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
...