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Message: [QUOTE="Sixfoh, post: 1558124, member: 32072"] You know its funny you mention TPS, i think that would be a great candidate to use. I believe it has three sensors within the assembly and they cross reference one another to verify accuracy. I believe two go from 0-5V, parallel with one another and the last one goes from 5V-0. I did a little digging around last night for the voltage parameters on the LBZ/LML pump and found some conflicting information, or i got side tracked and confused information. Either way, the two styles i saw for the cp3s FCA were 5V or 12V on the positive wire. I need to verify which it is. But both seemed consistent in the fact that power was a constant supply and ground was used in a pulse to control the units pressure. If the ground is not present, there is a OL condition, the FCA is closed, which results in max pressure/full tilt. This is currently my situation since i have no electrical connected to my cp3. When ground is introduced full time, the circuit makes full voltage, either 5V or 12V(still unsure) and the pressure is at its minimum, FCA wide open. Pulsing of the ground from my understand limits voltage to get the spaces in between. Finding these charts and sweeps i think is critical to dial in the cp3. However if i get the basic premise down, like appropriate voltage, i can probably get a pretty basic algorithm loaded onto a microprocessor and start with that. 0V-5V basic system example: 5V or 4.8V @ Idle (possible concerns of low pressure here if too much voltage is applied. Will the K16 backfeed the CP3 if the FCA commanded too far open?) 4V @ 20% Throttle 3V @ 40% Throttle 2V @ 60% Throttle 1V @ 80% Throttle 0V @ WOT (i dont see any concerns here) [/QUOTE]

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