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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (6 OF 9))DTC/CIRCUIT DIAGNOSISDTC P1564: ASCD STEERING SWITCHDTC LOGICDTC DETECTION LOGIC
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Detection Logic

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Detection Logic
WARNING: This page is about a different variant/trim than selected.
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

(Trouble diagnosis content)

DTC detecting condition

Possible cause

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.
  • Harness or connectors

    (The switch circuit is open or shorted.)

  • ASCD steering switch
  • ECM
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are not confident in the next step or safety outcome.