Checking idle RPM under detecting condition, if the real idle speed is lower than desired idle speed by 100 RPM over 8 sec. ECM/PCM sets P0506.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Engine speed is below the target while ISC torque is around the maximum | 1. Intake system for blockage |
Enable Conditions |
•
Vehicle speed = 0
•
ETC > 60℃ (140℉)
•
IAT > -10.5℃ (13.1℉)
•
Accel. Pedal = 0%
•
BARO > 74.5 kPa | |
Threshold Value |
•
Desired engine speed – Actual engine speed >100 rpm
•
Max. idle torque – Actual idle torque < 10 Nm | |
Diagnostic Time |
•
8sec | |
Mil On Condition |
•
2 Driving cycle |