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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 >> BCM (Body Control Module) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE AND FUSIBLE LINK 

    Check that the following fuse and fusible link are not blown.

    FUSE AND FUSIBLE LINK REFERENCE

    Signal name Fuse and fusible link No.
    Battery power supply K
    10

    Is the fuse fusing? 

    YES: Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.

    NO: GO TO  2.

  2. CHECK POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connectors.
    3. Check voltage between BCM harness connector and ground.
      TERMINALS VOLTAGE TABLE

      Terminals Voltage (Approx.)
      (+) (-)
      BCM Ground
      Connector Terminal
      M118 1 Battery voltage
      M119 11

    Is the measurement value normal? 

    YES: GO TO  3.

    NO: Repair harness or connector.

  3. CHECK GROUND CIRCUIT 

    Check continuity between BCM harness connector and ground.

    TERMINALS CONTINUITY TABLE

    BCM Ground Continuity
    Connector Terminal
    M119 13 Existed

    Does continuity exist? 

    YES: INSPECTION END

    NO: Repair harness or connector.

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