DTC C1231/31 Steering Angle Sensor Circuit Malfunction: Description
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The steering sensor signal is sent to the skid control ECU via the CAN communication system. When there is a malfunction in the CAN communication system, it is detected by the steering sensor zero point malfunction diagnostic function.
DTC CHART
| DTC No. | DTC Detection Conditions | Trouble Areas |
|---|---|---|
| C1231/31 | When IG1 terminal voltage 9.5 V or more, steering angle sensor malfunction signal received. |
|