thak1lla Posted August 18, 2015 Share Posted August 18, 2015 Hey guys how can I know if my ecu is OBD1 or OBD2? I own a 97 mkiv usdm with a jdm 2jzgte, there's no sticker on the ecu...and i dont know the year of the engine, I just know its jdm because when I removed the twin they were jdm turbos. Quote Link to comment Share on other sites More sharing options...
rider Posted August 18, 2015 Share Posted August 18, 2015 Hey guys how can I know if my ecu is OBD1 or OBD2? I own a 97 mkiv usdm with a jdm 2jzgte, there's no sticker on the ecu...and i dont know the year of the engine, I just know its jdm because when I removed the twin they were jdm turbos. The plugs are different. OBD2 didn't start to become standard fit until the late 90's after being introduced in the mid 90's. Quote Link to comment Share on other sites More sharing options...
Josh42 Posted August 18, 2015 Share Posted August 18, 2015 ODB1 is a circular port, OBD2 is more rectangular. Quote Link to comment Share on other sites More sharing options...
Eddie-S Posted August 18, 2015 Share Posted August 18, 2015 As above with the plug differences. I'm sure someone more knowledgeable be along to correct me but i think obd2 is just on vvti cars Quote Link to comment Share on other sites More sharing options...
thak1lla Posted August 19, 2015 Author Share Posted August 19, 2015 you guys mean the plug near the ECU? mine is circular, but the one under the hood is rectangular I think? Quote Link to comment Share on other sites More sharing options...
Josh42 Posted August 19, 2015 Share Posted August 19, 2015 It's OBD1. Quote Link to comment Share on other sites More sharing options...
Bayden_uk Posted August 23, 2015 Share Posted August 23, 2015 get some pictures up of your OBD's chaps. because mine has both. round one under the steering wheel and the rectangle one under the hood Quote Link to comment Share on other sites More sharing options...
Josh42 Posted August 24, 2015 Share Posted August 24, 2015 Like my previous post suggests, your car is Obd1. Quote Link to comment Share on other sites More sharing options...
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