Nissan Altima (L32) 2007-2012 Service Manual ≻ Power distribution system ≻ Component diagnosis ≻ Power supply and ground circuit ≻ BCM

Nissan Altima (L32) 2007-2012 Service Manual: 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 link after repairing the affected circuit.

NO >> GO TO 2

2. CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM.

3. Check voltage between BCM harness connector and ground.

Is the measurement normal? YES >> GO TO 3

NO >> Repair or replace harness.

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist? YES >> Inspection End.

NO >> Repair or replace harness.

Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

Initialize control unit. Refer to BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement".

>> Work End.

Power supply and ground circuit

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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. Is the fuse blown? YES >> Replace the blown fuse or fusible ...

Other materials:

Push-button ignition switch
WARNING Do not operate the push-button ignition switch while driving the vehicle except in an emergency. (The engine will stop when the ignition switch is pushed three consecutive times in quick succession or the ignition switch is pushed and held for more than 2 seconds.) If the engine stops while ...

RearView Monitor (if so equipped)
CAMERA or DISP button WARNING Failure to follow the warnings and instructions for proper use of the Rear- View Monitor system could result in serious injury or death. RearView Monitor is a convenience feature and is not a substitute for proper backing. Always turn and look out the windo ...

Starting the vehicle
1. After starting the engine, fully depress the foot brake pedal before moving the shift lever out of the P (Park) position. The Continuously Variable Transmission is designed so the foot brake pedal MUST be depressed before shifting from P (Park) to any drive position while the ignition switch is i ...