How do you reset the check engine light on a 1999 Toyota Camry using the trip odometer?

In owner's manual see instrument cluster, see chart for "check light" which should footnote you to another section in the owner's manual. Here you'll find the procedure.

I have an'05. To reset: have odometer (not trip odometer) display showing; push in the odometer reset knob; while holding it in turn the ignition switch to "ON" position; continue to hold the odometer reset knob for a minimum of 5 seconds. Odometer will show zeros or dashes indicating procedure is done.