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.

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:

Satellite radio reception (if so equipped)
When the satellite radio is used for the first time or the battery has been replaced, the satellite radio may not work properly. This is not a malfunction. Wait more than 10 minutes with satellite radio ON and the vehicle outside of any metal or large building for satellite radio to receive a ...

Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW CUSTOMER Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred. >> GO TO 2. 2.SYMPTOM CHECK Verify symptoms. ...

Front door glass
Removal and Installation REMOVAL WARNING: Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least three minutes. Do not use air tools or electric tools for servicing. NOTE: LH front door panel shown; RH side similar Disconnect the battery ...

В© 2014-2025 Copyright www.nisentra.com