Monitoring criteria
When the DME is activated (wake-up) it assesses the current VVT sensor angle based on the last VVT sensor angle prior to shutdown. If there is a substantial difference in the two angles, the operative assumption will that substantial repairs have been carried out on the cylinder head. The VVT travel limit positions must be re-initialized. No VVT sensor faults should be present (#10800, #10801,#10802).