Nissan Sentra manuals

Nissan Sentra Service Manual: Eps 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 eps control unit 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 eps control unit.
  2. Check the resistance between the EPS control unit harness connector terminals.

Is the measurement value within the specification?


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

No >> repair the eps control unit branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the EPS control unit. Refer to STC-22, "Diagnosis Procedure".

Is the inspection result normal? YES (Present error)>>Replace the EPS control unit. Refer to STC-39, "Removal and Installation".

YES (Past error)>>Error was detected in the EPS control unit branch line.

NO >> Repair the power supply and the ground circuit.

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Other materials:

Handling precautions for plastics
Precautions for plastics When repairing and painting a portion of the body adjacent to plastic parts, consider their characteristics (influence of heat and solvent) and remove them if necessary or take suitable measures to protect them. Plastic parts should be repaired and painted ...

Basic inspection
Diagnosis and repair workflow Work flow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW FOR MALFUNCTION Find out what the customer's concerns are. >> GO TO 2. 2.SYMPTOM CHECK Verify the symptom from the customer's information. >> GO TO 3. 3.BASIC INSPECTION Check the operat ...

Removal and installation
Av control unit Exploded view AV control unit Av control unit bracket (lh) AV control unit bracket (RH) Removal and installation Removal Caution: Remove battery terminal and av control unit after a lapse of 30 seconds or more after turning the ignition switch off. Before ...

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