Lincoln Aviator: Horn / Description and Operation - Horn - System Operation and Component Description
System Operation
System Diagram- Vehicles Without Adaptive Steering
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| Item | Description |
|---|---|
| 1 | Clockspring |
| 2 | Horn switch |
| 3 | SCCM |
| 4 | BCM |
| 5 | BCMC |
| 6 | Horn |
Horn Operation - Vehicles Without Adaptive Steering
The horn switch consists of 2 sets of contacts separated by springs. The lower set is connected to ground and the upper set is connected to the horn signal circuit. When the driver airbag module is pressed, it pushes down on the upper set of contacts, collapsing the springs and allowing the contacts to touch. When the contacts touch, it completes the circuit and provides the ground signal which is routed through the clockspring, SCCM and then to the BCM. The BCM then energizes the non-servicable horn relay located in the BCMC. When energized, the horn relay provides voltage to the horn, enabling the horn to sound.
System Diagram- Vehicles With Adaptive Steering
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.jpg)
| Item | Description |
|---|---|
| 1 | BCM |
| 2 | Horn switch |
| 3 | Horn |
| 4 | BCMC |
| 5 | Clockspring |
Horn Operation - Vehicles With Adaptive Steering
The horn switch uses 2 sets of contacts separated by springs. The lower set is connected to ground and the upper set is connected to the horn signal circuit. When the driver airbag is pressed, it pushes down on the upper set of contacts, collapsing the springs and allowing the contacts to touch. When the contacts touch, it completes the circuit and provides a ground signal through the clockspring to the BCM horn input. The BCM then energizes the non-servicable horn relay located in the BCMC. When energized, the horn relay provides voltage to the horn, enabling the horn to sound.
Diagnosis and Testing - Horn
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...
Other information:
Lincoln Aviator 2020-2026 Service Manual: Removal and Installation - Front Display Interface Module (FDIM)
Special Tool(s) / General Equipment Interior Trim Remover Removal NOTE: Removal steps in this procedure may contain installation details. Release the clips and remove the mounting bolt cover. Use the General Equipment: Interior Trim Remover Remove the bolts and position the FDIM...
Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Turn Signal and Hazard Lamps
Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation). Diagnostic Trouble Code Chart Module DTC Description Action BCM B123A:11 Left Front Turn Indicator:Circuit Short To Ground GO to Pinpoint Test C BCM B123A:15 Left Front Turn Indicator:Circuit Short To Battery Or Open GO to Pinpoint Test C BCM B123B:11 Right Front Turn Indicator:Circuit Short To Ground GO to Pinpoint Test C BCM B123B:15 Right Front Turn Indicator:Circuit Short To Battery Or Open GO to Pinpoint Test C BCM B1247:11 Left Rear Turn Indicator:Circuit Short To Ground GO to Pinpoint Test D BCM B1247:15 Left Rear Turn Indicator:Circuit Short To Battery or Open GO to Pinpoint Test D BCM B1248:11 Right Rear Turn Indicator:Circuit Short To Ground GO to Pinpoint Test D BCM B1248:15 Right Rear Turn Indicator:Circuit Short To Battery or Open GO to Pinpoint Test D BCM B1265:01 Left Rear Turn Lamp Feedback:General Electrical Failure GO to Pinpoint Test G BCM B1266:01 Right Rear Turn Lamp Feedback:General Electrical Failure GO to Pinpoint Test G BCM B1497:01 Left Front Turn Lamp Feedback:General Electrical Failure GO to Pinpoint Test G BCM B1498:01 Right Front Turn Lamp Feedback:General Electrical Failure GO to Pinpoint Test G BCM B1D35:11 Hazard Switch:Circuit Short to Ground GO to Pinpoint Test F DDM B1D06:11 Left Turn Indicator:Circuit Short To Ground GO to Pinpoint Test E DDM B1D06:15 Left Turn Indicator:Circuit Short To Battery Or Open GO to Pinpoint Test E PDM B1D07:11 Right Turn Indicator:Circuit Short To Ground GO to Pinpoint Test E PDM B1D07:15 Right Turn Indicator:Circuit Short To Battery Or Open GO to Pinpoint Test E SCCM B124C:96 Turn Indicator Stalk Switch Pack:Component Internal Failure GO to Pinpoint Test H SCCM B124C:9E Turn Indicator Stalk Switch Pack:Stuck On GO to Pinpoint Test H Symptom Chart(s) Symptom Chart: Turn Signal and Hazard Lamps Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices...
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Activating Intelligent Access
The intelligent access key must be within 3 ft (1 m) of the door or luggage compartment you intend to lock or unlock.
At a Door
Electronic door handles are on each door. Gently depress the switch inside the exterior door handle to unlock and open the door. An unlock symbol illuminates on the door window trim indicating your vehicle is unlocked.
