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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System >> Basic Inspection >> Re Learning >> Work Procedure
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Work Procedure

  1. PREPARATION BEFORE WORK SUPPORT 

    SYMBOL With CONSULT

    1. Turn the ignition switch ON.
    2. Turn the steering wheel to the straight-ahead position.
    3. Keep the vehicle at a standstill.
    4. Confirm the connection between EPS control unit and EPS torque sensor.
    5. Erase self-diagnostic result.

    GO TO 2.

  2. PERFORM RE LEARNING 

    SYMBOL With CONSULT

    1. On the CONSULT screen, select "EPS/DAST 3">>"Work support">>"Re learning".
    2. Touch "Start".

    What is current status?

    Calibration OK

    WORK END

    Power supply torque sensor too low

    GO TO 3.

    Active malfunction exist

    GO TO 4.

    Vehicle speed is not 0 km/h

    Keep the vehicle at a standstill and then re-perform the procedure. GO TO 1.

    Thermistor temperature too high

    Wait for several minutes until the internal temperature becomes low. GO TO 1.

    Motor revolution speed too high

    During calibration, never move the steering wheel. GO TO 1.

    Sampled value out of range

    Before calibration, turn the steering wheel to the straight-ahead position. GO TO 1.

    Difference of min and max value out of range

    During calibration, never move the steering wheel. GO TO 1.

  3. CHECK THE ELECTRICAL LINE FOR EPS TORQUE SENSOR 

    Check the electrical line between EPS control unit and EPS torque sensor. If necessary, repair.

    GO TO 1.

  4. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    Perform self-diagnosis for "EPS /DAST 3".

    Is any DTC detected?

    YES

    Check the DTC. Refer to DTC Index . After repairing, GO TO 1.

    NO

    GO TO 1.