STEERING SYSTEM > PROBLEM SYMPTOMS TABLE

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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.


Steering System 
Symptom
Suspected Area
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Heavy steering
Front tires (Improperly inflated, unevenly worn)
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Front wheel alignment (Incorrect)
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Steering system joints (Worn)
-
Steering column
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Torque sensor (Built into steering column)
-
Power steering motor
-
Speed sensor
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Auxiliary battery and power source system
-
Power steering ECU power source voltage and relay
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Power steering gear
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Power steering ECU
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Skid control ECU
-
Poor return
Front tires (Improperly inflated, unevenly worn)
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Front wheel alignment (Incorrect)
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Steering column
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Power steering gear
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Power steering ECU
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Excessive free play
Steering system joints (Worn)
-
Front suspension (Lower ball joint)
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Intermediate shaft, universal joint, sliding yoke (Worn)
-
Front axle hub (Hub bearing)
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Power steering gear
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A knocking (or clunking) sound occurs when turning the steering wheel back and forth while power steering is operating.
Front suspension (Lower ball joint)
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Steering intermediate shaft
-
Power steering ECU
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Friction occurs when turning the steering wheel during low-speed driving.
Power steering motor
-
Steering column
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A high-pitched sound (squeaking) occurs when turning the steering wheel slowly with the vehicle stopped.
Power steering motor
-
Steering column
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Steering wheel vibrates and noise occurs when turning the steering wheel with the vehicle stopped.
Power steering motor
-
Steering column
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