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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 5) >> DTC/Circuit Diagnosis >> DTC P0507: ISC System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0507

00

ISC SYSTEM

(Idle Control System RPM - Higher Than Expected)

Diagnosis condition

Engine running at idle

Signal (terminal)

--

Threshold

The idle speed is more than the target idle speed by 200 RPM or more

Diagnosis delay time

--