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-67, "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 >> Intelligent Key was unregistered.
NO >> BCM is malfunctioning.
• Replace BCM. Refer to BCS-96, "Removal and Installation".
• Perform initialization again.
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 s ...
Other materials:
USB interface (models without Navigation System) (if so equipped)
Connecting a device to the USB input
jack
WARNING
Do not connect/disconnect or operate the
USB device while driving. Doing so can be
a distraction. If distracted you could lose
control of your vehicle and cause an accident
or serious injury.
CAUTION
● Do not force the USB device int ...
P0420, P0430 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
Ambient sensor signal circuit
Description
Transmits the ambient sensor signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Using “OUTSIDE TEMP” on “DATA MONITOR”, compare the value of DATA MONITOR
with temperature
display ...