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 Lincoln LS 3.0 SFACTORY OEM SERVICE PROCEDURE
Section 235 (Vehicle Dynamic Suspension)
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnosis And Testing
- Vehicle Dynamic Suspension
- Notes
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Air Suspension Module Diagnostic Trouble Code (DTC) Index
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With The Air Suspension Module
- Pinpoint Test B: Unable To Enter Self-Test
- Pinpoint Test C: DTC B1371/B1318 - Battery Voltage Low
- Pinpoint Test D: DTC B1566 - Door Ajar Circuit Fault/Did Not Detect Open And Close Door Signals
- Pinpoint Test E: DTC C1724 - Air Suspension Height Sensor Power Circuit Failure
- Pinpoint Test F: DTC C1726 - Air Suspension Pneumatic Failure
- Pinpoint Test G: DTC C1760 - Air Suspension Rear Height Sensor High Signal Circuit Failure
- Pinpoint Test H: DTC C1770 - Air Suspension Vent Solenoid Output Circuit Failure
- Pinpoint Test I: DTCs C1790/C1795 - LR/RR Air Suspension Air Spring Solenoid Output Circuit Failure
- Pinpoint Test J: DTC C1830 - Air Compressor Relay Circuit Failure
- Pinpoint Test K: DTC C1840 - Air Suspension Switch Circuit Failure
- Pinpoint Test L: The Compressor Is Inoperative
- Pinpoint Test M: The Air Compressor Continuously Cycles With The Ignition Switch In The OFF Position And No DTC Is Set
- Component Test
- Vehicle Dynamic Suspension
- General Procedures
- Removal And Installation
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.
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