Fuel Gauge, How's it work? Options

[JoKeRkId613]

I was just wondering how the fuel gauge works on the clusterr. See I have an st205 cluster now and the fuel wont display. it tells me when im about to run out by lighting up the orange fuel light. but thats about it. the needle stays on empty. anyway to reset this or something? thanks.

[95CelicaST]

maybe with all these problems you're having with that cluster you should put your stock one back??

[WannabeGT4]

AT200 and ST205 fuel level sending units function the same. Resistance on each is 3 ohms Full to 110 ohms Empty.

There are at least two different pinouts for the ST205 combo meter plugs. The major difference I see in the two schematics is the addition of the rear fog lights for the European models so it's probably safe to say the JDM ST205 will more than likely be identical to the Australian ST205. Also, some of the pins on plugs B and C are different as well.

According to Toyota BGBs at Celicatech
AT200 Combo Meter Plugs:
A: 13 pin
B: 16 pin
C: 10 pin
ST205 Combo Meter Plugs:
A: 16 pin
B: 10 pin
C: 13 pin

For Australian ST205 Combo Meter:
Fuel Gauge
AT200---ST205
B14---to---B1
B6----to---A7

Low Fuel Light
AT200---ST205
C6---to---B6

For European ST205 Combo Meter:
Fuel Gauge
AT200---ST205
B14---to---B2
B6----to---A7

Low Fuel Light
AT200---ST205
C6---to---B7


Also, in order to run your boost gauge you'll need to run a MAP sensor from an ST205 soley for the new guage cluster.

This post has been edited by WannabeGT4: Sep 27, 2005 - 3:45 PM

[JoKeRkId613]

Wannabe. Thanks for all that info. However, I'm not very electronically inclined so I don't really know what any of that means. I hooked everything up how purplegt4 said and everything shoulda worked fine. But what does all that mean? Waht would I need to change to make the Fuel Gauge work? Thanks. By combo meter, I'm guessing you mean the temperature gauge? Because that would make sense since that one doesn't read correctly either. Thanks.

[WannabeGT4]

Combonation Meter is what is commonly refered to as the "cluster". As for the information I posted I'll try and explain what you need to do:

Example:
AT200---ST205
B14---to---B1
B6----to---A7

The AT200's wire 14 in Plug B needs to be connected to the ST205's wire 1 in Plug B.
The AT200's wire 6 in Plug B needs to be connected to the ST205s wire 7 in Plug A .

Remember that we are using the plug labels A, B, and C just like they appear in the BGB:
AT200 Combo Meter Plugs:
A: 13 pin
B: 16 pin
C: 10 pin
ST205 Combo Meter Plugs:
A: 16 pin
B: 10 pin
C: 13 pin



More than likely your water temperature gauge is connected wrong as well. Try this:

For Australian ST205 Combo Meter:
Water Temp Gauge
AT200---ST205
C2---to---B3
C4---to---B2

For European ST205 Combo Meter:
Water Temp Gauge
AT200---ST205
C2---to---B3
C4---to---B5


I might be able to help a little better if you told me exactly what you've done so far and what you're working with.
Do you have the plugs that go to the ST205 Combo Meter?
Where is the Combo Meter from Japan, Europe, Ausralia..?
What information has PurpleGT4 supplied you with?
Have you downloaded the EWDs for the ST205 and the AT200/ST204 from celicatech?

This post has been edited by WannabeGT4: Sep 28, 2005 - 9:31 AM

[WannabeGT4]

European ST205 Combo Meter:

Australian ST205 Combo Meter:

[JoKeRkId613]

Yes Wannabe, I do have the original plugs and about a foot of wiring that was cut from the ST205 harness. I cut the plugs from the AT200 harness right at the plug and connected the wires to the ST205 harness. The information that purplegt4 sent was this:

Connector "A"
ST205 AT200
A1-A1
A2-A2
A3-A4
A4
A5
A6-A6
A7-A7
A8-A8
A9-A9
A10-A10
A11-A11
A12
A13-C6
A14-A14
A15
A16-A16

Connector "B"
ST205 AT200
B1
B2
B3-B5
B4-3-9
B5 1-4
B6
B7-B7
B8-B9
B9-A3
B10

Connector "C"
ST205 AT200
C1-A13
C2-C7
C6-C6
C8-C4
C10-C8
C11-C11
C13-C13

My ComboMeter was purchased from k_trac in Mass. He says the cluster is from Japan because it came with a front clip that had a ceramic turbo and that only the one's in Japan came with that.

I haven't downloaded the EWD because I don't understand those diagrams. Lol. I thought it was easier than it was. You must know a lot about elctronics because yes, my temp gauge doesn't work either. Lol. It would be awesome if you could tell me exactlyhow to hook this up so that everything works properly.

EDIT: I have an AT200 Automatic Transmission. I dont' know if that makes a difference...

This post has been edited by JoKeRkId613: Sep 27, 2005 - 8:58 PM

[JoKeRkId613]

bump

[WannabeGT4]

Sorry, no time to work on it lately. I'll try and work on it tonight. Most of what you need is already posted though.

[JoKeRkId613]

Hey bro, take your time. I'm glad to hear I pretty much got everything correct already since I already put everything back together and taped everything off. Lol. But that's cool. I just want you to know that I appreciate what you're doing for me man. Thanks again and I can't wait to have this project done so I can see how much fuel I have left. Hehe.

[WannabeGT4]

For the sake of simplicity, from here on out, both AT200 and ST205 connectors will use this scheme (as per USDM BGB):
A = 13 pin
B = 16 pin
C = 10 pin


Wires in the column labeled ST204/AT200 will need to be connected to the plug in the column labeled ST205.

Australia
ST204
AT200---ST205
A01---to---A02
A02---to---A01
A03---to---?NO SRS LIGHT?
A04---to---?NO SRS LIGHT?
A05---to---?NO SEATBELT LIGHT?
A06---to---B03
A07---to---B05
A08---to---A04
A09---to---B06
A10---to---A09
A11---to---N/A
A12---to---N/A
A13---to---?PARK, NEUTRAL, CLUTCH SWITCH?

B01---to---B01
B02---to---N/A
B03---to---B02
B04---to---A12
B05---to---N/A
B06---to---B07
B07---to---B08
B08---to---B09
B09---to---B10
B10---to---B11
B11---to---B12
B12---to---N/A
B13---to---B14
B14---to---C01
B15---to---B15
B16---to---B16

C01---to---N/A
C02---to---C03
C03---to---N/A
C04---to---C02
C05---to---N/A
C06---to---C06
C07---to---C07
C08---to---C08
C09---to---C09
C10---to---C10

Europe
ST204
AT200---ST205
A01---to---A02
A02---to---A01
A03---to---?NO SRS LIGHT?
A04---to---?NO SRS LIGHT?
A05---to---?NO SEATBELT LIGHT?
A06---to---B03
A07---to---B05
A08---to---A04
A09---to---B06
A10---to---A09
A11---to---N/A
A12---to---N/A
A13---to---?PARK, NEUTRAL, CLUTCH SWITCH?

B01---to---B01
B02---to---N/A
B03---to---B02
B04---to---A12
B05---to---N/A
B06---to---B07
B07---to---B08
B08---to---B09
B09---to---B10
B10---to---B11
B11---to---B12
B12---to---N/A
B13---to---B14
B14---to---C02
B15---to---B15
B16---to---B16

C01---to---N/A
C02---to---C03
C03---to---N/A
C04---to---C05
C05---to---N/A
C06---to---C07
C07---to---C08
C08---to---?NO O/D OFF LIGHT?
C09---to---?NO CRUISE CONTROL LIGHT?
C10---to---C10


Does the ST205 combo meter not have a warning light for the seatbelt or airbags?
Aparently the European ST205 doesn't have seatbelt, airbag, O/D off, or cruise control lights.

EDIT: 10/22/2005

Before i give the pin information I'm going to make sure a few things are known:

1. You will not have a cruise control indicator.
2. You will not have an overdrive off indicator.
3. Wire A13 from the AT200 will not plug into anything which simply means your brake light won't come on when you're starting the car.
4. Rear foglights indicator will not be used for obvious reasons.
5. I have no idea what the indicator is below the rear foglight indicator and therefore will not be used.
6. There are diodes in the rear foglight and mystery indicator circuits. You don't need to worry about them. No need to put bulbs in their sockets either.
7. B13 on the ST205 combo meter will be directly connected to the MAP sensor from an ST205.


Japan
ST204
AT200---ST205
A01---to---A01
A02---to---B02
A03---to---C05
A04---to---C04
A05---to---C07
A06---to---A04
A07---to---A12
A08---to---A08
A09---to---B04
A10---to---A06
A11---to---NOTHING
A12---to---NOTHING
A13---to---N/A (BRAKE LIGHT ON WHILE STARTING)

B01---to---B01
B02---to---NOTHING
B03---to---B03
B04---to---A13
B05---to---NOTHING
B06---to---B06
B07---to---B07
B08---to---B08
B09---to---B09
B10---to---B10
B11---to---B11
B12---to---NOTHING
B13---to---B14
B14---to---C01
B15---to---B15
B16---to---B16

C01---to---NOTHING
C02---to---C02
C03---to---NOTHING
C04---to---C03
C05---to---NOTHING
C06---to---C08
C07---to---C06
C08---to---N/A (OVERDRIVE)
C09---to---N/A (CRUISE)
C10---to---C10

This post has been edited by WannabeGT4: Oct 23, 2005 - 9:06 AM

[JoKeRkId613]

Thanks a lot Wannabe. I'll compare those to mine and make the appropriate changes as soon as I get home. I know for a fact that the ST205 has the seatbelt light, in fact, I got it working today(My "Dome" fuse under the hood was blown and my dome light, door open light, and seatbelt light didn't work.) But I'll doublecheck on the airbag light. I'm pretty sure it does have one. But for sure it does have a seatbelt warning light. I'm guessing the Australian ST205 is the same as the Japanese ST205? Is that what you meant there? Thanks again, Wannabe.
EDIT: Wait, that doesn't make any sense...
On the previous post, you said this:

For Australian ST205 Combo Meter
Water Temp Gauge
AT200---ST205
C02---to---B03
C04---to---B02

WHICH TRANSLATES IN USDM PLUGS TO:

For Australian ST205 Combo Meter:
Water Temp Gauge
AT200---ST205
C02---to---C03
C04---to---C02

***SORRY, I GOT IT NOW***
Lol. I'm kinda slow when it comes to these things...

This post has been edited by JoKeRkId613: Sep 29, 2005 - 6:06 PM

[SoundSlut_dotcom]

i say fill it up at the station, take the needle out and put it on Full.. u shoukld be good after that. i took mine off and put it back wrong, now when im on full it says im on half

[JoKeRkId613]

^Will that really work???
EDIT: Nah, Charles, it still won't work. "Full" will just become the "dead point" for the fuel gauge because according to Wannabe's connections, my fuel gauge and temp gauge aren't even hooked up. Lol. Which makes sense. Thanks for the suggestion tho.

Anyway. I converted what I had done with the wiring to what Wannabe gave me. So this is what he did:
AT200---ST205
A01---to---A02
A02---to---A01
A03---to---?NO SRS LIGHT?
A04---to---?NO SRS LIGHT?
A05---to---?NO SEATBELT LIGHT?
A06---to---B03
A07---to---B05
A08---to---A04
A09---to---B06
A10---to---A09
A11---to---N/A
A12---to---N/A
A13---to---?PARK, NEUTRAL, CLUTCH SWITCH?

B01---to---B01
B02---to---N/A
B03---to---B02
B04---to---A12
B05---to---N/A
B06---to---B07
B07---to---B08
B08---to---B09
B09---to---B10
B10---to---B11
B11---to---B12
B12---to---N/A
B13---to---B14
B14---to---C01
B15---to---B15
B16---to---B16

C01---to---N/A
C02---to---C03
C03---to---N/A
C04---to---C02
C05---to---N/A
C06---to---C06
C07---to---C07
C08---to---C08
C09---to---C09
C10---to---C10

And this is what I did:
AT200---ST205
A01---to---N/A
A02---to---N/A
A03---to---N/A
A04---to---A08
A05---to---N/A
A06---to---A06
A07---to---A02
A08---to---A10
A09---to---C04
A10---to---N/A
A11---to---A11
A12---to---N/A
A13---to---A13

B01---to---B01
B02---to---B02
B03---to---C09
B04---to---B03
B05---to---N/A
B06---to---B06
B07---to---B07
B08---to---B08
B09---to---B09
B10---to---B10
B11---to---B11
B12---to---N/A
B13---to---A01
B14---to---B14
B15---to---N/A
B16---to---B16

C01---to---N/A
C02---to---N/A
C03---to---N/A
C04---to---C05
C05---to---C03
C06---to---N/A
C07---to---C07
C08---to---N/A
C09---to---C08
C10---to---N/A

I italicized the similar wire connections so I know what I have to change. Are you sure this is correct tho because I'm pretty sure all my lights work at the present time. The only thing not functioning that I know of is the fuel gauge, temperature gauge, the 3 green bulbs won't light up the ComboMeter when I turn on my headlights, and the cooling fan stays on after I pull the key out of the ignition. But I can turn it off by pulling the wiper stick down all the way and pushing it back up when the car's off. Are you sure the Australian version is the same as the Japanese version? Because if it is then I'll go by what you said. Thanks again.

This post has been edited by JoKeRkId613: Sep 29, 2005 - 9:08 PM

[soulshadow]

All these wiring for the fuel gague. I would shoot myself.

[WannabeGT4]

Nope, not sure if they are the same. I'm just working from the BGBs at Celicatech. There is only the diagram for australia and europe. If I had the cluster I'm sure I could get it to work without a problem. I do know that you've got something terribly wrong if your wipers turn off your car LMFAO.

[JoKeRkId613]

^gee, thanks. lol. just kidding. my dad was cracking up when i told him. then he almost died when he found out i was being serious. i'll go check the toyota dealer so those mo-fos can get me the japanese st205 because i also didnt see it. there's only one version of the at200 tho, right?

[WannabeGT4]

^gee, thanks. lol. just kidding. my dad was cracking up when i told him. then he almost died when he found out i was being serious. i'll go check the toyota dealer so those mo-fos can get me the japanese st205 because i also didnt see it. there's only one version of the at200 tho, right?
[right][snapback]339907[/snapback][/right]

LOL. I don't blame him. That's some funny sh!t. Only differences between AT200s would be OBDI and OBDII. You have OBDI since it was made before 1996 The wiring diagrams I'm using are for the OBDI so they should be exactly right.

EDIT: I added the European ST205 chart under the Australian ST205 Chart here:
http://www.6gc.net/forums/index.php?act=ST...t=0#entry339519

EDIT2: When/If you get the EWD for the Japanese ST205 would you mind sacanning them and making them available for us?

This post has been edited by WannabeGT4: Oct 22, 2005 - 3:32 PM

[JoKeRkId613]

Wannabe, there is no way that we're on the same page... I tried everything you gave me and nothing worked at all. No needles, no lights. I wrote down some of the wires you connected to something else that didn't even exist...
Europe
AT200---ST205
A01---to---A02
A02---to---A01
A03---to---?NO SRS LIGHT?
A04---to---?NO SRS LIGHT?
A05---to---?NO SEATBELT LIGHT?
A06---to---B03
A07---to---B05
A08---to---A04
A09---to---B06
A10---to---A09
A11---to---N/A
A12---to---N/A
A13---to---?PARK, NEUTRAL, CLUTCH SWITCH?

B01---to---B01
B02---to---N/A
B03---to---B02
B04---to---A12
B05---to---N/A
B06---to---B07
B07---to---B08
B08---to---B09
B09---to---B10
B10---to---B11
B11---to---B12
B12---to---N/A
B13---to---B14
B14---to---C02
B15---to---B15
B16---to---B16

C01---to---N/A
C02---to---C03
C03---to---N/A
C04---to---C05
C05---to---N/A
C06---to---C07
C07---to---C08
C08---to---?NO O/D OFF LIGHT?
C09---to---?NO CRUISE CONTROL LIGHT?
C10---to---C10

I have a 1994 A/T AT200. This is a 6th Gen ST205 European(It has rear fog light, no cruise light, no o/d off light...yes, it has srs and seatbelt lights tho so i dont know why the diagrams didnt) cluster I'm putting in. None of these colors even match up. I know maybe they're not supposed to but in the connections by purplegt4, at least most of the cluster worked and most of the wires matched up in color. Were all ST205's OBDII? Are you sure this is supposed to work? I doublechecked everything, not one color wire matched up but nothing worked. I did it exactly like you said. I bolded the wires that didn't exist on the plugs of the AT200 and the ST205. I dont see how you have them connected to something else. Thank, I appreciate what you're doing for me but please help me out and stick with me or else I'm stuck. Thanks in advance. What AT200 diagram are you using to be exact?

[JoKeRkId613]

If I use a multimeter, or one of those volt measuring things, how many volts or whatever should be passing through each wire? And how do you know if something is grounded correctly? Thanks.