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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Trip Reset And Illumination Control Switch Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK COMBINATION METER INPUT SIGNAL

    1. Turn ignition switch ON.
    2. Measure voltage between the following terminals of the combination meter.
      (+) (-) Condition Voltage
      (Approx.)
      Combination meter Ground
      Connector Terminals
      M34 8 When trip reset switch is pressed 0 V
      Other than the above 5 V
      13 When illumination control switch (+) is pressed 0 V
      Other than the above 5 V
      14 When illumination control switch (-) is pressed 0 V
      Other than the above 5 V

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2. 

  2. CHECK TRIP RESET AND ILLUMINATION CONTROL SWITCH SIGNAL CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect combination meter connector and trip reset and illumination control switch connector.
    3. Check continuity between combination meter harness connector and trip reset and illumination control switch harness connector.
      Terminals Continuity
      Combination meter Trip reset and illumination control switch
      Connector Terminal Connector Terminal
      M34 8 M83 5 Existed
      13 3
      14 4
    4. Check continuity between combination meter harness connector and ground.
      Combination meter Ground Continuity
      Connector Terminal
      M34 8 Not existed
      13
      14

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair harness or connector.

  3. CHECK TRIP RESET AND ILLUMINATION CONTROL SWITCH GROUND CIRCUIT

    Check continuity between trip reset and illumination control switch connector and ground.

    Trip reset and illumination control switch Ground Continuity
    Connector Terminal
    M83 6 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair harness or connector.