|
Symptom | Suspected Area |
Link |
|
Heavy steering | Front tires (improperly inflated, unevenly worn) |
 |
|
Front wheel alignment (incorrect) |
|
|
Front suspension (Lower ball joint) |
|
|
Rack and pinion power steering gear assembly |
*3
*4 |
|
Steering column assembly |
*1
*2 |
|
Battery and power source circuit |
*3
*4 |
|
Power source voltage of power steering ECU |
*3
*4 |
|
Power steering ECU (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Vehicle
condition (Steering wheel is turned from left to right repeatedly with
vehicle stopped or heavy load is continuously applied to vehicle) |
*3
*4 |
|
CAN communication system |
*3
*4 |
|
Steering effort differs between right and left or is uneven |
Power steering motor (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Torque sensor zero point calibration |
*3
*4 |
|
Front tires (improperly inflated, unevenly worn) |
|
|
Front wheel alignment (incorrect) |
|
|
Front suspension (Lower ball joint) |
|
|
Rack and pinion power steering gear assembly |
*3
*4 |
|
Steering column assembly |
*1
*2 |
|
Power steering ECU (Rack and pinion power steering gear assembly) |
*3
*4 |
|
While
driving, steering effort does not change in accordance with vehicle
speed, or steering wheel does not return to its centered position easily |
Power steering motor (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Front tires (improperly inflated, unevenly worn) |
|
|
Front wheel alignment (incorrect) |
|
|
Combination meter assembly |
|
|
Rack and pinion power steering gear assembly |
*3
*4 |
|
Steering column assembly |
*1
*2 |
|
Front suspension (Lower ball joint) |
|
|
Skid control ECU (Brake actuator assembly) |
*3
*4 |
|
Speed sensor |
*3
*4 |
|
Torque sensor (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Power steering ECU (Rack and pinion power steering gear assembly) |
*3
*4 |
|
CAN communication system |
*3
*4 |
|
Knocking or clunking sound occurs when turning steering wheel back and forth while power steering is in operation |
Rack and pinion power steering gear assembly |
*3
*4 |
|
Steering column assembly |
*1
*2 |
|
Steering intermediate shaft assembly |
*1
*2 |
|
Front suspension (Lower ball joint) |
|
|
Friction sounds occur when turning steering wheel during low speed driving |
Power steering motor (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Steering column assembly |
*1
*2 |
|
Spiral cable with sensor sub-assembly |
|
|
Steering column cover contacting steering wheel assembly |
*1
*2 |
|
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped |
Power steering motor (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Steering wheel installation (incorrect) |
|
|
Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock |
Power steering motor (Rack and pinion power steering gear assembly) |
*3
*4 |
|
Steering column assembly |
*1
*2 |
|
Steering wheel installation (incorrect) |
|
