2JZ FPC from ECU 0v all the time

MrOizo

New Member
May 24, 2008
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Auckland, New Zealand
Hey hey.

I have had a bit of reworking going on for the fuel pump and have got a kit to sense any voltage on the FPC wire to switch a relay. This is to do away with the FP ECU and only having one speed on the Bosch 044

I have been trying to test it but i am getting no voltage from this wire. Everywhere i have read says this should put out a 3-5v signal.

When the key is turned to ON (or Start), i should have 5v and then 0v after a few seconds if the engine hasnt started yet. I have 0v all the time.

Is there something that i might have forgotten to plug in to not have any voltage on this wire? Hmmmmm

Cheers.