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Home >> Infiniti >> 2017 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (4 Of 4) >> DTC/Circuit Diagnosis >> DTC P1564: ASCD Steering Switch >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)		 DTC detection condition
DTC P1564 ASCD: SW
(ASCD steering switch)		 Diagnosis condition Ignition switch ON
Signal (terminal) ASCD steering switch signal
Threshold
  • 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
Diagnosis delay time -
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