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:

Seat belt buckle switch signal circuit
Description Transmits a seat belt buckle switch lh (driver seat) signal to the combination meter Component function check 1. Check combination meter input signal Select data monitor for meter/m&a and check the buckle sw monitor value. YES >> Inspection End. NO >> Refe ...

Under cover
Front under cover Front under cover : removal and installation REMOVAL Remove front side of front fender protector (LH/RH). Refer to EXT-28, "FENDER PROTECTOR : Removal and Installation - Front Fender Protector". Remove engine under cover. EXT-31, "ENGINE UNDER COVER : Re ...

Periodic maintenance
M/T OIL Inspection OIL LEAKAGE Make sure that gear oil is not leaking from transaxle or around it. OIL LEVEL Remove filler plug (1) and gasket from transaxle case. Check the oil level from filler plug mounting hole as shown. CAUTION: Do not start engine while checking oil level. Se ...

В© 2014-2026 Copyright www.nisentra.com