IVS switch "idle validation switch" - Ford Powerstroke Diesel Forum
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  #1  
Old 09-17-2009, 07:13 PM
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IVS switch "idle validation switch"

Can someone tell me what this does, briefly what its supposed to do?
Its 2 wires near the acclerater pedal switch
thx
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Old 09-18-2009, 04:39 AM
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bump.......
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  #3  
Old 09-18-2009, 05:29 AM
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I didnt think the 99-03's had one of those. I thought that was an IDI only thing
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Old 09-18-2009, 06:12 AM
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not sure. i have 2 wires down there that look like it. ????
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Old 09-18-2009, 06:24 AM
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Are they coming from the throttle pedal. If so its the TPS
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Old 09-18-2009, 06:28 AM
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theres 3 wires for the tps. In front of it sort of are 2 wires?
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Old 09-18-2009, 07:29 PM
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that is an IVS. it tells the computer when the petal is starting to be pressed but before it starts the really tell what percentage its being pressed.
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Old 09-18-2009, 08:35 PM
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I read on another forum that the 99-01 has a IVS separate from the Accelerator position sensor, and in 2002 they combined both into one unit. I also heard that the sensors have a high failure rate and there is a big shortage of them right now.
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Old 09-19-2009, 02:30 AM
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high failure rate of the ivs or the aps?
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  #10  
Old 09-19-2009, 06:16 AM
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Quote:
Originally Posted by melmount View Post
high failure rate of the ivs or the aps?

The APS. The IVS is just a simple microswitch.
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