DTC Detection Logic

DTC DETECTION CONDITION AND POSSIBLE CAUSES REFERENCE CHART

DTC	Display item	Malfunction detected condition	Possible cause
C1143	ST ANG SEN CIRCUIT	Steering angle sensor is malfunctioning.	Harness or connector Steering angle sensor 4WAS control unit (4WAS models) ABS actuator and electric unit (control unit)
C1144	ST ANG SEN SIGNAL	Neutral position of steering angle sensor is not finished.