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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 C13B7-00: Control Module >> DTC Diagnosis Procedure >> Direct Adaptive Steering System
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Direct Adaptive Steering System

  1. CHECK THE MOTOR 

    Check the steering force motor. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Steering force motor is malfunction. Replace steering column assembly. Refer to STEERING COLUMN : Removal & Installation .

  2. CHECK THE MOTOR CIRCUIT 
    1. Disconnect steering force control module and steering force motor harness connector.
    2. Check the continuity between control module harness connector and motor harness connector.

      Steering force control module

      Steering force motor

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M151

      35

      M153

      1

      Existed

      36

      2

      37

      3

      M152

      38

      M154

      5

    3. Check the continuity between control module harness connector and ground.

      Steering force control module

      --

      Continuity

      Connector

      Terminal

      M151

      35

      Ground

      Not existed

      36

      37

      M152

      38

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace error-detected part.

  3. CHECK INTERMITTENT INCIDENT 
    1. Check enlarged contact spring of terminal. Refer to Inspection .
    2. Perform intermittent incident while turning steering wheel. Refer to Inspection .

    Is the inspection result normal?

    YES

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

    NO

    Repair or replace error-detected part.