If difference between target VVT angle and actual VVT angle is out of threshold value, ECM/PCM sets DTC P0014.
Item | Detecting Condition | Possible Cause | |
DTC Strategy | Case 1 |
•
Target error check | 1. Poor connection 2. Contamination of Oil / Clog of Oil path 3. OCV(Exhaust) 4. CVVT |
Case 2 |
•
Slow response check | ||
Enable Conditions | Case 1 |
•
40℃ < Coolant Temp. < 125℃
•
1000 < RPM < 6600
•
Target VVT angle - VVT angle > 6 deg for 2 sec.
•
Time after engine start > 10 ~ 60 sec. | |
Case 2 |
•
40℃ < Coolant Temp. < 125℃
•
1000 < RPM < 6600
•
Target VVT angle - VVT angle > 6 deg for 2 sec.
•
Time after engine start > 10 ~ 60 sec. | ||
Threshold Value | Case 1 |
•
∆ VVT angle < 3 deg over 5 times | |
Case 2 |
•
∆ VVT angle > 3 deg over 5 times | ||
Diagnosis Time |
•
- | ||
MIL On Condition |
•
2 trips | ||
