Nissan Altima (L32) 2007-2012 Service Manual ≻ Security control system sedan without intelligent key ≻ Component diagnosis ≻ B2619 BCM

Nissan Altima (L32) 2007-2012 Service Manual: B2619 BCM

Description

BCM requests IPDM E/R to supply power to steering lock unit. After receiving the power, the steering lock unit transmits an ON signal to BCM.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.

- CVT selector lever is in the P position

- Do not depress brake pedal

2. Check “Self diagnostic result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-498, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.INSPECTION START

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT-III.

3. Touch “ERASE”.

4. Perform DTC Confirmation Procedure.

See SEC-498, "DTC Logic".

Is the DTC B2619 displayed again? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".

NO >> Inspection End.

B2617 starter relay circuit

Description Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition switch is in START position. IPDM E/R transmits the starter relay ON signal ...

B261A push-button ignition switch

Description IPDM E/R transmits the push-button ignition switch status via CAN communication to BCM. BCM receives push-button ignition switch status by hardwire input. BCM compares the 2 signals ...

Other materials:

Brake system
The brake system has two separate hydraulic circuits. If one circuit malfunctions, you will still have braking at two wheels. Brake precautions Vacuum assisted brakes The brake booster aids braking by using engine vacuum. If the engine stops, you can stop the vehicle by depressing the brake pedal. H ...

Difference between predicted and actual distances
The displayed guidelines and their locations on the ground are for approximate reference only. Objects on uphill or downhill surfaces or projecting objects will be actually located at distances different from those displayed in the monitor relative to the guidelines (refer to illustrations). When in ...

Power steering
WARNING If the engine is not running or is turned off while driving, the power assist for the steering will not work. Steering will be harder to operate. When the power steering warning light illuminates with the engine running, there will be no power assist for the steering. You will still ...