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 MANUALSHONDA2009CR-V EX, 2.4 RE3REPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESMULTIPLEX INTEGRATED CONTROL SYSTEMMICU INPUT TEST
2009 Honda CR-V EX, 2.4 RE3
MICU Input Test
2009 Honda CR-V EX, 2.4 RE3SECTION MICU Input Test
NOTE:
Before testing the MICU, troubleshoot the multiplex integrated control unit first using B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
- Turn the ignition switch to LOCK (0).
- Disconnect under-dash fuse/relay box connectors E, F, G, K, R, and TNOTE: All connector views are wire side of female terminals.
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.