LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2011 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0506: Idle Air Control System-RPM Lower than Expected >> General Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Information: DTC Detecting Condition

DTC DETECTING CONDITION REFERENCE CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor idle speed
  1. Intake system for blockage
Enable Conditions
  • Vehicle speed = 0
  • Coolant temperature > 70°C (158°F)
  • Intake air temperature > -7.5°C (18.5°F)
  • Accel. Pedal = 0%
Threshold value
  • Desired engine speed - Actual engine speed > 100rpm or max. Idle torque - Actual Idle torque < 100Nm
Diagnosis Time
  • 8 sec
MIL On Condition
  • 2 driving cycles
scientia non olet · About LEMON Manuals