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 MANUALSCADILLAC1993DEVILLE BASE, 4D SEDANREPAIR AND DIAGNOSISBODY & FRAMESEATS - POWER MEMORYSYSTEM TESTSNOTES
1993 Cadillac DeVille Base, 4D Sedan
System Tests: Notes
1993 Cadillac DeVille Base, 4D SedanSECTION Notes
SYMPTOM INDEX
| Symptom | Perform Test | |
|---|---|---|
| Memory Seat (W/O Sixty Special Seat) | ||
| All Seat Functions Inoperative | A | |
| Some, But Not All Seat Functions Inoperative | B | |
| Pneumatic Controls (Sixty Special Seat) | ||
| Air Fills Lumbar Support Bladder But Will Not Hold Air Pressure For Extended Length Of Time | C | |
| Air Will Not Fill Lumbar Support Bladder | D | |
| Motor/Pump Inoperative | E | |
| Neither Inflate Or Deflate Functions Operate (Seat Air Pump Motor Can Be Heard When At Least One Inflatable Support Adjustment Is Attempted) | F | |
| Neither Inflate Or Deflate Functions Operate (Seat Air Pump Motor Cannot Be Heard When Any Inflatable Support Adjustment Is Attempted) | G | |
| No Seat Functions Operate On Either Seat | H | |
| One Or More But Not All Pneumatic Seat Functions Do Not Operate | I | |
| Only Inflate Or Deflate Function Operates (Seat Air Pump Motor Cannot Be Heard When Inoperative Inflatable Support Adjustment Is Attempted) | J | |
| Seat Air Pump Runs Continuously For More Than 20 Seconds & Selected Bladder Does Not Inflate | K | |
| Power 6-Way Seat Adjuster | ||
| Horizontal Chuck Or Looseness | L | |
| Horizontal Operation Of Seat Not Smooth (Jerky) - Apparent Hard Operation | M | |
| One Adjuster Will Not Operate Horizontally | N | |
| One Adjuster Will Not Operate Vertically | O | |
| Reclining Seat | ||
| Left Seat & Right Seat Reclining Functions Do Not Operate | P | |
| Motor Operates But Seat Back Does Not Move | Q | |
| Operation Not Smooth (Jerky) | R | |
| Seat Reclining Functions Operate For One Seat Only | S | |
| Seat Reclining Functions Work In Only One Direction | T | |
RENDER: 1.0x
NO RELATED
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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.