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 long enough
- Air Intake Temperature
- Coolant Temperature
- 10V ≤ Ignition Voltage ≤ 16V
- Above conditions met period
- No intrumentation slew commanded
- OFVC Device Control Not Active
|
| Thresh old value |
- Real engine speed-Target engine speed <-100rpm
|
| Diagnosis Time |
|
| MIL On Condition |
|