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Home >> Infiniti >> 2008 >> EX35 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> Component Diagnosis >> Power Supply And Ground Circuit >> BCM >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE AND FUSIBLE LINK 
    1. Turn ignition switch OFF.
    2. Check that the following fuse and fusible link are not blown.
      FUSE AND FUSIBLE LINK REFERENCE

      Terminal No. Signal name Fuse and fusible link No.
      1 Battery power supply K (40A)
      11 10 (10A)

    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. Disconnect BCM connectors.
    2. Check voltage between BCM harness connector and ground.
      VOLTAGE SPECIFICATION

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

    Is the inspection result normal? 

    YES: GO TO  3.

    NO: Repair or replace harness or connector.

  3. CHECK GROUND CIRCUIT 

    Check continuity between BCM harness connector and ground.

    CONTINUITY SPECIFICATION

    BCM Ground Continuity
    Connector Terminal
    M119 13 Existed

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair or replace harness or connector.

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