Why Choose The ELM327 USB: Please note that many for Ford and for Mazda models (approximately since 2003-2004) are equipped with MS CAN bus, in addition to the regular HS CAN bus. In contrast to HS CAN bus, MS CAN bus is not supported by the stock ELM327, because MS CAN is a manufacturer-specific solution and located on non-OBD2 pins. This ELM327 has been modified to allow it to implement the MS CAN bus. This ELM327 USB supports HS CAN from the stock, because for Ford HS CAN completely matches to the OBD2 standards.HS CAN occupies pins 6 and 14. MS CAN bus occupies pins 3 and 11.
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