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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0447 To P0850 (Qr25DE) >> DTC P0506 ISC System >> On Board Diagnosis Logic
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On Board Diagnosis Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSES CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0506 0506 Idle speed control system RPM lower than expected The idle speed is less than the target idle speed by 100 RPM or more.
  • Electric throttle control actuator
  • Intake air leak