Problem adding MAT to $0D TBI 7427, Not pulling timing.

[brian617]

Can anyone show me how to change those parameters in HEX, or show me how to add them the my XDF? Or add them to my XDF for me lol.

[CFI Z51]

Can't help with HEX ,
Shouldn't be to hard to do in tunerpro though..
first i would open two instances of TP,one with each XDF open ,save yours with new name (in case we screw this up),
right click on new scaler in parameter tree in $0D xdf - copy to clipboard- right click parameter tree in your XDF -paste from clipboard into your xdf, do this for all including the err 23/25 header
now goto the $0E hack ,you will need to change address for each parameter..right click-edit parameter in xdf..
example; address in pasted scaler for mph will be 0x4E3D it will need to be changed to 0x4E45
$0E
;------------------------
; ERR 23/25
; (ERR 23 MAT SENSOR LOW)
; (ERR 25 MAT SENSOR HIGH)
;------------------------
L4E43 FCB 0 ; ENG RUN TIME ....... ? bummer ..not needed.?
L4E44 FCB 240 ; 240 SEC RUN TIME TO ENABLE ERR ........from L4E3B to L4E44
; CAL = SEC'S
;
L4E45 FCB 1 ; 1 MPH ....... ..........................................from L4E3D to L4E45 ..0x4E3D in pasted scaler to 0x4E45
L4E46 FCB 29 ; -18c, DEFAULT MAT VAL ........................from L4E3E to L4E46

;------------------------
; ERR 25
; MAT SENSOR HIGH
;------------------------
L4E47 FCB 243 ; 142c MAT HI BINARY THRESH (INV VAL) ......you get idea.
L4E48 FCB 120 ; 12 Sec, THRESH FOR ERR 25 ......
; sec * 10
;---------------------------------------------


$0D

;------------------------
; ERR 23/25
;------------------------
L4E3B FDB 0000 ; 0000 SEC RUN TIME TO ENABLE ERR
; CAL = SEC'S
;
L4E3D FCB 0 ; 0 MPH, MIN FOR ERR 25 ELSE ERR 23
L4E3E FCB 0 ; -40c, DEFAULT MAT IF ERR 23/25
;----------------------------------------------

;----------------------------------------------
; ERR 25
;
;----------------------------------------------
L4E3F FCB 0 ; -40c, MAT HI THRESH FOR ERR 25
L4E40 FCB 0 ; 0 Sec, THRESH FOR ERR 25
; SEC * 10
;----------------------------------------------

should work...i think ? .. been awhile..


Hope this helps


also saw this in the hac ...you may want to add it ?




;--------------------------------------------------
; MAT vs INTEMEDIATE MAT or vs COOLANT TEMP
;
; Dissassemby of BJYA
;
; TBL = DEG C + 40
;--------------------------------------------------
ORG $4AEA

;--------------------------------------------------
;
; DEG C
;--------------------------------------------------
L4AEA FCB 0 ; -40
L4AEB FCB 12 ; -28
L4AEC FCB 24 ; -16
L4AED FCB 36 ; -4
L4AEE FCB 48 ; 8
L4AEF FCB 60 ; 20
L4AF0 FCB 72 ; 32
L4AF1 FCB 84 ; 44
L4AF2 FCB 96 ; 56
L4AF3 FCB 108 ; 68
L4AF4 FCB 120 ; 80
L4AF5 FCB 132 ; 92
L4AF6 FCB 144 ; 104
L4AF7 FCB 156 ; 116
L4AF8 FCB 168 ; 128
L4AF9 FCB 180 ; 140
L4AFA FCB 192 ; 152
;--------------------------------------------------

[brian617]

Thats way over my head lol, but i'll give it a try and see what gives.

[CFI Z51]

Thats way over my head lol, but i'll give it a try and see what gives.

Here is one for $0E you can compare yours to when you get it done, no peeking .... you said you wanted to learn ...

Can anyone confirm i did this correctly ? (old dog + recent trick + bad memory = Until confirmed - Standard Disclaimer ; Use At your Own Risk )

[brian617]

Here is one for $0E you can compare yours to when you get it done, no peeking .... you said you wanted to learn ...

I've been reading through the $0E Hack to search all the MAT tables out. Is there a simple way to explain to me how to add a parameter to TP just using the Hack? I didnt grasp the copy to clipboard idea when I still have to change the addresses for $0D to $0E. Good chance I'll peek but i'm still going to figure this out. Thanks for helping.

[CFI Z51]

The copy an past method is just the easy way to add the new scaler ,the address change is so the scaler knows where in the bin the information is stored, different from mask to mask .
The scaler is what changes the info at that location ,it also converts it to a form we can use such mph or degrees,open any of these scalers in TP right click on it and select show hex , that's the rub..when you add one from the hac you have to have the conversion correct in the parameter or . There should be sticky ..

[JeepsAndGuns]

I've been reading through the $0E Hack to search all the MAT tables out. Is there a simple way to explain to me how to add a parameter to TP just using the Hack? I didnt grasp the copy to clipboard idea when I still have to change the addresses for $0D to $0E. Good chance I'll peek but i'm still going to figure this out. Thanks for helping.

Here is a good but long thread where you can learn how to add parameters to a XDF. Starts around page 2. I have almost forgotten what I learned in that thread cause I only did it once. But I'm sure another read through would give me a refresher.
http://www.gearhead-efi.com/Fuel-Inj...or-a-better-8D

[brian617]

Can someone check my work, specifically the conversions please?

[CFI Z51]

Can someone check my work, specifically the conversions please?

To check your conversions ...

L4E48 FCB 120 ; 12 Sec, THRESH FOR ERR 25 -------


your conv is.... X*10

X = 120

120 * 10 = 1200 .............................................

120/10 = 12 0r 120*.1 = 12 .................................. conv = X*.1



L4E46 FCB 29 ; -18c, DEFAULT MAT VAL ----------

your conv is....075 *X+ -40

X = 29

.75*29 = 21.75 -40 = -18.25 .........................

[brian617]

Thank you again for your help!

Here is where I got confused on that conversion (sec * 10)

[dzidaV8]

I'm digging this topic back from the dead with a little update.
I've also had problems enabling MAT in my $0D TBI. The .xdf file mentioned earlier in this topic seems non-existent, so I've modified the Advanced $0D TP5 v251.xdf adding MAT diagnostic parameters form HAC.

To admin: I think it would be good to add to $0D topic.

[myburb]

When this thread first came out I was just getting started with mat. After 1.5 years with it I thought I would add what I have found. I run only open loop and used to have to run a different chip in the winter and summer. I added the mat sensor to the base of my aircleaner close to the throttlebody. I wired it into the ecm. I enabled the mat sensor. I set the blend to .85. It has been that way for two summers and a winter and no need to change chips. I could fine tune a little more if I was really really picky but it works fine. The only thing I notice is the mixture says richer slightly longer during warm up. I am $OE but it looks like the settings choices are the same in $OD.