TPS Calibration using ohms
So I know how to calibrate the tps using the voltage measurements from the TPS wires to the harness but I'm wondering if I can use ohms (resistance) that way I do not have to hook the TB up to the car in order to calibrate it.
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terminal 1 and 2 should yield .5 to .9 K-ohms throttle fully closed
terminal 2 and 3 should yield 4.5 K-ohms throttle fully closed |
I don't know but what about using a five volt supply to calibrate when it's off the car? If you have an old ATX computer power supply, the red wire output is 5VDC. USB ports are 5v too.
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Thanks Dr. Drivability
and @Roader I was also thinking about that but I have to get a scrap connector to make it a little easier. I have adapters and stuff I can hook up for a power source. |
why???
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The initial calibration write up I used had voltages and was used when the tps was hooked up. I figured ohms would be easier since no power source is needed but wasnt sure if it was something that would vary from each car. I couldnt anything on hondas in particular.
But this is much easier, I could try the voltage approach using a usb cable and a connector to verify if I get bored. |
if you're bored, i gots a front yard that needs mowing and my back yard needs a couple bushes pulled out...and while you're at it the house could use a fresh coat of paint ;)
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haha, not my idea of killing time :P
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I'm getting resistance readings from the first two terminals but nothing from the second and third.
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To determine which pins to measure resistance (or voltage) I would download the 94 shop manual. The common diy thread on top of the gen tech help forum has a link to online shop manuals.
If access is a pain, you can do the measurement at the proper ECU pins. |
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