Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1148 To P2A03 >> DTC P1564: ICC Steering Switch >> On Board Diagnosis Logic

On Board Diagnosis Logic

This self-diagnosis has the one trip detection logic. 

The MIL will not light up for this self-diagnosis. 

NOTE: If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to "ON BOARD DIAGNOSIS LOGIC ".
DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1564
1564		 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
  • Combination switch (spiral cable)
  • ECM
scientia non olet · About Mike's Workshop Manuals