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.

AV 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 av control unit for damag ...

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:

Air cleaner filter
Exploded View Mass air flow sensor Mass air flow gasket Clamp Air duct (suction side) Resonator Clamp PCV hose Clamp Clamp Air cleaner cover Mounting rubber Air cleaner filter Air cleaner body Air duct inlet (lower) Air duct inlet (upper) Grommet Bracket Gro ...

Front bumper
Exploded view Grommet Front bumper side bracket (RH) Front under cover Front air spoiler Front bumper reinforcement Front energy absorber Front fog lamp (RH) (if equipped) Front bumper lower grille Front bumper fascia finisher (RH) (if equipped) Front fog lamp finisher (R ...

Diagnosis system (ipdm e/r) (with intelligent key system)
Diagnosis description Auto active test Description In auto active test, the IPDM E/R sends a drive signal to the following systems to check their operation. Front wiper (lo, hi) Parking lamp License plate lamp Tail lamp Front fog lamp (if equipped) Headlamp (LO, HI) A/C compress ...

В© 2014-2025 Copyright www.nisentra.com