Symptom Table
If 4WAS warning lamp turns ON, perform self-diagnosis
4WAS SYMPTOMS CHART
| Symptom | Condition | Check item | Reference |
|---|---|---|---|
| 4WAS warning lamp does not turn on. (4WAS warning lamp does not turn ON when turning ignition switch ON from OFF) | Ignition switch: ON | 4WAS system power supply and ground | , "DESCRIPTION " |
| Unified meter and A/C amp. | |||
| CAN communication line | |||
| Combination meter | |||
| 4WAS main control unit | |||
| 4WAS warning lamp does not turn off. | Engine running | 4WAS main control unit self-diagnosis | , "DESCRIPTION " |
| 4WAS front control unit self-diagnosis | |||
| Steering wheel miss alignment (The steering wheel position (center) is in the wrong position at driving) | Driving | Return to 4WAS front actuator initial position | , "DESCRIPTION " |
| 4WAS system condition | |||
| steering system | |||
| wheel alignment | |||
| 4WAS front actuator adjustment | |||
| 4WAS system ignition power supply | |||
| 4WAS system 4WAS front motor power supply | |||
| 4WAS system incomplete lock release | |||
| 4WAS system history inspection | |||
| Steering system vibration and noise (Vibration or noise occurs in the steering wheel while driving the vehicle.) | Driving | 4WAS system protection function mode | , "DESCRIPTION " |
| 4WAS front actuator control stopped | |||
| Unbalance steering wheel turning force (torque variation) | Driving | Vehicle speed signal | , "DESCRIPTION " |
| Steering system | |||
| Power steering solenoid valve |