LEMON Manuals: Even more car manuals for everyone: 1960-2025
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 P0507: ISC System >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

The idle speed is more than the target idle speed by 200 rpm or more.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0507

ISC SYSTEM

(Idle air control system RPM higher than expected)

Diagnosis condition

Start engine and let it idle

Signal (terminal)

--

Threshold

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

Diagnosis delay time

--