Calibrate an atv TPS sensor without OE tool

[@Ramshackle6984]

I can confirm this works. I have a 2016 Sportsman 570 that started having weird throttle issues. I troubleshot it and replaced the TPS and IAS, but didn't realize how precise the TPS had to be. Today I decided to give this a try. I used a computer power supply. A computer power supply 4 pin Molex connector has 5v on the red pin and ground on the black pin. I connected a piece of jacketed wire to one of the red pins and one of the black pins on the Molex connector. A 5v USB charger would work too, but the power supply has much better tolerance +/-. I then attached the wires from the Molex connector with small spade connectors to the pins on the TPS. Looking at the TPS connector from the wiring harness; orange is 5v in, green is voltage out, purple is the ground. I connected my red wire from the power supply to the left (orange) pin, connected the black wire to the right (purple) pin. I squeezed my red multimeter probe in to sit on the middle (green) pin and let the black probe sit on some bare wire where the black wire went into the Molex connector ground (set the multimeter to DC voltage and within voltage range .5-5v if it's not auto sensing). I then used a paperclip to jump the power supply to turn it on without a switch connected (ATX 24pin green to black pin jumper). The purpose is to supply the TPS 5v and measure what comes out of the middle pin. I can confirm that setting idle to .46v worked perfectly and my ATV runs great again! Thanks Jim for the video that pointed me in the right direction! I refuse to pay a dealer or shop their ridiculous prices to fix things when it can be done with common tools and some know-how. 👍

[@travishead372]

I have a question what is the out put setting if you messed up the throttle body screw I was wondering what the numbers were when the screw Is all the way out so I can reset it

[@jeffrme]

Roll Tide! Thanks for the help.

[@everydaycar3518]

You know you can just plug it into machine and check on red and yellow wire I think that’s for 800 idk about 570 I’m sure it’s about the same

[@chriswilliams6228]

Is it supposed to be .46 or .68?

[@jimtaylor3544]

.46

[@FPCCEM]

Jim, this was extremely helpful. Thank you for taking the time!

[@thomasstager6177]

What is you volt meter set to

[@8180634]

If you're giving it 3.3V input then it should be .46 output, if you're giving it 5V input then it should be .7V output. This video explains it: kzbin.info/www/bejne/fGO9qH-qbs1nqdU

[@8180634]

Those USB things are not very accurate, check to make sure it's giving you 5V. If it's off you will need to do a little math to figure out what the TPS output should be.

[@thilau5715]

...pour le cadrage il craint personne lui!😩😜😂