DTC P0506 Idle Air Control System-Rpm Lower Than Expected: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Determines if a low idle condition exists.
|
- Poor connection
- Intake/Exhaust system for blockage
- Throttle plate for carbon deposits
- Faulty ETS motor
- Faulty TPS
- Faulty ETS system
- Faulty PCM
|
| Enable Conditions |
- Normal Idle conditions
- Canister Purge Fuel Flow ≤ 100
- Barometric Pressure > 72kPa
- Engine running ≥ 2 sec
- Air Intake Temperature ≥ -20 °C (-4°F)
- Coolant Temperature ≥ 0°C (32°F)
- 11V ≤ Ignition Voltage ≤ 16V
- Above conditions met period > 3 sec
|
| Threshold value |
- Real engine speed - Target engine speed < -100rpm
|
| Diagnosis Time |
|
| MIL On Condition |
|