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.

Dlc 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 data link connector for ...

M&a 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 combination meter for da ...

Other materials:

NISSAN Intelligent Key® (if so equipped)
Your vehicle can only be driven with the Intelligent Keys which are registered to your vehicle’s Intelligent Key components and NISSAN Vehicle Immobilizer System components. Never leave these keys in the vehicle. As many as 4 Intelligent Keys can be registered and used with one vehicle. The ...

Moonroof unit assembly
Inspection WIND DEFLECTOR Open glass lid fully Visually check for proper installation, damaged/deteriorated components, or foreign objects within mechanism. Correct as required for smooth operation. Check for grease at the wind deflector arm (1) and pivot areas. If necessary, apply ...

Diagnosis description : permanent diagnostic trouble code (permanent DTC)
Permanent DTC is defined in SAE J1979/ISO 15031-5 Service $0A. ECM stores a DTC issuing a command of turning on MIL as a permanent DTC and keeps storing the DTC as a permanent DTC until ECM judges that there is no presence of malfunction. Permanent DTCs cannot be erased by using the erase f ...

© 2014-2025 Copyright www.nisentra.com