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Home >> Nissan-Datsun >> 2019 >> Maxima SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P0506: ISC System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

The idle speed is less than the target idle speed by 100 rpm or more.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0506

ISC SYSTEM

(Idle air control system RPM lower than expected)

Diagnosis condition

Start engine and let it idle

Signal (terminal)

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Threshold

The idle speed is less than the target idle speed by 100 rpm or more

Diagnosis delay time

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