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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 link are not blown.

    FUSE REFERENCE CHART

    Terminal No. Signal name Fuses and fusible link No.
    1, 2 Battery power supply B, D
    - 42
    43

    Is the fuse blown? 

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

    NO: GO TO 2.

  2. CHECK POWER SUPPLY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connectors.
    3. Check voltage between IPDM E/R harness connector and ground.
      VOLTAGE REFERENCE CHART

      Terminals Voltage (V) (Approx.)
      (+) (-)
      IPDM E/R
      Connector Terminal Ground
      E16 1 Battery voltage
      2
      Fig 1: Checking Voltage Between IPDM E/R Harness Connector And Ground
      G04888297

    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.

    CONTINUITY REFERENCE CHART

    IPDM E/R Ground Continuity
    Connector Terminal
    A: E18 12 Yes
    B: E17 41

    Does continuity exist? 

    YES: Inspection End.

    NO: Repair harness or connector.

    Fig 2: Checking Continuity Between IPDM E/R Harness Connectors And Ground
    G04888298
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