Give this a try, maybe you'll get lucky. Found on yota tech (post #15):
Electrical EL010-99 99 & 00 4Runner
Vehicle has to be sitting on a level surface with an inclination of +/- 0.5 degrees.
1.With the ignition switch in the Off position, press and hold the trip speedometer reset button.
2. Continue pressing the reset button while turning the ignition switch to the On position.
3. Within 5 seconds of turning the ignition switch On, release the trip switch, press trip switch 3 times and on the 3rd press, hold the switch for 5 seconds. The buzzer will sound for 1 second at 800HZ.
4. After the buzzer stops, release the trip switch.
5.Press the trip switch one more time and hold for 5 seconds. Once more the buzzer will sound for 1 second at 800HZ.
https://www.yotatech.com/forums/f2/3...em-pics-60260/