Operation CHARM: Car repair manuals for everyone.

C1231

DTC C1231 Steering angle sensor malfunction

Description of functions

The skid control computer (brake actuator ASSY) inputs the steering sensor signal through CAN communication.
If there is a trouble in the communication line connected to the steering sensor, the diagnostic code "U0126(Nonarrival of H-CAN data(Steering angle sensor))" is output.





Circuit figure





Inspection steps

CAUTION:
^ When the steering sensor has been replaced, make sure to perform VSC centering.
Reading and Clearing Diagnostic Trouble Codes
^ Check the fuses in this circuit before troubleshooting.