KEYLESS ENTRY SYSTEMSKEYLESS ENTRY SYSTEMS

CHAPTER 14

PAGES 513C - 518C

PAGES 544L - 549L

MAIN COMPONENTS

CONTROL MODULE CODED BUTTON KEY PAD DOOR LOCK MOTORS

SYSTEM FUNCTIONS

UNLOCKS ALL DOORS WHEN 3-4 BUTTON IS PRESSSED WITHIN 5 SECONDS AFTER CODE ENTERED

RELEASES TRUNK LID ACTIVATES ILLUMINATED ENTRY OPERATES IN CONJUNCTION WITH

AUTOMATIC LOCKS SYSTEM

KEY MODULE

Controls all functions for Keyless and Autolock systems

Located in Trunk on Fords

On newer cars, built into BCM

Code usually on module itself.

KEYPAD

FIVE NORMALLY OPEN SINGLE POLE, SINGLE THROW SWITCHES

EACH PAD REPRESENTS TWO NUMBERS LOCATED ON DRIVER’S DOOR PROVIDES INPUT TO CONTROL MODULE

CLASS 513

LOCK MOTOR

USES EITHER SOLENOID OR PERMANENT MAGNET REVERSIBLE MOTOR

MODULE CONTROLS PM LOCK MOTORS BY REVERSING CURRENT

CLASS 363

REMOTE OPERATION

TRANSMITTER RECEIVER BUILT

INTO MODULE ANTENNA SOMETIMES USED

WITH ALARM SYSTEM

LAB 549

SYSTEM DIAGNOSIS

INSURE WHAT SYSTEM YOU HAVE CHECK BASIC LOCK SYSTEM FIRST ROLL DOWN WINDOWS OR KEYS IN

POCKET PERFORM FACTORY FUNCTION

TEST HIDDEN CODE SOMETIMES ON

CONTROLLER MODULELAB 548

FUNCTION TEST

Unlock and lock doors using lock switches Illuminate Keypad Lock doors using keypad Unlock Driver’s door using permanent Code Unlock passenger door’s using 3/4 key Unlock luggage using 5/6 key Check for Auto Lock function (Through reverse gear) Open and close driver’s door to check Autolock Open driver’s door, key on, trans in drive, turn off

courtesy lights with door switch using left foot

Cont’d on next slide

FUNCTION TEST (CONT’D)

Key off, trans in park, get out of car, close door Press Keypad to turn on illuminated entry.

While illuminated entry is on, press 7/8 and 9/0 simultaneously within 5 seconds of turning on the illuminated Entry system

Key off, transmission in Park, door closed, lift handle to open door, within 25 seconds, get inside car and turn ignition switch on

Enter Permanent code, within 5 seconds, push 1/2 (this tells module to accept a alternate code)

Unlock all doors using alternate code Disable alternate code. (Follow procedure)

CHECK INPUTS AND OUTPUTS

LAB 547

Door Handles Driver’s seat sensor Transmission back up

light switch Ignition Switch Electric door lock/unlock

switches Keypad Courtesy Light Switch Door ajar switch

Keypad illumination Door lock actuating

solenoid/motor Trunk lid release

solenoid Interior courtesy

lights

INPUTS OUTPUTS

SYSTEM DIAGRAM