1G Electronic Boost Data Logging

[badass3000]

ah, nevermind I got it. Just needed a pic set me strait. I was looking at the "BOST" (my special config) instead of "MAP"


Greddy 60mm PHW guage MAP sensor works just fine!!!!
I just hate that I have had all this on my car for months and was regretting doing this because it looked complicated when all I had to do was connect ONE DAMN WIRE!!!!!
This mod took me all of 30 seconds to do (since I had an electronic boost guage already installed)

[badass3000]

please change the first post to reflect just how damn easy it is (for those of us that have electronic boost guages)

[TajMan]

I'm using the EGRT thing to hook up to my wideband 02 sensor 0-5v output instead of logging boost. So thats the connection, near strut tower, and I tap into the green w/ blk stripe wire?

[cbatters]

Originally Posted by TajMan

I'm using the EGRT thing to hook up to my wideband 02 sensor 0-5v output instead of logging boost. So thats the connection, near strut tower, and I tap into the green w/ blk stripe wire?

Yepper - and there is already scaling in MMCd so you can see AF and not volts.
you to use.

MAP - HARNESS 3SI
-----------------------------------------------
+5V - TPS Connector (Green/Yellow)
Ground - EGTR Connector (A22 - Black)
Signal - EGTR Connector (A22 - Light Green/Black)

[TajMan]

+5V - TPS Connector (Green/Yellow)
whats that about?

And I'm not using MMCD I'm using shiver's ODBI software

[cbatters]

Originally Posted by TajMan

+5V - TPS Connector (Green/Yellow)
whats that about?

I bolded relevant info. +5 on TPS is for sensor excitation.

And I'm not using MMCD I'm using shiver's ODBI software

Never mind... I don't know if Shiver has scaling for AF.

Your welcome.

[flashc1963]

Originally Posted by cbatters

ELECTRONIC BOOST LOGGING FOR 1st GEN ECU
Just a short FAQ on an easy mod for adding a boost signal for anyone using either the MMCd or Shiver's SW on a 1G ECU. The mod takes advantage of an unused EGRT sensor on all of the Federal ECU's.

Many thanks to Jeff Lucius for putting the bug in my ear on an earlier post about an "unused input."

8/10/04 Thanks to RDMelton for pulling together additional instructions / pics on a web page.

http://rdmelton.autoeducation.com/ca.../boostlog.html


FAQ
EGRT ECU input is just a 0-5 VDC input signal on the ECU. ECU doesn't care whether it is a boost signal, wideband O2, oil pressure or fuel sensor. MMCd and Mirage Datalogger have sensor configurations to correctly scale either the 2.5 or 3.0 BAR MAP sensors.

For those of you running PocketLogger, ask them to get on the ball and provide user scaling options for the EGRT input.

WIRING
Only 3 wires to get boost logging working. +5V, Ground and signal.

Note: EGRT input has 10K ohm resistor to +4.5V to provide excitation for the EGRT sensor. This is why the logger will show raw data of ~229 counts or 90% of full scale before you connect anything to it. (If your connect the EGRT signal to EGRT ground the count will go to zero.) THe 10K pullup resistor does not have any negative effect on the accuracy of the MAP sensor.

MAP - HARNESS 3SI Updated color codes from RDMellon - Thanks!
-----------------------------------------------
+5V - TPS Connector (Green/Yellow)
Ground - EGTR Connector (A22 - Black)
Signal - EGTR Connector (A22 - Light Green/Black)

A-22 Connector is located near the injector resistor module - may be taped up with some other wires.


MAP - HARNESS DSM (DSM info from QuasiMondo - Thanks!)
-----------------------------------------------
+5V - TPS Connector (green/red)
Ground - EGTR Connector (green/black)
Signal - EGTR Connector (blue/yellow )

GM SENSOR INFO (provided by Jeff Lucius)
The GM 3-bar MAP sensor is available from MSD Ignition. Search google for MSD2313 or MSD-2313. The store below sells it for $49.70

http://www.aquamist.co.uk/sl/plist/p...6/806-666.html

You'll also need a socket/harness connector. Conduct Tite (PN 85146) sells some that are a close match or that may need only a little bit of knife work to make the correct notch for the key on the sensor connector. See middle pic and red rectangle in the web page below for where notch needs to be added.

http://www.tognottisautoworld.com/se...UCT_ID=MSD2313
http://www.hondata.com/3barinstall.html

Better GM Map Connector - Thanks to Fakepower
AC delco Part #PT1035 .... here are some pics of the cable.

http://www.3si.org/forum/attachment....chmentid=41842
http://www.3si.org/forum/attachment....chmentid=41843

ALTERNATE SOURCE for GM SENSOR (Provided by TurboBob)
www.gmpartsdirect.com
Sensor part number 12223861
Connector # 15305891

AUTOMETER BOOST GAGE
If you have an AutoMeter Boost gage you already have a GM 3.0 BAR MAP sensor installed. All you have to do is connect the signal wire from the MAP sensor to the EGRT input on A22. (Only connect the signal line, not the ground.)

MOTOROLLA MPX4250AP MAP SENSOR
You can also use a Motorolla MPX4250AP 2.5 BAR sensor but you will have to either solder or find a suitable connector for the small leads and provide some mechanical protection for the sensor. (Consider using a .100" connector for easy attachment / service.)



PINOUT
PIN1 - Vout (Signal) Note: Pin 1 has notch on pin
PIN2 - GND
PIN3 - +5V
PIN4 - NC
PIN5 - NC
PIN6 - NC

ORDERING INFO
http://rocky.digikey.com/WebLib/Moto...A%20SERIES.pdf

Exact part number is MPX4250AP-ND. It is available for under $20 directly from DigiKey.


HISTORY
Boost signal on ECU-EGR input for logging

MMCd V1.6F posted 3/17/04
http://www.3si.org/forum/attachment....chmentid=35334

More MMCd info / Latest versions
MMCd New Features


Clint

do you know witch wires to hook up to the o2 wide band so i can see it on the logger . i have a aem uego and i need to know if i need to wire one or 2 or 3 wires . do i wire the one wire from the output of the aem uego to the - EGTR Connector (green/black) or the EGTR Connector (blue/yellow ) or what . i have a 91 talon awd turbo and a 93 3000gt vr4 . can you tell me on both cars witch way to wire them . thanks

[TajMan]

I just had my AEM wideband uego hooked up to my EGRT on my '92 Stealth. I was logging it with shiver's software, he just got me a new version to log a wideband o2 with egrt on a ODBI car.

You just need to hook the white wire I believe (0-5v wire) on the 02 setup to the green wire on the EGRT connector. I think the other EGRT wire is ground, and you have to ground a wire on the 02 setup of course, but I had my 02 ground hooked to a different ground than the EGRT ground and it worked fine of course.

[flashc1963]

Originally Posted by TajMan

I just had my AEM wideband uego hooked up to my EGRT on my '92 Stealth. I was logging it with shiver's software, he just got me a new version to log a wideband o2 with egrt on a ODBI car.

You just need to hook the white wire I believe (0-5v wire) on the 02 setup to the green wire on the EGRT connector. I think the other EGRT wire is ground, and you have to ground a wire on the 02 setup of course, but I had my 02 ground hooked to a different ground than the EGRT ground and it worked fine of course.

do i need to wire the ground of the egrt or not or only one wire will do.

[TajMan]

Like I said the ground of the wideband needs to obviously be connected to some ground on the car, but the only thing you HAVE to connect on the EGRT is the one green wire.