Nissan Altima (L32) 2007-2012 Service Manual ≻ Exterior lighting system ≻ Component diagnosis ≻ Power supply and ground circuit ≻ IPDM E/R (Intelligent power distribution module engine room)

Nissan Altima (L32) 2007-2012 Service Manual: IPDM E/R (Intelligent power distribution module engine room)

Diagnosis Procedure

1. CHECK FUSES AND FUSIBLE LINK

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 (Body control module)

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 li ...

Headlamp (HI) circuit

Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp high relay based on inputs from the BCM over the CAN communication lines. When the headlamp high ...

Other materials:

Jacking up vehicle and removing the damaged tire (2WD models)
WARNING Never get under the vehicle while it is supported only by the jack. If it is necessary to work under the vehicle, support it with safety stands. Use only the jack provided with your vehicle to lift the vehicle. Do not use the jack provided with your vehicle on other vehicles. The ja ...

Maintenance precautions
When performing any inspection or maintenance work on your vehicle, always take care to prevent serious accidental injury to yourself or damage to the vehicle. The following are general precautions which should be closely observed. WARNING Park the vehicle on a level surface, apply the parking br ...

Lane Departure Warning (LDW)
WARNING Failure to follow the warnings and instructions for proper use of the LDW system could result in serious injury or death. This system is only a warning device to inform the driver of a potential unintended lane departure. It will not steer the vehicle or prevent loss of control. It is ...