2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Trying to adjust TPS, where the hell is the green diagnostic connector??

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Old Nov 28, 2006 | 07:06 PM
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Trying to adjust TPS, where the hell is the green diagnostic connector??

The write up says there is a green 3-wire diagnostic connector by the pressure sensor.. i cant find it on my car???

10th AE
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Old Nov 28, 2006 | 07:19 PM
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All i have down there is the fuel pump check connector. The only green check connectors i have is by the leading ingnitor! Help please
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Old Nov 28, 2006 | 08:01 PM
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forget the check connector just do a voltage adjustment, it should be set at 1 volt with the throttle closed. hook up your black voltmeter wire to the negative terminal on the battery and the red jumper to the green wire off the TPS connector and adjust the screw til it reads 1 volt with the throttle fully closed.
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Old Nov 28, 2006 | 08:48 PM
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The green connector is towards the front on passenger side of the engine compartment. Sometimes they get shoved down where they're hard to see.
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Old Nov 29, 2006 | 05:04 PM
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I thought you were supposed to check the TPS using a resistance checker? Not a voltmeter...

1 ohm resistance at idle or 1 volt??
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Old Nov 29, 2006 | 05:08 PM
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I just checked mine this morning, from start to finish it took me about 10 minutes, thats including removing the tmic... I used this sites method, much easier to do imo

http://fc3spro.com/TECH/HOWTO/TPS/tps.html

and yes, voltmeter. i got mine set to 1.05v idle and around 5 wot, with smooth transition
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Old Nov 29, 2006 | 05:12 PM
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The site says to adjust the TPS to 1k-ohm at idle.... not volts?

COnfused here.
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Old Nov 29, 2006 | 05:19 PM
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I always set mine at 1.0ohm at idle. Then also check it while going from idle position to wot position making sure that it is not out of the perrameters listed in the link above ie..(5ohms). I have not had any problems using this method.

Be sure to watch your meter whatch your meter while moving throttle plates from idle to wot for flat spots or dead areas.
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Old Nov 29, 2006 | 05:24 PM
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the green connector you are looking for is bundled with the vacuum valves for emissions on the turbo models. look right near your oil fill spout.
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Old Nov 29, 2006 | 05:26 PM
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Originally Posted by fusion-turbo
The site says to adjust the TPS to 1k-ohm at idle.... not volts?

COnfused here.
yeah i guess it is ohms. my voltmeter i used is so ghetto i couldnt tell what setting it was on and half of the digits on the display didnt work. so i sorta tried till i got the right one
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Old Nov 30, 2006 | 07:53 AM
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Originally Posted by FCKing1995
yeah i guess it is ohms. my voltmeter i used is so ghetto i couldnt tell what setting it was on and half of the digits on the display didnt work. so i sorta tried till i got the right one
Get a new one, cheapass.

I prefer an analog (needle... whatever they're called) meter for the tps. It lets you see dead spots better.
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Old Nov 30, 2006 | 08:40 AM
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here's this too.
http://howto.globalvicinity.com/gv_w...i=58&co=1&vi=1
but you pretty much got the site from FCking.
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Old Nov 30, 2006 | 09:01 AM
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People, please, get it right. It's 1K at idle. That is 1 kilo-ohm. As in 1000 Ohms.

Don't mess around with voltage readings and setting it with check lights. In my experience, those don't work. Follow the instructions on Ted's site and you will be fine.
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