Unbalance Steering Wheel Turning Force (Torque Variation)

UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)

Description

- Hard steering when fully turning the steering wheel.
- Light steering when driving at a high speed.


Diagnosis Procedure


1. CHECK SYSTEM FOR POWER SUPPLY AND GROUND

Perform trouble diagnosis for power supply and ground. Refer to "Diagnosis Procedure" Power Supply and Ground Circuit.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. CHECK SYSTEM FOR VEHICLE SPEED SIGNAL

Perform trouble diagnosis for vehicle speed signal. Refer to "Diagnosis Procedure" Vehicle Speed Signal Circuit.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts.

3. CHECK SYSTEM FOR ENGINE SPEED SIGNAL

Perform trouble diagnosis for engine speed signal. Refer to "Diagnosis Procedure" Engine Speed Signal Circuit.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace error-detected parts.

4. CHECK SYSTEM FOR POWER STEERING SOLENOID VALVE

Perform trouble diagnosis for power steering solenoid valve. Refer to "Diagnosis Procedure" Power Steering Solenoid Valve.
Is the inspection result normal?
YES- Perform the symptom diagnosis for the steering system. Refer to "NVH Troubleshooting Chart" Noise, Vibration and Harshness (NVH) Troubleshooting.
NO- Repair or replace error-detected parts.