Nissan Altima 2007-2012 Service Manual: BCM branch line circuit

Diagnosis 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 BCM for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair the terminal and connector.

2.CHECK HARNESS FOR OPEN CIRCUIT

1. Disconnect the connector of BCM.

2. Check the resistance between the BCM harness connector terminals.

Is the measurement value within the specification? YES >> GO TO 3.

NO >> Repair the BCM branch line.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the BCM. Refer to BCS-42, "Diagnosis Procedure".

Is the inspection result normal? YES (Present error)>>Replace the BCM. Refer to BCS-96, "Removal and Installation".

YES (Past error)>>Error was detected in the BCM branch line.

NO >> Repair the power supply and the ground circuit.

    A-BAG branch line circuit
    Diagnosis Procedure 1.CHECK AIR BAG DIAGNOSIS SENSOR UNIT Check the air bag diagnosis sensor unit. Refer to SRC-3, "Work Flow". Is the inspection result normal? YES >> Replace t ...

    DLC 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 o ...

    Other materials:

    Power window system
    System Diagram POWER WINDOW ANTI-PINCH SYSTEM System Description POWER WINDOW MAIN SWITCH INPUT/OUTPUT SIGNAL CHART POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH INPUT/OUTPUT SIGNAL CHART POWER WINDOW OPERATION • Power window system is operable during the retained power operation timer ...

    Shift position indicator circuit
    Description • TCM sends position indicator signals to combination meter by CAN communication line. • Manual mode switch position is indicated on shift position indicator. Component Function Check 1.CHECK SHIFT POSITION INDICATOR CAUTION: Always drive vehicle at a safe speed. 1. Sta ...

    Mode door motor
    Removal and Installation REMOVAL 1. Remove the combination meter. Refer to MWI-176, "Removal and Installation". 2. Remove the BCM (2). Refer to BCS-96, "Removal and Installation". NOTE: The illustration is shown with the heater and cooling unit assembly out of the ve ...