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  1. Check engine light not working.

    General Discussion
    Hello. 2002, IS300. M/T here. Anyone know or able to point me in the direction of info on the Integrated Circuitry (IC) on the ECM that is responsible for commanding the MIL bulb. I.e performing the ECM self test and turning on the MIL light when the key is inserted in the ignition and turned...
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