FixVault

DTC P0506 Idle Air Control System-Rpm Lower Than Expected: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor idle speed
  • Intake system for blockage
Enable Conditions
  • Normal idle conditions
Threshold value
  • Real engine speed is lower than target engine speed by 100 RPM
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles