Checking idle RPM under detecting condition, if if the real idle speed is lower than desired idle speed by 100 RPM over 8 sec. ECM sets P0506.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitor idle speed | 1. Intake system for blockage |
Enable Conditions |
•
Vehicle speed = 0
•
Coolant temperature is higher than 70℃ (158℉)
•
Intake air temperature is higher than -7.5℃ (18.5℉)
•
Accel. Pedal = 0% | |
Threshold Value |
•
Desired engine speed is over 100rpm greater than atucal engine speed | |
Diagnostic Time |
•
8 seconds | |
MIL ON Condition |
•
2 driving cycle |
