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Home >> Infiniti >> 2008 >> EX35 Base, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0451 To P1212 >> P0507 ISC System >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P0507 is displayed with other DTC, first perform the trouble diagnosis for the other DTC.
DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0507 Idle speed control system RPM higher than expected The idle speed is more than the target idle speed by 200 rpm or more.
  • Electric throttle control actuator
  • Intake air leak
  • PCV system