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 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Control Module (C155) | Left front corner of engine compartment. See Figure . |
| Antenna Gain Module (C4082) | In right rear of roof. See Figure . |
| Brake Shift Module (C2096) | Below center console. See Figure . |
| Central Security Module (CSM) (C3008d, C3008e & C3008f) | Behind right rear seat. See Figure . |
| Climate Controlled Seat Module (Driver Side) (C3031a & C3031b) | In bottom of driver seat. See Figure . |
| Climate Controlled Seat Module (Passenger Side) (C3036a & C3036b) | In bottom of passenger seat. See Figure . |
| Daytime Running Lamps (DRL) Module (C1030) | Left rear side of engine compartment. See Figure . |
| Driver Memory Seat Module (C341d Through C341g) | In bottom of driver seat. See Figure . |
| Dual Automatic Temperature Control (DATC) Module (C228a & C228b) | Behind left side of dash. See Figure . |
| EGR System Module (C1160) | On top center rear of engine. See Figure . |
| Four-Wheel Drive Control Module (C281a & C281b) | Below center console. See Figure . |
| Fuel Pump Driver Module (C4033) | Behind right side of dash. See Figure . |
| Homelink Module (C928) | On front of roof. See Figure . |
| Illumination Dimmer Module (C2065a & C2065b) | At left rear quarterpanel. See Figure . |
| Intake Manifold Communication Control-Long Short Runner Control (IMCC-LSRC) Module (C1286) | On top rear of engine. See Figure . |
| Low Tire Pressure Module (C3183) | At right "C" pillar. See Figure . |
| Navigation Electronic Control Unit (ECU) Module (C4209a) | Bottom of rear cargo area. See Figure . |
| Navigation Head Unit (C2253a, C2253b, C2253c, & C2253d) | At center of dash. See Figure . |
| Parking Aid Module (PAM) (C1041 & C4015) | In right rear of cargo area. See Figure . |
| Passenger Air Bag Module (C256) | At right side of dash. See Figure . |
| Passive Anti-Theft (PATS) (C2007) | On steering column. See Figure . |
| Powertrain Control Module (PCM) (C175b, C175e & C175t) | At right side of engine firewall. See Figure . |
| Restraints Control Module (RCM) (C310a & C310b) | Below center console. See Figure . |
| Side Air Curtain Module (Left) (C3055) | At left "C" pillar. See Figure . |
| Side Air Curtain Module (Right) (C3056) | At right "C" pillar. See Figure . |
| Trailer Electronic Brake Control Module (C239) | Behind center of dash. See Figure . |
| Variable Assist Power Steering (VAPS) Module (C2231a & C2231b) | Behind right side of dash. 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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