1997 1.8 TPS pinout? - Miata Turbo Forum -Boost cars, acquire cats.

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Old 10-06-2009, 10:08 AM   #1
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Default 1997 1.8 TPS pinout?

I bought a used Throttle body from a member here, and now I need some help identifying the terminals on the TPS. Can someone please inform me as to which pin does what? I just need 5v, ground, and analog. I don't care about WOT.

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Old 10-06-2009, 10:47 AM   #2
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The resistance between the VREF and ground pins will remain constant.
The resistance between the ground and signal pins will be low with the throttle closed and high with the throttle wide open.
The resistance between the VREF and signal pins will be high with the throttle closed and low with the throttle wide open.

ill take a stab in that dark without digging up diagrams...if it's like the earlier models: the bottom in GND, one up WOT, one up TPS signal, top 5vref.

or you can look on your harness connector:
Lt Green / Red = 5vref
Red/Blue = TPS Signal
Red = WOT Switch
Blk/ Blue = GND
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