Tom, this sounds a lot like the problem I had over the winter - a wire harness clip broke on the underside, and the wires were hanging on the catalytic convertor. The insulation started to melt off and I got all sorts of sporadic ToD "check" and "ABS" warning lights, just like you are describing. After a couple of weeks of that, I finally shorted out the ToD fuse and all of the ToD lights went dark (don't recall what the ABS light did at that point).