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:

Component parts
Component parts location Generator IPDM E/R (view with air inlet duct removed) ECM Battery current sensor Charge warning lamp indicator Component description Component part Description Generator (IC regulator) The IC regulator controls the power generation ...

Tow Truck Towing
NISSAN recommends that vehicle be towed with driving (front) wheels off the ground or that a dolly be used. CVT: Continuously Variable Transmission M/T: Manual transmission CAUTION: All applicable state or Provincial laws and local laws regarding the towing operation must be ...

Service equipment
RECOVERY/RECYCLING RECHARGING EQUIPMENT Be certain to follow the manufacturer’s instructions for machine operation and machine maintenance. Do not introduce any refrigerant other than that specified into the machine. ELECTRICAL LEAK DETECTOR Be certain to follow the manufacturer’s ...

© 2014-2025 Copyright www.nisentra.com