Nissan Altima 2007-2012 Service Manual: 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 ID of Intelligent Key is used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch.
2. Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-266, "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.
B2190, P1610 nats antenna AMP
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
...
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 st ...
Other materials:
Satellite radio antenna
Removal and Installation
REMOVAL
1. Lower the headliner at the rear. Refer to INT-20, "Removal and
Installation" (coupe) and INT-42,
"Removal and Installation" (sedan).
2. Remove the satellite radio antenna nut (A), then disconnect the
satellite radio antenna connector ...
P0603 ECM Power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMAT ...
P2118 throttle control motor
Description
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
position sensor and it provides feedback
to the ECM to control the throttle control motor to make the throttl ...