Lincoln Aviator 2020-2022 Service Manual / Electrical / Battery and Charging System / Battery, Mounting and Cables / Description and Operation - Battery and Cables - System Operation and Component Description

Lincoln Aviator: Battery, Mounting and Cables / Description and Operation - Battery and Cables - System Operation and Component Description

System Operation

Gasoline Vehicles

The main battery, which is located in the engine compartment, is a 12 volt DC source connected in a negative ground system and is a voltage stabilizer for the 12 volt electrical system.

A BMS is attached to the negative side of the battery cable and a generator current sensor (if equipped) is attached to the positive side of the battery cable. For description of these components,
Refer to: Charging System - System Operation and Component Description (414-00 Charging System - General Information, Description and Operation).

Hybrid Vehicles

Hybrid vehicles utilize the main engine compartment battery and an additional 8Ah auxiliary battery. Just like the gasoline vehicles, the main engine compartment battery has a BMS that is attached to the negative side of the battery cable. The auxiliary battery provides support for transient electrical loads that occur during a crank event when the main engine compartment battery is isolated from the rest of the vehicle and unable to provide transient support. The auxiliary battery transient support is only needed if the DC/DC 12 volt output is at or near full capacity (220A). The auxiliary battery is located in the rear compartment, on the LH side of the vehicle. An auxiliary battery isolator, which is located above the main engine compartment battery, uses a LIN to supply diagnostics to the PCM. The auxiliary battery isolator receives a PWM signal from the PCM commanding the auxiliary battery isolator to open and close. During a cranking event the PCM request the auxiliary battery isolator to open, disconnecting the cranking main engine compartment battery, starter, and starter generator from the 12 volt bus. The rest of the vehicle's electrical architecture does not detect the low-voltage transient caused by engine cranking. A battery current sensor is attached to the auxiliary battery negative battery cable. For description of these components,
Refer to: Charging System - System Operation and Component Description (414-00 Charging System - General Information, Description and Operation).

All Vehicles

Ford Motor Company strongly recommends that all faulty batteries be returned to an authorized recycling facility for disposal.

    Description and Operation - Battery and Cables - Overview

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    Diagnosis and Testing - Battery

    General Equipment Diagnostic Battery Charger Use Ford approved battery test equipment. Midtronics MDX-650 or P-300/P-600/490/1050 Midtronics GRX-3590 or 3000 Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices...

    Other information:

    Lincoln Aviator 2020-2022 Owners Manual: Rear Passenger Climate Controls


    Use the rear passenger touchscreen to select the following: Touch the climate button on the feature bar to access the rear passenger climate control screen. Rear Passenger Climate Control Screen Selecting a Row Touch 2nd Row to control the second row climate...

    Lincoln Aviator 2020-2022 Service Manual: Removal and Installation - Pedestrian Alert Control Module (PACM)


    Special Tool(s) / General Equipment Interior Trim Remover Removal Remove the luggage compartment floor cover. Release the clips and the luggage compartment side trim panel. Use the General Equipment: Interior Trim Remover Disconnect the electrical connectors and position the wiring harness aside...

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    Fastening the Seatbelts

    The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.

    Insert the belt tongue into the proper buckle (the buckle closest to the direction the tongue is coming from) until you hear a snap and feel it latch. Make sure that you securely fasten the tongue in the buckle.

    Lincoln Aviator. Fastening the Seatbelts

    To unfasten, press the release button and remove the tongue from the buckle.

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