Nissan Versa

 Sedan Service Manual

Steering » Steering control system (STC) » C1606 EPS Motor
Diagnosis Procedure

1.CHECK EPS MOTOR

Check the EPS motor. Refer to STC "Component Inspection".

Is the inspection result normal?

YES >> GO TO 2.

NO >> EPS motor is malfunction. Replace steering column assembly. Refer to ST"Removal and Installation".

2.CHECK CONNECTOR

1. Turn ignition switch OFF.
2. Disconnect EPS motor harness connector.
3. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.

Is the inspection result normal?

YES >> Replace EPS control unit. Refer to STC, "Removal and Installation".

NO >> Repair or replace malfunctioning component.

Component Inspection

1.CHECK EPS MOTOR

1. Turn the ignition switch OFF.
2. Disconnect EPS motor harness connector.
3. Check resistance between EPS motor connector terminals.       

Is the inspection result normal?

YES >> Inspection End.

NO >> EPS motor is malfunctioning. Replace steering column assembly. Refer to ST "Removal and Installation".

DTC Logic

Diagnosis Procedure