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1995 ES300 Techstream unsupported?
I've had a problem with PO500 and PO720 and am starting to suspect the ECU... I've replace the "Vehicle Speed Sensor" (3-wire) but I don't see improvement... I'm using an Innova scanner, which works but takes time to link, and looking at the vehicle speed it jumps around from 0 mph to 7 mph to 100 mph... ... I tried using Techstream, it links (takes time) but I can't get any readings from it as it comes back saying "unsupported."
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Don't know, but would not be surprised if it was not supported. 1994 ES300 was one of the first (if not first) vehicles to have OBD-II and as a result the system was in effect a beta version until 1996 when OBD-II became mandatory.
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