Steering Wheel Turning Force Is Heavy Or Light

STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT

Description

Steering wheel turning force is heavy or light.


Diagnosis Procedure


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- GO TO 4.
NO- GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
1.Turn the ignition switch OFF to ON.
2.Perform EPS control unit self-diagnosis.
Is any DTC detected?
YES- Check the DTC. Testing and Inspection.
NO- GO TO 3.

3. CHECK EPS CONTROL UNIT SIGNAL

With CONSULT
1.Start the engine.

CAUTION:
Stop the vehicle.
2.Turn steering wheel from full left stop to full right stop.
3.Select "TORQUE SENSOR" of "DATA MONITOR" for EPS control unit.





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK EPS MOTOR

Perform the trouble diagnosis of EPS motor. C1606.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace the specific malfunctioning part.

5. CHECK STEERING WHEEL TURNING FORCE

Check the steering wheel turning force. Component Tests and General Diagnostics.
Is the inspection result normal?
YES- Inspection End
NO- Check the steering wheel turning force for mechanical malfunction. Component Tests and General Diagnostics.