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
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 ...
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 ...
Other materials: I-FCW system limitations
Illustration A
Illustration B
WARNING
Listed below are the system limitations
for the I-FCW system. Failure to operate
the vehicle in accordance with these
system limitations could result in serious
injury or death.
The I-FCW system cannot detect all
vehicles under all conditions.
The radar se ...
Car phone or CB radio
When installing a CB, ham radio or car
phone in your vehicle, be sure to observe
the following precautions; otherwise, the
new equipment may adversely affect the
engine control system and other electronic
parts.
WARNING
A cellular phone should not be used
for any purpose while driving so full
at ...
Air conditioner operation
Start the engine, turn thefan
speed
control dial to the desired position, and
press thebutton to activate the air
conditioner. When the air conditioner is on,
cooling and dehumidifying functions are
added to the heater operation.
The air conditioner cooling function operates
only when the engine i ...