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Home >> Infiniti >> 2013 >> FX37 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Control System - DTCS P1212 Through P2138) >> DTC P1564: ASCD Steering Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to "DTC LOGIC ".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1564 ASCD steering switch
  • An excessively high voltage signal from the ASCD steering switch is sent to ECM.
  • ECM detects that input signal from the ASCD steering switch is out of the specified range.
  • ECM detects that the ASCD steering switch is stuck ON.
  • Harness or connectors (The switch circuit is open or shorted.)
  • ASCD steering switch
  • ECM