DTC C1231/31 Steering Angle Sensor Circuit Malfunction; DTC C1335/35 Steering Angle Sensor Circuit: Description

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
C1231/31	When ECU IG1 terminal voltage is 9.5 V or more, ECU receives sensor fail data from steering angle sensor for 1 sec. or more	Steering sensor Steering sensor circuit +BI circuit
C1335/35	Detection of either condition below: When ECU IG1 terminal voltage is 9.5 V or more, data transmission from steering angle sensor is impossible for 1 sec. or more Immediately after terminal BAT is connected and when IG1 terminal voltage is 9.5 V or more, open circuit of terminal TRIG continues for 15 sec. or more	Steering sensor Steering sensor circuit