DTC Detection Logic
| DTC | Display Item | Malfunction detected condition | Possible cause |
|---|---|---|---|
| C1631 | CONTROL UNIT | An error is detected inside 4WAS front control unit. | 4WAS front control unit or 4WAS front control unit power supply error is detected. |
| C1632 | CONTROL UNIT | An error is detected inside 4WAS front control unit. | 4WAS front control unit or 4WAS front control unit power supply error is detected. |