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Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Direct Adaptive Steering) (DTC/Circuit Diagnosis) >> DTC / Circuit Diagnosis >> DTC C13E5-00: St Clutch Release Protection >> EPS/DAST 3 >> Diagnosis Procedure >> Diagnostic Test
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Diagnostic Test

  1. CHECK THE STEERING CLUTCH

    Check the steering clutch. Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Steering clutch is malfunction. Replace steering clutch assembly. Refer to REMOVAL AND INSTALLATION .

  2. CHECK THE CLUTCH CIRCUIT

    1. Disconnect steering force control module.
    2. Check the continuity between steering force control module harness connector and steering clutch harness connector.
      Steering force control module Steering clutch Continuity
      Connector Terminal Connector Terminal
      M71 26 M156 1 Existed
      28 3
    3. Check the continuity between control module harness connector and ground.
      Steering force control module - Continuity
      Connector Terminal
      M71 26 Ground Not existed
      28

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace error - detected part.

  3. REPLACE STEERING CLUTCH

    G-20With CONSULT 

    1. Replace steering clutch assembly. Refer to REMOVAL AND INSTALLATION .
    2. Start the engine.
      CAUTION:

      Never drive the vehicle.

    3. On the CONSULT screen, select "EPS/DAST 3">>»"DATA MONITOR">>"TORQUE SEN MAIN 1".
    4. Check that the value is within standard value while steering the steering wheel.
      Monitor item Standard value (Approx.)
      TORQUE SEN MAIN 1 - 0.9 N•m ≤ TORQUE SEN MAIN 1 ≤ 0.9 N•m

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 4  .

  4. REPLACE STEERING FORCE CONTROL MODULE

    G-20With CONSULT 

    1. Replace steering force control module. Refer to REMOVAL AND INSTALLATION .
    2. Start the engine.
      CAUTION:

      Never drive the vehicle.

    3. On the CONSULT screen, select "EPS/DAST 3">>»"DATA MONITOR">>"TORQUE SEN MAIN 1".
    4. Check that the value is within standard value while steering the steering wheel.
      Monitor item Standard value (Approx.)
      TORQUE SEN MAIN 1 - 0.9 N•m ≤ TORQUE SEN MAIN 1 ≤ 0.9 N•m

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace steering gear assembly. Refer to REMOVAL AND INSTALLATION .