Nissan Altima 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:

    High-pressure flexible hose
    Removal and Installation for High-Pressure Flexible Hose QR25DE Removal 1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service Procedure". 2. Reposition the power steering reservoir out of the way without disconnecting the hose. 3. Reposition the engine coo ...

    On-vehicle maintenance
    ENGINE COOLANT System Inspection • Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure fluid escaping from the radiator. • Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pressure to escap ...

    S connector circuit
    Description The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P or N position (CVT models) or the clutch pedal is fully depressed (M/T models). Diagnosis Procedure CAUTION: Perform diagnosis ...