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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp & Indicator (DTCS) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Combination Meter >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE

    Check for blown fuses.

    Power source Fuse No.
    Battery 88

    Is the inspection result normal?

    YES 

    GO TO STEP 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.

    Probe Ignition switch position Voltage
    (Approx.)
    + -
    Combination meter
    Connector Terminal
    M32 4 Ground OFF Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 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
      M32 1 Existed

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Repair harness or connector.