Nissan Sentra Service Manual: BCM branch line circuit
Diagnosis procedure
1.Check connector
- Turn the ignition switch off.
- Disconnect the battery cable from the negative terminal.
- 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
- Disconnect the connector of bcm.
- Check the resistance between the bcm harness connector terminals.
- Without intelligent key system
- With Intelligent Key system
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 the following.
- With intelligent key system: refer to bcs-67, "diagnosis procedure".
- Without intelligent key system: refer to bcs-120, "diagnosis procedure".
Is the inspection result normal? Yes (present error)>>replace the bcm. Refer to the following.
- With Intelligent Key system: Refer to BCS-73, "Removal and Installation".
- Without intelligent key system: refer to bcs-126, "removal and installation".
Yes (past error)>>error was detected in the bcm branch line.
No >> repair the power supply and the ground circuit.
Hvac branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the a/c auto amp. For damage ...
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication syste ...
Other materials:
System description
Component parts
Component parts location
Instrument lower finisher
Component description
Eco mode switch
The ECO mode switch is installed to the instrument lower finisher.
When the eco mode indicator lamp on the combination meter is
off and the eco mode switch is pressed, t ...
Wiring diagram
Power steering control system
Wiring Diagram
...
Vehicle Recovery (Freeing a Stuck Vehicle)
Front
Remove the hook cover from the bumper using a remover tool.
Securely install the vehicle recovery hook stored with jacking
tools.
Check that the hook is properly secured in the stored place after use.
WARNING:
Stand clear of a stuck vehicle.
Do not spin your tires at high s ...
