Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Power Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Power Steering System -- Problem Symptoms Table |
- HINT:
- Use the table below to help determine the cause of the problem. If necessary, repair or replace the faulty parts.
| Symptom | Suspected area | See page |
| Steering is heavy. | Front tires (Improperly inflated, unevenly worn) | Click here |
| Front wheel alignment (Incorrect) | Click here | |
| Front suspension (Lower ball joint) | Click here | |
| Steering column assembly (for 3GR-FSE) | Click here | |
| Steering column assembly (for 3GR-FE) | Click here | |
| Steering column assembly (for 3UZ-FE) | Click here | |
| Torque sensor (Built into steering link assembly) | - | |
| Power steering motor | - | |
| Speed sensor | - | |
| Skid control ECU | - | |
| Battery and power source system | - | |
| Power steering ECU power source voltage and relay | - | |
| Power steering ECU | - | |
| Steering effort differs between right and left or is uneven. | Calibration of turning angle sensor output and torque sensor zero point is not completed | Click here |
| Front tires (Improperly inflated, unevenly worn) | Click here | |
| Front wheel alignment (Incorrect) | Click here | |
| Front suspension (Lower ball joint) | Click here | |
| Power steering gear | Click here | |
| Torque sensor (Built into steering link assembly) | - | |
| Steering column assembly (for 3GR-FSE) | Click here | |
| Steering column assembly (for 3GR-FE) | Click here | |
| Steering column assembly (for 3UZ-FE) | Click here | |
| Power steering motor | - | |
| Power steering ECU | - | |
| While driving, steering effort does not change in accordance with vehicle speed or the steering wheel does not return properly. | Front suspension (Lower ball joint) | Click here |
| Speed sensor | - | |
| Skid control ECU | - | |
| Combination meter | - | |
| Engine speed detection circuit | - | |
| Torque sensor (Built into steering link assembly) | - | |
| Power steering motor | - | |
| Power steering ECU | - | |
| A knocking (or cranking) sound occurs when turning the steering wheel back and forth while power steering is in operation. | Front suspension (Lower ball joint) | Click here |
| Steering intermediate shaft | - | |
| Power steering gear | Click here | |
| Noise occurs when turning the steering wheel during low speed driving. | Power steering gear | Click here |
| Steering column assembly (for 3GR-FSE) | Click here | |
| Steering column assembly (for 3GR-FE) | Click here | |
| Steering column assembly (for 3UZ-FE) | Click here | |
| A high-pitched sound (squeaking) occurs when turning the steering wheel slowly with the vehicle stopped. | Power steering motor | - |
| The steering wheel vibrates and noise occurs when turning the steering wheel from lock to lock. | Power steering gear | Click here |
| Steering column assembly (for 3GR-FSE) | Click here | |
| Steering column assembly (for 3GR-FE) | Click here | |
| Steering column assembly (for 3UZ-FE) | Click here |