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Home >> Lexus >> 2021 >> IS 350 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostics - Introduction (1 Of 6) >> Meter / Gauge System >> System Description [08/2015 - 10/2016] >> System Description [08/2015 - 10/2016]

System Description [08/2015 - 10/2016]

  1. OUTLINE OF COMBINATION METER ASSEMBLY 
    1. except F SPORT Models
      Fig 1: Outline Of Combination Meter Assembly
      GTY497011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Indication Example *b Tachometer
      *c Speedometer *d Engine Coolant Temperature Receiver Gauge
      *e Fuel Receiver Gauge *f Multi-information Display
      *g Display Area A1 *h Display Area A2
      *i Display Area A3 - -
    2. for F SPORT Models
      Fig 2: TFT Meter Type
      GTY514255Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Movable Meter Ring not Activated *B Movable Meter Ring Activated
      *a Indication Example *b Display Area B1
      *c Display Area B2 *d Display Area B3
      *e Display Area B4 *f Display Area B5
      *g Display Area B6 *h Display Area B7
      *i Display Area B8 *j Display Area B9
      *k Display Area B10 *l Display Area B11
      *m Display Area B12 *n Display Area B13
      *o Display Area B14 *p Display Area B15
      *q Display Area B16 *r Display Area B17
      *s Display Area B18 - -
  2. INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY 
    1. Meter or Gauge
      Item Condition Input/Output Communication Line Signal Component Display Area
      Speedometer
      • Gauge*1
      • Displayed*2
      		 Input CAN Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU) B3
      - Direct line Vehicle speed pulse input signal
      Output CAN Vehicle speed signal (meter to other) Related ECUs
      Speed tolerance A signal
      Speed tolerance B signal
      Direct line Vehicle speed pulse output signal Related ECUs
      Tachometer
      • Gauge*1
      • Displayed*2
      		 Input CAN Engine RPM data signal ECM B7
      Fuel receiver gauge
      • Gauge*1
      • Displayed*2
      		 Input CAN Fuel consumption signal ECM B10, B14
      Engine RPM data signal
      Starter signal
      Shift position P signal
      Shift position R signal
      Shift position N signal
      Shift position D signal
      Mode indicator signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Direct line Fuel level signal
      • Fuel sender gauge assembly
      • No. 2 fuel sender gauge assembly
      Output CAN Fuel gauge state signal Related ECUs
      Fuel gauge initial signal
      Fuel direct data signal
      Fuel initial signal
      Fuel average signal
      Fuel consumption scale signal
      Engine coolant temperature receiver gauge
      • Gauge*1
      • Displayed*2
      		 Input CAN Engine coolant temperature signal ECM B9, B16
      1. *1: except F SPORT Models
      2. *2: for F SPORT Models
    2. Warning or Indicator
      Item Condition Input/Output Communication Line Signal Component
      Master warning light Comes on/Blinks Input CAN/Direct line Each warning signal Related ECUs
      Door open warning light Comes on Input CAN Driver door courtesy switch signal Main body ECU (Multiplex network body ECU)
      Front passenger door courtesy switch signal
      Rear right door courtesy switch signal
      Rear left door courtesy switch signal
      Luggage courtesy switch signal
      Brake warning light Comes on Input CAN Brake warning light control flag signal Brake actuator assembly (Skid control ECU)
      Parking brake switch signal Main body ECU (Multiplex network body ECU)
      Direct line Brake fluid level warning switch signal Brake master cylinder reservoir assembly (Brake fluid level warning switch)
      Vacuum warning switch Vacuum warning switch assembly*13
      Driver or front passenger seat belt warning light Comes on/Blinks Input CAN Driver seat belt buckle switch signal Main body ECU (Multiplex network body ECU)
      Parking brake switch signal
      Shift position P signal ECM
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Front passenger seat occupant detection status signal Airbag sensor assembly
      Front passenger seat belt buckle switch detection status signal
      SRS warning light Comes on Input CAN Airbag warning light control request signal Airbag sensor assembly
      Test mode signal ECM
      Charge warning light Comes on Input CAN Charge light indicator signal ECM
      Direct line Charge L terminal signal Generator assembly
      EPS warning light Comes on/Blinks Input CAN EPS warning light request signal Power steering ECU assembly
      MIL (Check engine warning light) Comes on/Blinks Input CAN MIL request signal ECM
      PCS warning light*5 Comes on/Blinks Input CAN PCS indicator display signal Driving support ECU assembly
      Slip indicator light Comes on/Blinks Input CAN Slip indicator signal Brake actuator assembly (Skid control ECU)
      Slip indicator light and flashing request signal 4WD control ECU*1
      VSC OFF indicator light Comes on Input CAN VSC OFF light signal Brake actuator assembly (Skid control ECU)
      ABS warning light Comes on/Blinks Input CAN ABS warning light control flag signal Brake actuator assembly (Skid control ECU)
      Tire pressure warning light Comes on Input CAN TPMS warning indicator condition 1 signal Main body ECU (Multiplex network body ECU)
      Fuel level warning light Comes on Input Direct line Fuel level signal Fuel sender gauge assembly
      No. 2 fuel sender gauge assembly
      Headlight leveling warning light Comes on Input CAN Head light leveling indicator signal Headlight leveling ECU assembly
      Automatic high beam indicator light*7 Comes on Input CAN Smart Beam indicator signal Main body ECU (Multiplex network body ECU)
      Lane departure alert indicator light*2, *6 Comes on Input CAN Indicator display signal Lane departure warning camera
      Cruise main indicator light*2, *3 Comes on Input CAN Cruise main indicator signal ECM
      Cruise control warning signal
      Cruise main indicator light*2, *4 Comes on Input CAN Following distance time signal Driving support ECU assembly
      Cruise control warning signal
      Cruise operation indicator signal
      Radar cruise main indicator light*2, *4 Comes on Input CAN Following distance time signal Driving support ECU assembly
      Cruise control warning signal
      Cruise operation indicator signal
      High beam indicator light Comes on Input CAN High beam headlight request signal Main body ECU (Multiplex network body ECU)
      Tail indicator light*11 Comes on Input CAN Taillight request signal Main body ECU (Multiplex network body ECU)
      Head indicator light*12 Comes on Input CAN Low beam headlight request signal Main body ECU (Multiplex network body ECU)
      Front fog indicator light*9 Comes on Input CAN Front fog light request signal Main body ECU (Multiplex network body ECU)
      Turn indicator light Blinks Input Direct line LH turn signal switch signal Windshield wiper switch assembly
      RH turn signal switch signal
      Hazard warning switch signal Air conditioner control assembly
      CAN Hazard light activation request signal DCM (Telematics transceiver)*10
      - Output CAN Turn light state signal Related ECUs
      Hazard switch state signal
      Direct line LH turn signal switch signal Each turn signal light
      RH turn signal switch signal
      Hazard warning switch signal
      Eco driving indicator light Comes on Input CAN Ecology light indicator signal ECM
      Cruise SET indicator light*2, *3 Comes on Input CAN Cruise set indicator signal ECM
      Cruise SET indicator light*2, *4 Comes on Input CAN Cruise set indicator signal Driving support ECU assembly
      Clearance sonar indicator light*8 Comes on Input CAN CLSO main switch indicator turn ON signal Clearance warning ECU assembly
      1. *1: w/ Four Wheel Drive Control System
      2. *2: for F SPORT Models
      3. *3: w/o Dynamic Radar Cruise Control System
      4. *4: w/ Dynamic Radar Cruise Control System
      5. *5: w/ Pre-collision System
      6. *6: w/ Lane Departure Alert System
      7. *7: w/ Automatic High Beam System
      8. *8: w/ Intuitive Parking Assist System
      9. *9: w/ Front Fog Light
      10. *10: w/ Manual (SOS) Switch
      11. *11: for Speedometer with Metric Units for Main Scale
      12. *12: for Speedometer with Imperial Units for Main Scale
      13. *13: for 8AR-FTS
    3. Multi-information Display
      Item Condition Input/Output Communication Line Signal Component Display Area
      Opening - - - - - A1, A2, A3, B7
      Ending - - - - - B7
      ODO meter Displayed Input CAN Vehicle speed pulse signal integrated value signal Brake actuator assembly (Skid control ECU) A1, B11, B18
      Vehicle speed (SP1) signal
      Direct line ODO/TRIP change switch signal Trip switch
      - Output CAN Odo meter unit signal Related ECUs
      Odo meter signal
      TRIP meter Displayed Input CAN Vehicle speed pulse signal integrated value signal Brake actuator assembly (Skid control ECU) A1, B11, B18
      Vehicle speed (SP1) signal
      Direct line ODO/TRIP change switch signal Trip switch
      - Output CAN TRIP A signal DCM (Telematics transceiver)
      TRIP B signal
      Engine oil maintenance mileage*20 Displayed Input CAN Engine oil maintenance mileage signal ECM A1, B11, B18
      Engine oil mileage unit signal
      Engine oil maintenance screen inversion demand signal
      Current fuel consumption (Bar type) Displayed Input CAN Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU) A2, B1, B13
      Fuel consumption signal ECM
      Engine RPM data signal
      - Output CAN Drive monitor unit signal 0 Radio receiver assembly
      Drive monitor display signal (Current fuel consumption)
      Average fuel consumption (After reset) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Fuel consumption signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value signal
      Direct line Reset signal Steering pad switch assembly
      - Output CAN Drive monitor unit signal 6 Radio receiver assembly
      Drive monitor display signal (Total average fuel consumption)
      Average fuel consumption (After start) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Fuel consumption signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value signal
      Average fuel consumption (After refuel) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Fuel consumption signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value signal
      - Output CAN Drive monitor display signal (Average fuel consumption after refuel) Radio receiver assembly
      Average speed (After reset) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value signal
      Direct line Reset signal Steering pad switch assembly
      Average speed (After start) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value signal
      - Output CAN Drive monitor unit signal 1 Radio receiver assembly
      Drive monitor display signal (After starting average speed)
      Elapsed time (After reset) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Direct line Reset signal Steering pad switch assembly
      Elapsed time (After start) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      - Output CAN Drive monitor display signal (After starting driving time) Radio receiver assembly
      Distance (Range) Displayed Input CAN Engine type information 1 signal ECM A2, B1, B13
      Engine type information 2 signal
      Engine type information 3 signal
      Engine type information 4 signal
      Engine RPM data signal
      Drivetrain information signal
      Fuel consumption signal
      Vehicle speed pulse signal integrated value signal Brake actuator assembly (Skid control ECU)
      Direct Line Fuel level signal Fuel sender gauge assembly
      No. 2 fuel sender gauge assembly
      - Output CAN Drive monitor unit signal 4 Radio receiver assembly
      Drive monitor display signal (Drivable distance)
      Distance (After start) Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value signal
      Eco driving indicator zone Displayed Input CAN Eco-zone indicator level signal ECM A2, B1, B13
      Other (Blank) - - - - - A2, B1, B13
      Boost pressure meter*2, *18 Displayed Input CAN Gauge pressure of surge tank signal ECM B13
      TPMS unit information 0 signal Main body ECU (Multiplex network body ECU)
      Engine oil temperature receiver gauge*2, *18 Displayed Input CAN Engine oil temperature of engine signal ECM B13
      Engine oil pressure receiver gauge*2, *18 Displayed Input CAN Engine oil pressure of engine signal ECM B13
      TPMS unit information 0 signal Main body ECU (Multiplex network body ECU)
      Tire pressure Displayed Input CAN TPMS FL (ID1) tire pressure information signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      TPMS FR (ID2) tire pressure information signal
      TPMS RL (ID3) tire pressure information signal
      TPMS RR (ID4) tire pressure information signal
      TPMS SP (ID5) tire pressure information signal
      TPMS FL (ID1) tire indicator information 0 signal
      TPMS FR (ID2) tire indicator information 0 signal
      TPMS RL (ID3) tire indicator information 0 signal
      TPMS RR (ID4) tire indicator information 0 signal
      TPMS SP (ID5) tire indicator information 0 signal
      TPMS indicator number information 0 signal
      TPMS unit information 0 signal
      TPMS display request bit 0 signal
      TPMS variation signal
      Drive information tab Displayed - - - - A2, B13
      Navigation tab*9 Displayed Input CAN/Local bus/GVIF*9 Navigation signal Radio receiver assembly A2, B13
      Audio tab Displayed Input CAN/Local bus/GVIF*9 Audio signal Radio receiver assembly A2, B13
      Cruise control operation guide tab*4 Displayed Input CAN - Driving support ECU assembly A2, B13
      Lane departure alert tab*3, *6 Displayed Input CAN - Lane departure warning camera A2, B13
      Message tab Displayed - - - - A2, B13
      Setting tab Displayed - - - - A2, B13
      Shift position Displayed Input CAN Shift position P signal ECM A3, B5
      Shift position R signal
      Shift position N signal
      Shift position D signal
      Shift gear signal
      Mode indicator signal
      Sports mode enable signal
      Transmission oil temperature range signal
      GEAR shift indicator Displayed Input CAN Shift up signal ECM A3, B5
      Shift down signal
      SPORT indicator*15 Displayed Input CAN Integrated sport mode indicator ECM A3, B6
      SPORT S indicator*10 Displayed Input CAN Integrated sport mode signal ECM A3, B6
      SPORT S+ indicator*10 Displayed Input CAN AVS (TEMS) light signal Absorber control ECU A3, B6
      Integrated sport mode signal ECM
      ECO/ECO MODE indicator Displayed Input CAN Eco mode indicator signal ECM A3, B6
      SNOW indicator Displayed Input CAN ECT SNOW indicator signal ECM A3, B2
      Cruise SET indicator light*1, *3 Displayed Input CAN Cruise set indicator signal ECM A3
      Cruise SET indicator light*1, *4 Displayed Input CAN Cruise set indicator signal Driving support ECU assembly A3
      Cruise main indicator light*1, *3 Displayed Input CAN Cruise main indicator signal ECM A3
      Cruise control warning signal
      Cruise main indicator light*1, *4 Displayed Input CAN Following distance time signal Driving support ECU assembly A3
      Cruise control warning signal
      CRUISE operation indicator signal
      Radar cruise main indicator light*1, *4 Displayed Input CAN Following distance time signal Driving support ECU assembly A3
      Cruise control warning signal
      CRUISE operation indicator signal
      Lane departure alert indicator light*1, *6 Displayed Input CAN Indicator display signal Lane departure warning camera A3
      Outside temp Displayed Input CAN Ambient temperature display signal Air conditioning amplifier assembly A3, B8, B17
      0 or 0.5°C below decimal point of ambient temperature display switch signal
      Icy street warning Displayed Input CAN Ambient temperature display signal Air conditioning amplifier assembly A3, B8, B17
      0 or 0.5°C below decimal point of ambient temperature display switch signal
      Phone (Received call) Displayed Input CAN/Local bus/GVIF*9 Phone (Received call) signal Radio receiver assembly A2, B1, B13
      Turn-by-turn navigation*9 Displayed Input CAN/Local bus/GVIF*9 Turn-by-turn signal Radio receiver assembly A2, B1, B13
      Vehicle speed warning indicator*2 Displayed Input CAN Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU) B5
      REV indicator*2 Displayed Input CAN Engine RPM data signal ECM B7
      REV peak*2 Displayed Input CAN Engine RPM data signal ECM B7
      Movable meter ring operation guide*2 Displayed - - - - B11
      Cruise control main switch guide*4 Displayed Input CAN Following distance time signal Driving support ECU assembly A2, B8, B13
      Control vehicle speed signal
      Cruise set indicator signal
      Cruise control warning signal
      Cruise operation indicator signal
      Radar cruise warning signal
      Cruise control set/coast switch signal
      Cruise control resume/accelerate switch signal
      Cruise control cancel switch signal
      Cruise set indicator signal ECM
      Cruise control warning signal
      Cruise main indicator signal
      ACCESSORY Displayed Input CAN Display request of vehicle mode signal Certification ECU (Smart key ECU assembly) A1, B12, B15
      IGNITION ON Displayed Input CAN Display request of vehicle mode signal Certification ECU (Smart key ECU assembly) A1, B12, B15
      AWD Test Mode*11 Displayed Input CAN 4WD warning ON and flashing request signal 4WD control ECU A2, B1, B13
      CDY-2 Displayed Input CAN CDY mode signal ECM A2, B1, B13
      CDY-4 Displayed Input CAN CDY mode signal ECM A2, B1, B13
      VGRS Test Mode*12 Displayed Input CAN Demand signal to meter Front steering control ECU A2, B1, B13
      Adjusting LDA Camera*6 Displayed Input CAN Camera adjustment mode text display signal Lane departure warning camera A2, B1, B13
      Adjusting Front Radar Beam*4 Displayed Input CAN Inspection mode for ACC signal Driving support ECU assembly A2, B1, B13
      BRAKE!*5 Displayed Input CAN PCS warning message signal Driving support ECU assembly A2, B1, B13
      Holding in Engine Switch Will Cause an Emergency Engine Stop. Displayed Input CAN Smart system warning 2 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      To Restart Car, Shift Lever to "N" and Press Engine Switch. Displayed Input CAN Smart system warning 2 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      The Engine Has Stopped. Please Put Shift Lever into "P". Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Shift position P signal
      Shift position N signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      The Engine Has Stopped. Please Stop Your Car in a Safe Place. Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Shift position P signal
      Shift position N signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Dynamic radar cruise control*4 or Lane departure alert*6 warning reminder indicator Displayed Input CAN ACC display ID 1 signal Driving support ECU assembly A2, B1, B13
      ACC display ID 2 signal
      Brake Malfunction Displayed Input CAN Brake warning light control flag signal Brake actuator assembly (Skid control ECU) A2, B1, B13
      The Accelerator is Stuck. Please Depress Brake Pedal to Stop Car. Displayed Input CAN BOS multi-information request signal ECM A2, B1, B13
      Each door ajar (vehicle being driven) Displayed Input CAN Driver door courtesy switch signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Front passenger door courtesy switch signal
      Rear right door courtesy switch signal
      Rear left door courtesy switch signal
      Luggage courtesy switch signal
      Hood courtesy switch signal
      Steering wheel signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Each door ajar (vehicle stopped) Displayed Input CAN Driver door courtesy switch signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Front passenger door courtesy switch signal
      Rear right door courtesy switch signal
      Rear left door courtesy switch signal
      Luggage courtesy switch signal
      Hood courtesy switch signal
      Steering wheel signal
      Clearance sonar detection (image display)*8 Displayed Input CAN Clearance sonar main switch indicator turn ON signal Clearance warning ECU assembly A2, B1, B13
      Cluster indicator turn ON request signal
      Front center area information signal
      Front left area information signal
      Front right area information signal
      Rear center area information signal
      Rear left area information signal
      Rear right area information signal
      Sensor diag request signal
      Check Park Sonar System*8 Displayed Input CAN Sensor diag request signal Clearance warning ECU assembly A2, B1, B13
      Clean Park Sonar*8 Displayed Input CAN Sensor diag request signal Clearance warning ECU assembly A2, B1, B13
      Auto Power OFF to Conserve Battery Displayed Input CAN Smart system warning 2 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      Shift to P position when parked Displayed Input CAN Smart system warning 2 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      EPS Failure. Steering Wheel Harder to Turn. Displayed Input CAN Multi-information request signal Power steering ECU assembly A2, B1, B13
      Voltage Abnormality. Steering Wheel Harder to Turn. Displayed Input CAN Multi-information request signal Power steering ECU assembly A2, B1, B13
      Check Power Steering System Displayed Input CAN Multi-information request signal Power steering ECU assembly A2, B1, B13
      Release Parking Brake Displayed Input CAN Parking brake switch signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Key not detected Displayed Input CAN Smart system warning 1 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      1st Gear not available due to slippery road surface Displayed Input CAN Reject flag of range for low gear signal ECM A2, B1, B13
      Check SRS Airbag System Displayed Input CAN SRS warning light control request signal Airbag sensor assembly A2, B1, B13
      Check ABS Displayed Input CAN ABS warning light Control Flag signal Brake actuator assembly (Skid control ECU) A2, B1, B13
      Engine Coolant High Temperature Displayed Input CAN Engine coolant temperature signal ECM A2, B1, B13
      Clean Radar Sensor*4 Displayed Input CAN Cruise control warning signal Driving support ECU assembly A2, B1, B13
      Detection of dirt adhesion on sensor signal
      Cruise Control not available*4 Displayed Input CAN Cruise control warning signal Driving support ECU assembly A2, B1, B13
      Detection of dirt adhesion on sensor signal
      Bad weather detection signal
      LDA not available*6 Displayed Input CAN Temporary unusable condition text display signal Lane departure warning camera A2, B1, B13
      Check Access System with Elec. Key Displayed Input CAN Smart system warning 1 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      BSM not available*13 Displayed Input CAN BSD module status signal Blind spot monitor sensor LH A2, B1, B13
      Check Cruise Control System*3 Displayed Input CAN Cruise control warning signal ECM A2, B1, B13
      Check Cruise Control System*4 Displayed Input CAN Cruise control warning signal Driving support ECU assembly A2, B1, B13
      Stop holding signal
      Check LDA System*6 Displayed Input CAN Fault condition text display signal Lane departure warning camera A2, B1, B13
      Check PCS System*5 Displayed Input CAN PCS fault condition text display signal Driving support ECU assembly A2, B1, B13
      Check BSM System*13 Displayed Input CAN BSD module status signal Blind spot monitor sensor LH A2, B1, B13
      Engine Oil Pressure Low Displayed Input CAN Engine RPM data signal ECM A2, B1, B13
      Direct line Engine oil pressure signal Engine oil pressure switch assembly
      Transmission Fluid High Temperature Displayed Input CAN AT oil temperature warning signal ECM A2, B1, B13
      Check AWD System*11 Displayed Input CAN 4WD warning ON and flashing request signal 4WD control ECU A2, B1, B13
      Check VGRS System*12 Displayed Input CAN Demand signal to meter Front steering control ECU A2, B1, B13
      Starter signal ECM
      LDA System is Unavailable Below 50 km/h.*6 Displayed Input CAN Speed condition failure text display signal Lane departure warning camera A2, B1, B13
      LDA System is Unavailable Below 32 MPH.*6 Displayed Input CAN Speed condition failure text display signal Lane departure warning camera A2, B1, B13
      LDA System is Unavailable at this Speed.*6 Displayed Input CAN Speed condition failure text display signal Lane departure warning camera A2, B1, B13
      Dynamic radar cruise control*4 or Lane departure alert*6 indicator Displayed Input CAN ACC display ID 1 signal Driving support ECU assembly A2, B1, B13
      ACC display ID 2 signal
      White line symbol left side signal Lane departure warning camera
      White line symbol right side signal
      Engine Stopped, Steering Wheel Harder to Turn. Displayed Input CAN Multi-information request signal Power steering ECU assembly A2, B1, B13
      Turn Power OFF Displayed Input CAN Smart system warning 2 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      Key detected in vehicle Displayed Input CAN Smart system warning 3 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      Turn Light Off Displayed Input CAN Driver door courtesy switch signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Lighting system state signal
      Moon Roof opened*14 Displayed Input CAN Sliding roof open warning request signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Window opened Displayed Input CAN Power window open warning request signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Window / Moon Roof opened*14 Displayed Input CAN Power window open warning request signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Sliding roof open warning request signal
      Depress brake pedal, touch engine switch with key Displayed Input CAN Smart system warning 1 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      Depress brake pedal and push engine switch to start Displayed Input CAN Smart system warning 3 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      The Accelerator is Stuck. Please Check the Accelerator. Displayed Input CAN BOS multi-information request signal ECM A2, B1, B13
      Steering Lock active Displayed Input CAN Smart system warning 1 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      Brake Override System Failure. Displayed Input CAN BOS multi-information request signal ECM A2, B1, B13
      Key Battery Low Displayed Input CAN Smart system warning 1 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      Engine Oil Level Low Displayed Input CAN Engine coolant temperature signal ECM A2, B1, B13
      Direct line Engine oil level signal Engine oil level sensor
      Check Headlight System Displayed Input CAN Smart beam indicator signal*7 Main body ECU (Multiplex network body ECU) A2, B1, B13
      LED headlight indicator signal*19
      Headlight leveling indicator signal Headlight leveling ECU assembly
      Starter signal ECM
      Both Accelerator and Brake Pedals Are Depressed. Displayed Input CAN BOS multi-information request signal ECM A2, B1, B13
      Tire pressure indicator Displayed Input CAN TPMS display request bit 0 signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Check VGRS System*12 Displayed Input CAN Demand signal to meter Front steering control ECU A2, B1, B13
      Washer Fluid Low Displayed Input Direct line Washer fluid level signal Level warning switch assembly A2, B1, B13
      Fuel Low Displayed Input Direct line Fuel level signal
      • Fuel sender gauge assembly
      • No. 2 fuel sender gauge assembly
      		 A2, B1, B13
      TRAC OFF Displayed Input CAN TRAC OFF light signal Brake actuator assembly (Skid control ECU) A2, B1, B13
      Starter signal ECM
      Oil Maintenance Required Soon*17 Displayed Input CAN Engine oil change indicator 2 signal ECM A2, B1, B13
      - Output CAN Engine oil monitoring system reset signal 2 ECM
      Maintenance required soon*16 Displayed Input CAN Oil change indicator signal ECM A2, B1, B13
      Starter signal
      Oil Maintenance Required Visit Your Dealer*17 Displayed Input CAN Engine oil change indicator 2 signal ECM A2, B1, B13
      - Output CAN Engine oil monitoring system reset signal 2 ECM
      Maintenance required*16 Displayed Input CAN Oil change indicator signal ECM A2, B1, B13
      Starter signal
      Turn on the high beam to activate AHB System*7 Displayed Input CAN Smart beam advice signal Main body ECU (Multiplex network body ECU) A2, B1, B13
      Depress brake pedal and push engine switch to start Displayed Input CAN Smart system warning 1 signal Certification ECU (Smart key ECU assembly) A2, B1, B13
      VSC System Switched Off. Pre-Collision Brake System Disengaged.*5 Displayed Input CAN PB temporary unusable condition text display signal Driving support ECU assembly A2, B1, B13
      VSC OFF light signal Brake actuator assembly (Skid control ECU)
      PCS temporarily not available*5 Displayed Input CAN PCS temporary unusable condition text display signal Driving support ECU assembly A2, B1, B13
      Operation of Electrical Items Restricted. Displayed Input CAN A/C load limitation warning signal Air conditioning amplifier assembly A2, B1, B13
      1. *1: except F SPORT Models
      2. *2: for F SPORT Models
      3. *3: w/o Dynamic Radar Cruise Control System
      4. *4: w/ Dynamic Radar Cruise Control System
      5. *5: w/ Pre-collision System
      6. *6: w/ Lane Departure Alert System
      7. *7: w/ Automatic High Beam System
      8. *8: w/ Intuitive Parking Assist System
      9. *9: w/ Navigation System
      10. *10: w/ Adaptive Variable Suspension System
      11. *11: w/ Four Wheel Drive Control System
      12. *12: w/ Variable Gear Ratio Steering System
      13. *13: w/ Blind Spot Monitor System
      14. *14: w/ Sliding Roof System
      15. *15: w/o Adaptive Variable Suspension System
      16. *16: w/ Scheduled Maintenance Required Reminder
      17. *17: w/ Oil Maintenance Required Reminder
      18. *18: for 8AR-FTS (for LED Headlight)
      19. *19: for LED Headlight
    4. Buzzer
      Item Condition Input/Output Communication Line Signal Component
      Restart while driving notification buzzer Sounds continuously Input CAN Smart system warning 2 signal Certification ECU (Smart key ECU assembly)
      Engine switch operation while driving warning buzzer Sounds intermittently Input CAN SW operation buzzer intermittent request signal Certification ECU (Smart key ECU assembly)
      Seat belt warning (for driver side) buzzer Sounds intermittently (Maximum 5 times) Input CAN Driver side seat belt switch signal Main body ECU (Multiplex network body ECU)
      Sounds once/Sounds intermittently Input CAN Driver seat buckle switch signal Main body ECU (Multiplex network body ECU)
      Parking brake switch signal
      Shift position P signal ECM
      Shift position R signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Seat belt warning (for front passenger side) buzzer Sounds once/Sounds intermittently Input CAN Front passenger seat occupant detection status signal Airbag sensor assembly
      Front passenger seat belt buckle switch status signal
      Parking brake switch signal Main body ECU (Multiplex network body ECU)
      Shift position P signal ECM
      Shift position R signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle roll-away notification (STEP 1) buzzer Sounds continuously Input CAN Engine RPM data signal ECM
      Shift position P signal
      Shift position N signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Vehicle roll-away notification (STEP 2) buzzer Sounds continuously Input CAN Engine RPM data signal ECM
      Shift position P signal
      Shift position N signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Brake fluid low warning buzzer Sounds intermittently Input CAN Vehicle speed (SP1)signal Brake actuator assembly (Skid control ECU)
      Direct Line Brake fluid level warning switch signal Brake master cylinder reservoir assembly (Brake fluid level warning switch)
      Engine oil pressure warning buzzer Sounds intermittently Input CAN Engine RPM data signal ECM
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Direct line Engine oil pressure signal Engine oil pressure switch assembly
      EPS warning buzzer Sounds once Input CAN Demand buzzer to meter signal Power steering ECU assembly
      Engine coolant temperature warning buzzer Sounds once Input CAN Engine coolant temperature signal ECM
      Smart key warning buzzer Sounds intermittently Input CAN Meter buzzer intermittent request signal Certification ECU (Smart key ECU assembly)
      Sounds intermittently (Maximum 9 times) Input CAN Meter buzzer intermittent request (0.7 sec. cycle) signal
      Sounds continuously Input CAN Meter buzzer continuation request signal
      Sounds once Input CAN Meter buzzer single-shot request signal
      Multi-information display warning buzzer Sounds once Input CAN Multi-information display warning signal Related ECUs
      Direct line
      Radar cruise control low speed cancel buzzer* Sounds twice Input CAN Low speed cancel buzzer request signal Driving support ECU assembly
      Immobiliser key identification completion buzzer Sounds once Input CAN Immobiliser key identification completion signal Certification ECU (Smart key ECU assembly)
      Driving with parking brake unreleased warning buzzer Sounds intermittently Input CAN Parking brake switch signal Main body ECU (Multiplex network body ECU)
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Driving with door ajar warning buzzer Sounds intermittently Input CAN Driver door courtesy switch signal Main body ECU (Multiplex network body ECU)
      Front passenger door courtesy switch signal
      Rear right door courtesy switch signal
      Rear left door courtesy switch signal
      Luggage courtesy switch signal
      Hood courtesy switch signal
      Vehicle speed (SP1) signal Brake actuator assembly (Skid control ECU)
      Sports shift reject buzzer Sounds twice Input CAN Reject buzzer signal ECM
      Light reminder buzzer Sounds continuously Input CAN Lighting system state signal Main body ECU (Multiplex network body ECU)
      Driver door courtesy switch signal
      Turn signal flasher buzzer Sounds intermittently Input Direct line LH turn signal switch signal Windshield wiper switch assembly
      RH turn signal switch signal
      Hazard warning switch signal Air conditioning control assembly
      1. *: w/ Dynamic Radar Cruise Control System
    5. Others
      Item Condition Input/Output Communication Line Signal Component
      Meter illumination Illumination level Input CAN Illuminance data signal Main body ECU (Multiplex network body ECU)
      Auto dimmer signal
      Taillight request signal
      Parked condition signal
      Panel lighting request signal
      Direct line Illumination level signal Trip switch
      - Output CAN Rheostat duty signal Related ECUs
      Lounge illumination off signal
      Tail cancel signal
      Direct line Illumination level output signal
  3. MULTI-INFORMATION DISPLAY FLOW CHART 
    1. Multi-information display (except F SPORT models) flow chart
      Fig 3: Multi-Information Display Flow Chart
      GTY621940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Conditions are not met *b Conditions are met
      *c If there are multiple display requests, items will be displayed in sequence *d Item or display is selected by operating the steering pad switch
      *e ODO display is displayed for a certain period of time after the engine switch is turned off *f After engine switch is turned on (IG)
    2. Multi-information display (for F SPORT models) flow chart
      Fig 4: Multi-Information Display (For F Sport Models) Flow Chart (1 of 2)
      GTY630274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 5: Multi-Information Display (For F Sport Models) Flow Chart (2 of 2)
      GTY631163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Conditions are not met *b Conditions are met
      *c If there are multiple display requests, items will be displayed in sequence *d Item or display is selected by operating the steering pad switch
      *e Operating the TOP switch *f ODO display is displayed for a certain period of time after the engine switch is turned off
      *g Movable meter ring activated *h After engine switch is turned on (IG)
  4. DESCRIPTION OF WARNING DISPLAYS 
    Priority System name/(Vehicle Function) Master Warning Light
    ◦: Comes on
    •: Blinks    		 Buzzer (*1) Display Level
    1 Four wheel drive control system - - AWD Test Mode Caution
    (Chassis dynamometer mode) - - CDY-2 Caution
    - - CDY-4 Caution
    Variable gear ratio steering system - - VGRS Test Mode Caution
    Lane departure alert system - - Adjusting LDA Camera Caution
    Dynamic radar cruise control system - - Adjusting Front Radar Beam Caution
    Pre-collision system - - BRAKE! Warning
    Smart access system with push-button start • * Holding in Engine Switch Will Cause an Emergency Engine Stop. Warning
    • * To Restart Car, Shift Lever to "N" and Press Engine Switch. Caution
    • * The Engine Has Stopped. Please Put Shift Lever into "P". Caution
    (Vehicle roll-away warning) • * The Engine Has Stopped. Please Stop Your Car in a Safe Place. Caution
    • * To Restart Car, Shift Lever to "N" and Press Engine Switch. Caution
    2 Dynamic radar cruise control system or Lane departure alert system - - Dynamic radar cruise control or Lane departure alert warning reminder indicator -
    Vehicle stability control system • ◦ Brake Malfunction Warning
    Brake override system • ◦ The Accelerator is Stuck. Please Depress Brake Pedal to Stop Car. Caution
    3 (Each door warning (vehicle being driven)) • * Each door ajar (vehicle being driven) Caution
    (Each door warning (vehicle being stopped)) - - Each door ajar (vehicle stopped) Caution
    Intuitive parking assist system - - Clearance sonar detection (image display) Caution
    ◦ - Check Park Sonar System Caution
    ◦ - Clean Park Sonar Caution
    4 Smart access system with push-button start - * Auto Power OFF to Conserve Battery Caution
    5 Smart access system with push-button start • ◦ Shift to P position when parked Caution
    Power steering system ◦ * EPS Failure. Steering Wheel Harder to Turn. Caution
    ◦ * Voltage Abnormality. Steering Wheel Harder to Turn. Caution
    ◦ * Check Power Steering System Caution
    (Parking brake) • * Release Parking Brake Caution
    Smart access system with push-button start • * Key not detected Caution
    6 Automatic transmission system ◦ * 1st Gear not available due to slippery road surface Caution
    7 Airbag system ◦ ◦ Check SRS Airbag System Caution
    Vehicle stability control system - ◦ Check ABS Caution
    SFI system ◦ * Engine Coolant High Temperature Caution
    Dynamic radar cruise control system ◦ ◦ Clean Radar Sensor Caution
    ◦ ◦ Cruise Control not available Caution
    Lane departure alert system ◦ ◦ LDA not available Caution
    Smart access system with push-button start • * Check Access System with Elec. Key Caution
    Blind spot monitor system ◦ ◦ BSM not available Caution
    Dynamic radar cruise control system, Cruise control system ◦ ◦ Check Cruise Control System Caution
    Lane departure alert system ◦ ◦ Check LDA System Caution
    Pre-collision system ◦ ◦ Check PCS System Caution
    Blind spot monitor system ◦ ◦ Check BSM System Caution
    (Engine oil pressure switch assembly) ◦ * Engine Oil Pressure Low Caution
    Automatic transmission system ◦ ◦ Transmission Fluid High Temperature Caution
    Four wheel drive control system ◦ ◦ Check AWD System Caution
    Variable gear ratio steering system ◦ ◦ Check VGRS System Caution
    Lane departure alert system - - LDA System is Unavailable Below 50 km/h. Advisory
    - - LDA System is Unavailable Below 32 MPH. Advisory
    - - LDA System is Unavailable at this Speed. Advisory
    8 Dynamic radar cruise control system or Lane departure alert system - - Dynamic radar cruise control or Lane departure alert indicator -
    Power steering system ◦ * Engine Stopped, Steering Wheel Harder to Turn. Caution
    Smart access system with push-button start • * Turn Power OFF Caution
    • * Key detected in vehicle Caution
    Lighting system • * Turn Light Off Caution
    Sliding roof system • ◦ Moon Roof opened Caution
    Power window control system • ◦ Window opened Caution
    Power window control system or Sliding roof system • ◦ Window / Moon Roof opened Caution
    Smart access system with push-button start • * Depress brake pedal, touch engine switch with key Caution
    - -/* Depress brake pedal and push engine switch to start Caution
    Brake override system • ◦ The Accelerator is Stuck. Please Check the Accelerator. Caution
    Steering lock system • * Steering Lock active Caution
    9 Brake override system ◦ ◦ Brake Override System Failure. Caution
    10 Smart access system with push-button start ◦ * Key Battery Low Caution
    (Engine oil level sensor) ◦ ◦ Engine Oil Level Low Caution
    Lighting system, Automatic headlight beam level control system or Automatic high beam system ◦ ◦ Check Headlight System Caution
    Brake override system • - Both Accelerator and Brake Pedals Are Depressed. Advisory
    Tire pressure warning system - - Tire pressure indicator Advisory
    11 Variable gear ratio steering system ◦ - Check VGRS System Caution
    (Level warning switch assembly) - - Washer Fluid Low Advisory
    (Fuel sender gauge assembly)
    (No. 2 fuel sender gauge assembly)    		 - - Fuel Low Advisory
    Vehicle stability control system - - TRAC OFF Caution
    (Oil maintenance) - - Oil Maintenance Required Soon Advisory
    (Scheduled maintenance) ◦ - Maintenance required soon Advisory
    (Oil maintenance) - - Oil Maintenance Required Visit Your Dealer Advisory
    (Scheduled maintenance) ◦ - Maintenance required Advisory
    Automatic high beam system - - Turn on the high beam to activate AHB System Advisory
    Smart access system with push-button start - - Depress brake pedal and push engine switch to start Caution
    Pre-collision system - - VSC System Switched Off. Pre-Collision Brake System Disengaged. Advisory
    - - PCS temporarily not available Advisory
    Air conditioning system - - Operation of Electrical Items Restricted. Advisory
    • *: An exclusive buzzer sounds depending on condition
    • *1: Buzzers that are linked with the master warning light
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