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.
2011 Acura MDXFACTORY OEM SERVICE PROCEDURE
Control Unit Input Test
NOTE:
- Before testing the reminder system control unit, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
- Before testing the reminder system control unit, troubleshoot the F-CAN system first, using gauge control module self-diagnosis function (see SELF-DIAGNOSTIC FUNCTION ).
MICU (Common Test)
- Turn the ignition switch to LOCK (0) and remove the left kick panel (see TRIM REMOVAL/INSTALLATION - DOOR AREAS ).
- Disconnect under-dash fuse/relay box connectors E, H, P and Q.NOTE: All connector views are wire side of female terminals.
Factory Service Tools
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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.
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