4WAS SYSTEM: Protection Function (4WAS Main Control Unit)
4WAS system enters in the protection function mode (4WAS system temporarily stopped) if 4WAS system continues the heavy load condition or the sensor self-check condition. (4WAS system reactivates automatically if the heavy load condition and the self-check condition are resolved.) 4WAS warning lamp stays OFF in the protection function mode.
| DTC | Error area and root cause | Contents of protection function |
|---|---|---|
| - | 4WAS main control unit power supply temporary malfunctioning condition | 4WAS system is temporarily stopped. |
| - | 4WAS system heavy load condition | |
| - | The sensor of 4WAS system is in self-check condition |