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Home › Infiniti › 2014 › Q50 Base, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P1236 To P2138 (Except Hybrid) › DTC P1564: ASCD Steering Switch › DTC Description › DTC Detection Logic

DTC Detection Logic

DTC DETECTION CONDITION

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P1564 ASCD SW (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.
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