Nissan Altima 2007-2012 Service Manual: 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.

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.

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.

Does continuity exist? YES >> Inspection End.

NO >> Repair harness or connector.

    BCM
    Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuse or fusible link are blown. Is the fuse or fusible link blown? YES >> Replace the blown fuse or fusible l ...

    Key slot
    Diagnosis Procedure 1.CHECK KEY SLOT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect key slot connector. 3. Check voltage between slot connector and ground. Is the inspect ...

    Other materials:

    Power consumption control system
    System Diagram System Description OUTLINE • IPDM E/R incorporates a power consumption control function that reduces the power consumption according to the vehicle status. • IPDM E/R changes its status (control mode) with the sleep wake up signal received from BCM via CAN communicat ...

    Tweeter (sedan)
    Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the tweeters using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B122 and suspect tweet ...

    B2608 starter relay
    Description Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2608 is displaye ...