PROBLEM SYMPTOMS TABLE
HINT:
|
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 |
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Torque sensor (Rack and pinion power steering gear assembly) | ||
|
Power steering motor (Rack and pinion power steering gear assembly) | ||
|
Steering column assembly |
| |
|
Battery and power source circuit (for A25A-FKS) |
| |
|
Battery and power source circuit (for 2GR-FKS) |
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|
Power source voltage of power steering ECU (Rack and pinion power steering gear assembly) |
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|
CAN communication system |
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|
Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle) |
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|
Steering effort differs between right and left or is uneven |
Rotation angle sensor initialization and torque sensor zero point calibration incomplete |
|
|
Front tires (improperly inflated, unevenly worn) |
| |
|
Front wheel alignment (incorrect) |
| |
|
Front suspension (Lower ball joint) |
| |
|
Rack and pinion power steering gear assembly |
| |
|
Torque sensor (Rack and pinion power steering gear assembly) | ||
|
Power steering ECU (Rack and pinion power steering gear assembly) | ||
|
Steering column assembly |
| |
|
While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily |
Skid control ECU (Brake actuator assembly) (w/ Electric Parking Brake System) |
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|
Skid control ECU (Brake actuator assembly) (w/o Electric Parking Brake System) |
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|
Speed sensor (w/ Electric Parking Brake System) |
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|
Speed sensor (w/o Electric Parking Brake System) |
| |
|
Torque sensor (Rack and pinion power steering gear assembly) |
| |
|
Power steering motor (Rack and pinion power steering gear assembly) | ||
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Power steering ECU (Rack and pinion power steering gear assembly) | ||
|
CAN communication system |
| |
|
Friction sounds occur when turning steering wheel during low speed driving |
Power steering motor (Rack and pinion power steering gear assembly) |
|
|
Steering column assembly |
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Spiral cable with sensor sub-assembly |
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|
Steering column cover contacting steering wheel assembly |
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|
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped |
Power steering motor (Rack and pinion power steering gear assembly) |
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|
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) |
|
|
Steering column assembly |
| |
|
Steering wheel installation (incorrect) |
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|
Drive mode does not change* |
Drive mode select switch circuit |
|
|
EPS warning light remains on | EPS warning light circuit |
|
*: w/ Drive Mode Switch
Terminals Of Ecu
Diagnosis System
Dtc Check / Clear
Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
Right Rear Wheel Speed Sensor Circuit Intermittent (C05121F)