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System Description [05/2014 - ]

  1. OUTLINE OF COMBINATION METER SUB-ASSEMBLY 
    Fig 1: Identifying Combination Meter Sub-Assembly Components
    GTY471966Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *a Speedometer *b Tachometer
    *c Multi-information display *d Digital speedometer
    *e Engine coolant temperature receiver gauge *f Fuel receiver gauge
  2. MULTI-INFORMATION DISPLAY FLOW CHART 
    Fig 2: Multi-Information Display Flow Chart
    GTY471814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *a Screen transition while the ignition switch is off *b Screen transition while the ignition switch is ON
    *c ODO/TRIP switch *d DISP switch
    *e MT shift display setting (for manual transmission system) *f RPM setting
    *g Buzzer sound ON/OFF setting *h Long pressing the "ODO/TRIP" switch resets the trip meter A to 0.0
    *i Long pressing the "ODO/TRIP" switch resets the trip meter B to 0.0 *j Long pressing the "DISP" switch resets the average fuel consumption to 0.0
    *k Pressing the "DISP" switch when vehicle speed is 0 km/h *l The "REV." display blinks
    Short press Long press
  3. CAN SIGNAL 
    Fig 3: CAN Signal System Diagram
    GTY392537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DIRECT LINE SIGNAL 
    Fig 4: Direct Line Signal System Diagram
    GTY471660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. METER GAUGE AND WARNING INDICATOR 
    METER/GAUGE

    Item Signal Description
    Speedometer Indicates the vehicle speed based on signals received from the skid control ECU (brake actuator assembly) and the gauge needle operates (CAN).
    Tachometer Indicates the engine speed based on signals from ECM and the gauge needle operates (CAN).
    Fuel Gauge Indicates the fuel level in accordance with signals received from fuel sender gauge assembly and the gauge needle operates (Direct line).
    Engine coolant temperature gauge The combination meter assembly receives an engine coolant temperature signal from the ECM and the gauge needle operates (CAN).
    WARNING/INDICATOR

    Item Signal Description
    TURN Receives turn signal from turn signal flasher assembly (Direct line).
    SET*1 Receives cruise control switch signal from the ECM (CAN).
    CRUISE (green)*1 Receives cruise control switch signal from the ECM (CAN).
    CRUISE (yellow)*1 Receives cruise control switch signal from the ECM (CAN).
    DOOR Open door indicator illuminates when receiving signal from main body ECU (network gateway ECU) (CAN).
    HI BEAM Receives high beam signal from main body ECU (network gateway ECU) (CAN).
    TPMS Receives TPMS signal from main body ECU (network gateway ECU) (CAN).
    SECURITY Receives security signal from main body ECU (network gateway ECU) (Direct line).
    REV*2 Receives engine speed signal from the ECM (CAN).
    SLIP Receives VSC control signal or malfunction signal from brake actuator assembly (skid control ECU) (CAN).
    ABS Receives malfunction signal from brake actuator assembly (skid control ECU) (CAN).
    D SEAT BELT Receives driver seat belt warning signal (unfastened) from main body ECU (network gateway ECU) (Direct line).
    CHARGE Receives malfunction signal from generator assembly (Direct line).
    OIL PRESSURE Receives engine oil pressure warning signal from engine oil pressure switch assembly (Direct line).
    MIL Receives malfunction check engine warning signal from ECM (CAN).
    SPORT*3 Receives sport indicator signal from TCM (CAN).
    SNOW*3 Receives snow indicator signal from TCM (CAN).
    AT OIL TEMP*3 Receives malfunction signal from TCM (CAN).
    BRAKE
    • Receives brake fluid level warning signal from brake level switch (Direct line).
    • Receives parking brake switch signal from main body ECU (network gateway ECU) (CAN).
    • Receives malfunction signal from brake actuator assembly (skid control ECU) (CAN).
    TRAC OFF Receives TRAC control off signal from brake actuator assembly (skid control ECU) (CAN).
    VSC OFF Receives VSC control off signal from brake actuator assembly (skid control ECU) (CAN).
    VSC SPORT Receives VSC sport signal from brake actuator assembly (skid control ECU) (CAN).
    AIRBAG Receives malfunction signal from airbag sensor assembly (CAN).
    EPS Receives malfunction signal from power steering ECU assembly (CAN).
    LOW FUEL Receives low fuel signal from fuel sender gauge assembly (Direct line).
    1. *1: w/ Cruise Control System
    2. *2: w/ Digital Speedometer
    3. *3: for Automatic Transmission System
    BUZZER

    Item Signal Description
    SEAT BELT (driver seat belt) Buzzer ON: When ignition switch is ON, driver seat belt is unfastened, and vehicle speed is 20 km/h (12.4 mph) or more.
    EPS Buzzer ON: Receives malfunction signal from the power steering ECU assembly.
    KEY REMINDER Buzzer ON: Receives signal from main body ECU (network gateway ECU).
    IMMOBILIZER Buzzer ON: Receives signal from main body ECU (network gateway ECU).
    SPORTS SHIFT REJECT*1 Buzzer ON: Receives signal from the ECM.
    REV*2 Buzzer ON: Receives engine speed signal from the ECM.
    LIGHT REMINDER Buzzer ON: When ignition switch is off, receives signal from main body ECU (network gateway ECU).
    1. *1: for Automatic Transmission System
    2. *2: w/ Digital Speedometer
    MULTI-INFORMATION DISPLAY

    Item Signal Description
    ODO/TRIP
    • Receives integrated value signal of vehicle speed pulses from brake actuator assembly (skid control ECU) (CAN).
    • Receives ODO/TRIP signal from trip switch (Direct line).
    A/T shift indicator*1
    • Receives shift position signal (P, R, N, D) from TCM (CAN).
    • Receives shift range signal (1 to 6) from TCM (CAN).
    • Receives mode indicator signal from TCM (CAN).
    A/T shift up indicator*1 Receives UP display request signal from TCM (CAN).
    A/T shift down indicator*1 Receives DOWN display request signal from TCM (CAN).
    M/T shift indicator*2 Receives gear range signal from ECM (CAN).
    M/T shift up indicator*2 Receives shift up signal from ECM (CAN).
    Ambient temperature
    • Receives vehicle speed signal from ECM (CAN).
    • Receives ambient temperature signal from thermistor assembly (Direct line).
    Average fuel consumption
    • Receives engine speed signal from ECM (CAN).
    • Receives fuel injection volume signal from ECM (CAN).
    • Receives vehicle speed signal from brake actuator assembly (skid control ECU) (CAN).
    • Receives integrated value signal of vehicle speed pulses from brake actuator assembly (skid control ECU) (CAN).
    Instantaneous fuel consumption
    • Receives engine speed signal from ECM (CAN).
    • Receives fuel injection volume signal from ECM (CAN).
    • Receives vehicle speed signal from brake actuator assembly (skid control ECU) (CAN).
    • Receives integrated value signal of vehicle speed pulses from brake actuator assembly (skid control ECU) (CAN).
    Digital speedometer*3 Receives vehicle speed signal from brake actuator assembly (skid control ECU) (CAN).
    1. *1: for Automatic Transmission System
    2. *2: for Manual Transmission System
    3. *3: w/ Digital Speedometer
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