OBD 1 connector and bluetooth - Toyota Nation Forum : Toyota Car and Truck Forums
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post #1 of 5 Old 05-13-2019, 10:11 PM Thread Starter
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OBD 1 connector and bluetooth

Does anyone know of any bluetooth adapters that can plug into Toyota OBD1 ports to give you data you don't normally get?

I've seen on Youtube scanners that you can pair to your phone and give off information like air/fuel mixture, tachometer, throttle position, etc. I've seen them for GM OBD1 ports. Does the Toyota ECU relay this information at all? Is there a scanner you can use to extract stuff like that? Don't need it for anything, but it would be fun to see the information these old cars are able to determine.

One like this
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post #2 of 5 Old 05-13-2019, 10:57 PM
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This is the only one I know of not sure if you can still buy it. edit - found a place to buy the dongle pair it with the Android app and you're set assuming your engine is supported

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post #3 of 5 Old 05-14-2019, 10:01 AM
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Very cool! I didn't know something like this existed for OBD1!

Added this to the sticky.

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post #4 of 5 Old 05-16-2019, 12:38 AM
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I remember reading somewhere toyOBD1 doesn't work with our cars? I think it was 87-91 3SFE US engines or something..not 100% sure though.

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post #5 of 5 Old 05-16-2019, 04:43 AM
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There was never an OBD-1 standard. So each manufacturer implemented their own proprietary analogue version. Even within the same manufacturer, implementation will vary. Not all models and years are supported by ZF ToyOBD1. Somewhere on site is list of supported models and years. I was looking to get scanner for my wife's '94 Corolla DX, but it supported only '93 Corolla. Which didn't get OBD-2 until '95.5 anyway, but there was enough changes to Toyota's OBD-1 implementation year-by-year that made later years not useable with ToyOBD1 reader.

EDIT: also looks like everything is out of stock. If you search the archives, you can find schematic to build your own. Also on some Russian site as well.
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