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:

Glass lid
Exploded view Glass lid Roof panel Front Removal and installation Removal Caution: After installing glass lid, check gap/height adjustments and operation to make sure there is no malfunction. Handle glass lid with care to prevent damage. Open sunshade (1), then close ...

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 damage, bend and loose connection (unit side and connector side). Is the inspection result norma ...

Basic inspection
Diagnosis and repair work flow Work flow Detailed flow 1.Obtain information about symptom Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurs. >> GO TO 2. 2.Check symptom Check the symptom based ...

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