Nissan Altima (L32) 2007-2012 Service Manual ≻ Lan system can system (type 5) ≻ BCM branch line circuit

Nissan Altima (L32) 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:

Heated seat switches (if so equipped)
WARNING Do not use or allow occupants to use the seat heater if you or the occupants cannot monitor elevated seat temperatures or have an inability to feel pain in body parts that contact the seat. Use of the seat heater by such people could result in serious injury. CAUTION The battery could run ...

Passenger compartment
Power moonroof (if so equipped) Sun visors Interior lights HomeLink Universal Transceiver (if so equipped) Rearview mirror Glove box Cup holders Console box Rear armrest Cup holders Refer to the page number indicated in parentheses for operating details. Instrument panel Vents ...

Corrosion protection
Most common factors contributing to vehicle corrosion Most vehicle corrosion is caused by: The accumulation of moisture-retaining dirt and debris in body panel sections, cavities, and other areas. Damage to paint and other protective coatings caused by gravel and stone chips or minor traffic ...