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.
2005 Acura RLFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ACC Control Unit (2006) | Behind right side of dash. See Figure . |
| Active Noise Control Unit | Right side of trunk. See Figure . |
| AcuraLink Control Unit (XM Receiver) | On left side of trunk. See Figure . |
| Adaptive Front Lighting Control Unit | Under left side of dash. See Figure . |
| Driver's MPCS Unit | In driver's door. See Figure . |
| DRL Control Unit | Under left side of dash. See Figure . |
| ECPS Control Unit | Under left side of dash. See Figure . |
| E-Tensioner Unit (2006) | Under middle of dash. See Figure . |
| Front Passenger's MPCS Unit | In front passenger's door. See Figure . |
| Fuel Pump Control Module | In left "C" pillar. See Figure . |
| Hands FreeLink Control Unit | Behind right kick panel. See Figure . |
| Immobilizer Control Unit-Receiver | On right side of steering column. See Figure . |
| Imoes Unit | Under right side of dash. See Figure . |
| Keyless Access Control Unit | Under left side of dash. See Figure . |
| Keyless Access RF Unit 1 | Behind middle of dash. See Figure . |
| Keyless Access RF Unit 2 | Middle of rear shelf. See Figure . |
| Main Antenna Module | In right "C" pillar. See Figure . |
| Moonroof Control Unit | Rear of roof. See Figure . |
| Navigation Unit | In trunk, below left side of package tray. See Figure . |
| OnStar Control Unit | Behind rear seat. See Figure . |
| OPDS Unit | In front passenger's seat back. See Figure . |
| PCM | Under middle of dash. See Figure . |
| Power Rear Window Sunshade Control Unit | Middle of rear shelf. See Figure . |
| Power Seat Control Unit | Under driver's seat. See Figure . |
| Power Tilt/Telescopic Steering Control Unit | Under left side of dash. See Figure . |
| RFC Unit | Front middle of engine compartment. See Figure . |
| SH-AWD Control Unit | Behind rear seat. See Figure . |
| SRS Unit | Under lower middle of dash. See Figure . |
| Sub-Antenna Module | In left "C" pillar. See Figure . |
| Throttle Actuator Control Module | Behind right kick panel. See Figure . |
| VSA Modulator-Control Unit | On right side of engine compartment. See Figure . |
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.