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. PCM 5. Intake air leak after throttle body |
Enable Conditions |
•
Vehicle speed = 0 mph
•
ECT greater than 60°C(140 °F)
•
Intake air temperature greater than -10.5°C(13.1 °F)
•
Accel. Pedal = 0%
•
BARO greater than 74.5 kpa(0.74 bar/10.80 psi) | ||
Threshold Value |
•
Difference of Actual engine speed and Desired engine speed greater than 200rpm
•
Difference of Actual Idle torque and Min. Idle torque greater than 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 greater than 60°C(140 °F)
•
Intake air temperature greater than -10.5°C(13.1 °F)
•
Accel. Pedal = 0%
•
BARO greater than 74.5 kpa(0.74 bar/10.80 psi) | ||
Threshold Value |
•
Fuel cut-off equal to or greater than 3 times | ||
Diagnostic Time |
•
15 sec | ||
MIL ON Condition |
•
2 driving cycles | ||
