Nissan Versa

 Sedan Service Manual

Steering » Steering control system (STC)
EPS Warning lamp

Component Function Check

1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP

Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns OFF after the engine is started.

Is the inspection result normal?

YES >> Inspection End.

NO >> Perform trouble diagnosis. Refer to STC "Diagnosis Procedure".

Diagnosis Procedure

1.PERFORM SELF-DIAGNOSIS

With CONSULT

1. Turn the ignition switch OFF to ON.
2. Perform "EPS" self-diagnosis.

Is any DTC detected?

YES >> Check the DTC. Refer to STC "DTC Index".

NO >> GO TO 2.

2.CHECK EPS WARNING LAMP SIGNAL

With CONSULT

1. Turn the ignition switch ON.

   CAUTION: Never start the engine.

2. Select "DATA MONITOR" of "EPS" and select "WARNING LAMP".
3. Check that the EPS warning lamp is turned ON.
4. Start the engine.

   CAUTION: Never drive the vehicle.

5. Check that the EPS warning lamp is turned OFF.

Is the inspection result normal?

YES >> Perform the trouble diagnosis for combination meter power supply circuit. Refer to MWI "COMBINATION METER : Diagnosis Procedure" (Type A) or MWI "COMBINATION METER : Diagnosis Procedure" (Type B).

NO >> Replace the EPS control unit. Refer to STC "Removal and Installation".

SYMPTOM DIAGNOSIS

EPS WARNING LAMP DOES NOT TURN ON

Description

EPS warning lamp does not turn ON when turning ignition switch ON from OFF. (Check the illumination of the EPS warning lamp.)

Diagnosis Procedure

1.CHECK EPS WARNING LAMP

Perform the trouble diagnosis of EPS warning lamp. Refer to STC "Diagnosis Procedure".

Is the inspection result normal?

YES >> Check that there is no malfunction in each harness connector pin terminal or disconnection.

NO >> Repair or replace the malfunctioning component.

Precautions

EPS System

Diagnosis system (EPS control unit)

EPS control unit

Diagnosis and repair workflow

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