LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2012 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> 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

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring deviation between target idle speed and actual engine speed
  1. Restriction in intake or exhaust system
  2. Contact resistance in connectors
  3. Faulty ETC
Enable Conditions
  • Coolant temp. > 165°F
  • Time elapsed after (pedal value = 0% and vehicle speed = 0mph)
  • 11< Battery voltage <16
  • No relevant failure
Threshold Value
  • Current RPM < Target RPM - 100rpm Engine speed too Low
Diagnostic Time
  • 17 sec.
Mil On Condition
  • 2 driving cycle
scientia non olet · About LEMON Manuals