Nissan Sentra manuals

Nissan Sentra Service Manual: Hvac 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 a/c auto amp. 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 a/c auto amp.
  2. Check the resistance between the a/c auto amp. Harness connector terminals.

Is the measurement value within the specification?


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

No >> repair the a/c auto amp. Branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the a/c auto amp. Refer to hac-83, "a/c auto amp. : Diagnosis procedure".

Is the inspection result normal? Yes (present error)>>replace the a/c auto amp. Refer to hac-105, "removal and installation".

Yes (past error)>>error was detected in the a/c auto amp. 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 ...

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:

ECU diagnosis information
EPS control unit Reference Value VALUES ON THE DIAGNOSIS TOOL The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. CAUTION: The output signal indicates the EPS control unit calcula ...

Precautions on child restraints
WARNING Failure to follow the warnings and instructions for proper use and installation of child restraints could result in serious injury or death of a child or other passengers in a sudden stop or collision: The child restraint must be used and ...

Windshield glass
Exploded View Windshield glass molding Spacer Rubber dam Windshield glass Windshield insulator Front pillar finisher Instrument panel Cowl top cover Roof panel Cowl top Body side outer Headlining Adhesive 12 +2.0 mm (0.5 +0.08 in) 7 +2.0 mm (0.3 +0.08 in) ...

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