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.
| Symptom | Suspected Area | Link |
|---|---|---|
| Heavy steering | Front tires (Improperly inflated or unevenly worn) | |
| Front wheel alignment (Incorrect) | ||
| Steering system joints (Worn) | - | |
| Electric power steering column sub-assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Electric power steering column sub-assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Power steering motor assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering motor assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Battery and power source system | ||
| Power steering ECU power source voltage and relay (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering ECU power source voltage and relay (for Power Tilt and Power Telescopic Steering Column) | ||
| Power steering ECU assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering ECU assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Power steering gear | ||
| Steering effort differs between turning right and left, or steering effort is uneven | Calibration of torque sensor zero point is not completed (for Manual Tilt and Manual Telescopic Steering Column) | |
| Calibration of torque sensor zero point is not completed (for Power Tilt and Power Telescopic Steering Column) | ||
| Front tires (Improperly inflated or unevenly worn) | ||
| Front wheel alignment (Incorrect) | ||
| Front suspension (Lower ball joint) | ||
| Power steering gear | ||
| Power steering motor assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering motor assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Power steering ECU assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering ECU assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Poor return | Front suspension (Lower ball joint) | |
| Speed sensor circuit | ||
| Power steering motor assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering motor assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Power steering ECU assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Power steering ECU assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| CAN communication system (for LHD) | ||
| CAN communication system (for RHD) | ||
| Friction sound occurs when steering wheel turned during low-speed driving | Power steering motor assembly (for Manual Tilt and Manual Telescopic Steering Column) | |
| Power steering motor assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Electric power steering column sub-assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Electric power steering column sub-assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Spiral cable assembly | ||
| Friction between the steering wheel and steering column cover | - | |
| High-pitched sound (squealing sound) occurs when steering wheel turned slowly with vehicle stopped | Power steering motor assembly (for Manual Tilt and Manual Telescopic Steering Column) | |
| Power steering motor assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Steering wheel installation condition | - | |
| Steering wheel vibrates and noise occurs when steering wheel turned while vehicle stopped | Power steering motor assembly (for Manual Tilt and Manual Telescopic Steering Column) | |
| Power steering motor assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Electric power steering column sub-assembly (for Manual Tilt and Manual Telescopic Steering Column) | ||
| Electric power steering column sub-assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Steering wheel installation condition | - | |
| No free play or excessive play | Electric power steering column sub-assembly (for Manual Tilt and Manual Telescopic Steering Column) | |
| Electric power steering column sub-assembly (for Power Tilt and Power Telescopic Steering Column) | ||
| Steering intermediate shaft assembly | - | |
| Power steering warning light remains on | Power Steering Warning Light Circuit (for Manual Tilt and Manual Telescopic Steering Column) | |
| Power Steering Warning Light Circuit (for Power Tilt and Power Telescopic Steering Column) |