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My suspicion centers on the linkage and the electric lock actuator. I shall know more when I remove the panel. I suspect the linkage may have been bent or the actuator damaged when the passenger applied pressure to the passenger side door handle, binding the mechanism at the moment of activation by the key. The actuator may have bent the linkage. I will know more tomorrow. I located a diagram on-line of how the device works and I have some engineering skills. Tomorrow tells the tale.Doc
I was right, the actuator is jammed and the linkage bent, so no your answer wasn't any help and I ended up doing what I started out to do. Remove the inner door panel. Doc