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Are you logging boost, with the same sensor for your MAPECU? If so, I don't know how/if that would work. Ask Zeitronix for info about that.

Give this a shot. I'm not sure if the control box will give an output if there is no o2 input, but try: Disconnect the RJ45 (o2 connector) from the control box. Then startup and wait for thirty seconds or so then see if there is any input to your notebook i.e. rpm, tps, boost, vf if you...

No, not if the 5v signal is good. Check the continuity of your RJ11 to serial cable (DB9): RJ11 - DB9 1 - 3 2 - 2 3 - 7 4 - 5 (If it's a 4pin RJ11)

You probably confirmed you had the correct serial port selected in the software as outlined here: http://www.zeitronix.com/zdl/zdl_setup_determine_com_port.htm Then checked the signal harness for 5V as described here: http://www.zeitronix.com/zdl/zdl_setup.htm

this is the display: but I guess if you don't know what it is then I suppose you don't have one.

Did you use the same USB-Serial cable on all three different computers? Have you tried a computer with a real serial port? Did you get the ZT-2 display? There is a wiring write-up in my sig you could use to verify your wiring.

I made a worksheet, linked in my sig, you can use with your wideband logs to assist you in tuning your safc.

compressor surge: http://s80.photobucket.com/albums/j187/isnms/Supra/?action=view&current=CompressorSurge.flv

Here is the updated link - http://www.supras.com/06/techcenter/display.php?QID=66

Nice thread. This shows up occasionally, but kind of rare. GReddy Rebic LC CPU II

I didn't do any tuning on the dyno, just two runs for results. I did my street tuning for low 11's. It showed richer on the dyno. Good luck on your session. My results should get me into 24th spot :D

318HP/364TQ, 15psi I still have some room to improve. My made my street tune for around 11A/F but on the dyno it dipped deep into the 10's.

Sweet!!

'occasional'... You must not be getting all of them then.... j/k Cheers SM!!

Hope it's nothing to serious. I'm going to dyno mine tomorrow... I'm hoping for half what you made :)

COOL! Looks like the MKIII gets a lot of air time :bigthumb: Think I'll check it out just because of it.

How did you do?

A GTech Pro could measure that for you.

Glad you figured it out. I don't have an answer for the resistor value. Just to add to what ground to use: http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FI&P=50 E01 = Power Ground E1 = Computer Ground

Here is some EGT info: http://www.supramania.com/forums/showthread.php?p=370984&post370984