Just in case there's someone out there that would be interested in a Toyota TCCS Checker (OTC), I would offer under $200 plus shipping to the USA, only downside no 5MGE testing harness...has instruction manual...
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I believe I have some compromised wires in my harness due to some heat and PO stabbing the wire insulation with a blunt point voltage tester. Does this diagnostic checker detect problems in the harness wires between the ignition components and the 5MGE ECU?
If yes I would be stoked to buy one or if anyone is kind and willing to lend me one I would pay a proper deposit and rental fee. I would buy one for the market price as long as it has the 5MGE test harness.
Alternatively I would be interested in a good clean harness for a 1985 Mk2.
I would say the TCCS checker would detect if a sensor wasn't functioning or not... not detecting if its a wiring problem
Reversing that then you would have to determine IF the sensor was bad or not then diagnosis if then a wiring issue.
I would pull check engine codes as well...to also give you some direction on where to check for bad wires...
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