LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2009 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0447 To P1168 >> DTC P0506 ISC System >> On Board Diagnosis Logic

On Board Diagnosis Logic

DTC DETECTING CONDITION 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