The PCM monitors the variable valve timing position for an over-advanced camshaft timing during cold start up. The PCM sets DTC P052A when the camshaft(Intake) timing exceeds a maximum calibrated value or remains in an advanced position.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Max error of Difference of setpoint angle and actual angle during Cold start strategy | 1. Poor connection 2. Contamination of Oil / Clog of Oil path 3. OCV(Intake) 4. CVVT |
Enable Conditions |
•
Time after engine start greater than 3sec
•
Catalyst heating Active
•
Engine speed greater than 1000rpm | |
Threshold value |
•
Difference of Setpoint angle and Actual angle greater than 8 deg | |
Diagnosis Time |
•
5 sec. | |
MIL On Condition |
•
2 driving cycles |
