Nissan Sentra manuals

Nissan Sentra Service Manual: Bcm branch line circuit

Diagnosis 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?


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.

Is the inspection result normal? Yes (present error)>>replace the bcm. Refer to the following.

Yes (past error)>>error was detected in the bcm branch line.

No >> repair the power supply and the ground circuit.

Strg 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 steering angle sensor fo ...

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:

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

AIR Breather hose
Exploded View Harness bracket Clip Air breather hose Vehicle front Always replace after every disassembly. Removal and Installation REMOVAL Remove clips from harness bracket Remove air breather hose from transaxle assembly. INSTALLATION Installation is in the revers ...

Charging system
System Diagram System Description The generator provides DC voltage to operate the vehicle's electrical system and to keep the battery charged. The voltage output is controlled by the IC regulator. Component Description ...

© 2014-2025 Copyright www.nisentra.com