Lincoln Aviator 2020-2022 Service Manual / Electrical / Instrumentation and Warning Systems / Horn / Description and Operation - Horn - System Operation and Component Description

Lincoln Aviator: Horn / Description and Operation - Horn - System Operation and Component Description

System Operation

System Diagram- Vehicles Without Adaptive Steering


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


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.

    Description and Operation - Horn - Component Location

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    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 2020-2022 Service Manual: Description and Operation - Exterior Lighting - System Operation and Component Description


    System Operation Headlamps - Low Series System Diagram Item Description 1 HS-CAN2 2 BCM 3 LH low beam 4 LH high beam 5 RH low beam 6 RH high beam 7 SCCM 8 LH steering column multifunction switch 9 IPMA 10 GWM 11 HS-CAN1 12 Start/Stop switch 13 HCM 14 LIN 15 LIN 16 PCM 17 LH headlamp 18 RH headlamp 19 LH front suspension height sensor 20 LH rear suspension height sensor 21 Headlamp switch 22 (If equipped automatic headlamp leveling) 23 LIN 24 LIN Network Message Chart   BCM Network Input Messages Broadcast Message Originating Module Message Purpose Headlamp flash to pass status   GWM Indicates to the BCM a request for the high beams or flash-to-pass...

    Lincoln Aviator 2020-2022 Owners Manual: Essential Towing Checks


    Follow these guidelines for safe towing: Do not tow a trailer until you drive your vehicle at least 1,000 mi (1,600 km). Consult your local motor vehicle laws for towing a trailer. See the instructions included with towing accessories for the proper installation and adjustment specifications...

    Categories

    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.

    Lincoln Aviator. Activating Intelligent Access

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