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 MANUALSACURA20043.5RLREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2004 Acura 3.5RL
Control Units
2004 Acura 3.5RLSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Automatic Lighting Control Unit (USA) | Behind left side of rear seat. See Figure . |
| Cruise Control Unit | Behind dash, right of steering column. See Figure . |
| Driver's Multiplex Control Unit | Behind left kick panel. See Figure . |
| Fan Control Unit | Below front passenger's footrest. See Figure . |
| Ignition Control Module (ICM) | On right side of engine compartment. See Figure . |
| Immobilizer Receiver | Underside of steering column. See Figure . |
| Keyless Receiver Unit | Behind right side of rear seat. See Figure . |
| Moon Roof Control Unit | On center underside of roof, above headliner. See Figure . |
| OnStar(R) Control Unit | Behind right side of rear seat. See Figure . |
| OnStar(R) System Interface Unit | Behind right side of rear seat. See Figure . |
| OnStar(R) System Radio Frequency Modulator Unit | Behind right side of rear seat. See Figure . |
| OPDS Unit | Behind left front side trim. See Figure . |
| Passenger's Multiplex Control Unit | Behind right kick panel. See Figure . |
| Powertrain Control Module (PCM) | Below front passenger's footrest. See Figure . |
| Power Window Control Unit | On driver's door. See Figure . |
| Satellite Unit | At left side of trunk. See Figure . |
| Spark Plug Voltage Detection Module | On right rear of engine compartment. See Figure . |
| SRS Unit | Behind center of dash, below radio. See Figure . |
| Steering Column Control Unit | Behind dash, right of steering column. See Figure . |
| VSA Converter Unit | At right kick panel. See Figure . |
| VSA Modulator/Control Unit | In right rear of engine compartment. See Figure . |
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.