LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Steering Control System (DTCS) (1 Of 2) >> EPS/DAST 3 (Steering Force Control Module) >> DTC C13E8-00: Curb Stone Protection >> DTC Diagnosis Procedure >> Direct Adaptive Steering System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Direct Adaptive Steering System

  1. CHECK THE STEERING ANGLE 

    Turn the steering wheel to right and left.

    Is the steering angle of right and left same?

    YES

    GO TO 2.

    NO

    Refer to Symptom Table .

  2. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    1. Turn the ignition switch ON.
    2. Erase self-diagnosis for "EPS/DAST 3".
    3. Turn the ignition switch OFF and wait for at least 10 seconds.
    4. Start the engine.
      CAUTION: Never drive the vehicle.
    5. Turn the steering wheel to the straight-ahead position. (There is no steering force)
    6. Perform self-diagnosis for "EPS/DAST 3".

    Is DTC "C13E8-00" detected?

    YES

    Replace steering force control module. Refer to STEERING FORCE CONTROL MODULE : Removal & Installation .

    NO

    Protection function is active by operating steering wheel under a condition where the steering angle is physically restricted due to the influence of curbstones or other substances. This is not system malfunction. Since this may cause mechanical malfunction, check the suspension, axle and steering component.