SAFC Install, wont start? Help!

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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Zkyline
Posts: 123
Joined: Tue Aug 04, 2015 10:57 pm
Car: 300zx. Rb25det swap

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I have searched this, and everyone who has had an issue usually double checked andnfound their wiring was wrong. Mine isnt. I have throttle, tach, power, both grounds, (brown and black, spaced 2cm apart, brown towards ecu) and AFM signal wire cut, white wire IN to SAFC, yellow OUT to ecu.

Verified all this through moniter mode, I can see my TPS voltage, and throttle input change with pedal position, can see RPM while cranking, and airflow change when cranking, and with throttle open or closed. Just wont start!?!?

I got some sputtering, and now have nothing. Its an SAFC 1 blue screen. Engine is RB25DET, but for all intents and purposes the SAFC is reading it as a VG30DE, as im using the z32 AFM, ECU, and most of the harness. And none of that is an issue, ive been daily driving the car for about 8 months, drove it up the driveway, installed the SAFC, now it wont start.

I know the simple answer is just remove it, but I really NEED to be able to tune this thing.

Guess im asking if anyone is running one of these, am I missing something? I first initialized it, and have it set to Hot wire 2 in 2 out then 1 and 1. Car type 6cyl, arrow up to the right. Are those all the settings it should need to run?

I also checked, just in case the SAFC wasnt giving a AFM signal out, and with a volt meter, I have 3.5v IN and OUT on the AFM signal wire with IGN on.

Can someone please let me know if im missing something with this thing, because the manual is really hard to read with its broken english translation. Lol.


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Zkyline
Posts: 123
Joined: Tue Aug 04, 2015 10:57 pm
Car: 300zx. Rb25det swap

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Figured it out, my SAFC wiring was good, my Bee*R limiter wiring wasnt. FYI in very small print in the manual it says "if car doesnt start, reverse green and yellow wires" smh.

z.Leinbach
Posts: 504
Joined: Thu Aug 06, 2015 10:08 pm
Car: 1990 Nissan 300ZX NA T-top
Location: Kennewick, Wa
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Would you recommend a Bee*R with a VG30DETT swap?? It would be going into a NA chassis, with a hopeful z1 400HP package

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Zkyline
Posts: 123
Joined: Tue Aug 04, 2015 10:57 pm
Car: 300zx. Rb25det swap

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Havent had a chance to try it out yet. But it is extremely simple to install. Just 4 wires, 5 if you wire up the ebrake


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