P0506: Idle Air Control System-RPM Lower than Expected: DTC Detecting Condition
P0506 IDLE AIR CONTROL SYSTEM-RPM LOWER THAN EXPECTED
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Monitor deviation between target idle speed and actual engine speed
|
- Restriction in intake or exhaust system
- Carbon buildup or adjustment of the accelerator cable
- Contact resistance in connectors
- Faulty ICA valve
|
| Enable Conditions |
- Coolant temperature >74 °C (165.2 °F)
- Closed throttle : 10 sec. (continuously)
- Vehicle speed = 0
- 20 sec. after engine start.
- 10 V < Battery voltage < 16 V
- No relevant failure
- Engine load < 1000 mg/rev
|
| Threshold Value |
- Engine speed-Target idle speed < -100 RPM (Engine speed too low)
|
| Diagnostic Time |
|
| Mil On Condition |
|