Problem Symptoms Table [03/2017 - ]
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.
VGRS SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Steering wheel is off-center | Steering wheel is off-center or deviates from neutral position | Refer to Steering Wheel is Off-center or Deviates from Neutral Position [03/2017 - ] |
| VGRS system stops or does not operate | Actuator temperature is abnormal | Refer to VGRS System Stops or does not Operate [03/2017 - ] |
| IG power source circuit | Refer to DTC C15C6/77: IG Power Supply Voltage [03/2017 - 09/2018] , or refer to DTC C15C6: IG Power Supply Voltage [09/2018 - ] | |
| PIG power supply circuit | Refer to DTC C15C7/78: DC Motor Power Source Voltage; DTC C15C8/79: Power Supply Relay Failure [03/2017 - 09/2018] , or refer to DTC C15C7: DC Motor Power Source Voltage; DTC C15C8: DC Motor Power Source Voltage(ECU Start-up) [09/2018 - ] | |
| Steering system (Hard steering) | Refer to PROBLEM SYMPTOMS TABLE [03/2017 - ] | |
| If the symptoms still occur even after the above suspected areas have been inspected and proved to be normal, replace the VGRS ECU (Front steering control ECU). | Refer to REMOVAL [03/2017 - 05/2023] , or refer to REMOVAL [05/2023 - ] | |
| Steering angle differs between left and right | Steering angle differs between left and right | Refer to Steering Angle Differs between Left and Right [03/2017 - 09/2018] , or refer to Steering Angle Differs between Left and Right [09/2018 - ] |
| VGRS system suspends right after engine start | VGRS system suspends right after engine start | Refer to VGRS System Suspends right after Engine Start [03/2017 - ] |
| Steering wheel vibrates or abnormal noise is heard from steering wheel | Steering actuator assembly | - |
| Rack and pinion power steering gear assembly | - | |
| Steering column assembly | - | |
| Master warning light malfunction | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] |
| VGRS ECU (Front steering control ECU) | Refer to TERMINALS OF ECU [03/2017 - ] | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 05/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] |