P0506

P0506

Idle Air Control at Stop - Below Limit

Diagnostic conditions
- Engine running
- Vehicle stationary
- Engine without load
- Engine temperature greater than 60 °C
- Intake air temperature greater than -10 °C
- No fuel tank ventilation or tank ventilation diagnosis
- No secondary air diagnosis
- Correction factor, height > 0.75 (height under 2,450 m)
- No faults in speed signal, throttle position sensor, engine temperature, EVAP canister purge valve or tank ventilation system

Possible cause of fault
- Throttle adjusting unit faulty

Affected terminals
-

Diagnosis/troubleshooting