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Home >> Infiniti >> 2008 >> EX35 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> Component Diagnosis >> Power Supply And Ground Circuit >> Combination Meter >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE 

    Check for blown fuses.

    FUSE REFERENCE

    Power source Fuse No.
    Battery 11
    Ignition switch ACC or ON 19
    Ignition switch ON or START 4

    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 VOLTAGE TABLE

    Terminals Ignition switch position Value (Approx.)
    (+) (-)
    Combination meter Terminal Signal name
    M53 1 Battery power supply Ground OFF Battery voltage
    23 ACC power supply ACC Battery voltage
    21 Ignition signal ON Battery voltage

    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.
      TERMINALS CONTINUITY TABLE

      Combination meter Ground Continuity
      Connector Terminal
      M53 5 Existed
      15 Existed
      22 Existed

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair harness or connector.

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