Nissan Altima (L32) 2007-2012 Service Manual ≻ Lan system can system (type 7) ≻ 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:

Lights
Headlights For additional information on headlight bulb replacement, refer to the instructions outlined in this section. Replacing the LED headlight bulb If LED headlight bulb replacement is required, it is recommended that you visit a NISSAN dealer for this service. Exterior and interior lights ...

Vehicle information display - 7 inch (18 cm) Type B (if so equipped)
The vehicle information display is located to the left of the speedometer. It displays such items as: Vehicle settings Indicators and warnings Information/warning messages Tire pressure information Drive computer information Cruise control system information Driving Aids (if so equipped) P ...

Recommended fluids/lubricants and capacities
The following are approximate capacities. The actual refill capacities may be slightly different. When refilling, follow the procedure described in the "Do-it-yourself" section to determine the proper refill capacity. ...