Nissan Altima (L32) 2007-2012 Service Manual: BCM branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the BCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-42,
"Diagnosis Procedure".
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to BCS-96, "Removal and
Installation".
YES (Past error)>>Error was detected in the BCM branch line.
NO >> Repair the power supply and the ground circuit.
Diagnosis Procedure
1.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to SRC-3, "Work Flow".
Is the inspection result normal?
YES >> Replace t ...
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors o ...
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The oil control system can be accessed in
the Maintenance portion of the vehicle information
display settings.
Engine oil information informs the distance
to oil change. Never exceed one year or
7,500 miles (12000 km) between oil change
intervals for the 2.0L 4 cylinder (KR20DDET
engine model) or 1 ...
LATCH (Lower Anchors and Tethers for
CHildren) system
LATCH system anchor locations
Your vehicle is equipped with special anchor
points that are used with LATCH system
compatible child restraints. This system
may also be referred to as the ISOFIX
or ISOFIX compatible system. With this system,
you do not have to use a vehicle seat
belt to secure the ch ...
Vehicle information display warnings
and indicators
The following messages may appear in
your vehicle information display.
Engine start operation for
Intelligent Key system (if
I-Key battery level is low)
This indicator appears when the battery of
the Intelligent Key is low and when the Intelligent
Key system and the vehicle are not
communicating no ...