Memory Seat and Mirrors System

Memory Seat and Mirrors system is available only on Town and Country (Luxury Class) vehicles.

The Memory Seat/Mirror Module (MSM Module) is mounted under the driver's seat, on the inboard upper track with Torx head screws. The MSM Module provides the driver with an adjustable seat, recliner, and power side view mirror positioning controller that remembers stored positions and will recall those positions on command.

The Memory Seat/Mirror Module reads all seat and recliner switch inputs and operates the seat and recliner motors in response to switch actuation. The MSM Module monitors position sensing potentiometers (mounted on the motors) for seat and recliner positioning.

The MSM Module operates the power side view mirror motors through solid state drivers (electronic switches) in the recall mode only, and follows the glass face position by means of rheostats built into the motor pack assembly of the mirrors. Normal electrical operation of the mirrors is accomplished by actuation of the power mirror switch.

The Memory Seat/Mirror Module monitors the memory switches and has the capability to store desired positions in non-volatile memory in response to a valid input sequence. Refer to Memory Selector Switches (1, 2, and 5) and Remote Keyless Entry (RKE) Data Link. The memory seat/mirror module also can activate the previously described motors in response to a recall request from an individual memory switch.

The Memory Seat/Mirror Module monitors a data link between the RKE receiver and the Body Control Module (BCM) and will respond to stored information or modify stored information when requested by a valid data stream.

The Memory Seat/Mirror Module is connected to the system through a seat wiring harness that interfaces will all of the components within the seat structure, and with electrical distribution wiring harness connections to the non-seat mounted components. The module operates the seat and recliner motors through relays: four dedicated to track forward/rear- ward, track front up/down, track rear up/down, and recliner forward/rearward. A fifth relay controls the direction of operation of those motors.