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    ABS and brake light on

    Hello all. After getting nowhere troubleshooting with Alldata's schematics and swapping out the ABS unit, I checked the sensors with a meter and found a faulty rear wheel speed sensor.( Like iJay said ) Why this should turn both lights on I don't know. Also it doesn't send any codes to the...
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    ABS and brake light on

    Abs The ABS system has it's own diagnostic port near the firewall behind the battery. The ECU is not sending any codes and when hooking up to the ABS port it wont communicate with the scanner.
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    ABS and brake light on

    Hello all. New to this forum and Mazda ownership. I just bought a 2003 Protege5. The ABS and brake lights are on and I am unable to read codes through the ABS diagnostic port. I believe the ABS module / computer is faulty. I am having trouble locating the part through the search of various parts...
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