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:
Power generation voltage variable
control system operation inspection
Inspection Procedure
CAUTION:
When performing this inspection, always use a charged battery that has completed
the battery inspection.
(When the charging rate of the battery is low, the response speed of the voltage
change will
become slow. This can cause an incorrect inspection.)
1.CHECK ...
NISSAN Intelligent Key® battery discharge
If the battery of the NISSAN Intelligent Key® is
discharged, or environmental conditions interfere
with the Intelligent Key operation, start the engine
according to the following procedure:
1. Place the shift lever in the P (Park) position.
2. Firmly apply the foot brake.
3. Touch the ignit ...
Can communication
System Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and ...