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.

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Other materials:

Preparation
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Manual operation
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When the satellite radio is used for the first time or the battery has been replaced, the satellite radio may not work properly. This is not a malfunction. Wait more than 10 minutes with satellite radio ON and the vehicle outside of any metal or large building for satellite radio to receive a ...

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