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System Description [08/2016 - ]

  1. OUTLINE OF COMBINATION METER ASSEMBLY 
    GTY489977Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Indication Example *b Tachometer
    *c Engine Coolant Temperature Receiver Gauge *d Multi-information Display (Color Type)
    *e Speedometer *f Fuel Receiver Gauge
    *g Display Area A *h Display Area B
    *i Display Area C *j Display Area D
  2. INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY 
    1. Meter or Gauge
      Item Condition Input/Output CAN/Direct line Signal Component
      Speedometer Gauge Input CAN Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      - Output CAN Vehicle speed (meter to other) Related ECUs
      Speed tolerance A
      • ECM
      • Pre-collision city sensor*2
      Speed tolerance B
      Direct line Vehicle speed pulse Related ECUs
      Tachometer Gauge Input CAN Engine RPM data ECM
      Fuel receiver gauge Gauge Input CAN Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Starter ECM
      Shift position P*1
      Shift position N*1
      Parking brake switch Main body ECU (Multiplex network body ECU)
      Direct line Fuel level Fuel sender gauge assembly
      Engine coolant temperature receiver gauge Gauge Input CAN Engine coolant temperature ECM
      • *1: for CVT
      • *2: w/ Pre-collision System
    2. Warning or Indicator
      Item Condition Input/Output CAN/Direct line Signal Component
      MIL (Check engine warning light) Comes on Input Direct line MIL (Check engine warning light) ECM
      Eco driving indicator light*3 Comes on Input CAN Ecology light indicator ECM
      SRS warning light Comes on Input CAN SRS warning light control request Airbag sensor assembly
      Test mode ECM
      EPS warning light Comes on/Blinks Input CAN Demand signal to meter Power steering ECU assembly
      Brake warning light Comes on Input CAN Brake warning light control flag Brake actuator assembly (Skid control ECU)
      Parking brake switch Main body ECU (Multiplex network body ECU)
      Direct line Brake fluid level warning switch Brake master cylinder reservoir assembly (Brake fluid level warning switch)
      Vacuum switch Vacuum switch
      Driver or front passenger seat belt warning light Comes on/Blinks Input CAN Driver seat belt buckle switch Main body ECU (Multiplex network body ECU)
      Parking brake switch
      Shift position P ECM*3
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Front passenger seat belt buckle switch Airbag sensor assembly
      Front passenger seat occupant detection status
      VSC OFF indicator light Comes on Input CAN VSC OFF light Brake actuator assembly (Skid control ECU)
      Slip indicator light Comes on/Blinks Input CAN Slip indicator Brake actuator assembly (Skid control ECU)
      VSC control existence flag
      ABS warning light Comes on/Blinks Input CAN ABS warning light control Brake actuator assembly (Skid control ECU)
      Fuel level warning light Comes on Input Direct line Fuel level Fuel sender gauge assembly
      High beam indicator light Comes on Input Direct line High beam DIMMER relay
      Turn indicator light Blinks Input CAN Flasher request Main body ECU (Multiplex network body ECU)
      Direct line LH turn signal switch Headlight dimmer switch assembly
      RH turn signal switch
      Turn signal switch position
      Hazard signal warning switch Hazard warning signal switch assembly
      - Output CAN Turn signal switch state Related ECUs
      Hazard switch state
      Direct line LH turn indicator output Each turn signal light
      RH turn indicator output
      Master warning light Comes on/Blinks Input CAN Each warning Related ECUs
      Direct line
      Tail indicator light*1 Comes on Input CAN Taillight request signal Main body ECU (Multiplex network body ECU)
      Head indicator light*2 Comes on Input CAN Headlight request signal Main body ECU (Multiplex network body ECU)
      Tire pressure warning light Comes on Input CAN Tire pressure warning indication condition 1 Main body ECU (Multiplex network body ECU)
      Automatic high beam indicator light*4 Comes on Input CAN Automatic high beam indicator Main body ECU (Multiplex network body ECU)
      PCS warning light*4 Comes on/Blinks Input CAN PCS indicator display Pre-collision city sensor
      • *1: for Speedometer with Metric Units for Main Scale
      • *2: for Speedometer with Imperial Units for Main Scale
      • *3: for CVT
      • *4: w/ Pre-collision System
    3. Multi-information Display
      Item Condition Input/Output CAN/Direct line Signal Component Display Area
      Opening Displayed - - - - All
      Odometer Displayed Input CAN Vehicle speed pulse signal integrated value Brake actuator assembly (Skid control ECU) D
      Vehicle speed (SP1)
      Direct line ODO/TRIP change switch Steering pad switch assembly
      - Output CAN Odometer unit Related ECUs
      Odometer
      TRIP A/TRIP B meter Displayed Input CAN Vehicle speed pulse signal integrated value Brake actuator assembly (Skid control ECU) D
      Vehicle speed (SP1)
      Direct line ODO/TRIP change switch Steering pad switch assembly
      Reset switch
      Current fuel consumption (Bar type) Displayed Input CAN Vehicle speed (SP1) Brake actuator assembly (Skid control ECU) C
      Vehicle speed pulse signal integrated value
      Fuel consumption ECM
      Engine RPM data
      Average fuel consumption (After reset) Displayed Input CAN Engine RPM data ECM C
      Fuel consumption
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value
      Direct line Reset Steering pad switch assembly
      Average fuel consumption (After start) Displayed Input CAN Engine RPM data ECM C
      Fuel consumption
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value
      Average fuel consumption (After refuel) Displayed Input CAN Engine RPM data ECM C
      Fuel consumption
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value
      Average speed (After reset) Displayed Input CAN Engine RPM data ECM C
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value
      Direct line Reset Steering pad switch assembly
      Average speed (After start) Displayed Input CAN Engine RPM data ECM C
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value
      Elapsed time (After reset) Displayed Input CAN Engine RPM data ECM C
      Direct line Reset Steering pad switch assembly
      Elapsed time (After start) Displayed Input CAN Engine RPM data ECM C
      Drivable distance Displayed Input CAN Engine type information 1, 2, 3, 4 ECM C
      Engine RPM data
      Fuel consumption
      Vehicle speed pulse signal integrated value Brake actuator assembly (Skid control ECU)
      Direct line Fuel level Fuel sender gauge assembly
      Driving distance (After start) Displayed Input CAN Engine RPM data ECM C
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Vehicle speed pulse signal integrated value
      Eco driving indicator zone*3 Displayed Input CAN Eco-zone indicator level ECM C
      Other (Blank) Displayed - - - - C
      Drive information tab Displayed - - - - B
      Lane departure alert tab*4 Displayed Input CAN LDW existence flag Pre-collision city sensor B
      Message tab Displayed - - - - B
      Setting tab Displayed - - - - B
      Shift position*3 Displayed Input CAN Shift position P ECM A
      Shift position R
      Shift position N
      Shift position D
      Shift gear
      Mode indicator
      Sports mode enable
      Transmission oil temperature range
      Cruise SET indicator light Displayed Input CAN Cruise set indicator ECM A
      Cruise control main indicator light Displayed Input CAN Cruise main indicator ECM A
      Cruise control warning
      Sport indicator light Displayed Input CAN Power mode ECM A
      Lane departure alert indicator light*4 Displayed Input CAN Indicator display Pre-collision city sensor A
      Outside temperature Displayed Input CAN Vehicle speed pulse signal calculated value Brake actuator assembly (Skid control ECU) A
      Vehicle speed (SP1)
      Direct line Outside temperature Thermistor assembly
      - Output CAN Outside temperature display Air conditioning amplifier assembly
      Outside temperature sensor
      Icy street warning light Displayed Input Direct line Outside temperature Thermistor assembly A
      ADJUSTING FRONT CAMERA*4 Displayed Input CAN Camera adjustment mode text display Pre-collision city sensor C
      BRAKE!*4 Displayed Input CAN PCS warning message Pre-collision city sensor C
      Lane departure alert warning reminder indicator (image display)*4 Displayed Input CAN Left side lane line Pre-collision city sensor C
      Right side lane line
      Each door open (vehicle being driven) Displayed Input CAN Driver door courtesy switch Main body ECU (Multiplex network body ECU) C
      Front passenger door courtesy switch
      Rear right door courtesy switch
      Rear left door courtesy switch
      Back door courtesy switch
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Each door open (vehicle stopped, ignition switch ON) Displayed Input CAN Driver door courtesy switch Main body ECU (Multiplex network body ECU) C
      Front passenger door courtesy switch
      Rear right door courtesy switch
      Rear left door courtesy switch
      Back door courtesy switch
      Release Parking Brake Displayed Input CAN Parking brake switch Main body ECU (Multiplex network body ECU) C
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Charging System Malfunction See Owner's Manual Displayed Input CAN Charge indicator ECM C
      Cruise Control Malfunction Visit Your Dealer Displayed Input CAN Cruise control warning ECM C
      Lane Departure Alert Malfunction Visit Your Dealer*4 Displayed Input CAN Fault condition text display Pre-collision city sensor C
      Pre-Collision System Malfunction Visit Your Dealer*4 Displayed Input CAN PCS fault condition text display Pre-collision city sensor C
      Low Oil Pressure Stop in a Safe Place See Owner's Manual Displayed Input CAN Engine RPM data ECM C
      Direct line Engine oil pressure Engine oil pressure switch assembly
      Lane Departure Alert Unavailable Below Approx 50km/h*4 Displayed Input CAN Speed condition failure text display Pre-collision city sensor C
      Lane Departure Alert Unavailable Below Approx 32MPH*4 Displayed Input CAN Speed condition failure text display Pre-collision city sensor C
      Lane Departure Alert Unavailable at Current Speed*4 Displayed Input CAN Speed condition failure text display Pre-collision city sensor C
      Pre-Collision System Alert*4 Displayed Input CAN PCS warning message Pre-collision city sensor C
      PCS warning distance unusable condition text display
      PCS distance warning
      Pre-Collision System Turned Off*4 Displayed Input CAN PCS warning message Pre-collision city sensor C
      PCS warning distance unusable condition text display
      PCS distance warning
      Turn Lights Off Displayed Input CAN Driver door courtesy switch Main body ECU (Multiplex network body ECU) C
      Taillight request
      Headlight System Malfunction Visit Your Dealer*4 Displayed Input CAN Automatic high beam indicator Main body ECU (Multiplex network body ECU) C
      Windshield Washer Fluid Low Displayed Input Direct line Washer fluid level Level warning switch C
      Fuel Low Displayed Input Direct line Fuel level Fuel sender gauge assembly C
      Traction Control Turned Off Displayed Input CAN TRC OFF light*1 Brake actuator assembly (Skid control ECU) C
      TRAC OFF light*2
      Starter ECM
      Maintenance Required Soon*2 Displayed Input CAN Oil change indicator ECM C
      Starter
      Maintenance Required Visit Your Dealer*2 Displayed Input CAN Oil change indicator ECM C
      Starter
      VSC Turned Off Pre-Collision Brake System Unavailable*4 Displayed Input CAN PB temporary unusable condition text display Pre-collision city sensor C
      VSC OFF indicator light Brake actuator assembly (Skid control ECU)
      Pre-Collision System Unavailable*4 Displayed Input CAN PCS temporary unusable condition text display Pre-collision city sensor C
      Front Camera Systems Unavailable Wait a Moment*4 Displayed Input CAN PCS TEMP message Pre-collision city sensor C
      Front Camera Systems Unavailable Clean Windshield*4 Displayed Input CAN PCS DUST message Pre-collision city sensor C
      CHECKING PRE-COLLISION BRAKE*4 Displayed Input CAN Inspection mode Pre-collision city sensor C
      Each door open (vehicle stopped, ignition switch off) Displayed Input CAN Driver door courtesy switch Main body ECU (Multiplex network body ECU) C
      Front passenger door courtesy switch
      Rear right door courtesy switch
      Rear left door courtesy switch
      Back door courtesy switch
      • *1: for Speedometer with Metric Units for Main Scale
      • *2: for Speedometer with Imperial Units for Main Scale
      • *3: for CVT
      • *4: w/ Pre-collision System
    4. Buzzer
      Item Condition Input/Output CAN/Direct line Signal Component
      Seat belt warning (for driver side) buzzer Sounds intermittently (Maximum 5 times) Input CAN Driver seat buckle 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
      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*1 ECM
      Shift position R signal*1
      EPS warning buzzer Sounds once Input CAN Demand signal to meter Power steering ECU assembly
      Lane departure alert warning buzzer*2 Sounds intermittently Input CAN LDW buzzer Pre-collision city sensor
      Key reminder buzzer Sounds intermittently Input CAN Key switch Main body ECU (Multiplex network body ECU)
      Driver door courtesy switch
      Multi-information display warning buzzer Sounds once Input CAN Multi-information display warning Related ECUs
      Direct line
      Driving with parking brake unreleased warning buzzer Sounds intermittently Input CAN Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Parking brake switch Main body ECU (Multiplex network body ECU)
      Driving with door open warning buzzer Sounds intermittently Input CAN Driver door courtesy switch Main body ECU (Multiplex network body ECU)
      Front passenger door courtesy switch
      Rear right courtesy switch
      Rear left courtesy switch
      Back door courtesy switch
      Vehicle speed (SP1) Brake actuator assembly (Skid control ECU)
      Sports shift reject buzzer*1 Sounds twice Input CAN Reject buzzer ECM
      Light reminder buzzer Sounds continuously Input CAN Lighting system state Main body ECU (Multiplex network body ECU)
      Driver door courtesy switch
      Turn signal flasher buzzer Sounds intermittently Input CAN Flasher request Main body ECU (Multiplex network body ECU)
      Hazard light blinking flag Brake actuator assembly (Skid control ECU)
      Direct line LH turn signal switch Headlight dimmer switch assembly
      RH turn signal switch
      Turn signal switch position
      Hazard signal warning switch Hazard warning signal switch assembly
      PCS warning buzzer*2, *3 Sounds intermittently Input CAN PCS meter buzzer request Pre-collision city sensor
      PCS distance alert buzzer*2, *3 Sounds intermittently Input CAN PCS meter buzzer request Pre-collision city sensor
      • *1: for CVT
      • *2: w/ Pre-collision System
      • *3: w/ Pre-collision Safety City Heater
  3. MULTI-INFORMATION DISPLAY FLOW CHART 
    1. Multi-information display flow chart
      GTY691278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      DISPLAY CHANGE CONDITION

      Item Display Change Condition
      *a Conditions are met.
      *b Conditions are not 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 ignition switch is turned off.
      *f After ignition switch ON.
  4. DESCRIPTION OF WARNING DISPLAYS 
    1. for Multi-information Display
      Priority System Name/(Vehicle Function) Master Warning Light
      ◦: Comes on
      •: Blinks      		 Buzzer (*2) Display Level
      1 Lane departure alert system - - ADJUSTING FRONT CAMERA Caution
      Pre-collision system - - BRAKE! Warning
      2 Lane departure alert system - - Lane departure alert warning reminder indicator (image display) Warning
      3 (Each door warning (vehicle being driven)) • *1 Each door open (vehicle being driven) Caution
      (Each door warning (vehicle stopped, ignition switch ON)) - - Each door open (vehicle stopped, ignition switch ON) Caution
      4 (Parking brake) • *1 Release Parking Brake Caution
      5 Charging system - - Charging System Malfunction See Owner's Manual Caution
      Cruise control system ◦ ◦ Cruise Control Malfunction Visit Your Dealer Caution
      Lane departure alert system ◦ ◦ Lane Departure Alert Malfunction Visit Your Dealer Caution
      Pre-collision system ◦ ◦ Pre-Collision System Malfunction Visit Your Dealer Caution
      (Engine oil pressure switch assembly) ◦ ◦ Low Oil Pressure Stop in a Safe Place See Owner's Manual Caution
      Lane departure alert system - - Lane Departure Alert Unavailable Below Approx 50km/h Advisory
      - - Lane Departure Alert Unavailable Below Approx 32MPH Advisory
      - - Lane Departure Alert Unavailable at Current Speed Advisory
      6 Pre-collision system - - Pre-Collision System Alert Advisory
      - - Pre-Collision System Turned Off Advisory
      Lighting system • *1 Turn Lights Off Caution
      7 Automatic high beam system • ◦ Headlight System Malfunction Visit Your Dealer Caution
      8 Wiper and washer system - - Windshield Washer Fluid Low Advisory
      (Fuel sender gauge assembly) - - Fuel Low Advisory
      Vehicle stability control system - - Traction Control Turned Off Caution
      Meter / gauge system - - Maintenance Required Soon Advisory
      - - Maintenance Required Visit Your Dealer Advisory
      Pre-collision system - - VSC Turned Off Pre-Collision Brake System Unavailable Advisory
      - - Pre-Collision System Unavailable Advisory
      - - Front Camera Systems Unavailable Wait a Moment Advisory
      - - Front Camera Systems Unavailable Clean Windshield Advisory
      - - CHECKING PRE-COLLISION BRAKE Advisory
      (Each door open (vehicle stopped, ignition switch off)) - - Each door open (vehicle stopped, ignition switch off) Caution
      • *1: An exclusive buzzer sounds depending on condition
      • *2: Buzzers that are linked with the master warning light
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