Nissan Altima 2007-2012 Service Manual: 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 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.

    Combination meter
     Diagnosis Procedure 1.CHECK FUSES Check for blown combination meter fuses. Is the inspection result normal? YES >> GO TO 2 NO >> If fuse is blown, be sure to eliminate cause ...

    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 ...

    Other materials:

    Speedometer
    System Diagram System Description The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via CAN communication lines. Component Parts Location 1. Combination meter M24 2. IPDM E/R E17, E18, E201, F10 3. ECM E10 4. TCM F16 5. BCM ...

    Engine compartment
    CAUTION Never use a fuse of a higher or lower amperage rating than specified on the fuse box cover. This could damage the electrical system or cause a fire. If any electrical equipment does not come on, check for an open fuse. 1. Be sure the ignition switch and the headlight switch are O ...

    Door switch
    Description Detects door open/close condition and transmits the signal to BCM. Component Function Check 1. CHECK DOOR SWITCH INPUT SIGNAL Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-III. Refer to BCS- 34, "RETAINED PWR : CONSULT-III Function (BC ...