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Home >> Infiniti >> 2015 >> Q60 Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (Convertible) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Unified Meter And A/C Amp. >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE

    Check for blown fuses.

    Power source Fuse No.
    Battery 11
    Ignition switch ACC or ON 19
    Ignition switch ON or START 3

    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 unified meter and A/C amp. harness connector terminal and ground.

    Terminals Ignition switch Voltage
    (Approx.)
    (+) (-)
    Unified meter and A/C amp.
    Connector Terminals
    M67 54 Ground OFF Battery voltage
    41 ACC
    53 ON

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Check harness between unified meter and A/C amp. and fuse.

  3. CHECK GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect unified meter and A/C amp. connector.
    3. Check continuity between unified meter and A/C amp. harness connector terminal and ground.
      Unified meter and A/C amp. Ground Continuity
      Connector Terminals
      M67 55 Existed
      71

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair harness or connector.

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