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:

Main power window and door lock/ unlock switch
Removal and Installation REMOVAL Release the pawls using a suitable tool and lift the main power window and door lock/unlock switch and finisher as an assembly and remove. Disconnect the harness connector from the main power window and door lock/unlock switch. Release the four pawls ...

Service
Never use electrical test equipment to check SRS circuits unless instructed to in this Service Manual. Before servicing the SRS, turn power switch OFF, disconnect battery negative terminal and wait 3 minutes or more. For approximately 3 minutes after the cables are removed, it is stil ...

Tire pressure
Tire Pressure Monitoring System (TPMS) This vehicle is equipped with the Tire Pressure Monitoring System (TPMS). It monitors tire pressure of all tires except the spare. When the low tire pressure warning light is lit and the CHECK TIRE PRES warning is displayed in the odometer, one or more ...

В© 2014-2025 Copyright www.nisentra.com