POWER STEERING SYSTEM (for Sedan) > PROBLEM SYMPTOMS TABLE


HINT:
  1. 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.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Power Steering System 
Symptom
Suspected Area
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Heavy steering
Front tires (improperly inflated, unevenly worn)
Click here
Front wheel alignment (incorrect)
Click here
Front suspension (Lower ball joint)
Click here
Steering gear assembly
Click here
Steering column assembly (Power steering motor)
Click here
Battery and power source system
-
Power source voltage of power steering ECU
Click here
Power steering ECU
Click here
Steering effort differs between turning right and left or uneven
Steering center point (zero point) not recorded completely
Click here
Front tires (improperly inflated, unevenly worn)
Click here
Front wheel alignment (incorrect)
Click here
Front suspension (Lower ball joint)
Click here
Steering gear assembly
Click here
Steering column assembly (Torque sensor)
Click here
Steering column assembly
Click here
Steering column assembly (Power steering motor)
Click here
Power steering ECU
Click here
While driving, steering effort does not change in accordance with vehicle speed or steering wheel does not return properly
Front suspension (Lower ball joint)
Click here
Speed sensor (w/ABS)
Click here
Brake actuator assembly (Skid control ECU)
Click here
Combination meter (w/o ABS)
Click here
Steering column assembly (Torque sensor)
Click here
Steering column assembly (Power steering motor)
Click here
Power steering ECU
Click here
Controlling CAN communication system
Click here
Friction occurs when turning steering wheel during low speed driving
Steering column assembly (Power steering motor)
Click here
Steering column assembly
Click here
High-pitched sound (squeaking) occurs when turning steering wheel slowly when vehicle stopped
Steering column assembly (Power steering motor)
Click here
Steering wheel vibrates and noise occurs when turning steering wheel with vehicle stopped
Steering column assembly (Power steering motor)
Click here
Steering column assembly
Click here
EPS warning always indicated on combination meter
Power source voltage of power steering ECU
Click here
Combination meter
Click here
Power steering ECU
Click here