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: Manual anti-glare rearview mirror
(if so equipped)
Use the night position 1 to reduce glare
from the headlights of vehicles behind you
at night.
Use the day position 2 when driving in
daylight hours.
WARNING
Use the night position only when necessary,
because it reduces rear view
clarity.
Automatic anti-glare rearview mirror
(if so equipped)
The ...
Continuously Variable Transmission
(CVT)
WARNING
Do not depress the accelerator pedal
while shifting from P (Park) or N (Neutral)
to R (Reverse), D (Drive), L (Low) or
manual shift mode (if so equipped).
Always depress the brake pedal until
shifting is completed. Failure to do so
could cause you to lose control and
have an acciden ...
Forward-facing child restraint
installation using LATCH
For additional information, see all Warnings
and Cautions in "Child safety" and
"Child restraints" before installing a
child restraint.
Do not use the lower anchors if the combined
weight of the child and the child restraint
exceeds 65 lbs. (29.5 kg). If the combined
weight of the child and the chi ...