Nissan Sentra manuals

Nissan Sentra Service Manual: Ecm 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 terminals and connectors of the ECM 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 ecm.
  2. Check the resistance between the ecm harness connector terminals.

Is the measurement value within the specification?


Is the measurement value within the specification? Yes >> go to 3.

No >> repair the ecm branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the ecm. Refer to ec-164, "diagnosis procedure".

Is the inspection result normal? Yes (present error)>>replace the ecm. Refer to ec-485, "removal and installation".

Yes (past error)>>error was detected in the ecm branch line.

No >> repair the power supply and the ground circuit.

Main line between dlc and hvac circuit
Diagnosis procedure 1.Check harness continuity (open circuit) Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Disconnect the following harness connector ...

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Other materials:

Front manual seat adjustment
Forward and backward Pull the center of the bar up and hold it while you slide the seat forward or backward to the desired position. Release the bar to lock the seat in position. Reclining To recline the seatback, pull the lever up and lean back. To bring the seatback forward, pull the ...

Inside mirror
Exploded view Manual mirror Windshield glass Inside mirror base Inside mirror assembly Auto anti-dazzle mirror Windshield glass Inside mirror base Harness connector Mirror screw Inside mirror assembly Inside mirror cover Removal and installation Manual mirror ...

Fuel efficient driving tips
Follow these easy-to-use Fuel Efficient Driving Tips to help you achieve the most fuel economy from your vehicle. Use Smooth Accelerator and Brake Pedal Application Avoid rapid starts and stops Use smooth, gentle accelerator and brake application whenever possible Maintain consta ...

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