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:

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 result ...

B0020 Side airbag module LH
Description DTC B0020 FRONT LH SIDE AIR BAG MODULE The front LH side air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the front LH side air bag module. PART LOCATION Refer to SRC-5, " ...

P0451 EVAP Control system pressure sensor
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0451 EVAP SYS PRES SEN (Evaporative emission system pressure sensor/switch range/ performance) ECM detects a sloshing signal fro ...

В© 2014-2025 Copyright www.nisentra.com