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: How to use the vehicle information
display
The vehicle information display can be
changed using the ,
, and OK buttons located on the
steering
wheel.
- Use these buttons
to navigate the vehicle information
display.
OK - Change or select an item in the
vehicle information display.
- Returns to the previous
menu.
The OK, a ...
Rear-facing child restraint installation
using the seat belts
WARNING
The three-point seat belt with Automatic
Locking Retractor (ALR) must be
used when installing a child restraint.
Failure to use the ALR mode will result
in the child restraint not being properly
secured. The restraint could tip over or
be loose and cause injury to a child in a
sudden stop o ...
Supplemental air bag warning labels
Warning labels about the supplemental
front-impact air bag system are placed in
the vehicle as shown in the illustration.
WARNING
Do not use a rear-facing child restraint
on a seat protected by an air bag in
front of it. If the air bag deploys, it may
cause serious injury or death.
Supplemental air ...