Nissan Sentra manuals

Nissan Sentra Service Manual: AV 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 av control unit 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 AV control unit.
  2. Check the resistance between the av control unit harness connector terminals.


Is the measurement value within the specification?


Is the measurement value within the specification? Yes >> go to 3.

No >> repair the av control unit branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the av control unit. Refer to the following.

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

Yes (past error)>>error was detected in the av control unit 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 for ...

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 ...

Other materials:

Wiring diagram
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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 > ...

Before starting the engine
Make sure the area around the vehicle is clear. Check fluid levels such as engine oil, coolant, brake and clutch fluid(if so equipped), and windshield-washer fluid as frequently as possible, or at least whenever you refuel. Check that all windows and lights are clean. Visually inspe ...

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