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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Steering Control System (DTCS) (2 Of 2) >> EPS/DAST 3 (Power Steering Control Module) >> DTC C1143: Steering Angle Sensor >> DTC Diagnosis Procedure >> Without Direct Adaptive Steering System
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Without Direct Adaptive Steering System

  1. CHECK STEERING ANGLE SENSOR CIRCUIT 

    Check steering angle sensor circuit. Refer to DTC Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace error-detected parts.

  2. CHECK TERMINALS AND HARNESS CONNECTORS 

    Check the power steering control module pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal?

    YES

    Power steering control module is malfunctioning. Replace steering gear assembly. Refer to STEERING GEAR AND LINKAGE : Removal & Installation .

    NO

    Repair or replace error-detected parts.

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