera assembly)
      Blind spot monitor sensor LH
      • RCTA icon is not displayed.
      • RCTA information: Operates with stored value.
      		 RCTA icon is not displayed. U0233
      (Television camera assembly)
      Lost Communication Detection
      (Monitors the NS and NM frames of the ECU connected to the global bus to detect for ECU communication failures.)      		 Central gateway ECU (network gateway ECU) ECUs connected to the global bus Stores the communication failure time. Nothing -
      Display Dimmer Signal, Each Door Courtesy Switch Signal, Driver Seat Buckle Switch Signal and Parking Brake Switch Signal Clearance warning ECU assembly Main body ECU (multiplex network body ECU) Parking brake signal is on. Nothing U0142
      (Clearance warning ECU assembly)
      Destination Determination Function
      • Judges the destination and uses the information for an operation condition for the app.
      • Judges the handle position and uses the information for an operation condition for the app.
      		 Clearance warning ECU assembly Main body ECU (multiplex network body ECU) If this stops, the system operates with the EEPROM stored value. Nothing -
      Shift Position Signal
      (Used for application operation conditions.)      		 Clearance warning ECU assembly ECM Changes to an operation state which is used when the shift lever is in P. Stops application operation.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0101
      (Clearance warning ECU assembly)
      Engine Model Information
      • Judges the engine/transmission model and switches the control constant table.
      • Used for application operation conditions.
      • Determines 2WD/AWD and used for switching the parameter table for turning, etc.
      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly If this stops, the system operates with the EEPROM stored value. Stops application operation.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293
      (Clearance warning ECU assembly)
      Clearance Sonar Main Switch Information
      • Used as an operation condition for the ICS.
      • Used for clearance sonar operation conditions.
      		 Clearance warning ECU assembly Combination meter assembly Stops application operation.
      (Displays warning message in combination meter and sounds the buzzer.)      		 Stops application operation.
      (Displays warning message in combination meter and sounds the buzzer.)      		 -
      Clearance Sonar Buzzer Mute/Volume Change
      (Used for clearance sonar operation conditions.)      		 Clearance warning ECU assembly Combination meter assembly Stops application operation.
      (Displays warning message in combination meter and sounds the buzzer.)      		 Stops application operation.
      (Displays warning message in combination meter and sounds the buzzer.)      		 -
      Ambient Temperature Data (Display)
      (Uses ultrasonic waves to calibrate measured distances.)      		 Clearance warning ECU assembly Air conditioning amplifier assembly Nothing Nothing U0164-87
      (Clearance warning ECU assembly)
      Display Dimmer Signal, Each Door Courtesy Switch Signal, Driver Seat Buckle Switch Signal and Parking Brake Switch Signal Clearance warning ECU assembly Main body ECU (multiplex network body ECU) Nothing Nothing U0140-87
      (Clearance warning ECU assembly)
      Destination Determination Function
      • Judges the destination and uses the information for an operation condition for the app.
      • Judges the handle position and uses the information for an operation condition for the app.
      		 Clearance warning ECU assembly Main body ECU (multiplex network body ECU) If this stops, the system operates with the EEPROM stored value. App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0140-87
      (Clearance warning ECU assembly)
      RCTBSTAT, Master Module Installation Direction, Master Radar Signal Reception Flag, Slave Radar Signal Reception Flag
      (Used for RCTAB control.)      		 Clearance warning ECU assembly Blind spot monitor sensor LH Only RCTAB control is canceled.
      (ICS operates.)      		 Nothing U1178-87
      (Clearance warning ECU assembly)
      Target ID
      (Used for RCTAB control.)      		 Clearance warning ECU assembly
      • Blind spot monitor sensor RH
      • Blind spot monitor sensor LH
      		 Only RCTAB control is canceled.
      (ICS operates.)      		 Nothing U1178-87
      (Clearance warning ECU assembly)
      RCTA Warning Information
      (Used for RCTAB control.)      		 Clearance warning ECU assembly
      • Blind spot monitor sensor RH
      • Blind spot monitor sensor LH
      		 Only RCTAB control is canceled.
      (ICS operates.)      		 Nothing U1178-87
      (Clearance warning ECU assembly)
      New Target
      (Used for RCTAB control.)      		 Clearance warning ECU assembly
      • Blind spot monitor sensor RH
      • Blind spot monitor sensor LH
      		 Only RCTAB control is canceled.
      (ICS operates.)      		 Nothing U1178-87
      (Clearance warning ECU assembly)
      Extrapolating Status, Ghosting Possibility, X Half Width, Radar Reflective Cross-sectional Area, Relative Distance X And Y, Relative Speed VX And VY
      (Used for RCTAB control.)      		 Clearance warning ECU assembly
      • Blind spot monitor sensor RH
      • Blind spot monitor sensor LH
      		 Only RCTAB control is canceled.
      (ICS operates.)      		 Nothing U1178-87
      (Clearance warning ECU assembly)
      Shift Position Signal
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly Changes to an operation state which is used when the shift lever is in P. App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      Engine Model Information
      • Judges the engine/transmission model and switches the control constant table.
      • Used as an operation condition for the app.
      • Determines 2WD/AWD and used for switching the parameter table for turning, etc.
      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly If this stops, the system operates with the EEPROM stored value. App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      Engine Control State Information
      • Judges whether the hybrid system is on or off.
      • Used as an operation condition for the app.
      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      During Clearance Sonar Request Operation G
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      Cruise Control Information
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      Accelerator Opening Angle
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      HV System Enabled Flag
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Hybrid vehicle control ECU assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0293-87
      (Clearance warning ECU assembly)
      Clearance Sonar Main Switch Information
      • Used as an operation condition for ICS.
      • Used as an operation condition for clearance sonar.
      		 Clearance warning ECU assembly Combination meter assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0155-87
      (Clearance warning ECU assembly)
      Clearance Sonar Buzzer Mute/Volume Change
      (Used as an operation condition for clearance sonar.)      		 Clearance warning ECU assembly Combination meter assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0155-87
      (Clearance warning ECU assembly)
      Data Continuity (Valid/Invalid) Flag, +B Open Circuit Malfunction, Sensor Malfunction, Steering Angle Signal, Sensor Zero Point Memorization Invalid/Valid, Steering Angle Sensor Internally Stored Zero Point Value, Steering Angle Sensor Information Calculated Value
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Steering sensor App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0126-87
      (Clearance warning ECU assembly)
      Non-continuously Occurring Display Flag, VGRS Setting Availability Information
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Steering sensor App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0126-87
      (Clearance warning ECU assembly)
      Wheel Speed Information
      (The wheel speed signal from each wheel (after 1/2 filter) is used to calculate the vehicle speed.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0129-87
      (Clearance warning ECU assembly)
      Wheel Speed Sensor Condition Information, Wheel Speed Information Calculated Value
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0129-87
      (Clearance warning ECU assembly)
      Master Cylinder Pressure Malfunction Flag, Master Cylinder Pressure Invalid Flag, Master Cylinder Pressure, BA Fail Signal, STP Switch Signal, Under VSC Control, STP Switch Open Circuit Signal, Under ABS Control
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0129-87
      (Clearance warning ECU assembly)
      Brake Control State Signal
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0129-87
      (Clearance warning ECU assembly)
      Yaw Rate Sensor Signal
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0125-87
      (Clearance warning ECU assembly)
      Speed Information Signal for Each Wheel
      (Calculates the amount of movement.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0129-87
      (Clearance warning ECU assembly)
      VSC OFF, TRAC OFF Indicator
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Brake actuator assembly (No. 2 skid control ECU) App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0129-87
      (Clearance warning ECU assembly)
      Yaw Rate Sensor State Signal
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Airbag ECU assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 U0125-87
      (Clearance warning ECU assembly)
      Rear Camera Detection State Signal
      (Used as an operation condition for the app.)      		 Clearance warning ECU assembly Television camera assembly App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 App stops operating.
      (Displays warning message in combination meter and sounds the buzzer.)      		 -
      Lane Departure Alert System
      (Alerts the driver of the possibility of lane departure and performs steering control to assist the vehicle in returning to the center of the road.)      		 Forward recognition camera
      • Hybrid vehicle control ECU assembly
      • ECM
      • Steering sensor
      • Brake actuator assembly (No. 2 skid control ECU)
      • Rack and pinion power steering gear assembly
      • Combination meter assembly
      • Millimeter wave radar sensor assembly
      		 The system is stopped. Displays messages on the multi-information display.
      • U0100-87
      • U0126-87
      • U0129-87
      • U0131-87
      • U0155-87
      • U0235-87
      • U0293-87
      • U0300-51
      • U0300-57
      (Forward recognition camera)
      Lane Tracing Assist System
      (Recognizes the lane with the front camera and assists the vehicle in driving the center of the road.)
      Road Sign Assist
      (Recognizes the sign with the front camera and displays the recognized sign on the combination meter assembly.)      		 Forward recognition camera
      • Hybrid vehicle control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      		 Stops the road sign display. Displays messages on the multi-information display.
      • U0129-87
      • U0140-87
      • U0155-87
      • U0293-87
      (Forward recognition camera)
      Automatic High Beam System /Adaptive High Beam System (Uses the front camera to recognize headlights and taillights and sends that target information to the control ECU.) Forward recognition camera
      • Hybrid vehicle control ECU assembly
      • ECM
      • Main body ECU (multiplex network body ECU)
      • Brake actuator assembly (No. 2 skid control ECU)
      		 Previous value is maintained.
      • Displays messages on the multi-information display.
      • Automatic high beam indicator light illuminates.
      • U0100-87
      • U0129-87
      • U0140-87
      • U0235-87
      • U0293-87
      (Forward recognition camera)
      Forward Recognition Camera System
      (Sends the common calculation and recognition result to each application in the forward recognition camera.)      		 Forward recognition camera
      • Hybrid vehicle control ECU assembly
      • ECM
      • Steering sensor
      • Brake actuator assembly (No. 2 skid control ECU)
      • Combination meter assembly
      • Main body ECU (multiplex network body ECU)
      • Detection is disabled.
      • Previous value is maintained.
      		 -
      • U0100-87
      • U0126-87
      • U0129-87
      • U0140-87
      • U0155-87
      • U0293-87
      • U0300-51
      • U0300-57
      • U0322-51
      • U0322-57
      (Forward recognition camera)
      Panoramic View Monitor
      • Shows an overhead map along with front, side and rear images on the display.
      • Shows guide lines on the displayed image in tandem with the steering angle.
      • Displays the clearance sonar detection area.
      • Displays the RCTA detection condition.
      		 Parking assist ECU
      • Hybrid vehicle control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Main body ECU (multiplex network body ECU)
      • Steering sensor
      • Clearance warning ECU assembly
      • Radio and display receiver assembly
      • Blind spot monitor sensor LH
      • Television camera assembly
      • An alert mark is displayed.
      • The guide lines (linked lines) are not displayed.
      • Distance guide line 3 (the fixed guide line) is displayed in red.
      • The clearance sonar icon is not displayed.
      • RCTA icon is not displayed.
      • Soft switch is grayed out.
      • Language switching operates with stored value.
      • Operates with vehicle information according to previous values.
      • The screen display is stopped when the front mode screen is displayed.
      • Screen design: It operates according to previous values.
      • Guide lines (fixed lines) are not displayed.
      • RCTA information operates with stored value.
      		 Alert mark displayed on top of camera screen.
      • U0073
      • U0126
      • U0129
      • U0140
      • U0163
      • U0233
      • U0265
      • U0293
      • U1110
      (Parking assist ECU)
      ABS
      (Prevents the wheels from locking during sudden stops.)      		 Brake actuator assembly (No. 2 skid control ECU) Nothing Control is continued. Nothing -
      Brake Assist
      (Estimates the driver's intentions based on the speed and force that the brake pedal is depressed and assists the braking force.)      		 Brake actuator assembly (No. 2 skid control ECU) Airbag ECU assembly Control is continued.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      		 U0125-87
      (Brake actuator assembly [No. 2 skid control ECU])
      TRAC/VSC/VDIM
      (Suppresses vehicle instability, such as sliding sideways when cornering and wheel slippage when starting off.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU
      • Inverter with converter assembly
      • ECM
      • Airbag ECU assembly
      • Steering sensor
      		 Control is prohibited.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      • U0100-87
      • U0101-87
      • U0110-87
      • U0125-87
      • U0126-87
      • U0293-87
      • U1150-87
      • U115C-87
      (Brake actuator assembly [No. 2 skid control ECU])
      Hill Start Assist Control
      (Maintains the brake oil pressure for 2 seconds when the brake pedal is released when starting off the vehicle from a stop on a slope.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU
      • Inverter with converter assembly
      • ECM
      • Airbag ECU assembly
      • Steering sensor
      		 Control is prohibited.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      • U0100-87
      • U0101-87
      • U0110-87
      • U0125-87
      • U0126-87
      • U0293-87
      • U1150-87
      • U115C-87
      (Brake actuator assembly [No. 2 skid control ECU])
      Brake Hold
      (Maintains the brake fluid pressure when the vehicle is stopped.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU
      • Inverter with converter assembly
      • ECM
      • Airbag ECU assembly
      • Steering sensor
      		 Control is prohibited.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      • U0100-87
      • U0101-87
      • U0110-87
      • U0125-87
      • U0126-87
      • U0293-87
      • U1150-87
      • U115C-87
      (Brake actuator assembly [No. 2 skid control ECU])
      MCB
      (Applies control to avoid a secondary collision after collision is detected.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU
      • ECM
      • Airbag ECU assembly
      		 Control is prohibited.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      • U0100-87
      • U0101-87
      • U0293-87
      • U1150-87
      • U115C-87
      (Brake actuator assembly [No. 2 skid control ECU])
      Control is continued.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • U0125-87
      • U0151-87
      (Brake actuator assembly [No. 2 skid control ECU])
      Coordinated Regeneration
      (Performs regenerative brake coordinated control with the hybrid system.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU
      • Inverter with converter assembly
      • Certification ECU (smart key ECU assembly)
      • Brake booster with master cylinder assembly (No. 1 skid control ECU)
      • Brake actuator assembly (No. 2 skid control ECU)
      		 Control is continued.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      • U0110-87
      • U0125-87
      • U0129-87
      • U025E-87
      • U0293-87
      • U1107-87
      • U1150-87
      (Brake actuator assembly [No. 2 skid control ECU])
      Shift Interlock Control
      (Function that automatically operates the electronic parking brake when shift position P is selected, and automatically releases the electronic parking brake when shift position D, N, or R is selected.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • ECM
      • Hybrid vehicle control ECU
      		 Shift-linked control is stopped.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • The MIL (Check engine warning light) illuminates.
      • Displays messages on the multi-information display.
      • U0100-87
      • U0101-87
      • U0293-87
      (Brake actuator assembly [No. 2 skid control ECU])
      Drive Away Release Control
      (With shift position D or R selected, releases the parking brake when the accelerator pedal is depressed.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • ECM
      • Hybrid vehicle control ECU
      • Airbag ECU assembly
      • Main body ECU (multiplex network body ECU)
      		 Drive away release is stopped.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • The MIL (Check engine warning light) illuminates.
      • Displays messages on the multi-information display.
      • U0100-87
      • U0101-87
      • U0125-87
      • U0140-87
      • U0293-87
      (Brake actuator assembly (No. 2 skid control ECU))
      Regenerative Cooperation
      (Performs regenerative brake coordinated control with the hybrid system.)      		 Brake actuator assembly (No. 2 skid control ECU)
      • Airbag ECU assembly
      • Steering sensor
      • Parking brake ECU assembly
      • Hybrid vehicle control ECU assembly
      • Certification ECU (smart key ECU assembly)
      		 Prohibits control.
      • The ABS warning light illuminates.
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • The brake warning light (red) illuminates.
      • Displayed on multi-information display.
      • U0073
      • U0110
      • U0120
      • U0124
      • U0293
      (Brake actuator assembly [No. 2 skid control ECU])
      Continues control
      • The slip indicator light illuminates.
      • The brake hold operated indicator light blinks.
      • Displayed on multi-information display.
      • U0126
      • U0128
      • U0151
      (Brake actuator assembly [No. 2 skid control ECU])
      HV Inverter Control
      (Performs coordinated control with the inverter with converter assembly and ECM.)      		 Inverter with converter assembly Inverter with converter assembly Nothing The MIL (Check engine warning light) illuminates. U0110-87
      (ECM)
      Hybrid System Control
      (Performs coordinated control with the hybrid vehicle control ECU assembly and ECM.)      		 Hybrid vehicle control ECU assembly Hybrid vehicle control ECU assembly Nothing The MIL (Check engine warning light) illuminates. U0293-87
      (ECM)
      Air Conditioning Control
      (Assists with passing signals between the air conditioning amplifier and air conditioning inverter.)      		 Air conditioning amplifier assembly
      • Air conditioning amplifier assembly
      • Main body ECU (multiplex network body ECU)
      		 Nothing The MIL (Check engine warning light) does not illuminate.
      • U0140-87
      • U0164-87
      (Hybrid vehicle control ECU assembly)
      Regenerative Brake Coordinated Control
      (Attempts to increase the amount of energy recovered by coordinating control with the brake actuator assembly [No. 2 skid control ECU].)      		 Brake actuator assembly (No. 2 skid control ECU) Brake actuator assembly (No. 2 skid control ECU) Nothing The MIL (Check engine warning light) does not illuminate. U1170-87
      (Hybrid vehicle control ECU assembly)
      Driving Control, Engine Coordinated Control
      (Adjusts the engine and inverter with converter assembly after receiving engine information.)      		 Hybrid vehicle control ECU assembly ECM Nothing The MIL (Check engine warning light) illuminates. U0100-87
      (Hybrid vehicle control ECU assembly)
      Driving Control
      (Adjusts with the inverter with converter assembly.)      		 Hybrid vehicle control ECU assembly
      • Inverter with converter assembly
      • Certification ECU (smart key ECU assembly)
      		 Nothing The MIL (Check engine warning light) does not illuminate.
      • U0110-87
      • U1107-87
      (Hybrid vehicle control ECU assembly)
      Driving Control, Cruise Control
      (Adjusts with the brake actuator assembly [No. 2 skid control ECU] and automatically controls vehicle speed.)      		 Hybrid vehicle control ECU assembly Brake actuator assembly (No. 2 skid control ECU) Nothing The MIL (Check engine warning light) does not illuminate. U0129-87
      (Hybrid vehicle control ECU assembly)
      Vehicle Damage Determination
      (Determines whether there was a collision according to the airbag signal.)      		 Hybrid vehicle control ECU assembly Airbag ECU assembly Nothing The MIL (Check engine warning light) does not illuminate. U0151-87
      (Hybrid vehicle control ECU assembly)
      Motor/Generator Control
      (Calculates the boost command control and current command value from the motor rotation angle and requested torque, and controls the motor and generator.)
      • Inverter with converter assembly
      • Hybrid vehicle control ECU assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      		 Driving is normal.
      • The MIL (Check engine warning light) illuminates.
      • HVC illuminates.
      • U0100-87
      • U0293-87
      (Inverter with converter assembly)
      Brake actuator assembly (No. 2 skid control ECU) Driving is normal (regenerative braking is prohibited).
      • The MIL (Check engine warning light) does not illuminate.
      • HVC illuminates.
      		 U1170-87
      (Inverter with converter assembly)
      Air Conditioning Control
      (Controls the air conditioning functions.)      		 Radio and display receiver assembly Air conditioning amplifier assembly
      • The air conditioning related indicators are turned off.
      • If the set air temperature is displayed on an external display device, the set air temperature display is cleared.
      		 Displayed on multi-information display.
      • U0073
      • U0164
      (Radio and display receiver assembly)
      Clearance Sonar Setting
      (Sets clearance sonar screen notification conditions.)      		 Radio and display receiver assembly Clearance warning ECU assembly Changes to the last screen. Changes to the last screen.
      • U0073
      • U1110
      (Radio and display receiver assembly)
      Eco Navigation Display
      (Displays the average fuel consumption history and a graph that displays fuel consumption and amount of energy recovered per minute.)      		 Radio and display receiver assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • Starting fuel consumption calculation is not possible. After the calculated values are discarded and normal data is received, the 1-minute count is performed again.
      • After the calculated values are discarded and normal data is received, the 1-minute count is performed again.
      • When the system cannot receive the fuel consumption display scale (FC_SCL) and drive monitor unit signal 6 (UNIT_6), communication stop judgment is not performed and it displays the value of the last received signal.
      • When the following data cannot be received from the combination meter, it is not displayed.

        Even if a communication stop occurs, it is not displayed until the system returns to normal.

        • Current fuel consumption/average speed since engine started/average time since engine started/driving range
      • When the following data cannot be received from the combination meter, if there is previous received data, the previous received data is displayed.

        If there is no previous received data, it is not displayed.

        If a communication stop occurs, displays the previous received data from when the communication stop occurred until the system returns to normal.

        • Fuel consumption interval (most recent graph)
      		 The 1 minute fuel consumption graph on the Eco navigation (Eco driving) display is not updated for 1 minute or more.
      • U0073
      • U0100
      • U0155
      • U0293
      (Radio and display receiver assembly)
      Hybrid Energy Flow Display Radio and display receiver assembly Hybrid vehicle control ECU assembly
      • The energy flow is not displayed (the path is displayed).
      • Previous value of the battery level is maintained and displayed.
      		 The flow display of the energy flow screen is cleared.
      • U0073
      • U0293
      (Radio and display receiver assembly)
      Destination Determination
      (Uses the destination information [include steering wheel information] to determine the driver seat or passenger seat and to determine whether the XM function is enabled.)      		 Radio and display receiver assembly Main body ECU (multiplex network body ECU) The destination is determined according to the last received value and the system is operated accordingly (if there is no last received value, the system operates using the default value). The time zone and language selection screens do not match the destination.
      • U0073
      • U0140
      (Radio and display receiver assembly)
      Vehicle Customize Function
      (Allows changing of operation and control conditions for vehicle functions [illumination time, etc.].)      		 Radio and display receiver assembly
      • Main body ECU (multiplex network body ECU)
      • Air conditioning amplifier assembly
      • Certification ECU (smart key ECU assembly)
      • Position control ECU assembly
      		 Processing is performed regardless of remote communication permit/prohibit status from the main body ECU (multiplex network body ECU) when an application that uses remote communication (customize, remote diagnostics) is executed. Nothing -
      3 retries are performed (including the first time).
      • Grays out and prohibits operation of the applicable customization item.
      • The applicable customization item is not displayed.
      • B15F5
      • B15F6
      • B15F7
      (Radio and display receiver assembly)
      • The entrance button is grayed out and cannot be selected when a communication stop occurs, even when customize information is received 1 or more times within 5 seconds after the ignition switch is turned to ON.
      • Customization is performed for the applicable customization item according to diagnostic communication when customize information is not received within 5 seconds after the ignition switch is turned to ON.
      		 The entrance button is grayed out and selection is no longer possible. U0073
      (Radio and display receiver assembly)
      ESPO
      (Displays the level of "Eco" driving.)      		 Radio and display receiver assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • The eco level meter display is turned off when a communication stop occurs. New display data is generated and the function is restarted after the system returns to normal.
      • The idling display is turned off when a communication stop occurs. New display data is generated and the function is restarted after the system returns to normal.
      • Discards the current trip data at communication stop. New trip data is generated and the function is restarted after the system returns to normal.
      • The driving distance diagnostic function is stopped and all output information for that trip is discarded.
      		 Nothing U0073
      (Radio and display receiver assembly)
      Rear View Monitor Control
      (Displays the rear camera view.)      		 Radio and display receiver assembly Hybrid vehicle control ECU assembly Changes to the multi-media display DTC user screen only during camera mode (camera screen release).
      • Changes to the multi-media display user screen only during camera mode (displays camera screen).
      • Cannot switch to the camera screen.
      		 -
      Smart Camera Function
      (Superimposes the estimated course lines of the vehicle, vehicle width extension lines and distance guide lines over the rear camera image on the display when the vehicle is driven in reverse.)      		 Radio and display receiver assembly
      • Television camera assembly
      • Hybrid vehicle control ECU assembly
      • Changes to the multi-media display user screen or multi-media display DTC screen only during camera DTC mode (camera DTC: screen release).
      • Only when camera malfunction DTC C1610 is output: The current DTC (C1610) is cleared.
      • The temporary values for the reactive force setting completion notification and pointer coordinates are sent. The camera screen pattern is treated as a temporary value, and the reaction force setting operates at camera image release.
      • The camera diagnostic screen is displayed.
      • Changes to the multi-media display user screen only during camera mode (displays camera screen).
      • U0073
      • U0265
      (Radio and display receiver assembly)
      Meter-linked Function
      (Changes the display based on the customization information set on the combination meter assembly. Outputs customization information set on own system.)      		 Radio and display receiver assembly Combination meter assembly
      • Language, unit and accent color linking: Maintains the last valid state.
      • GS search: Control is performed as if there is an unconfirmed GS search request.
        • The last set value is maintained.
        • If the set value is displayed, it is grayed out so that the value cannot be changed.
      		 Function linking with combination meter assembly cannot be operated.
      • U0073
      • U0155
      (Radio and display receiver assembly)
      Information Volume Adjustment or Stop Function
      (Receives flags from the driving support ECU to operate the alarm and mutes multi-media audio while the alarm is in operation.)      		 Radio and display receiver assembly Forward recognition camera Cancels audio mute.
      (Commands the normal state [mute cancel] to the command switch unit.)      		 Nothing U0073
      (Radio and display receiver assembly)
      Monitoring Function
      (ECUs for the multiple camera system, etc.)      		 Radio and display receiver assembly Parking assist ECU
      • Only when camera diagnostic mode is active: The multi-media display user or diagnostic screen is changed to.
      • Only when camera malfunction DTC C1610 is output: The current DTC (C1610) is cleared.
      • The temporary values for the reactive force setting completion notification and pointer coordinates are sent. The camera screen pattern is treated as a temporary value, and the reaction force setting operates at camera image release.
      		 The camera diagnostic screen is displayed. U023B
      (Radio and display receiver assembly)
      Hybrid vehicle control ECU assembly Changes to the multi-media display user screen only during camera mode (camera screen release). Changes to the multi-media display user screen only during camera mode (camera screen release). U0073
      (Radio and display receiver assembly)
      Pre-reading Eco Support Radio and display receiver assembly
      • Hybrid vehicle control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Prohibits updating of stored information.
      • Prohibits new data from being stored.
      • Prohibits sending of predictive information.
      		 The user is not proactively notified.
      However, when fail-safe control is not performed, the user is informed that support is currently activated by the highlighted information storage icon on the navigation screen. If a failure occurs, the storage icon is not highlighted.
      • U0073
      • U0129
      • U0293
      (Radio and display receiver assembly)
      Information Management Radio and display receiver assembly Main body ECU (multiplex network body ECU) Control is performed with the input signal set as "0" (default value).
      • The information adjustment function is canceled (it is determined that a load is not generated).
      • No special notifications occur.
      		 U0073
      (Radio and display receiver assembly)
      DSSS
      • Signal information provision service
      • Speed limit information provision service
      • Obstacle information provision service
      		 Radio and display receiver assembly Hybrid vehicle control ECU assembly The following functions that reference the accelerator position do not operate.
      • Red light warning
      • Temporary stop warning
      		 The functions of the following infrastructure cooperative icons do not display.
      • Red light warning
      • Temporary stop warning
      		 U0293
      (Radio and display receiver assembly)
      Pre-reading Free Run
      (Performs free-run control by using the predictive information [free-run permitted or prohibited] sent by the radio and display receiver assembly.)      		 Hybrid vehicle control ECU assembly Hybrid vehicle control ECU assembly
      • Predictive free-run control is stopped when a communication stop occurs.
      • Predictive free-run control is restarted after the system returns to normal.
      		 Nothing U0073
      (Radio and display receiver assembly)
      Pre-reading Free Run
      (Links free-run flags [stopped/other than stopped] sent by the hybrid vehicle control ECU assembly and the current position and stores it in the database.)      		 Radio and display receiver assembly Hybrid vehicle control ECU assembly
      • Free-run flag (stopped/not stopped) storing is stopped when a communication stop occurs. (Goes back 2.0 seconds.)
      • Free-run flag storing is restarted after the system returns to normal.
      		 Nothing U0073
      (Radio and display receiver assembly)
      High-level Driving Support Radio and display receiver assembly Forward recognition camera
      • Information for judging control is set to invalid.
      • Upload information for the advanced driving support is set to invalid.
      		 Nothing U0073
      (Radio and display receiver assembly)
      Power Back Door Auto Opening/Closing Function
      • Automatically opens the back door according to the operation conditions (power source mode, shift position, vehicle speed, lock position) and switch operation (driver seat/wireless).
      • Automatically closes the back door according to the switch operation (driver seat/wireless).
      		 Multiplex network door ECU
      • Main body ECU (multiplex network body ECU)
      • Hybrid vehicle control ECU assembly
      • Certification ECU (smart key ECU assembly)
      • Combination meter assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Bus buffer ECU
      • Automatic opening and closing does not operate.
      • Cannot reverse operation during automatic operation.
      • There is no answer back with the buzzer or hazard warning lights when the automatic back door operation starts.
      • Automatic opening and closing does not operate.
      • The wireless one motion function does not operate.
      • Stopping of operations during automatic opening and closing is impossible.
      • U0101
      • U0122
      • U0142
      • U0155
      • U1117
      (Multiplex network door ECU)
      Wireless One Motion Function
      (If a wireless switch operation is performed with the doors locked, the back door is automatically opened.)      		 Multiplex network door ECU
      • Main body ECU (multiplex network body ECU)
      • Hybrid vehicle control ECU assembly
      • Combination meter assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Bus buffer ECU
      		 The wireless one motion function does not operate. The wireless one motion function does not operate.
      • U0101
      • U0122
      • U0142
      • U0155
      • U1117
      (Multiplex network door ECU)
      Back Door Opener Function
      (Opens the back door according to operation conditions [power source mode, vehicle speed, lock position] and the back door handle switch.)      		 Multiplex network door ECU
      • Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Combination meter assembly
      • Bus buffer ECU
      		 Cannot reverse operation during automatic operation. The back door opener does not operate.
      • U0142
      • U0155
      • U1117
      (Multiplex network door ECU)
      Back Door Closer Function
      (Completely closes the back door when it is ajar.)      		 Multiplex network door ECU
      • Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Combination meter assembly
      • Bus buffer ECU
      		 Cannot reverse operation during automatic operation. Cannot reverse operation during automatic operation.
      • U0142
      • U0155
      • U1117
      (Multiplex network door ECU)
      Courtesy Switch Signal Substitution Output Function
      (Sends a back door/luggage compartment courtesy switch signal through the CAN bus.)      		 Multiplex network door ECU Main body ECU (multiplex network body ECU) Nothing
      • When the back door/luggage compartment door opens, the indicator in the meter indicating the door is open does not illuminate.
      • The main body ECU (multiplex network body ECU) recomposes the courtesy signal and sends it to the combination meter assembly.
      		 -
      Lock Permission Signal Output Function During Power Back Door Closing Operation
      (Sends a power back door closing operation signal to the CAN bus in order to allow a wireless door lock during the power back door closing operation.)      		 Multiplex network door ECU
      • Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      		 Nothing Wireless lock during power back door closing operation is not possible. -
      Combination Meter Customization
      (The buzzer sound pressure, main switch, door fully open position and kick sensor can be customized with the combination meter.)      		 Multiplex network door ECU Combination meter assembly Maintains the last valid state before communication stop. Combination meter customization is not possible. U0155
      (Multiplex network door ECU)
      HV System Start 1
      (Requests immobiliser cancellation by two-way communication with the certification ECU [smart key ECU assembly].)      		 Remote start Certification ECU (smart key ECU assembly) Engine starting control is not possible. Engine cannot start by remote start. -
      HV System Start 2
      (Requests to turn the ACC and IG power supply on and off.)      		 Remote start Certification ECU (smart key ECU assembly) Engine starting control is not possible. Engine cannot start by remote start. -
      Vehicle Registration
      (Requests remote start registration by two-way communication with the certification ECU)      		 Remote start Certification ECU (smart key ECU assembly) Registration of remote start to vehicle not possible Answer-back indicating registration to the vehicle is not completed. -
      Air Conditioning Control
      (Requests auto air conditioning and defogger control.)      		 Remote start Air conditioning amplifier assembly Air conditioning control not possible during remote start control. Does not perform air conditioning control during remote start control. -
      TC DTC Output Service
      (Sends the DTC in response to the DTC output request from the MET while TC = ON is being received.)      		 Combination meter assembly Hybrid vehicle control ECU assembly When reception of the TC signal is lost during the TC service (TC = ON), this is regarded as TC = OFF and the TC service ends. Nothing -
      Timestamp
      (Stores the timestamp information received from the central gateway ECU [network gateway ECU] together with the DTC.)      		 Airbag ECU assembly Central gateway ECU (network gateway ECU) When a fail value is received or communication is determined to be lost, the count switches to the ECU internal unique count and the unique count identification information is set. Nothing -
      Passenger Information Acquisition
      (Obtains passenger information and uses it for the deployment control during a collision.)      		 Airbag ECU assembly Nothing
      • Hazardous devices are not operated.
      • Previous value is maintained.
      		 The SRS warning light illuminates. -
      Event Data Recorder (EDR)
      (Records vehicle speed, accelerator position, shift position and other status when event data recorder recording conditions are established.)      		 Airbag ECU assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Steering sensor
      • "Invalid value" is recorded in the EDR.
      • Previous value is maintained.
      		 Nothing -
      Drive Data Recorder (DDR)
      (Records vehicle speed, accelerator position, shift position and other status when drive data recorder recording conditions are established.)      		 Airbag ECU assembly
      • Central gateway ECU (network gateway ECU)
      • Blind spot monitor sensor LH
      • Clearance warning ECU assembly
      • Forward recognition camera
      • ECM
      • Brake actuator assembly (No. 2 skid control ECU)
      • Hybrid vehicle control ECU assembly
      • Rack and pinion power steering gear assembly
      • Combination meter assembly
      • "Invalid value" is recorded in the DDR.
      • Previous value is maintained.
      		 Nothing -
      Hazard Light Blinking Information
      (Notifies collision status for hazard light blinking during a vehicle collision.)      		 Airbag ECU assembly Combination meter assembly Previous value is maintained. Nothing -
      Passenger Information Sending
      (Transmits passenger information, etc., to the airbag ECU assembly.)      		 Airbag ECU assembly Airbag ECU assembly Nothing The SRS warning light illuminates. -
      Electric Power Steering
      (Calculates the current to be used for the steering assist according to the torque sensor value and vehicle speed, and then operates the motor.)      		 Rack and pinion power steering gear assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Steering sensor
      • Before assist: Control is temporarily performed with the steering assist amount set to when the vehicle speed is 80 km/h (50 mph).
      • The steering wheel center point is not learned if there is a problem with CAN communication.
      • The steering feel becomes worse (compensation control using the steering angle is stopped).
      		 The EPS warning light illuminates.
      • U0100/U0100-87
      • U0129/U0129-87
      • U0293/U0293-87
      (Rack and pinion power steering gear assembly)
      Assist Map Selection
      (Selects the assist map to be used according to the destination, drive system [2WD, AWD] and engine type before shipping from the factory or switching the ECU.)      		 Rack and pinion power steering gear assembly ECM
      • A temporary map is used to perform assist as an assist map cannot be selected according to vehicle specifications.
      • Steering feel may be unusual.
      		 The EPS warning light illuminates. -
      VDIMα System
      (Calculates the current to be used for the steering assist according to the command value from the Brake actuator assembly [No. 2 ski control ECU], and then operates the motor.)      		 Brake actuator assembly (No. 2 skid control ECU) Brake actuator assembly (No. 2 skid control ECU) Control is temporarily performed with the steering assist amount set to when the vehicle speed is 80 km/h (50 mph). The EPS warning light illuminates. U0129/U0129-87
      (Rack and pinion power steering gear assembly)
      Lane Control System
      (Calculates the current to be used for the steering assist according to the torque command from the forward recognition camera, and then operates the motor.)      		 Forward recognition camera Forward recognition camera Lane keeping assist control is stopped. Nothing U023A/U023A-87
      (Rack and pinion power steering gear assembly)
      Gasoline Model/HV Model Switch
      (Switches communication since gasoline model and HV model have the same part number.)      		 Rack and pinion power steering gear assembly Hybrid vehicle control ECU assembly Nothing Nothing U0293/U0293-87
      (Rack and pinion power steering gear assembly)
      Steering Angle Output
      (Detects the steering wheel angle.)
      • Steering sensor
      • Brake actuator assembly (No. 2 skid control ECU)
      		 Brake actuator assembly (No. 2 skid control ECU) Signals are sent every 0.012 seconds. Nothing -
      Combination Switch Signal Output
      (Outputs the combination switch signal via CAN communication.)
      • Steering sensor
      • Combination switch
      		 Main body ECU (multiplex network body ECU)
      • Signals are output via the direct line.
      • The fail-safe position is output.
      • Certain positions do not operate (positions without connections via the direct line).
      • Operations are performed even with the combination meter switch off.
      		 -
      Air Conditioning Control
      • Corrects the engine speed by performing idle up, etc.
      • Adjusts the air temperature, airflow mode and airflow volume according to the engine coolant temperature.
      • Performs the engine coolant temperature map calibration and switches compressor lock judgment value based on engine type.
      		 Air conditioning amplifier assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • While the ignition switch is ON, control is performed using the default engine coolant temperature value (80°C [176°F]).
      • While the ignition switch is ON, control is performed using the default engine type.
      • Control is performed with the default value (not displayed).
      		 Nothing U0293
      (Air conditioning amplifier assembly)
      Compressor Control
      • Determines whether the compressor is locked according to NE.
      • Determines the engine status according to NE.
      		 Air conditioning amplifier assembly ECM While the ignition switch is ON, control is performed using the default value (0 rpm). Nothing U0100
      (Air conditioning amplifier assembly)
      Simple Load Control
      (Limits electrical load control according to the load control level.)      		 Air conditioning amplifier assembly Rack and pinion power steering gear assembly While the ignition switch is ON, previous values are maintained (during a reset, there is no load control). Nothing U0131
      (Air conditioning amplifier assembly)
      Panel Dimming Control
      (Outputs dimming information to the LIN panel according to the display dimming information.)      		 Air conditioning amplifier assembly Main body ECU (multiplex network body ECU) While the ignition switch is ON, previous values are maintained (during a reset, dimming control is performed). Cannot switch between dimming states (after a reset is performed, the system stays in dimming mode) -
      Destination Determination Control
      (Switches the A/C control pattern according to the destination information.)      		 Air conditioning amplifier assembly Main body ECU (multiplex network body ECU) While the ignition switch is ON, previous values are maintained. Nothing U0142
      (Air conditioning amplifier assembly)
      Remote Start Control
      (Controls the air conditioning system operation status according to the remote information.)      		 Air conditioning amplifier assembly Bus buffer ECU While the ignition switch is ON, remote start control is not performed. While the ignition switch is ON, the A/C system does not begin operation according to the remote start information. -
      Ambient Temperature Calibration Control
      (Changes the air conditioning system operation condition and adjusts the ambient temperature display value according to the vehicle speed information)      		 Air conditioning amplifier assembly Combination meter assembly While the ignition switch is ON, control is performed with the default vehicle speed value.
      • The accuracy of the displayed outside temperature becomes less reliable.
      • The system is not able to adjust the air conditioning airflow volume correctly.
      		 U0155
      (Air conditioning amplifier assembly)
      Air Conditioning ECO Control
      (Performs ECO-mode control.)      		 Air conditioning amplifier assembly ECM
      • While the ignition switch is ON, previous values are maintained.
      • After a reset, control is performed normally.
      		 Nothing -
      Key-linked Door Lock
      (Locks and unlocks all doors with a key-linked switch operation.)      		 Main body ECU (multiplex network body ECU) Airbag ECU assembly The driver seat buckle switch signal is set to "Unconfirmed". Even if the driver seat belt is fastened when the ignition switch is ON, the doors can be locked and unlocked using the key-linked switch. U0151
      (Main body ECU [multiplex network body ECU])
      Shift-linked Auto Lock
      (Locks all the doors when the shift lever is moved from P to a position other than P.)      		 Main body ECU (multiplex network body ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      		 The shift position P signal is set to "OFF". The doors do not lock when the shift lever is moved to P with all doors closed, the hybrid system started and the ignition switch turned to ON. U0101
      (Main body ECU [multiplex network body ECU])
      Shift-linked Auto Unlock
      (Unlocks all the doors when the shift lever is moved from a position other than P to P.)      		 Main body ECU (multiplex network body ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      • Combination meter assembly
      • The shift position P signal is set to "OFF".
      • The vehicle speed signal (from the combination meter to other systems) is set to "0".
      		 The doors do not lock when the shift lever is moved to P with all doors closed, the hybrid system started and the ignition switch turned to ON.
      • U0101
      • U0155
      (Main body ECU [multiplex network body ECU])
      Vehicle Speed-linked Auto Lock
      (Locks all doors automatically when it is determined that the vehicle is in motion.)      		 Main body ECU (multiplex network body ECU) Combination meter assembly The vehicle speed signal (from the combination meter to other systems) is set to "0". The doors do not lock when the ignition switch is turned to ON, the engine is running and the vehicle speed is 20 km/h (12 mph) or more. U0155
      (Main body ECU [multiplex network body ECU])
      Manual Unlock Prohibition
      (Prohibits manual unlock when it is determined that the vehicle is parked by door lock operation after getting out and closing the door.)      		 Main body ECU (multiplex network body ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      • The engine speed is set to 0.
      • The driving possible display is set to "not displayed".
      		 The manual unlock prohibited condition is not canceled even with the ignition switch ON (READY).
      • U0100
      • U0293
      (Main body ECU [multiplex network body ECU])
      Auto-lock Switching
      (Switches each auto-lock and auto-unlock function ON/OFF according to user operation.)      		 Main body ECU (multiplex network body ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      		 The shift position P signal is set to "OFF". Shift-linked auto-lock and shift-linked auto-unlock ON/OFF switching is performed using the shift position P signal. Therefore, the ON/OFF switch cannot be operated even if the following procedures are performed.
      1. Turn the ignition switch from off to ON.
      2. Move the shift lever to P.

        Hold down the manual lock (when auto-locked) or unlock (when auto-unlocked) for 3 to 7 seconds.

      3. After answer back is performed, the shift-linked auto-lock/shift-linked auto-unlock will switch between ON and OFF.
      		 U0101
      (Main body ECU [multiplex network body ECU])
      Wireless Door Lock/Unlock/Auto Return Lock/2 Operation Unlock
      • Locks or unlocks doors according to the smart key switch operation.
      • Relocks doors in order to prevent theft when a lock is unintentionally opened due to a wireless key unlock switch being operated incorrectly.
      		 Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Bus buffer ECU
      • Communication is set to the default value.
      • The remote engine start system control signal is set to "Remote engine start system stopped".
      • Wireless lock and unlock functions do not operate.
      • Wireless door lock, unlock and auto relock functions do not operate while the engine is running via remote engine start.
      		 U1117
      (Main body ECU [multiplex network body ECU])
      Smart Door Lock/Unlock
      (Locks or unlocks the doors in response to the smart operations.)      		 Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Bus buffer ECU
      • Communication is set to the default value.
      • The exterior illumination result signal is set to the default value.
      • The remote engine start system control signal is set to "Remote engine start system stopped".
      • Wireless lock and unlock functions do not operate.
      • Smart door lock/unlock does not operate.
      • Smart door lock/unlock/auto relock do not operate while the engine is running via the remote engine start.
      • U0327
      • U1117
      (Main body ECU [multiplex network body ECU])
      Wireless Buzzer
      (Sounds the answer back buzzer at wireless door lock/unlock.)      		 Main body ECU (multiplex network body ECU) Certification ECU (smart key ECU assembly)
      • The wireless buzzer sounding signal is set to the default value.
      • The wireless buzzer volume is set to "Maximum".
      		 No answer back occurs when the wireless door lock and unlock operations are performed. U0327
      (Main body ECU [multiplex network body ECU])
      Smart Back Door Opener
      (Unlatches the trunk after the trunk is unlocked when the trunk open switch is pressed and held in the trunk lock position.)      		 Main body ECU (multiplex network body ECU) Certification ECU (smart key ECU assembly)
      • The trunk and back door opener switch signal is set to "OFF".
      • Communication is set to the default value.
      		 The trunk does not unlatch even when the trunk open switch is held down with the trunk locked. U0327
      (Main body ECU [multiplex network body ECU])
      Back Door Opener
      (Unlatches the trunk according to the open switch being pressed on the instrument panel.)      		 Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • Back door opener control is prohibited.
      • The back door operation start answer back (hazard warning light/buzzer) does not operate.
      • The one motion power back door does not operate.
      		 Does not unlatch the trunk even with the open switch being pressed and held on the instrument panel trunk open switch.
      • U0100
      • U0101
      • U0155
      (Main body ECU [multiplex network body ECU])
      Washer Nozzle Heater
      (Prevents the washer nozzle from freezing due to low temperature.)      		 Main body ECU (multiplex network body ECU) Air conditioning amplifier assembly Ambient temperature data (display) is set to "Unconfirmed". The nozzle heater does not operate even if the ambient temperature is 5°C (41°F) or lower. -
      Seat and Mirror Control
      • Memorizes and recalls memory switch.
      • Memorizes and recalls memory call.
      		 Main body ECU (multiplex network body ECU)
      • Position control ECU assembly
      • Brake actuator assembly (No. 2 skid control ECU)
      • Combination meter assembly
      • Certification ECU (smart key ECU assembly)
      • The seat, tilt and telescopic, etc., are commanded to stop operating.
      • Memory call registration: The operation is stopped due to timing out while waiting for the verification results.
      		 Nothing
      • U0155
      • U0208
      • U0327
      • U1106
      (Main body ECU [multiplex network body ECU])
      Dome Light
      (The dome light illuminates when approaching any door while carrying the smart key.)      		 Main body ECU (multiplex network body ECU) Certification ECU (smart key ECU assembly) The exterior illumination result signal is set to the default value. Outside handle light and dome light do not illuminate when approaching one of the doors while holding the smart key. U0327
      (Main body ECU [multiplex network body ECU])
      Interior Illumination Dimming
      (Dims the instrument panel, foot light and inside handle illumination when starting to drive.)      		 Main body ECU (multiplex network body ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      		 The shift position P signal is set to "OFF". The interior illumination does not dim when moving the shift lever from P to any position except P. U0101
      (Main body ECU [multiplex network body ECU])
      Daytime Running Light
      (Turns on or off the daytime running lights after determining whether the vehicle is driving.)      		 Main body ECU (multiplex network body ECU) Brake actuator assembly (No. 2 skid control ECU) The parking brake lock condition is set to "Condition unknown".
      • The daytime running lights do not illuminate.
      • The daytime running lights do not illuminate even if the parking break is released.
      		 -
      Alarm Function
      (When the alarm is set, this determines unauthorized intrusion according to a change in the door courtesy status and gives a warning.)      		 Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Bus buffer ECU
      • ECM
      • Hybrid vehicle control ECU assembly
      • The ignition switch signal is set to "OFF".
      • The push start key signal is set to "push start system control key unconfirmed".
      • The remote engine start system control signal is set to "Remote engine start system stopped".
      • The engine speed is set to 0.
      • The driving possible display is set to "not displayed".
      • The security indicator does not blink.
      • If the push start switch is pressed before the alarm is set, the alarm is not unset. However, the alarm is set when a certain amount of time elapses after a wireless lock operation is performed.
      • While the warning alarm is sounding, the warning alarm is not canceled even if a smart key registered to the vehicle is certified and the push start switch is pressed.
      • The alarm sounds after using remote start control to start the engine while the alarm is set.
      • During warning alarm sounding, the warning alarm is not canceled even after starting the engine.
      • During warning alarm sounding, the warning alarm is not canceled even with the ignition switch ON (READY).
      • U0100
      • U0120
      • U1117
      (Main body ECU [multiplex network body ECU])
      Forced Door Lock
      (Locks the doors the moment they are unlocked while in warning condition.)      		 Main body ECU (multiplex network body ECU) Bus buffer ECU The remote engine start system control signal is set to "Remote engine start system stopped". If remote start control is performed while the warning alarm is sounding, the doors are not forcibly locked even if the doors are unlocked. U1117
      (Main body ECU [multiplex network body ECU])
      Battery Saver
      (When it is determined that the vehicle is in parked status and is parked, this stops illumination command to the interior lights and power supply and suppresses auxiliary battery depletion.)      		 Main body ECU (multiplex network body ECU) Certification ECU (smart key ECU assembly) The exterior illumination result signal is set to the default value. While the system is protecting the auxiliary battery, carrying a smart key and approaching any door will not cancel auxiliary battery protection and the illumination will not turn on. U0327
      (Main body ECU [multiplex network body ECU])
      Light Automatic Turn-off System
      (Automatically turns lights off when exiting the vehicle with the lights still turned on.)      		 Main body ECU (multiplex network body ECU) Certification ECU (smart key ECU assembly) Communication is set to the default value. When the wireless key lock switch is pressed while waiting for the light off delay time (30 seconds) with all the doors locked, the headlights do not turn off. -
      LED Headlight Warning
      (Notifies the driver when the system detects an open circuit in the LED headlight or a driver malfunction.)      		 Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • ECM
      • Hybrid vehicle control ECU assembly
      • The engine speed is set to 0.
      • The driving possible display is set to "not displayed".
      • The LED headlight indicator illumination condition cannot be sent. (The illumination condition depends on the fail-safe specification of combination meter assembly.)
      • Even if the low beams are on with the ignition switch ON (READY) while an LED malfunction is detected, the LED headlight indicator does not illuminate.
      • U0100
      • U0293
      (Main body ECU [multiplex network body ECU])
      Automatic Display Dimming
      (Determines the time of day (daytime, twilight to nighttime) according to the light sensor signal and interior illumination state as time changes from twilight to nighttime and links with the tail cancel switch state to dim the interior displays and indicators.)      		 Main body ECU (multiplex network body ECU)
      • Steering sensor
      • Radio and display receiver assembly
      • Clearance warning ECU assembly
      • Combination meter assembly
      		 The tail cancel signal is set to "OFF".
      • Does not dim via fail-safe operation of receiving ECU.
      • Dimming is performed even when the tail cancel switch is on.
      		 U0155
      (Main body ECU [multiplex network body ECU])
      Power Window Operation Permission
      (Permits operation of the power windows for 43 seconds after the ignition switch is turned off.)      		 Main body ECU (multiplex network body ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      • The engine speed is set to 0.
      • The driving possible display is set to "not displayed".
      		 Power window operation is not permitted even when the ignition switch is turned to ON (READY).
      • U0100
      • U0293
      (Main body ECU [multiplex network body ECU])
      Wireless-linked Power Window
      (Operates the power windows with wireless key operation.)      		 Main body ECU (multiplex network body ECU) Certification ECU (smart key ECU assembly) Communication is set to the default value. When the ignition switch is turned off, power windows cannot be operated up or down according to wireless key switch operation. -
      Window Open Warning
      (Displays the open window warning on the combination meter and sounds a single buzzer to remind the user to close the windows when exiting the vehicle with the windows open.)      		 Main body ECU (multiplex network body ECU) Combination meter assembly Nothing Even if the ignition switch is turned off and the driver seat door is opened with a window open, the open window warning is not displayed. -
      Sliding Roof Open Warning
      (Displays the sliding roof open warning on the combination meter and sounds a single buzzer to remind the user to close the sliding roof when exiting the vehicle with the sliding roof open.)      		 Main body ECU (multiplex network body ECU) Combination meter assembly Nothing Even if the ignition switch is turned off and the driver seat door is opened with the sliding roof open, the sliding roof open warning is not displayed. -
      Remote Start
      (Remote start control is equivalent to control when the ignition switch is turned off.)      		 Main body ECU (multiplex network body ECU) Bus buffer ECU The remote engine start system control signal is set to "Remote engine start system stopped". When the engine is started by remote operation, all controls are performed as if the ignition switch was turned to ACC or ON. U1117
      (Main body ECU [multiplex network body ECU])
      Auto-retract Mirror
      (Retract/return the outer mirrors in conjunction with the doors locking/unlocking.)      		 Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Bus buffer ECU
      • Communication is set to the default value.
      • The remote engine start system control signal is set to "Remote engine start system stopped".
      • Automatic or manual electric retraction of the outer mirrors does not operate.
      • The outer mirrors are not retracted/returned in conjunction with wireless/smart lock/unlock operations.
      • The outer mirrors are returned simultaneously when the engine is started by remote engine start.
      		 U1117
      (Main body ECU [multiplex network body ECU])
      Headlight Illumination Reminder
      (Reminds the user to illuminate the headlights when the vehicle is driven at night with the headlights turned off.)      		 Main body ECU (multiplex network body ECU) Combination meter assembly
      • The vehicle speed signal (from the combination meter to other systems) is set to "0".
      • The response type is set to unused.
      • The response content is set to unused.
      		 When the vehicle is driven at night with the headlight switch off or in the TAIL position, the light illumination reminder is not displayed on the combination meter multi-information display. U0155
      (Main body ECU [multiplex network body ECU])
      Headlight Turn Off Reminder
      (Proposes to turn the lights off 5 minutes after the ignition switch is turned off when the headlight switch is not on.)      		 Main body ECU (multiplex network body ECU) Combination meter assembly
      • The response type is set to unused.
      • The response content is set to unused.
      • Even if the headlight switch is not on and 5 minutes elapse after the ignition switch is turned off, the reminder to turn off the light is not displayed on the combination meter multi-information display.
      • Even if the steering pad switch return button is pressed within 6 seconds of the reminder display, the reminder does not disappear.
      		 -
      Wiper-linked Window Close
      (Reminds the user to close the windows when the wipers are operating.)      		 Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • Certification ECU (smart key ECU assembly)
      • The response type is set to unused.
      • The response content is set to unused.
      • Communication is set to the default value.
      • Even if a window is opened while the wipers are operating, the reminder to close the windows is not displayed on the multimedia information display.
      • For the contents displayed on the combination meter multi-information display, after the steering pad switch responds, the system does not operate according to the response contents.
      • When the wireless/smart-linked power window UP/DOWN operation is performed, the reminder does not disappear.
      		 -
      Ignition Switch Off-linked Window Close
      (Proposes to close the window when exiting the vehicle.)      		 Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • Certification ECU (smart key ECU assembly)
      • The response type is set to unused.
      • The response content is set to unused.
      • Communication is set to the default value.
      • Even if the ignition switch is turned off with a window open, the reminder to close the window is not displayed on the multimedia information display.
      • For the contents displayed on the combination meter multi-information display, after the steering pad switch responds, the system does not operate according to the response contents.
      • When the wireless/smart-linked power window UP/DOWN operation is performed, the reminder does not disappear.
      		 -
      Power Window Lock Release Notification
      (Reminds the user to release the power window lock switch when the power window lock switch is ON and the power window switch is operated.)      		 Main body ECU (multiplex network body ECU) Combination meter assembly Nothing The power window lock switch release reminder is not displayed on the combination meter multi-information display even when the power window lock switch is on and the power window switch is operated. -
      Door Open-linked Wiper Stop
      (Stops the wipers when a door is opened while the wipers are operating.)      		 Main body ECU (multiplex network body ECU)
      • Brake actuator assembly (No. 2 skid control ECU)
      • ECM
      • Hybrid vehicle control ECU assembly
      • The electric parking brake lock condition is set to "Condition unknown".
      • The shift position P signal is set to "OFF".
      • When the ignition switch is turned to ON, the wipers are operating in AUTO mode and the shift lever is in P, even if the driver seat or passenger seat door is opened, the wipers do not stop.
      • When the ignition switch is turned to ON, the wipers are operating in AUTO mode and the electric parking brake is locked, even if the driver seat or passenger seat door is opened, the wipers do not stop.
      		 U0101
      (Main body ECU [multiplex network body ECU])
      Diagnostic/C-BEST
      (Diagnostic phase 4 communication.)      		 Nothing All ECUs connected to CAN Exits diagnostic mode. Nothing -
      Smart Beam
      (Controls the high beam output automatically when the smart beam sensor detects a preceding or oncoming vehicle.)      		 Main body ECU (multiplex network body ECU) Forward recognition camera System does not operate.
      (The meter indicator blinks.)      		 The meter indicator blinks.
      • U0182
      • U023A
      (Main body ECU [multiplex network body ECU])
      Memory Seat Memory/Recall
      (Stores the seat position by operating the switch on the door. Also, operates each movement location to its stored position.)      		 Main body ECU (multiplex network body ECU)
      • Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • Seat memory does not operate.
      • The seat recall function does not operate.
      • Seat memory does not operate.
      • The seat recall function does not operate.
      		 -
      Memory Call Recall
      (Stores the seat position by operating the switch on the door. Also, operates each movement location to its stored position.)      		 Main body ECU (multiplex network body ECU)
      • Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • Seat memory does not operate.
      • The seat recall function does not operate.
      • Seat memory does not operate.
      • The seat recall function does not operate.
      		 -
      Buzzer Sounding
      (Sounds the buzzer during memory recall, registration, memory call registration cancellation and memory call registration load.)      		 Main body ECU (multiplex network body ECU) Main body ECU (multiplex network body ECU) Sounding stops. Buzzer does not sound -
      Smart Function
      • Performs the smart lock/unlock, smart trunk open/unlatch operations.
      • Performs smart entry and start warnings.
      • Smart illumination (dome light illumination, etc.)
      • Hybrid control system start possible display
      • Main body ECU (multiplex network body ECU)
      • Certification ECU (smart key ECU assembly)
      • Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      		 Performs an entry unlock retry.
      • The smart lock, smart unlock, smart trunk open or smart back door unlatch do not operate.
      • The smart entry and start warnings (the key lock-in prevention warning, the leaving with the key warning, key reminder, etc.) and the key lock-in prevention function do not operate.
      • Smart illumination does not operate.
      • The answer back function repeats a maximum of 3 times when an unlock operation is performed. However, only if main body ECU (multiplex network body ECU) is able to receive a request from certification ECU (smart key ECU assembly).
      • The smart entry and start warnings (the key lock-in prevention warning, leaving with the key warning, key reminder, etc.), the additional key registration display and the key lock-in prevention function do not operate.
      • When the ignition switch is ON, the smart lock/unlock and smart trunk open/smart back door unlatch do not operate.
      • The smart entry and start warnings (the key lock-in prevention warning, the leaving with the key warning, key reminder, etc.), the engine start possible display, the key lock-in prevention function do not operate, and the additional key registration display does not operate.
      • U0142
      • U0155
      (Certification ECU [smart key ECU assembly])
      Smart Function
      • Performs the smart lock/unlock, smart trunk open/unlatch operations.
      • Performs smart entry and start warnings.
      • Smart illumination (dome light illumination, etc.)
      • Hybrid control system start possible display
      		 Certification ECU (smart key ECU assembly)
      • ECM
      • Main body ECU (multiplex network body ECU)
      • Combination meter assembly
      • Previous value is maintained.
      • Performs an entry unlock retry.
      • Incorrect smart warnings are output.
      • The answer back function repeats a maximum of 3 times when an unlock operation is performed. However, only if main body ECU (multiplex network body ECU) is able to receive a request from certification ECU (smart key ECU assembly).
      • The smart entry and start warnings (the key lock-in prevention warning, leaving with the key warning, key reminder, etc.), the additional key registration display and the key lock-in prevention function do not operate.
      • The smart lock, smart unlock, smart trunk open or smart back door unlatch do not operate.
      • Smart illumination does not operate.
      		 U0100
      (Certification ECU [smart key ECU assembly])
      Wireless Function
      (Operates the wireless lock/unlock functions, etc. by remote control.)      		 Main body ECU (multiplex network body ECU) Main body ECU (multiplex network body ECU) Nothing
      • Wireless lock/unlock and trunk functions do not operate.
      • When the ignition switch is ON, wireless lock/unlock/trunk open function operation is possible.
      		 U0142
      (Certification ECU [smart key ECU assembly])
      Remote Engine Start Function
      (Requests for the immobiliser unset permission in response to the data from the remote engine start ECU.)      		 Bus buffer ECU Bus buffer ECU Nothing Remote engine start does not operate. -
      Push Start Switch Lettering Illumination Control
      (Operates the push start switch lettering illumination on/off in conjunction with the panel or door open/closed status, etc.)      		 Certification ECU (smart key ECU assembly) Main body ECU (multiplex network body ECU)
      • If the DC cut fuse is removed and the push start switch letters are illuminated due to the panel illumination, they turn off.
      • Previous value is maintained.
      • If the push start switch letters are not illuminated, they do not illuminate.
      • If the push start switch letters are illuminated due to the panel illumination, they do not turn off.
      • If the DC cut fuse is removed and the push start switch letters are illuminated due to the panel illumination, they turn off.
      		 U0142
      (Certification ECU [smart key ECU assembly])
      Security Indicator Display Function
      (Displays the immobiliser security condition.)      		 Certification ECU (smart key ECU assembly)
      • Main body ECU (multiplex network body ECU)
      • Hybrid vehicle control ECU assembly
      		 Nothing
      • The security condition is unable to be displayed normally (the indicator illuminates during security warning preparation/security warning).
      • The smart entry and start warnings are unable to be operated normally.
        • The stop timing of the engine start operation method display is delayed when starting the engine.
        • The smart key portable device low battery warning does not operate when starting the engine.
      • U0142
      • U0293
      (Certification ECU [smart key ECU assembly])
      Combination Meter
      (Displays the vehicle condition.)      		 Combination meter assembly ECM The MIL (Check engine warning light) illuminates. The MIL (Check engine warning light) illuminates. U0100-87
      (Combination meter assembly)
      Brake actuator assembly (No. 2 skid control ECU)
      • The input signal is controlled as the default value (0 km/h [0 mph]).
      • The ABS warning light illuminates.
      • The VSC OFF indicator light illuminates.
      • The brake warning light (red) illuminates.
      • The speedometer does not operate.
      • The ABS warning light illuminates.
      • The VSC OFF indicator light illuminates.
      • The brake warning light (red) illuminates.
      		 U0129-87
      (Combination meter assembly)
      Rack and pinion power steering gear assembly The EPS warning light illuminates. The EPS warning light illuminates. U0131-87
      (Combination meter assembly)
      Combination Meter
      (Displays the vehicle condition.)      		 Combination meter assembly
      • Main body ECU (multiplex network body ECU)
      • Radio and display receiver assembly
      • Blind spot monitor sensor LH
      • Clearance warning ECU assembly
      • Multiplex network door ECU
      • Certification ECU (smart key ECU assembly)
      • Steering sensor
      		 Maintains the last state before communication stop. Maintains the last state before communication stop.
      • U0127-87
      • U0140-87
      • U0163-87
      • U0182-87
      • U0230-87
      • U0233-87
      • U1106-87
      • U1110-87
      • U1112-87
      • U1133-87
      (Combination meter assembly)
      Combination Meter
      (Displays the vehicle condition.)      		 Combination meter assembly Airbag ECU assembly The SRS warning light illuminates. The SRS warning light illuminates. U0151-87
      (Combination meter assembly)
      Forward recognition camera
      • The PCS warning light illuminates.
      • The lane departure alert indicator light illuminates.
      • The PCS warning light illuminates.
      • The lane departure alert indicator light illuminates.
      		 U023A-87
      (Combination meter assembly)
      Millimeter wave radar sensor assembly The PCS warning light illuminates. The PCS warning light illuminates. U0235-87
      (Combination meter assembly)
      Hybrid vehicle control ECU assembly Displayed as initial value.
      (Held below CHARGE.)      		 HV system indicator does not operate. U0293-87
      (Combination meter assembly)
      Main body ECU (multiplex network body ECU) The tire pressure warning light blinks, and then illuminates. The tire pressure warning light blinks, and then illuminates. U0127-87
      (Combination meter assembly)
      Combination Meter
      (Vehicle display)      		 Combination meter assembly Air conditioning amplifier assembly Ambient temperature displayed as "--". Displays "--" for the ambient temperature. U0164-87
      (Combination meter assembly)
      • Certification ECU (smart key ECU assembly)
      • Bus buffer ECU
      		 Maintains the last state before communication stop. Maintains the last state before communication stop.
      • U0168-87
      • U1117-87
      (Combination meter assembly)
      Front Collision Detection Judgment Occupant detection ECU Airbag ECU assembly Only sensors are used to judge collision detection. Nothing -
      Passenger Judgment Occupant detection ECU
      • Brake actuator assembly (No. 2 skid control ECU)
      • Airbag ECU assembly
      		 Malfunction signals are sent to airbag ECU assembly. The SRS warning light illuminates.
      • U0125
      • U0129
      (Occupant detection ECU)
      Automatic Wheel Position Display
      (Links TPMS transmitter ID with tire positions based on the wheel speed count from the brakes.)      		 Tire pressure warning ECU and receiver Brake actuator assembly (No. 2 skid control ECU)
      • U0129 is output.
      • Auto location control is stopped.
      		 Nothing U0129
      (Tire pressure warning ECU and receiver)
      Vehicle Proximity Notification Function
      (The vehicle proximity notification system outputs a sound [speaker] based on the vehicle speed or other input signal, in order to provide a warning to pedestrians/bicycles when a quiet EV/HEV vehicle draws near.)      		 Vehicle approaching speaker controller Brake actuator assembly (No. 2 skid control ECU) Fixes the vehicle speed as 0 km/h (0 mph).
      (Does not output sound based on vehicle speed.)      		 Nothing U0129
      (Vehicle approaching speaker controller)
      Main body ECU (multiplex network body ECU) Fixes the auto dimmer signal to indeterminacy.
      (Indicator off)      		 Nothing U0140
      (Vehicle approaching speaker controller)
      Hybrid vehicle control ECU assembly Fixes the shift information to shift position P.
      (Does not output sound.)      		 Nothing U0293
      (Vehicle approaching speaker controller)
      Battery Control
      (Calculates battery charge/discharge allowable capacity.)      		 Battery ECU assembly
      • Hybrid vehicle control ECU assembly
      • ECM
      		 Control is performed the same as when the HV battery is not installed to the vehicle.
      • MIL (Check engine warning light) turns on.
      • Master warning light illuminates.
      • U0100-87
      • U0293-87
      • U1150-87
      (Battery ECU assembly)
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