The PCM monitors engine speed deviation from the target idle engine speed when the vehicle is stopped and the throttle valve opening is stable. The PCM sets DTC P0507 if the difference to the target idle engine speed is higher than the predetermined threshold.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Actual Idle Speed Deviation From the Target Engine Speed | 1. Poor Connector Connection 2. Air leak on Intake System 3. Vacuum Leaks 4. Defected PCSV 5. Defected Throttle Body |
Enable Conditions |
•
Engine Coolant Temp. higher than 163.4℉(73℃)
•
5 sec. elapsed after pedal value = 0% and vehicle speed = 0 mph
•
Battery voltage higher than 11V and lower than 16V
•
No relevant DTC present | |
Threshold Value |
•
Deviation of Current RPM and Target RPM higher than 200 RPM(Engine speed too High) | |
Diagnostic Time |
•
17 sec. | |
Mil On Condition |
•
2 Driving Cycle |
