Nissan Altima 2007-2012 Service Manual: B2192, P1611 ID discord, immu-ecm

Description

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.

ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".

• If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-434, "DTC Logic".

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions: - CVT selector lever is in the P or N position.

- Do not depress the brake pedal.

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

Is DTC detected? YES >> Refer to SEC-459, "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 >> ID was unregistered.

NO >> BCM is malfunctioning.

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

• Perform initialization again.

• Replace ECM.

    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 k ...

    B2193, P1612 chain of ECM-IMMU
    Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM s ...

    Other materials:

    Precaution
    Supplemental Restraint System (SRS) "AIR B AG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front ...

    P0452 Evap control system pressure sensor
    Description The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously condu ...

    Service data and specifications (SDS)
    General Specification CAUTION: • Use only Genuine NISSAN CVT Fluid NS-2. Do not mix with other fluid. • Using CVT fluid other than Genuine NISSAN CVT Fluid NS-2 will deteriorate in driveability and CVT durability, and may damage the CVT, which is not covered by the warranty. *1: Refe ...