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Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Electric Power Steering) (DTC/Circuit Diagnosis) >> DTC / Circuit Diagnosis >> Power Steering Warning Lamp >> Diagnosis Procedure >> Diagnostic Test
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Diagnostic Test

  1. PERFORM SELF-DIAGNOSIS

    G-20With CONSULT 

    1. Turn the ignition switch OFF to ON.
    2. Perform "EPS/DAST 3" self-diagnosis.

    Is any DTC detected?

    YES 

    Check the DTC. Refer to DTC INDEX .

    NO 

    GO TO STEP 2  .

  2. CHECK POWER STEERING WARNING LAMP SIGNAL

    G-20With CONSULT 

    1. Turn the ignition switch ON.
    2. Select in "WARNING LAMP" in "DATA MONITOR" in "EPS/DAST 3".
    3. Check that the item in "DATA MONITOR" is "On".
      CAUTION:

      Never start the engine.

    4. Start the engine.
      CAUTION:

      Never drive the vehicle.

    5. Check that the item in "DATA MONITOR" is "OFF".

    Is the inspection result normal?

    YES 

    Perform the trouble diagnosis for combination meter power supply circuit. Refer to DIAGNOSIS PROCEDURE .

    NO 

    GO TO STEP 3  .

  3. CHECK TERMINALS AND HARNESS CONNECTORS

    Check the power steering control module pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal?

    YES 

    Power steering control module is malfunctioning. Replace steering gear assembly. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace error-detected parts.