Nissan Altima 2007-2012 Service Manual: B2013 ID discord, immu-strg

Description

BCM performs the ID verification with the steering lock unit and releases the steering lock if both BCM and steering lock unit ID are same. BCM starts the communication with the steering lock unit when keyfob is carried into the passenger compartment and the push-button ignition switch is pressed.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Lock steering.

2. Press the push-button ignition switch.

3. Check “Self Diagnostic Result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-435, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all keyfobs.

For initialization and registration of keyfob, refer to “CONSULT-III Operation Manual”.

Can the system be initialized and can steering lock be released with re-registered keyfob? YES >> Steering lock unit was unregistered.

NO >> Replace steering wheel lock unit.

    U1010 control unit (can)
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. REPLACE BCM When DTC U1010 is detected, replace BCM. >> Replace BCM. Refer to BCS-96, "Removal and Installation". ...

    B2014 chain of strg-immu
    Description BCM performs the ID verification with the steering lock unit to release the steering. BCM starts the communication with the steering lock unit when keyfob is carried into the passenge ...

    Other materials:

    The low washer fluid warning continues displaying, or does not display
    Description • The warning is still displayed even after washer fluid is added. • The warning is not displayed even though the washer tank is empty. Diagnosis Procedure 1.CHECK WASHER LEVEL SWITCH SIGNAL CIRCUIT Check the washer level switch signal circuit. Refer to MWI-51, "Diagnosi ...

    On-vehicle maintenance
    FUEL SYSTEM Inspection Inspect fuel lines, fuel filler cap and fuel tank for improper attachment, leaks, cracks, damage, loose connections, chafing or deterioration. If necessary, repair or replace damaged parts. Quick Connector CAUTION: • After connecting fuel tube quick connectors, m ...

    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 inspec ...