ZT2 Wideband Questions

[prsrcokr]

For those using the ZT@ to datalog, are your rpm points accurate? I have the signal (green) coming from the ignition signal to ecu and the scaling in the software is set for 6 cyl. but my data show 7k-7.5k at times where as I haven't reved higher than 5.5k. Has anyone else had this problem?
Any solutions?
Thanks,
Brian W-88T

 

[isnms]

for 89-90, signal IGF or IGT should work. check out this write up
http://www.supramania.com/forums/showthread.php?t=100

edit: just saw you have an 88. suprra_girl has the 87 tsrm online, see if she has the wiring diagram
http://www.supramania.com/forums/showthread.php?t=169

 

[prsrcokr]

I'm using the IGf signal and I used the wiring diagram. I'm just wondering why the numbers are off by such a large amount. Is everyone else getting accurate rpm readings?

 

[isnms]

Sorry man, works perfect for me :duno
you could verify:
http://www.supra.co.nz/87tsrm/EFI/efi37.htm
http://www.supra.co.nz/87tsrm/EFI/efi51.htm

I attached a sample of one of my runs

 

[Blue87T(Dan)]

My readings were doing the same but I had mine set a 4 cylinder. Once I set it to 6, the ZT2, SAFC2, and my tach all match.

Good luck.

Dan

 

[Justin]

I just got my zt2 in the mail... it has a 'Wideband Analog Output'


if it doesn't work with my e01, can i hook it upto my Autometer A/F gauge? Right now its just a light show, but I don't have anything to replace it...

 

[Idealsupra]

I just got my zt2 in the mail... it has a 'Wideband Analog Output'


if it doesn't work with my e01, can i hook it upto my Autometer A/F gauge? Right now its just a light show, but I don't have anything to replace it...

i put this in here and changed the thread title...try and keep all the zt2 discussion to one informative thread.

 

[Justin]

hah, i thought i made a mistake and posted wrong

 

[Justin]

Hmm... I don't know where to look in my TSRM for the tach wire for my ZT2... what section should i look in?


Found it


http://www.mohdparts.com/emanage/install/supra_mk3/supra_mk3_install.jpg

 

[Justin]

Lots of questions.... Would a Serial---> USB adapter work for this? My laptop doesn't have a Serial port



http://www.bouscal.net/images/wideband/ extremely large pics of my new toys

 

[isnms]

Ideal - but you didn't include the very first post on it
http://www.supramania.com/forums/showthread.php?t=100

Zeitronix ZT-2 Wideband
MKIII detailed installation instructions
*verify your own wiring*

Zeitronix Zt2 for MKIII.pdf (200KB)

Justin Yes the adapter should work
also, it won't work if you connect the green rpm wire to the pin labeled rpm on the ecu connector. it needs to go to igf or igt. check the linked pdf above.

I painted my zt-2 case a flat black
click pic:

 

[oldschool85]

a quick question....how are you some of you guys using the zt2's 02 sensor in place of the stock 02 sensor? i know you guys are feeding the signal from the wideband to the stock 02 wire at the ecu but which wire from the WB goes there.

charlie

 

[Idealsupra]

Ideal - but you didn't include the very first post on it
http://www.supramania.com/forums/showthread.php?t=100



Justin Yes the adapter should work
also, it won't work if you connect the green rpm wire to the pin labeled rpm on the ecu connector. it needs to go to igf or igt. check the linked pdf above.

I painted my zt-2 case a flat black
click pic:

heh good call thanks for putting the link in here...i wont merge them though...and i didnt see that one otherwise i would have feel free to do so if you would like though...

 

[isnms]

oldschool85 - I did not replace the stock, I'm running both. My highflow cat had a o2 bung already, that's where I put it.
If you want to use the wideband to feed the ecu. You need to use the purple wire. But I did not research which exact wire on the ecu you need to tap it to. Also be aware that there have been mixed results on how well it works with our ecu anyway.

 

[Justin]

Case looks good there... I had a perfect place picked out... didnt' realize it was so damned big! the electronics arn't to bad but the case is really big

I think i'm going to mount that an my e01 in my glove box. *shrug* dunno where else. but i don't want either of them stickin out like a sore thumb.

 

[isnms]

^"sore thumb", exactly. that's why i painted mine. but if you do, use a couple of strips of masking tape to cover the outside of the display window...and...the inside. I didn't do the inside and some overspray drifted in. can't really see it, so it's not to bad, but i know it's there

 

[oldschool85]

hmm well i didnt mean that my response/question towards you. If only the site wasnt hacked into i could find the username that did this. it sounds easy to do and very simple and clean so if anyone knows how to do it please let me know. I think it would just be the af input wire though that you hack into.

charlie

 

[isnms]

np, i didn't take it that way. just trying to be helpful

 

[Blue87T(Dan)]

I'll take a picture of how my display is mounted on Tues.

Might give other ideas to anyone that might be interested.

Dan

 

[Justin]

I had such a perfect idea, but i don't wanna mess up both vents I'm bitter


1. What's TCCS stand for? I know what it is, what's it stand for though?

2. In that PDF provided, what year is that for? Looks... like 89+