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Home >> Infiniti >> 2008 >> G37 Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> Power Distribution System >> Component Diagnosis >> Power Supply And Ground Circuit >> IPDM E/R (Intelligent Power Distribution Module Engine Room) >> IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure

  1. CHECK FUSES AND FUSIBLE LINK

    Check that the following IPDM E/R fuses or fusible links are not blown.

    FUSES AND FUSIBLE LINK REFERENCE

    Signal name Fuses and fusible link No.
    Battery power supply C
    50
    51

    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 IPDM E/R connector.
    3. Check voltage between IPDM E/R harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      Terminals Voltage (Approx.)
      (+) (-)
      IPDM E/R
      Connector Terminal Ground
      E4 1 Battery voltage

    Is the measurement value normal? 

    YES: GO TO 3.

    NO: Repair harness or connector.

  3. CHECK GROUND CIRCUIT

    Check continuity between IPDM E/R harness connectors and ground.

    TERMINALS CONTINUITY REFERENCE

    IPDM E/R Ground Continuity
    Connector Terminal
    E5 12 Existed
    E6 41

    Does continuity exist? 

    YES: INSPECTION END

    NO: Repair harness or connector.

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