Brakes and Traction Control: Description and Operation

DESCRIPTION AND OPERATION

Brake System
The brake system has the following components:
^ a vacuum-assisted power braking system
^ a front-to-rear split hydraulic system
^ front disc brakes using a dual piston brake caliper and disc system
^ rear disc brakes using a single piston brake caliper and disc system
^ a mechanical parking brake system that activates a drum-in hat system within the rear brake disc
^ a 4-wheel anti-lock brake system (4WABS).

Adjustable Pedals
The Lincoln Aviator is equipped with an adjustable brake and accelerator pedal system. Using the adjustable pedal switch located on the instrument panel, the driver can adjust the brake and accelerator pedals for a more comfortable driving position.

Adjustable Pedal Operation
The adjustable pedals are operational with the ignition switch in the ON or OFF positions. The pedals can be adjusted forward or rearward using the adjustable pedal switch.

Driver Seat Module
The driver seat module (DSM) controls the memory adjustable pedals. The DSM constantly monitors the systems under its control and reports a concern in the form of diagnostic trouble codes (DTCs). DTCs are retrieved using a diagnostic tool with the appropriate adapter cable through the data link connector (DLC).

Memory Adjustable Pedal Operation
The adjustable pedals with memory feature can be controlled by using the memory switches or the remote keyless entry (RKE) transmitter. The outside rearview mirror and power driver seat positions are also stored and recalled with the power adjustable pedal positions. The system can store 3 memory settings.

Programming Adjustable Pedal Positions
Programming adjustable pedal positions can be accomplished as follows:
^ An adjustable pedal position can be stored at any time. To store the adjustable pedal position to memory, the driver must move the pedals to the preferred position using the adjustable pedal switch. The driver must then depress the memory
SET switch, activating the memory SET switch light emitting diode (LED). Within 5 seconds (before the LED goes out) the driver must select memory position 1, 2, or 3.
^ If no memory switch input is received within the 5 second time limit, the operation is aborted and the memory SET switch LED is turned OFF. If one of the following inputs is received during the 5 second programming limit, the operation is aborted and the memory SET switch LED is turned OFF:
^ adjustable pedal switch
^ power driver seat switch
^ exterior mirror control switch
^ memory SET switch

Recalling a Stored Adjustable Pedal Position
Once the driver has stored a preferred adjustable pedal position, the driver can recall the setting by depressing the corresponding memory switch, or by using a programmed RKE transmitter. Recalling a stored adjustable pedal position can be accomplished by doing the following:
^ The driver can recall a preferred adjustable pedal position by pressing one or both of the memory recall switches. Pressing memory switch 1 initiates a recall of the adjustable pedal position stored in memory No. 1 Pressing memory switch 2 initiates a recall of the adjustable pedal position stored in memory No. 2. Pressing both memory No. 1 and memory switch 2 will initiate a recall of the adjustable pedal position stored in memory No. 3.
^ A RKE transmitter can be used to recall previously set memory positions. The RKE transmitters are manufactured with an assigned personality number (1, 2, or 3) and are so designated on the back of the RKE transmitter case. The RKE transmitter assigned with personality 1 is capable of only recalling memory position 1 Similarly, the RKE transmitters assigned with personalities 1, 2, and 3 can recall memory positions 1, 2, and 3 respectively.
^ Memory recall occurs when the UNLOCK switch is pressed on the RKE transmitters. A second press of the UNLOCK switch, which unlocks the passenger doors, does not initiate a memory recall.
^ A memory recall in progress does not prohibit the initiation of another memory recall; the most recently requested memory recall is executed.