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.
2004 Honda Pilot EXFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Location |
|---|---|
| A/C Diode Assembly | Behind right side of dash. See Figure . |
| Automatic Dimming Inside Mirror In-Line Fuse | Under left side of dash. See Figure . |
| Auxiliary Fuse Box | At left front of engine compartment, to right of battery. See Figure . |
| Back-Up Sensor In-Line Fuse | Right rear of cargo area. See Figure . |
| Driver's Underdash Fuse/Relay Box | Behind left end of dash. See Figure . |
| ELD Unit | In underhood fuse/relay box. See Figure . |
| Fog Light In-Line Fuse 2 | Behind left side of front bumper. See Figure . |
| In-Line Diode No. 1 | In Driver's Underdash Fuse/Relay Box. See Figure . |
| In-Line Diode No. 2 | In Driver's Underdash Fuse/Relay Box. See Figure . |
| In-Line Diode No. 3 | In passenger's Underdash Fuse/Relay Box. See Figure . |
| In-Line Diode No. 4 | In passenger's Underdash Fuse/Relay Box. See Figure . |
| Security Diode 1 (LX) | Behind left side of dash. See Figure . |
| Security Diode 2 (LX) | Behind left side of dash. See Figure . |
| Security Diode 3 (LX) | Behind left side of dash. See Figure . |
| Security In-Line Fuse 1 | Behind left kick panel. See Figure . |
| Security In-Line Fuse 2 | Behind left kick panel. See Figure . |
| Security In-Line Fuse 3 | Behind left kick panel. See Figure . |
| Underhood Fuse/Relay Box | At right side of engine compartment. See Figure . |
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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