Dishwasher won't drain

Dishwasher Repair
1

I have replaced the drain pump and there is no clogsin the drain lines. I am not sure if it is electrical or a sensor. If any one has any ideas please let me know. Thank you very much. MP:)

3

Does the drain pump run when the dishwasher should drain?

Here are the breakdown diagrams and http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5148521

Gene.