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Home >> Infiniti >> 2017 >> Q60 Sport, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Direct Adaptive Steering) (Basic Inspection And DTCS) >> DTC / Circuit Diagnosis >> DTC C13B2-00: Control Module >> DAST 2 >> Diagnosis Procedure >> Diagnostic Test
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Diagnostic Test

  1. CHECK THE MOTOR

    Check the steering angle sub motor. Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Steering angle sub motor is malfunction. Replace steering gear assembly. Refer to REMOVAL AND INSTALLATION .

  2. CHECK THE MOTOR CIRCUIT

    1. Disconnect steering angle sub control module and steering angle sub motor harness connector.
    2. Check the continuity between control module harness connector and motor harness connector.
      Steering angle sub control module Steering angle sub motor Continuity
      Connector Terminal Connector Terminal
      E99 35 E90 1 Existed
      36 3
      37 2
      E100 38 E91* 1
      E92* 2
      4

      * 1: 2WD models

      * 2: AWD models

    3. Check the continuity between control module harness connector and ground.
      Steering angle sub control module - Continuity
      Connector Terminal
      E99 35 Ground Not existed
      36
      37
      E100 38

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace error - detected part.

  3. CHECK INTERMITTENT INCIDENT

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

    Is the inspection result normal?

    YES 

    Replace steering angle sub control module. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace error - detected part.