1992 Lexus Es 300 "speed odometer zero" Questions

odometer is still working so I don't know what exactly happened. I was driving on the highway when it fell to zero and stayed there. Thanks for any help, I have phoned the automotive shop and they are

...may not have an adjustment to return the idle level back to zero, when sitting motionless.  If it does have an adjustment, it will be in plain view around the odometer/dashboard speed

...odometer frooze, the speedometer suddenly waffled between true speed and zero for a couple of minutes then it died at zero mph, and the criuse control now can't engage with console control and/or ...

...odometer return back to operation. May be a bad speed sensor in the transmission. Perform an OBDII scan of the stored fault history. I think it may be a bad electronic piece behind the speedo. ...

...ODOMETER QUIT WORKING SPEEDOMETER STARTED BOUNCING FROM ZERO TO CURRENT SPEED OR WOULDNT WORK THEN STARTED WHILE DRIVING A COUPLE OF DAYS AFTER SPEEDOMETER QUIT WORKING THE ODOMETER QUIT HAVE BEEN ...

the Vehicle Speed Sensor parameter does not match the speedometer display, replace the IPC. Verify that the odometer is operating properly. ? If the odometer is not operating properly, replace the IPC

...odometer ONLY when the inside of the vehicle is hot. In cool mornings it works fine but in hot afternoons both go to zero. After the inside of the car cools (with A/C), they come back to operation. ...

SPEED OR NOT WORKING. IT FINALLY STOPPED WORKING ODOMETER WORKED FOR A COUPLE OF DAYS THEN STOPPED. THIS MODEL DOESN'T HAVE A CABLE LIKE IT SHOWS IN MANUAL NEED DIAGRAM OF SENSORS WHEN LOOKING

...odometer works all the time. It seems most meters works on sunny days or dry days. When the weather is changing to bad, meters often fail to work. Speed meter stays at zero, and engine tempeter meter ...

...since. Now today when I drove it the speedometer and odometer are stuck at zero. Could be a problem with the engine computer, or the speed sensor in the transmission. Is the check engine light on