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.
1997 Cadillac Eldorado BaseFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| Active Audio Amplifier | Front of trunk compartment, attached to electronics bay. See Figure . |
| Body Control Module (PZM) | Front of trunk compartment, attached to electronics bay. See Figure . |
| Catalytic Converter Alarm Module | Under right side of dash, above kick panel. |
| Continuously Variable Road Sensing Suspension (CVRSS) Module | Front of trunk compartment, attached to electronics bay See Figure . |
| Cruise Control Module | Left rear of engine compartment, on strut tower. |
| Driver Inflator Module | On center of steering wheel. |
| Electronic Brake & Traction Control Module (EBTCM) | Left front corner of engine compartment, on brake pressure modulator valve. |
| Heated Seat Relay Modules | Under respective front seat, on seat adjuster frame. |
| Heater & A/C Programmer | Behind right side of dash, behind glove box. |
| Ignition Control Module (ICM) | On right top of engine, under ignition coils. |
| Memory Mirror Module (MMM) | Under left dash, above brake pedal. |
| Memory Seat Module (MSM) | Under driver's seat. |
| Mobile Telephone Transceiver | Right trunk compartment, near power antenna. |
| Passenger Inflator Module | On top right of dash, above glove box. |
| Powertrain Control Module (PCM) | Left front of engine compartment, under air cleaner housing. |
| Radio Interface Module (RIM) | Front of trunk compartment, attached to electronics bay. See Figure . |
| Rain Sense Module | Forward of inside rearview mirror, attached to windshield. |
| Remote Function Actuator (RFA) Module | Front of trunk compartment, attached to electronics bay. See Figure . |
| Seat Relay Modules (2) | Under respective front seat, on seat adjuster frame. |
| Sensing & Diagnostic Module | Under driver's seat. |
| Sun Roof Control Module | On right side of windshield header. |
| Transmit/Receive Unit | Right side of trunk compartment, near power antenna. |
| Turn/Flasher Module | Behind left side of dash, left of steering column. |
| Vehicle Communication Module | Right side of trunk compartment, near power antenna. |
| Vehicle Interface Module | Right side of trunk compartment, near power antenna. |
| Windshield Wiper/Washer Module | On left side of firewall, in engine compartment. |
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.