This DTC sets when the engine idle speed is greater than the desired RPM.
Item | Detecting Condition | Possible Cause | |
Case 1 | DTC Strategy |
•
Engine speed is above the target while ISC torque is around the minimum | 1. Vacuum leak 2. Damaged PCSV 3. ETC 4. ECM 5. Intake air leak after throttle body |
Enable Conditions |
•
Vehicle speed = 0 mph
•
ECT > 60°C(140 °F)
•
Intake air temperature > -10.5°C(13.1 °F)
•
Accel. Pedal = 0%
•
BARO > 74.5 kpa(0.74 bar/10.80 psi) | ||
Threshold Value |
•
Actual engine speed - Desired engine speed > 200rpm
•
Actual Idle torque – Min. Idle torque > 20Nm | ||
Diagnostic Time |
•
8 sec | ||
Case 2 | DTC Strategy |
•
Fuel cut-off during stand-still and idle condition | |
Enable Conditions |
•
Vehicle speed = 0 mph
•
ECT > 60°C(140 °F)
•
Intake air temperature > -10.5°C(13.1 °F)
•
Accel. Pedal = 0%
•
BARO > 74.5 kpa(0.74 bar/10.80 psi) | ||
Threshold Value |
•
Fuel cut-off ≥ 3 times | ||
Diagnostic Time |
•
15 sec | ||
MIL ON Condition |
•
2 driving cycles | ||
