Nissan Altima (L32) 2007-2012 Service Manual: 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 starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
SEC-433, "DTC Logic".
• If DTC B2193 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 brake pedal.
2. Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES >> Refer to SEC-460, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.REPLACE BCM
1. Replace BCM. Refer to BCS-96, "Removal and Installation".
2. Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual.
Does the engine start?
YES >> BCM is malfunctioning.
• Replace BCM. Refer to BCS-96, "Removal and Installation".
• Perform initialization again.
NO >> ECM is malfunctioning.
• Replace ECM.
• Perform ECM re-communicating function.
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 ...
Description
BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF
status. BCM confirms the
engine start condition according to the stop lamp switch ON/OFF status.
DTC Logic
...
Other materials: Precautions on seat belt usage
If you are wearing your seat belt properly
adjusted and you are sitting upright and
well back in your seat with both feet on the
floor, your chances of being injured or killed
in a collision and/or the severity of injury
may be greatly reduced. NISSAN strongly
encourages you and all of your passeng ...
Seat belt warning light and chime
The driver and front passenger seat is
equipped with an enhanced seat belt reminder
function.
A visual and audible alert will operate at
speeds of approximately 9 mph (15 km/h)
or more under the following conditions:
If the driver seat belt is not fastened.
The front passenger’s seat belt is ...
Rear window and outside mirror
(if so equipped) defroster switch
To defrost the rear window glass and outside
mirrors (if so equipped), place the ignition
switch in the ON position and push the
rear window defroster switch on. The rear
window defroster indicator light on the
switch comes on. Push the switch again to
turn the defroster off.
The rear window defro ...