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.
2003 Honda Pilot EXFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Component Location |
|---|---|
| ABS Modulator Control Unit | At left side of engine compartment. |
| Antenna Amplifier | In left rear of roof. |
| Daytime Running Lights Control Unit | Behind left side of dash. See Figure. |
| Door Multiplex Control Unit | In driver door. |
| Driver's Multiplex Control Unit | Behind left end of dash. |
| ELD Unit | In underhood fuse/relay box. See Figure. |
| Immobilizer Control Unit Receiver | In steering column, on ignition key cylinder. See Figure. |
| Keyless Receiver Unit | Behind right side of glove box. |
| Navigation Unit | Under right front seat. |
| OPDS Unit | In right front seat. |
| Passenger's Multiplex Control Unit | Behind right kick panel. |
| Powertrain Control Module | Behind center of dash. |
| Power Window Control Unit | Inside driver door. |
| Radiator Fan Control Module | Behind left center of dash. See Figure. |
| Rearview Camera Control Unit | Under right front seat. |
| Security Control Unit (LX) | Behind left side of dash. |
| SRS Unit | Behind lower center of dash. |
| VTM-4 Control Unit | At left side of cargo area, behind rear side trim panel. |
Factory Service Tools
Use the Manual With the Right Hardware
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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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