You can simulate heat with a heat gun or hair dryer if it only does this during normaloperating temperature. Figure which terminals you want to hook your DVOM or analog meter to and set on ohm scale. Slowly open the throttle to wide open and back to idle. If you are going to see a glitch it will be in the normal throttle position (angle) at highway speed. This is because this is the position the wiper is in contact with the other portion of the (potentiometer) TPS.
The ohm scale reads from 0-999, then 1000 or 1k, then up to 999k, then 1,000,000 or 1 meg.
HTH
Gene