The ECM monitors engine speed deviation from the target idle engine speed when the vehicle is stopped and the throttle valve opening is stable. The ECM sets DTC P0507 if the actual engine speed is greater than desired engine speed.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Idle speed monitoring | 1. Poor connector connection 2. Air leak on intake system 3. Vacuum leaks 4. Faulty PCSV 5. Faulty throttle body | |
Enable Condition |
•
Vehicle speed is 0 mph (0 km/h)
•
Coolant temperature is higher than 60℃(140℉)
•
Intake air temperature is higher than -10.5℃(13.1℉)
•
Acceleration pedal position is 0% | ||
Threshold Value | Case 1 |
•
The actual engine speed is greater than desired engine speed by 200rpm
•
The actual idle torque is less than target idle torque by 20Nm | |
Case 2 |
•
Fuel cut-off is higher than 3 times | ||
Diagnosis Time |
•
8 sec. | ||
MIL ON Condition |
•
2 driving cycles | ||
