Handles, Locks, Latches & Entry Systems: Notes

2009 Mercury Mountaineer 4.6 8, RWDSECTION Notes
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The hood consists of the following components:

  • Hood latch
  • Hood latch striker
  • Hood ajar switch
  • Hood latch control handle and cable

The front doors consist of the following components:

  • Exterior front door handle
  • Door lock cylinder
  • Driver door disarm switch
  • Front door latch
  • Door lock actuator
  • Door lock control switch
  • Door ajar switch
  • Door latch actuating rods
  • Interior door handle
  • Interior door handle remote control

The rear doors consist of the following components:

  • Exterior rear door handle
  • Rear door latch
  • Child lock bezel
  • Door lock actuator
  • Door latch actuating rods
  • Interior door handle
  • Interior door handle remote control

The luggage compartment lid consists of the following components:

  • Luggage compartment lid latch
  • Luggage compartment lid lock cylinder
  • Luggage compartment lid ajar switch
  • Luggage compartment lid anti-theft inhibit switch

The remote keyless entry (RKE) system consists of the following components:

  • Driver door module (DDM)
  • Lighting control module (LCM)
  • RKE transmitter
  • Keyless entry keypad
  • Antenna
Fig 1: Remote Keyless Entry (RKE) Transmitter
GF0013224Courtesy of FORD MOTOR CO.

The RKE transmitter initiates the following electronic system functions:

  • Releases the luggage compartment lid
  • Unlocks the driver door
  • Unlocks all doors
  • Locks all doors
  • Arms/disarms the perimeter alarm or inhibits the alarm for the luggage compartment (if equipped)
  • Activates/deactivates the panic alarm
  • Commands the interior lamps on (when unlocking) and off (when locking)
  • Sounds the horn once when LOCK is pressed twice within 3 seconds, and the doors are closed

The RKE transmitter has a maximum operating range of 10 m (33 ft).

The RKE transmitters can be programmed using a scan tool or by using the ignition lock cylinder method.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.