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DTC P0506 Idle Air Control System-Rpm Lower Than Expected: DTC Detecting Condition
DTC DETECTING CONDITION AND POSSIBLE CAUSE
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Monitor deviation between target idle speed and actual engine speed
|
- Restriction in intake or exhaust system
- Adjustment of the accelerator cable
- Contact resistance in connectors
- Faulty ICA valve
|
| Enable Conditions |
- Coolant temperature > 73°C (163.4°F)
- Throttle angle: closed
- Vehicle speed = 0
- 10 seconds after engine start.
- 10V < Battery voltage < 16
- No relevant failure
|
| Threshold Value |
- Engine speed-Target idle speed < -100 RPM (Engine speed too low)
|
| Diagnostic Time |
|
| MIL On Condition |
|