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:
Audio unit (sedan)
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram — Sedan
...
Audio unit
Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> If fuse is blown, be sure to eliminate cause of malfunction before
installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M43.
...
Clutch disc and clutch cover
Exploded View
1. Flywheel
2. Clutch disc
3. Clutch cover
1. Flywheel
2. Clutch disc *1, *2
3. Clutch cover
A. First step
B. Final Step
Apply lithium-based grease
including molybdenum disulphide
*1. Do not clean in solvent. *2. When installing, be careful that grease
applied to in ...