Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA2011RX-8 SPORT, 1.3 2REPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM]
2011 Mazda RX-8 Sport, 1.3 2
On-Board Diagnostic [Multiplex Communication System]
2011 Mazda RX-8 Sport, 1.3 2SECTION On-Board Diagnostic [Multiplex Communication System]
- Foreword [Multiplex Communication System]
- DTC Table [Multiplex Communication System]
- PID/Data Monitor Inspection [Multiplex Communication System]
- PID/Data Monitor Table [Multiplex Communication System]
- Determining Open Circuit Location (HS-Can) [Multiplex Communication System]
- Determine Open Circuit Location (Ms-Can) [Multiplex Communication System]
- M-MDS And Vehicle Not Communicating [Multiplex Communication System]
- DTC U0073, U1900, U2516 [Multiplex Communication System]
- DTC U2516, 16:Er12, DEVICE CODE: 16 ERROR CODE: 12, 26:Er81, DEVICE CODE:26 ERROR CODE:81 MULTIPLEX COMMUNICATION SYSTEM]
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.