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:

Headlights
Replacing the halogen headlight bulb The headlight is a semi-sealed beam type which uses a replaceable headlight (halogen) bulb. Because the headlight assembly must be removed from the vehicle for bulb replacement, see your NISSAN dealer. CAUTION Aiming is not necessary after replacing t ...

Diagnosis description : driving pattern
DRIVING PATTERN A Driving pattern A means a trip satisfying the following conditions. Engine speed reaches 400 rpm or more. Engine coolant temperature rises by 20В°C (36В°F) or more after starting the engine. Engine coolant temperature reaches 70В°C (158В°F) or more. The igniti ...

Basic inspection
Inspection and adjustment Additional service when replacing control unit (bcm) ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Description Before replacement When replacing bcm, save or print current vehicle specification with consult configuration before replacement. Note: If “B ...

© 2014-2021 Copyright www.nisentra.com