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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 C13AC-00: Control Module >> DAST 1 >> Diagnosis Procedure >> Diagnostic Test
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Diagnostic Test

  1. CHECK STEERING FORCE CONTROL MODULE POWER SUPPLY CIRCUIT (1)

    1. Turn the ignition switch OFF.
    2. Disconnect steering force control module harness connector.
    3. Check the voltage between steering force control module harness connector and ground.
      Steering force control module - Voltage (Approx.)
      Connector Terminal
      M72 34 Ground 10.5 - 16.0 V

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK STEERING FORCE CONTROL MODULE POWER SUPPLY CIRCUIT (2)

    1. Check the 60A fusible link (#G).
    2. Check the harness for open or short between steering force control module harness connector No. 34 terminal and the 60A fusible link (#G).

    Is the inspection result normal?

    YES 

    Perform the trouble diagnosis for battery power supply circuit. Refer to WIRING DIAGRAM - BATTERY POWER SUPPLY - .

    NO 

    Repair or replace error - detected parts.

  3. CHECK STEERING ANGLE SUB CONTROL MODULE POWER SUPPLY CIRCUIT (1)

    1. Turn the ignition switch OFF.
    2. Disconnect steering angle sub control module harness connector.
    3. Check the voltage between steering angle sub control module harness connector and ground.
      Steering angle sub control module - Voltage (Approx.)
      Connector Terminal
      E30 34 Ground 10.5 - 16.0 V

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    GO TO STEP 4  .

  4. CHECK STEERING ANGLE SUB CONTROL MODULE POWER SUPPLY CIRCUIT (2)

    1. Check the 100A fusible link (#H).
    2. Check the harness for open or short between steering angle sub control module harness connector No. 34 terminal and the 100A fusible link (#H).

    Is the inspection result normal?

    YES 

    Perform the trouble diagnosis for battery power supply circuit. Refer to WIRING DIAGRAM - BATTERY POWER SUPPLY - .

    NO 

    Repair or replace error - detected parts.

  5. PERFORM SELF-DIAGNOSIS

    G-20With CONSULT 

    1. Turn the ignition switch ON.
    2. Erase self-diagnosis for "DAST 1".
    3. Turn the ignition switch OFF and wait for at least 10 seconds.
    4. Start the engine.
      CAUTION:

      Never drive the vehicle.

    5. Perform self-diagnosis for "DAST 1".

    Is DTC "C13AC - 00" detected?

    YES 

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

    NO 

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