DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

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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