Steering. Corolla. Zre142 Aze141
Power Assist Systems. Corolla. Zre142 Aze141
Power Steering System (For 2Zr-Fe) -- 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) | COROLLA_ZRE142 RM0000015KU04TX.html |
| Front wheel alignment (incorrect) | COROLLA_ZRE142 RM000001Y3B042X.html | |
| Front suspension (lower ball joint) | COROLLA_ZRE142 RM0000003H3039X.html | |
| Steering gear assembly | COROLLA_ZRE142 RM0000029T705NX.html | |
| Torque sensor (built into steering column) | COROLLA_ZRE142 RM000001AKH036X.html | |
| Power steering motor | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| Battery and power source system | - | |
| Power steering ECU power source voltage and relay | COROLLA_ZRE142 RM000001AKF02CX.html | |
| Power steering ECU | COROLLA_ZRE142 RM000002XN605BX.html | |
| Steering effort differs between turning right and left, or steering effort is uneven. | Steering center point (zero point) recorded incorrectly | COROLLA_ZRE142 RM00000275305DX.html |
| Front tires (improperly inflated, unevenly worn) | COROLLA_ZRE142 RM0000015KU04TX.html | |
| Front wheel alignment (incorrect) | COROLLA_ZRE142 RM000001Y3B042X.html | |
| Front suspension (lower ball joint) | COROLLA_ZRE142 RM0000003H3039X.html | |
| Steering gear assembly | COROLLA_ZRE142 RM0000029T705NX.html | |
| Torque sensor (built into steering column) | COROLLA_ZRE142 RM000001AKH036X.html | |
| Steering column assembly | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| Power steering motor | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| Power steering ECU | COROLLA_ZRE142 RM000002XN605BX.html | |
| 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) | COROLLA_ZRE142 RM0000003H3039X.html |
| Torque sensor (built into steering column) | COROLLA_ZRE142 RM000001AKH036X.html | |
| Power steering motor | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| Power steering ECU | COROLLA_ZRE142 RM000002XN605BX.html | |
| CAN communication system | COROLLA_ZRE142 RM000000WI60ACX.html | |
| A knocking (or cranking) sound occurs when turning the steering wheel back and forth while operating the power steering. | Front suspension (lower ball joint) | COROLLA_ZRE142 RM0000003H3039X.html |
| Steering intermediate shaft | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| Power steering ECU | COROLLA_ZRE142 RM000002XN605BX.html | |
| Noise occurs when turning the steering wheel during low-speed driving. | Power steering gear | COROLLA_ZRE142 RM0000029T705NX.html |
| Steering column assembly | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| Friction occurs when turning the steering wheel during low-speed driving. | Power steering motor | COROLLA_ZRE142 RM0000029SZ02TX.html |
| Steering column assembly | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| A high-pitched sound (squeaking) occurs when turning the steering wheel slowly with the vehicle stopped. | Power steering motor | COROLLA_ZRE142 RM0000029SZ02TX.html |
| The steering wheel vibrates and noise occurs when turning the steering wheel from lock to lock with the vehicle stopped. | Power steering gear | COROLLA_ZRE142 RM0000029T705NX.html |
| Steering column assembly | COROLLA_ZRE142 RM0000029SZ02TX.html | |
| The P/S warning light does not come on, or is always on. | Power source voltage of power steering ECU | COROLLA_ZRE142 RM000001AKF02CX.html |
| EPS warning light circuit | COROLLA_ZRE142 RM000001AKY03HX.html | |
| Power steering ECU | COROLLA_ZRE142 RM000002XN605BX.html |