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Home >> Infiniti >> 2013 >> FX37 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1089 To P2138 >> DTC P1564: ICC Steering Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to "DTC LOGIC ". DTC CONFIRMATION PROCEDURE
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1564 ICC steering switch
  • An excessively high voltage signal from the ICC steering switch is sent to ECM.
  • ECM detects that input signal from the ICC steering switch is out of the specified range.
  • ECM detects that the ICC steering switch is stuck ON.
  • Harness or connectors (The switch circuit is open or shorted.)
  • ICC steering switch
  • ECM
  1. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

      : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
    3. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
    4. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 seconds.
    5. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
    6. Press DISTANCE switch for at least 10 seconds, then release it and wait at least 10 seconds.
    7. Check DTC.

      Is DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: INSPECTION END

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