Nissan Altima (L32) 2007-2012 Service Manual ≻ Lan system can system (type 3) ≻ BCM branch line circuit

Nissan Altima (L32) 2007-2012 Service Manual: BCM 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 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:

System maintenance
The two radar sensors 1 for the BSW and RCTA systems are located near the rear bumper. Always keep the area near the radar sensors clean. The radar sensors may be blocked by temporary ambient conditions such as splashing water, mist or fog. The blocked condition may also be caused by objects such ...

Driving safety precautions
Your NISSAN is designed for both normal and off-road use. However, avoid driving in deep water or mud as your NISSAN is mainly designed for leisure use, unlike a conventional off-road vehicle. Remember that 2-Wheel Drive (2WD) models are less capable than All-Wheel Drive (AWD) models for rough road ...

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 ...