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:
B260B steering lock unit
Description
The electronic steering column lock performs the check by itself according to
the steering status.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch, when steering is locked.
2. Check “S ...
P2101 electric throttle control
function
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the
throttle valve.
The current opening angle of the throttle valve is detected by the throttle
po ...
Both side front fog lamps are not
turned on
Description
The front fog lamps do not turn ON in any setting.
Diagnosis Procedure
1.COMBINATION SWITCH INSPECTION
Check the combination switch. Refer to BCS-10, "System Description".
Is the combination switch normal?
YES >> GO TO 2
NO >> Repair or replace the malfunc ...