METER / GAUGE SYSTEM SYSTEM DESCRIPTION


  1. OUTLINE OF COMBINATION METER ASSEMBLY

    A01ET0JE01
    Text in Illustration
    *A w/o Multi-information display *B w/ Multi-information display
    *1 Tachometer *2 Speedometer
    *3 Fuel receiver gauge *4 Fuel economy meter
    *5 ODO/TRIP change switch *6 Light control rheostat switch
    *7 Engine coolant temperature receiver gauge, shift indicator, outside temperature display, illumination level *8 ODO/TRIP meter, average fuel consumption display
    *9 Current fuel consumption display *10 Multi-information display
    *11 ODO/TRIP meter - -

  2. INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY


    1. Meter or Gauge

      Meter or Gauge Communication Signal Receiver Communication Line Sender
      Speedometer Vehicle speed Combination meter assembly CAN Skid control ECU
      Tachometer Engine speed Combination meter assembly CAN ECM
      Fuel receiver gauge Fuel level Combination meter assembly Direct line Fuel sender gauge assembly
      Vehicle speed Combination meter assembly CAN Skid control ECU
      Shift position Combination meter assembly CAN ECM
      Transaxle variation
      Parking brake switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Fuel level Navigation ECU sub-assembly (for Navigation Receiver Type) or Radio and display receiver assembly (for Radio and Display Type) CAN Combination meter assembly
      Engine coolant temperature receiver gauge Engine coolant temperature Combination meter assembly CAN ECM
      ODO, TRIP A, TRIP B meter Transaxle variation Combination meter assembly CAN ECM
      Vehicle speed CAN Skid control ECU
      Direct line
      ODO/TRIP change - ODO/TRIP change switch
      TRIP reset
      Fuel economy meter Fuel injection Combination meter assembly CAN ECM
      Engine speed
      Vehicle speed CAN Skid control ECU
      Meter illumination Illumination level Combination meter assembly Direct line Light control rheostat switch
      Tail cancel
      Auto dimmer CAN Main body ECU (Multiplex network body ECU)
      Tail cancel Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Illumination level Certification ECU (Smart key ECU assembly)

    2. Warning or Indicator

      Warning or Indicator Communication Signal Receiver Communication Line Sender
      Slip indicator VSC operation (Blink request) Combination meter assembly CAN Skid control ECU
      VSC warning (Illumination request)
      MIL (Check engine warning light) MIL (Check engine warning light) Combination meter assembly Direct line ECM
      Oil pressure Oil pressure Combination meter assembly Direct line Engine oil pressure switch assembly
      Headlight leveling (w/ Automatic Headlight Beam Level Control System) Headlight leveling Combination meter assembly Direct line Headlight leveling ECU assembly
      Smart entry and start system (w/ Smart Entry and Start System) Smart entry and start system warning (orange color) Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Smart entry and start system indicator (green color)
      High beam High beam Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Front fog Front fog Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Tail Tail indicator Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Turn Turn Combination meter assembly Direct line Headlight dimmer switch assembly
      Rear fog (w/ Rear Fog Light) Rear fog Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      AFS off (w/ AFS (Adaptive Front-lighting System)) AFS off Combination meter assembly CAN AFS ECU
      Master Each system warning Combination meter assembly CAN, Direct line Related ECUs
      ABS ABS warning Combination meter assembly CAN Skid control ECU
      Cruise (green) Cruise control indicator Combination meter assembly CAN ECM
      Cruise (amber) Cruise control warning Combination meter assembly CAN ECM
      Set Set Combination meter assembly CAN ECM
      Open door Each door courtesy switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Hood courtesy switch
      Trunk courtesy switch
      Fuel level Fuel level Combination meter assembly Direct line Fuel sender gauge assembly
      EPS EPS Combination meter assembly CAN Power steering ECU assembly
      SRS SRS Combination meter assembly CAN Airbag sensor assembly
      Brake Brake Combination meter assembly CAN Skid control ECU
      Brake fluid level Direct line Brake master cylinder reservoir sub-assembly (Brake fluid level warning switch)
      Parking brake switch CAN Main body ECU (Multiplex network body ECU)
      Charge Charge Combination meter assembly Direct line Generator assembly
      ECO ECO Combination meter assembly CAN ECM
      Seat belt*1 Driver seat belt buckle switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Shift position CAN ECM
      Vehicle speed CAN Skid control ECU
      Parking brake switch CAN Main body ECU (Multiplex network body ECU)
      Shift indicator Shift Combination meter assembly CAN ECM
      Shift range
      Shift mode
      Automatic transaxle fluid temperature
      Outside temperature Outside temperature Combination meter assembly CAN Air conditioning amplifier assembly

    3. Cruise Information Display

      Cruise Information Display Communication Signal Receiver Communication Line Sender
      Cruise information Steering pad switch assembly (DISP switch) operation Combination meter assembly Direct line Steering pad switch assembly (DISP switch)
      Driveable distance (w/ Multi-information Display) Fuel injection Combination meter assembly CAN ECM
      Engine speed
      Engine variation
      Vehicle speed CAN Skid control ECU
      Fuel level Direct line Fuel sender gauge assembly
      Driving distance Navigation ECU sub-assembly (for Navigation Receiver Type) or Radio and display receiver assembly (for Radio and Display Type) CAN Combination meter assembly
      Cruise information display unit
      Average fuel consumption Fuel injection Combination meter assembly CAN ECM
      Engine speed
      Vehicle speed CAN Skid control ECU
      Reset - ODO/TRIP change switch
      Average fuel consumption Navigation ECU sub-assembly (for Navigation Receiver Type) or Radio and display receiver assembly (for Radio and Display Type) CAN Combination meter assembly
      Cruise information display unit
      Current fuel consumption (w/ Current Fuel Consumption Display) Fuel injection Combination meter assembly CAN ECM
      Engine speed
      Vehicle speed CAN Skid control ECU
      Current fuel consumption Navigation ECU sub-assembly (for Navigation Receiver Type) or Radio and display receiver assembly (for Radio and Display Type) CAN Combination meter assembly
      Cruise information display unit
      Average speed (w/ Multi-information Display) Vehicle speed Combination meter assembly CAN Skid control ECU
      Engine speed CAN ECM
      Average speed Navigation ECU sub-assembly (for Navigation Receiver Type) or Radio and display receiver assembly (for Radio and Display Type) CAN Combination meter assembly
      Cruise information display unit
      Driving time (w/ Multi-information Display) Engine speed Combination meter assembly CAN ECM
      Driving time Navigation ECU sub-assembly (for Navigation Receiver Type) or Radio and display receiver assembly (for Radio and Display Type) CAN Combination meter assembly
      ECO drive level (w/ Multi-information Display) Fuel injection Combination meter assembly CAN ECM
      Engine speed
      Vehicle speed CAN Skid control ECU
      Setting Customized setting - - -

    4. Multi-information Display (w/ Multi-information Display)

      Multi-information Display Message Communication Signal Receiver Communication Line Sender
      Multi-information Steering pad switch assembly (DISP switch) operation Combination meter assembly Direct line Steering pad switch assembly (DISP switch)
      Clearance sonar (w/ Toyota Parking-assist Sensor System) Clearance sonar Combination meter assembly CAN Clearance warning ECU assembly
      Check sonar (w/ Toyota Parking-assist Sensor System) Check sonar Combination meter assembly CAN Clearance warning ECU assembly
      Clean sonar (w/ Toyota Parking-assist Sensor System) Clean sonar Combination meter assembly CAN Clearance warning ECU assembly
      Auto power off to conserve battery (w/ Smart Entry and Start System) Auto power off to conserve battery Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Shift to P position (w/ Smart Entry and Start System) Shift to P position Combination meter assembly Certification ECU (Smart key ECU assembly)
      Release parking brake display Parking brake switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Vehicle speed Skid control ECU
      Key not detected (w/ Smart Entry and Start System) Key not detected Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Turn power off (w/ Smart Entry and Start System) Turn power off Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Key detected in vehicle (w/ Smart Entry and Start System) Key detected in vehicle Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Depress brake pedal, touch engine switch with key (w/ Smart Entry and Start System) Depress brake pedal, touch engine switch with key Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Depress brake and push engine switch to start (w/ Smart Entry and Start System) Depress brake and push engine switch to start Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Shift to P position to start (w/ Smart Entry and Start System) Shift to P position to start Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Steering lock active (w/ Smart Entry and Start System) Steering lock active Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Key battery low (w/ Smart Entry and Start System) Key battery low Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Check entry and start system (w/ Smart Entry and Start System) Check smart entry and start system Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Check cruise control system Check cruise control system Combination meter assembly CAN ECM
      Turn light off Turn light off Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Moonroof open (w/ Sliding Roof) Moonroof open Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Power on (w/ Smart Entry and Start System) Power on Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Engine start possible condition (w/ Smart Entry and Start System) Power on possible condition Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Door open Each door courtesy switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Hood open Hood courtesy switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Trunk open Trunk courtesy switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)

    5. Buzzer

      Buzzer Communication Signal Receiver Communication Line Sender
      Sports shift reject Sports shift reject Combination meter assembly CAN ECM
      Key reminder Driver door courtesy switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Ignition switch
      Driving with parking brake unreleased warning Parking brake switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Vehicle speed Skid control ECU
      Driving with any door ajar warning Each door courtesy switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Hood courtesy switch
      Trunk courtesy switch
      Vehicle speed Skid control ECU
      Sliding roof warning (w/ Sliding Roof) Sliding roof warning Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Seat belt warning Driver seat belt buckle switch Combination meter assembly CAN Main body ECU (Multiplex network body ECU)
      Shift position R CAN ECM
      Shift position P
      Vehicle speed CAN Skid control ECU
      Parking brake switch CAN Main body ECU (Multiplex network body ECU)
      Smart entry and start system warning (Single) (w/ Smart Entry and Start System) Smart entry and start system warning buzzer (Single) Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Immobiliser key identification completion Immobiliser key identification completion Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Smart entry and start system warning (Intermittent) (w/ Smart Entry and Start System) Smart entry and start system warning buzzer (Intermittent) Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      Smart entry and start system warning (Continuous) (w/ Smart Entry and Start System) Smart entry and start system warning buzzer (Continual) Combination meter assembly CAN Certification ECU (Smart key ECU assembly)
      EPS warning EPS warning Combination meter assembly CAN Power steering ECU assembly

    6. Others

      Signal Communication Signal Receiver Communication Line Sender
      Vehicle speed Vehicle speed Combination meter assembly CAN Skid control ECU
      Direct line
      Related ECUs CAN Combination meter assembly
      Direct line

  3. MULTI-INFORMATION DISPLAY FLOW CHART


    1. Multi-information display flow chart

      A01EVCCE01

    2. EACH WARNING DISPLAY


      1. Each warning display for combination meter assembly

        Tech Tips

        Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle.

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