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 of malf ...

    Meter buzzer circuit
    Description • The buzzer for warning chime system is installed in the combination meter. • The combination meter sounds the alarm buzzer based on the signals transmitted from various units. ...

    Other materials:

    Blower unit
    Removal and Installation COMPONENTS 1. Heater and cooling unit 2. Blower unit Front REMOVAL 1. Remove the heater and cooling unit assembly. Refer to VTL-12, "Removal and Installation". 2. Disconnect the blower motor connector. 3. Remove the screws from the blower unit, the ...

    U1010 control unit (CAN)
    Description Refer to LAN-9, "Description". DTC Logic DTC DETECTION LOGIC Diagnosis Procedure Symptom: Displays “CONTROL UNIT (CAN) [U1010]” as a self-diagnosis result of AV control unit. 1.CHECK CAN COMMUNICATION Select “SELF-DIAG RESULTS” mode for “MULTI AV” with ...

    P0117, P0118 ECT sensor
    Description The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in ...