TOYOBD1 Android data logger for 3S-GTE ST185,ST205

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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby Corey » Wed Dec 03, 2014 12:42 am

Just tried the app on my BB Passport - seems to work :)

Are you still taking orders? I'd like one please.

Corey
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby zf_165_gt » Wed Dec 03, 2014 3:25 am

Hi, Corey, PM me or contact me at the email address in the application main menu.
thanks
1988 ST165 , clean body, broken engine since acquisition.
1991 ST185 JDM , CT26/CT20 hybrid,
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby zf_165_gt » Mon Dec 29, 2014 2:09 pm

Hi guys,
just to convince more people that the obd1 protocol is useful even tho it is slow..
Diagnostic capabilities on stock ecus are way better than error codes will ever allow.

It helped me make the day for an ST165 guy on the 26th dec. Solving an issue he inherited from the tuner guy that installed his ST205 engine last summer WITHOUT even looking at the car wiring itself.

here is the exact post from my facebook toyobd1 user groups.( https://www.facebook.com/groups/1505898572959292/ )

Never overestimate someone else`s engine swap wiring job to be right.
adding engine issues that no one could suspect diagnose or correct...

ST205 swap into an ST165 celica, stock ecu,stock everything.
fuel consumption ranges from 20l/100km while crusing to 87l/100km under acceleration, no power, ignition cannot keep up with the amount of fuel to burn under acceleration. no meaningful error codes helping to diagnose.(code 12 crank sensor problem)

Here`s a hard one that I got to solve using TOYOBD1.
Let me start by saying I never even got to look at the wiring itself, finding the problem only by looking at data. the solution is explained at the end of the post,

After a data logging session with toyobd1 here are the things that surfaced.
-no missing sensor
-there is nothing wrong with the rpm signal so the error code IS misleading.
-igition locked at 5deg btdc all the time.
-heavy use of the IAC valve all the time
-always in open loop.
-heavy fuel consumption is confirmed
-ox sensor (fuel trim) is at the maximum value for rich mixture all the time
THERE is ONE more fact that explains everything tho!!!
-STA is on all the time

explanations------------------
-when the starter is running STA is on
-when staring the ignition is about 5deg btdc
-when starting the IAC valve can be used to make things easier
-when starting there is fuel enrichment, seems like base fuel map * a large %
-when starting the ecu is probably in Open Loop

OK so WHY is STA on all the time??
Because the guy that did the wiring job wired STA to a constant 12v source due to a lack of knowledge and the ecu thinks it is always starting, regardless of engine speed,temperature or load...
solution was to correctly connect the STA wire like in the wiring diagram..

here is the data log from that session.(when STA was always ON)
https://www.dropbox.com/s/t2a2fax6gdwdr ... 9.csv?dl=0
1988 ST165 , clean body, broken engine since acquisition.
1991 ST185 JDM , CT26/CT20 hybrid,
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby Corey » Thu Feb 05, 2015 6:41 pm

PM Sent
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby Corey » Sun Mar 29, 2015 11:06 pm

This little gadget is great!

Tried it out today with my mixmatch setup of ST205 EFI and MR2 ECU with my 89 engine harness (which meant I had to connect it directly to the ECU since my diagnostic port doesn't have a TE2 pin). Just to test it I simply pushed the 4 wires into the pins of the ECU jumper harness. It came with very clear instructions on setting it up.

Worked like a charm - no problems connecting to my Blackberry passport. Drove around a bit and discovered my fuel consumption and coolant temps, plus a whole load of other readings. It also has a cool trip computer function.

Will be keeping it in my glovebox for future use.
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby CMS-GT4 » Sun Mar 29, 2015 11:10 pm

I plan on getting this in the near future. I am curious what my ecu will say when I try and turn the ac on.
Coldiron
92 st185 (205 swap) | 03 350Z Track (sold) | 13 Pilot | 17 Mazda3
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby scottjackson1209 » Tue Mar 31, 2015 2:46 am

How much to 98252?
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby Spectra1 » Sat Apr 04, 2015 1:40 pm

Just sent payment for one. Im excited to get it and test it out.
93 St185 DD
90 ST185 - Project
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby Spectra1 » Tue Apr 14, 2015 3:43 pm

Just got it yesterday and tried it out. Worked perfect and was very easy to set up. Now I just need to get to work on understanding what all the values mean. Great product and well worth the money.
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Re: TOYOBD1 Android data logger for 3S-GTE ST185,ST205

Postby zf_165_gt » Tue Apr 14, 2015 9:11 pm

I think it would be wise to share the 3S-GTE support list
so here it goes.

--------UNSUPPORTED--------
ST165 ECU *should have partial support with the next gen OBD1READ
90-91 normal ST185 ECU *should have partial support with the next gen OBD1READ
ST215 ECU (obd2)

----------SUPPORTED---------
1991 RC and CS ECUs have been proven to work 89661-2B320 and 89661-2B310,
92-93 ST185 ECU all of them
normal ST205 ECU
WRC ST205 ECU

MR2 ECUs of the same years are supported too.
1988 ST165 , clean body, broken engine since acquisition.
1991 ST185 JDM , CT26/CT20 hybrid,
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