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Home >> Scion >> 2005 >> xA Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> Abs With EBD & BA & TRAC & VSC System >> DTC C1231/31: Malfunction In Steering Angle Sensor Circuit >> Circuit Description

Circuit Description

The steering angle sensor signal is sent to the skid control ECU through CAN communication system. When there is malfunction in communication system, the DTC will be detected by the diagnosis function.

DTC CONDITION DETECTION

DTC No. DTC Detection Condition Trouble Area
C1231/31 When ECU IG1 terminal voltage is 9.5 V or more, the steering angle sensor malfunction signal is received.
  • Steering angle sensor
  • Steering angle sensor circuit
  • Power source circuit