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:

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

Service data and specifications (SDS)
Wheel Alignment (Unladen*1) *1: Fuel, engine coolant, and lubricants are full. Spare tire, jack, hand tools, and mats are in designated positions. *2: Since an adjustment mechanism is not included, the value of the left and right wheels (both wheels) must be used as the standard value. ...

Headlamp
Aiming adjustment Preparation before adjusting Before performing aiming adjustment, check the following: Ensure all tires are inflated to correct pressure. Place vehicle and screen on level surface. Ensure there is no load in vehicle other than the driver (or equivalent weight placed in ...

© 2014-2025 Copyright www.nisentra.com