POWER STEERING SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Power Steering System
Symptom	Suspected Area	See page
Heavy steering	Front tires (improperly inflated, unevenly worn)	Click here
	Front wheel alignment (incorrect)	Click here
	Front lower suspension arm (lower ball joint)	Click here
	Steering column assembly	Click here
	Battery and power source system	-
	Power source voltage of steering column assembly (Power steering ECU)	Click here
Steering effort differs between right and left, or steering effort is uneven.	Front tires (improperly inflated, unevenly worn)	Click here
	Front wheel alignment (incorrect)	Click here
	Front lower suspension arm (lower ball joint)	Click here
	Steering gear	Click here
	Steering column assembly	Click here
While driving, steering effort does not change in accordance with vehicle speed or the steering wheel does not return properly.	Front lower suspension arm (lower ball joint)	Click here
	Steering column assembly	Click here
A knocking (or cranking) sound occurs when turning the steering wheel back and forth while power steering is in operation.	Front lower suspension arm (lower ball joint)	Click here
	Steering intermediate shaft	Click here
	Steering column assembly	Click here
Noise occurs when turning the steering wheel during low-speed driving.	Steering column assembly	Click here
Friction occurs when turning the steering wheel during low-speed driving.	Steering column assembly	Click here
A high-pitched sound (squeaking) occurs when turning the steering wheel slowly with the vehicle stopped.	Steering column assembly	Click here
The steering wheel vibrates and noise occurs when turning the steering wheel from lock to lock with the vehicle stopped.	Steering gear	Click here
	Steering column assembly	Click here
EPS warning is always indicated on the combination meter.	Power source voltage of steering column assembly (Power steering ECU)	Click here
	EPS warning light circuit	Click here
	Steering column assembly	Click here