Nissan Altima 2007-2012 Service Manual: B2191, P1615 Difference of key

Description

Performs ID verification through BCM and keyfob when push-button ignition switch is pressed.

Prohibits the release of steering lock or start of engine when an unregistered ID of keyfob is used.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch.

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

Is DTC detected? YES >> Refer to SEC-458, "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 the engine be started with re-registered keyfob? YES >> Keyfob was unregistered.

NO >> BCM is malfunctioning.

• Replace BCM. Refer to BCS-96, "Removal and Installation".

• Perform initialization again.

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