DTC C1297/97 Steering Angle Sensor: Description

WARNING: This page is about a different car, the 2007 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.

The 4WD control ECU determines that the vehicle is turning based on the signals sent from the steering angle sensor.
The steering angle sensor signal is sent to the 4WD control ECU via CAN communication system.
The 4WD control ECU detects the amount of steering wheel movement and performs "slip control at vehicle start up", according to the amount of movement, and "slip control" to secure high turning performance.

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
C1297/97	When the voltage of the 4WD control ECU IG1 terminal is 9.5 V or more, the steering angle sensor malfunction signal is received.	Steering angle sensor CAN communication system Brake control system