Nissan Sentra manuals

Nissan Sentra Service Manual: Tcm 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 following terminals and connectors 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 tcm.
  2. Check the resistance between the tcm harness connector terminals.

Is the measurement value within the specification?


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

No >> repair the tcm branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the TCM. Refer to TM-234, "Diagnosis Procedure".

Is the inspection result normal? YES (Present error)>>Replace the TCM. Refer to the TM-263, "Removal and Installation".

YES (Past error)>>Error was detected in the TCM branch line.

NO >> Repair the power supply and the ground circuit.

Ipdm-e 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 ipdm e/r for damage, ben ...

A-bag branch line circuit
Diagnosis procedure Warning: Always observe the following items for preventing accidental activation. Before servicing, turn ignition switch off, disconnect battery negative terminal, and w ...

Other materials:

Windshield wiper and washer switch
Switch operation Type A Type B The windshield wiper and washer operates when the ignition switch is placed in the ON position. Push the lever down to operate the wiper at the following speed: Intermittent (INT) — intermittent operation can be adjusted by turning the knob A . Lo ...

Garage Jack and Safety Stand and 2-Pole Lift
WARNING: Park the vehicle on a level surface when using the jack. Make sure to avoid damaging pipes, tubes, etc. under the vehicle. Never get under the vehicle while it is supported only by the jack. Always use safety stands when you have to get under the vehicle. Place wheel chock ...

Basic inspection
Diagnosis and repair workflow Trouble diagnosis flow chart Trouble diagnosis procedure Interview with customer Interview with the customer is important to detect the root cause of can communication system errors and to understand vehicle condition and symptoms for proper trouble diagnosi ...

© 2014-2025 Copyright www.nisentra.com