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Home >> Toyota >> 2009 >> Tacoma Base, 4D Pickup, Standard >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter/Gauge System >> System Description

System Description

  1. METER GAUGE AND WARNING/INDICATOR 

    Meter/Gauge 

    METER/GAUGE REFERENCE CHART

    Item Detail
    Speedometer for Automatic Transmission:
    Based on signals received from wheel speed sensor, skid control ECU calculates vehicle speed and transmits data to meter.
    for Manual Transmission:
    Indicates vehicle speed based on signals received from speedometer sensor.
    Tachometer Indicates engine speed based on signals from ECM.
    Engine Coolant Temperature Gauge Indicates engine coolant temperature in accordance with signal from ECM.
    Fuel Gauge Indicates fuel level in accordance with signals received from fuel sender gauge.
    ODO/TRIP meter Calculates accumulated total vehicle travel distance and vehicle travel distance since trip meter knob pressed.

    Warning/Indicator 

    WARNING/INDICATOR REFERENCE CHART

    Item Signal Description
    TURN SIGNAL Receives turn signal from turn signal flasher.
    BEAM Receives beam signal from multiplex network body ECU.
    CHARGE Receives malfunction signal from generator.
    OIL PRESSURE Receives malfunction signal from oil pressure switch.
    MIL Receives malfunction signal from ECM.
    DOOR Open door indicator illuminates when receiving signal from multiplex network body ECU.
    D BELT Receives driver seat belt signal (unfastened) from Driver's seat belt buckle switch.
    BRAKE for Vacuum Booster Type:
    • Receives parking brake switch signal from parking brake switch.
    • Receives brake fluid level warning signal from brake fluid level warning switch.
    • Receives malfunction signal from skid control ECU.

      for Hydraulic Booster Type:

      • Receives parking brake switch signal from parking brake switch.
      • Receives fluid level warning signal from skid control ECU.
      • Receives malfunction signal from skid control ECU.
    MAINT REQD(1)
    • Blinks when oil is changed and vehicle is driven about 4500 miles (7242 km) to 5000 miles (8000 km).
    • Illuminates when oil is changed and vehicle is driven about 5000 miles (8000 km).
    HEAD(1)
    TAIL(2)
    Receives headlight signal from multiplex network body ECU.
    CRUISE(3) Receives malfunction signal from ECM.
    AIRBAG Receives malfunction signal from center airbag sensor assembly.
    FUEL Receives fuel empty signal from fuel sender gauge.
    A/T OIL TEMP(4) Warning is displayed when oil temperature is high.
    AUTO LSD Receives VSC OFF switch ON signal from skid control ECU.
    ESC Receives malfunction signal from skid control ECU.
    A-TRAC(5) Receives A-TRAC signals from skid control ECU.
    ESC OFF Receives VSC control off signal from skid control ECU
    DAC(6) Receives DAC signals from skid control ECU.
    4WD(7) Receives 4WD signals from 4WD control ECU.
    4LO(7) Receives 4LO signals from 4WD control ECU.
    RR DIFF LOCK(8) Receives rear differential lock signals from 4WD control ECU.
    ABS Receives malfunction signal from skid control ECU.
    TIRE PRESSURE Receives low tire pressure signal from tire pressure warning ECU.
    RSCA OFF Receives RSCA OFF signal from center airbag sensor assembly.
    (1) for U.S.A.

    (2) for Canada

    (3) w/ Cruise Control

    (4) for A750E and A750F Automatic Transmission

    (5) w/ Active Traction Control

    (6) w/ Downhill Assist Control

    (7) for 4WD

    (8) w/ Rear Differential Lock Buzzer
    BUZZER REFERENCE CHART

    Item Signal Description
    Key Reminder Buzzer is ON: Ignition switch is off, key is inserted, and door is open.
    Fasten Belt Buzzer is ON: Ignition switch is ON, seat belt is unfastened, and combination meter detects vehicle speed input signal.
    Manual Shift Reverse(1) Buzzer is ON: Ignition switch is ON, shift position is reverse.
    Parking Brake Warning Buzzer is ON: Engine is running, parking brake is set, and combination meter detects vehicle speed input pulse.
    (1) for RA60 and RA60F Manual Transmission
  2. SYSTEM FEATURES 

    The combination meter in this vehicle has the following features:

    1. Built-in buzzer for the reminder system (key and seat belt).
    2. ODO/TRIP meter.
      • Press and release the knob to scroll through trip A, trip B, and odometer features.
      • Press and hold the trip knob to reset the trip meter functions.
    3. Oil maintenance indicator.
      • 4500 miles after the ODO/TRIP switch is set, the maintenance indicator blinks for 15 seconds after the ignition switch is turned to ON.
      • 5000 miles after ODO/TRIP switch is set, the maintenance indicator comes on.
    4. How to reset oil maintenance indicator (See ON-VEHICLE INSPECTION ).