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-36, "DTC Logic".

• If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-37, "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-68, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all Intelligent Keys.

For initialization and registration of Intelligent Key. Refer to CONSULT-III Operation Manual.

Can the system be initialized and can the engine be started with re-registered Intelligent Key? 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 Intelligent Key when push-button ignition switch is pressed. Prohibits the release of steering lock or start of engine when an unregistered ...

    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:

    Combination meter
    Reference Value TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram - Coupe Wiring Diagram - Sedan Fail Safe The combination meter performs a fail-safe operation for the functions listed below when communication is lost ...

    Symptom diagnosis
    SQUEAK AND RATTLE TROUBLE DIAGNOSES Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any customer' ...

    Audio unit (coupe)
    Reference Value TERMINAL LAYOUT PHYSICAL VALUES - WITH BLUETOOTH PHYSICAL VALUES - WITHOUT BLUETOOTH Wiring Diagram - Coupe ...