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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp & Indicator (Exc Hybrid) >> 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 6
    Ignition switch ON or START 11
    Ignition switch ON or ACC 1

    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.

    Terminals Ignition switch position Voltage
    (Approx.)
    (+) (-)
    Combination meter Ground
    Connector Terminal
    M58 45 OFF Battery voltage
    46 ON
    M57 14 ACC

    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
      M57 1 Existed
      M58 52

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair harness or connector.

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