Steering. Yaris. Ncp93, 131
Power Assist Systems. Yaris. Ncp93, 131
Power Steering System (For Sedan) -- Problem Symptoms Table |
- HINT:
- 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
| Heavy steering | Front tires (improperly inflated, unevenly worn) | YARIS_NCP93 RM000001BCN01PX_01_0008.html |
| Front wheel alignment (incorrect) | YARIS_NCP93 RM000001BCN01PX.html | |
| Front suspension (Lower ball joint) | YARIS_NCP93 RM000001AUY012X_01_0001.html | |
| Steering gear assembly | YARIS_NCP93 RM000000UNK03AX.html | |
| Steering column assembly (Power steering motor) | YARIS_NCP93 RM000002AN800HX.html | |
| Battery and power source system | - | |
| Power source voltage of power steering ECU | YARIS_NCP93 RM000001AKF01VX.html | |
| Power steering ECU | YARIS_NCP93 RM000001EEX046X.html | |
| Steering effort differs between turning right and left or uneven | Steering center point (zero point) not recorded completely | YARIS_NCP93 RM000000OSZ014X.html |
| Front tires (improperly inflated, unevenly worn) | YARIS_NCP93 RM000001BCN01PX_01_0008.html | |
| Front wheel alignment (incorrect) | YARIS_NCP93 RM000001BCN01PX.html | |
| Front suspension (Lower ball joint) | YARIS_NCP93 RM000001AUY012X_01_0001.html | |
| Steering gear assembly | YARIS_NCP93 RM000000UNK03AX.html | |
| Steering column assembly (Torque sensor) | YARIS_NCP93 RM000002AN800HX.html | |
| Steering column assembly | YARIS_NCP93 RM000002AN800HX.html | |
| Steering column assembly (Power steering motor) | YARIS_NCP93 RM000002AN800HX.html | |
| Power steering ECU | YARIS_NCP93 RM000001EEX046X.html | |
| While driving, steering effort does not change in accordance with vehicle speed or steering wheel does not return properly | Front suspension (Lower ball joint) | YARIS_NCP93 RM000001AUY012X_01_0001.html |
| Speed sensor (w/ABS) | YARIS_NCP93 RM000000XHT08HX.html | |
| Brake actuator assembly (Skid control ECU) | YARIS_NCP93 RM000001BXP02FX.html | |
| Combination meter (w/o ABS) | YARIS_NCP93 RM000001DAG00QX.html | |
| Steering column assembly (Torque sensor) | YARIS_NCP93 RM000002AN800HX.html | |
| Steering column assembly (Power steering motor) | YARIS_NCP93 RM000002AN800HX.html | |
| Power steering ECU | YARIS_NCP93 RM000001EEX046X.html | |
| Controlling CAN communication system | YARIS_NCP93 RM000001D3500JX.html | |
| Friction occurs when turning steering wheel during low speed driving | Steering column assembly (Power steering motor) | YARIS_NCP93 RM000002AN800HX.html |
| Steering column assembly | YARIS_NCP93 RM000002AN800HX.html | |
| High-pitched sound (squeaking) occurs when turning steering wheel slowly when vehicle stopped | Steering column assembly (Power steering motor) | YARIS_NCP93 RM000002AN800HX.html |
| Steering wheel vibrates and noise occurs when turning steering wheel with vehicle stopped | Steering column assembly (Power steering motor) | YARIS_NCP93 RM000002AN800HX.html |
| Steering column assembly | YARIS_NCP93 RM000002AN800HX.html | |
| EPS warning always indicated on combination meter | Power source voltage of power steering ECU | YARIS_NCP93 RM000001AKF01VX.html |
| Combination meter | YARIS_NCP93 RM000001DAG00QX.html | |
| Power steering ECU | YARIS_NCP93 RM000001EEX046X.html |