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DTC P0506 Idle Air Control System-Rpm Lower Than Expected: DTC Detecting Condition
DTC P0506 DETECTING CONDITION TABLE
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Monitor deviation between target idle speed and actual engine speed
|
- Restriction in intake or exhaust system
- Carbonustment of the accelerator cable
- Contact resistance in connectors
- Faulty ISCA
|
| Enable Conditions |
- Coolant temperature >74°C (165.2°F)
- Closed throttle status
- Vehicle speed = 0
- 20sec. after engine start
- 10V < Battery voltage < 16V
- No relevant failure
|
| Threshold Value |
- Engine speed-Target idle speed < -100rpm (Engine speed too low)
|
| Diagnostic Time |
|
| MIL On Condition |
|