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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Combination Meter >> COMBINATION METER: Diagnosis Procedure

COMBINATION METER: Diagnosis Procedure

  1. CHECK FUSE

    Check for blown fuses.

    Power source Fuse No.
    Battery 11
    Ignition switch ON or START 3

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Be sure to eliminate cause of malfunction before installing new fuse.

  2. CHECK POWER SUPPLY CIRCUIT

    Check voltage between combination meter harness connector and ground.

    Terminals Ignition switch position Voltage (Approx.)
    (+) (-)
    Combination meter Ground
    Connector Terminal
    M34 1 OFF Battery voltage
    2 ON

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Check harness between combination meter and fuse.

  3. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect combination meter connector.
    3. Check continuity between combination meter harness connector and ground.
    Combination meter Ground Continuity
    Connector Terminal
    M34 3 Existed
    23

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair harness or connector.