Problem Symptoms Table [09/2014 - 10/2015]
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 | Link |
|---|---|---|
| Steering is heavy | Front tires (Improperly inflated, unevenly worn) | Refer to INSPECTION [09/2014 - 09/2020] |
| Front wheel alignment (Incorrect) | Refer to ADJUSTMENT [09/2014 - 11/2017] | |
| Front suspension (Lower ball joint) | Refer to INSPECTION [09/2014 - ] | |
| Torque sensor, power steering motor (Power steering link assembly) | Refer to REMOVAL [09/2014 - 10/2015] | |
| Steering column assembly | Refer to REMOVAL [09/2014 - ] | |
| Battery and power source circuit | Refer to ON-VEHICLE INSPECTION [09/2014 - 11/2017] | |
| Power source voltage of power steering ECU assembly | - | |
| Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle) | Refer to DATA LIST / ACTIVE TEST [09/2014 - 10/2015] | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] | |
| Power steering ECU assembly | Refer to REMOVAL [09/2014 - ] | |
| Steering effort differs between right and left or is uneven | Rotation angle sensor initialization and torque sensor zero point calibration incomplete | Refer to CALIBRATION [09/2014 - 09/2020] |
| Front tires (Improperly inflated, unevenly worn) | Refer to INSPECTION [09/2014 - 09/2020] | |
| Front wheel alignment (Incorrect) | Refer to ADJUSTMENT [09/2014 - 11/2017] | |
| Front suspension (Lower ball joint) | Refer to INSPECTION [09/2014 - ] | |
| Torque sensor, motor rotation angle sensor, power steering motor (Power steering link assembly) | Refer to REMOVAL [09/2014 - 10/2015] | |
| Steering column assembly | Refer to REMOVAL [09/2014 - ] | |
| Power steering ECU assembly | Refer to REMOVAL [09/2014 - ] | |
| While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily | Front suspension (Lower ball joint) | Refer to INSPECTION [09/2014 - ] |
| Speed sensor | Refer to TEST MODE PROCEDURE [09/2014 - 11/2017] | |
| Skid control ECU (Brake actuator assembly) | - | |
| Torque sensor, motor rotation angle sensor, power steering motor (Power steering link assembly) | Refer to REMOVAL [09/2014 - 10/2015] | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] | |
| Power steering ECU assembly | Refer to REMOVAL [09/2014 - ] | |
| Knocking (or cranking) sound occurs when turning steering wheel back and forth while power steering is operating | No. 2 steering intermediate shaft assembly | Refer to REMOVAL [09/2014 - ] |
| Steering sliding with shaft yoke sub-assembly (for 2WD) | Refer to REMOVAL [09/2014 - ] | |
| Power steering link assembly | Refer to REMOVAL [09/2014 - 10/2015] | |
| Friction sounds occur when turning steering wheel during low speed driving | Power steering motor (Power steering link assembly) | Refer to REMOVAL [09/2014 - 10/2015] |
| Steering column assembly | Refer to REMOVAL [09/2014 - ] | |
| High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped | Power steering motor (Power steering link assembly) | Refer to REMOVAL [09/2014 - 10/2015] |
| Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock | Power steering motor (Power steering link assembly) | Refer to REMOVAL [09/2014 - 10/2015] |
| Steering column assembly | Refer to REMOVAL [09/2014 - ] |