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Hi tuners i have an e15et in my b12 and going trough my car parts box came across an Apexi SAFC and i am trying to wire it in but having a problem with the maf wiring and number to set the safc to in the settings the ecu digram i got off a .au web site has some difference in the pin layout have any of u tuners wired any one of the safc's on an E15ET and can help with the maf pin layout i need to know the return signal pin from the maf to the ecu and the number for the maf on the safc below is the digram i got Thank for any help

Easiest way to do it my friend is a continuity test. From Maf plug to ecu plug, real simple.

keep in mind you are gonna have to CUT the maf wire to the ecu. from MAF>safc>ecu

like Zac said, do a continuity test and locate the correct MAF wire.

not sure of the IN/OUT settings for your application, i used 4/4 for my rb and a friend uses the same for his sr. unless your maf is from another motor, i'd start with 1:1


google the installation manual...its available on a couple sites readily.

Thanks I have done a contiunity test ane found the wires from the maf but not sure witch is the retune signal wire A B C or D

1 wire would the ground, the second a 12 volt and the third the 5 volt read wire, not in that order.
With your multimeter you can eliminate the 12v and ground.
Zac