Nissan Altima manuals
Nissan Altima (L32) 2007-2012 Service ManualExterior lighting systemComponent diagnosisPower 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:

Oil pump
Removal and Installation REMOVAL 1. Remove the timing chain. Refer to EM-163, "Removal". 2. Remove oil pump assembly. INSTALLATION Installation is in the reverse order of removal. Disassembly and Assembly 1. Oil pump housing 2. Outer rotor 3. Inner rotor 4. Oil pump cover 5. ...

M&A branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the combination meter for damage, bend and loose connection (unit side and connector side). ...

Additional service when replacing control unit
Description Initial setting is necessary when replacing power window main switch. CAUTION: The following specified operations are not performed under the non-initialized condition. • Auto-up operation • Anti-pinch function • Retained power operation Special Repair Requirement INITI ...