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AV STEERING ANGLE SENSOR SIGNAL CIRCUIT AV-143 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P STEERING ANGLE SENSOR SIGNAL CIRCUIT Description INFOID:0000000005528568 • Steering angle sensor signal 1, 2 detects the turning direction and quantity of the steering and transmits it to the camera control unit. • Steering angle sensor signal 3 detects the neutral position of the steering and transmits it to the camera con- trol unit. • Camera control unit performs the correction of neutral position with sensor signal 1, 2, 3 and vehicle speed signal. Diagnosis Procedure INFOID:0000000005528569 1. CHECK CONTINUITY STEERING ANGLE SENSOR SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect camera control unit connector and steering angle sensor connector. 3. Check continuity between camera control unit harness connector and steering angle sensor harness con- 4. Check continuity between camera control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair harness or connector. 2. CHECK VOLTAGE CAMERA CONTROL UNIT 1. Connect camera control unit connector. 2. Turn ignition switch ON. 3. Check voltage between camera control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Replace camera control unit. 3. CHECK STEERING ANGLE SENSOR SIGNAL 1. Turn ignition switch OFF. 2. Connect steering angle sensor connector. Camera control unit Steering angle sensor Continuity Connector Terminals Connector Terminals B60 23 M30 3 Existed 24 6 25 8 Camera control unit Ground Continuity Connector Terminals B60 23 Not existed 24 25 (+) ( − ) Reference value (Approx.) Camera control unit Connector Terminals B60 23 Ground 5.0 V 24 25 |