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:

B14XX Air bag diagnosis sensor unit
Description DTC B14XX AIR BAG DIAGNOSIS SENSOR UNIT The air bag diagnosis sensor unit will run self diagnostics when the ignition switch is turned ON. It has the potential to set many diagnostic trouble codes which will conform to the B14XX format, but will not match any other SRS diagnosti ...

Dlc 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 data link connector for damage, bend and loose connection (connector side and harness side). Is the inspection resul ...

P0112, P0113 IAT Sensor
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0112 IAT SEN/CIRCUIT- B1 (Intake air temperature sensor 1 circuit low bank 1) An excessively low voltage from the intake air tem ...

В© 2014-2026 Copyright b17.nisentra.com