91' automatic tps problem with megasquirt
#1
91' automatic tps problem with megasquirt
I'm pulling all the stuff together to turbo my 91' so I just ordered a MS1 PCB3.0 kit. My car used to be an automatic, but I swapped it out for a 5spd. All I did was swap the transmission so all the automatic electronics are still in it.
I thought I read somewhere that the automatic trans has a potentiometer tps and the manual has a simple on/off tps that only indicates full throttle. So my question is, a) is that correct about the tps and b) if it is correct what circuitry modification will I have to do to make it work (or if it is the same as 94 and up to wire the mega squirt that way)
-Spencer
I thought I read somewhere that the automatic trans has a potentiometer tps and the manual has a simple on/off tps that only indicates full throttle. So my question is, a) is that correct about the tps and b) if it is correct what circuitry modification will I have to do to make it work (or if it is the same as 94 and up to wire the mega squirt that way)
-Spencer
#2
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a) Yes.
b) No mods, same as '94-'95. Connect MS pin 26 (Vref) to ECU pin 2K (grn/red). Connect MS pin 22 (TPS) to ECU pin 2M (red/blk). Then just calibrate the sensor in MegaTune.
b) No mods, same as '94-'95. Connect MS pin 26 (Vref) to ECU pin 2K (grn/red). Connect MS pin 22 (TPS) to ECU pin 2M (red/blk). Then just calibrate the sensor in MegaTune.
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Zaphod
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10-26-2018 11:00 PM