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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0850 Through P2A03 >> DTC P1564: ICC Steering Switch >> DTC Logic >> DTC Detection Logic

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 DETECTION CONDITION CHART

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
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