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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System -- G37 Coupe >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> BCM (Body Control Module) >> BCM (BODY CONTROL MODULE) : Diagnosis Procedure

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

  1. CHECK FUSE AND FUSIBLE LINK

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

    FUSE REFERENCE CHART

    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.
      VOLTAGE REFERENCE CHART

      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.

    CONTINUITY REFERENCE CHART

    BCM Ground Continuity
    Connector Terminal
    M119 13 Existed

    Does continuity exist? 

    YES: INSPECTION END

    NO: Repair harness or connector.

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