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.

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 dama ...

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:

Spark plug
Exploded View Ignition coil Spark plug Rocker cover Removal and Installation REMOVAL Remove engine cover. Refer to EM-24, "Exploded View". Remove ignition coil. Refer to EM-46, "Exploded View". Remove spark plug using suitable tool. (a) : 14 mm (0.55 in ...

Periodic maintenance
In-cabin microfilter Exploded View Removal and Installation REMOVAL Remove the in-cabin microfilter cover. CAUTION: Before removing the in-cabin micofilter cover, let the vehicle rest for at least 30 minutes. Release the filter cover tab (A), then pull the bottom of the in-cabi ...

System description
Component parts Component parts location Instrument lower finisher Component description Eco mode switch The ECO mode switch is installed to the instrument lower finisher. When the eco mode indicator lamp on the combination meter is off and the eco mode switch is pressed, t ...

В© 2014-2026 Copyright b17.nisentra.com