Problem Symptoms Table [09/2012 - ]
HINT:
- Use the table below to help determine the cause of the problem symptom. 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.
- The electrical equipment operation may be limited by the load control of electric power control system. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.
POWER STEERING SYSTEM:
| Symptom | Suspected Area | Refer to |
|---|---|---|
| Steering is heavy. | Front tires (Improperly inflated, unevenly worn) (for 2WD) | Refer to ADJUSTMENT [09/2012 - ] - Step 1 |
| Front tires (Improperly inflated, unevenly worn) (for AWD) | Refer to ADJUSTMENT [09/2012 - ] - Step 2 | |
| Front wheel alignment (Incorrect) (for 2WD) | Refer to ADJUSTMENT [09/2012 - ] | |
| Front wheel alignment (Incorrect) (for AWD) | Refer to ADJUSTMENT [09/2012 - ] | |
| Front suspension (for 2WD) | Refer to REMOVAL [09/2012 - ] | |
| Front suspension (for AWD) | Refer to REMOVAL [09/2012 - ] | |
| Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Steering column assembly | - | |
| Battery and power source system | Refer to DATA LIST / ACTIVE TEST [09/2012 - ] | |
| Power source voltage of power steering ECU | Refer to TERMINALS OF ECU [09/2012 - ] | |
| Power steering converter assembly | Refer to REMOVAL [09/2012 - ] | |
| Power steering ECU | Refer to TERMINALS OF ECU [09/2012 - ] | |
| Vehicle condition (The steering wheel is turned from left to right repeatedly with the vehicle stopped or a heavy load is continuously applied to the vehicle) | Refer to DATA LIST / ACTIVE TEST [09/2012 - ] | |
| Steering effort differs between right and left or is uneven. | Power steering ECU (Steering center point is not recorded correctly) | Refer to CALIBRATION [09/2012 - ] |
| Front tires (Improperly inflated, unevenly worn) (for 2WD) | Refer to ADJUSTMENT [09/2012 - ] - Step 1 | |
| Front tires (Improperly inflated, unevenly worn) (for AWD) | Refer to ADJUSTMENT [09/2012 - ] - Step 2 | |
| Front wheel alignment (Incorrect) (for 2WD) | Refer to ADJUSTMENT [09/2012 - ] | |
| Front wheel alignment (Incorrect) (for AWD) | Refer to ADJUSTMENT [09/2012 - ] | |
| Front suspension (for 2WD) | Refer to REMOVAL [09/2012 - ] | |
| Front suspension (for AWD) | Refer to REMOVAL [09/2012 - ] | |
| Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Steering column assembly | - | |
| Power steering ECU | Refer to TERMINALS OF ECU [09/2012 - ] | |
| While driving, steering effort does not change in accordance with vehicle speed, or the steering wheel does not return to its centered position easily. | Speed sensor (for 2WD) | Refer to REMOVAL [09/2012 - ] |
| Speed sensor (for AWD) | Refer to REMOVAL [09/2012 - ] | |
| Skid control ECU | Refer to TERMINALS OF ECU [09/2012 - ] | |
| Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Power steering ECU | Refer to TERMINALS OF ECU [09/2012 - ] | |
| Friction sounds occur when turning steering wheel during low speed driving. | Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Power steering ECU | Refer to TERMINALS OF ECU [09/2012 - ] | |
| PS warning light remains on. | PS warning light remains on | Refer to PS Warning Light Remains ON |
| A knocking (or cranking) sound occurs when turning the steering wheel back and forth while power steering is in operation. | Front suspension (for 2WD) | Refer to REMOVAL [09/2012 - ] |
| Front suspension (for AWD) | Refer to REMOVAL [09/2012 - ] | |
| Steering intermediate shaft | - | |
| Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Noise occurs when turning the steering wheel during low speed driving. | Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Steering column assembly | - | |
| High-pitched sound (squeaking) occurs when turning the steering wheel slowly with the vehicle stopped. | Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Steering wheel vibrates and noise occurs when turning the steering wheel from lock to lock. | Power steering link assembly (w/ VGRS) | Refer to REMOVAL [09/2012 - ] |
| Power steering link assembly (w/o VGRS) | Refer to REMOVAL [09/2012 - ] | |
| Steering column assembly | - |