KEYLESS ENTRY SYSTEMS CHAPTER 14 PAGES 513C - 518C PAGES 544L - 549L

MAIN COMPONENTS 4 CONTROL MODULE 4 CODED BUTTON KEY PAD 4 DOOR LOCK MOTORS

SYSTEM FUNCTIONS 4 UNLOCKS ALL DOORS WHEN 3-4 BUTTON IS PRESSSED WITHIN 5 SECONDS AFTER CODE ENTERED 4 RELEASES TRUNK LID 4 ACTIVATES ILLUMINATED ENTRY 4 OPERATES IN CONJUNCTION WITH AUTOMATIC LOCKS SYSTEM

KEY MODULE 4 Controls all functions for Keyless and Autolock systems 4 Located in Trunk on Fords 4 On newer cars, built into BCM 4 Code usually on module itself.

KEYPAD 4 FIVE NORMALLY OPEN SINGLE POLE, SINGLE THROW SWITCHES 4 EACH PAD REPRESENTS TWO NUMBERS 4 LOCATED ON DRIVER’S DOOR 4 PROVIDES INPUT TO CONTROL MODULE CLASS 513

LOCK MOTOR 4 USES EITHER SOLENOID OR PERMANENT MAGNET REVERSIBLE MOTOR 4 MODULE CONTROLS PM LOCK MOTORS BY REVERSING CURRENT CLASS 363

REMOTE OPERATION 4 TRANSMITTER 4 RECEIVER BUILT INTO MODULE 4 ANTENNA 4 SOMETIMES USED WITH ALARM SYSTEM LAB 549

SYSTEM DIAGNOSIS 4 INSURE WHAT SYSTEM YOU HAVE 4 CHECK BASIC LOCK SYSTEM FIRST 4 ROLL DOWN WINDOWS OR KEYS IN POCKET 4 PERFORM FACTORY FUNCTION TEST 4 HIDDEN CODE SOMETIMES ON CONTROLLER MODULE LAB 548

FUNCTION TEST 4 Unlock and lock doors using lock switches 4 Illuminate Keypad 4 Lock doors using keypad 4 Unlock Driver’s door using permanent Code 4 Unlock passenger door’s using 3/4 key 4 Unlock luggage using 5/6 key 4 Check for Auto Lock function (Through reverse gear) 4 Open and close driver’s door to check Autolock 4 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) 4 Key off, trans in park, get out of car, close door Press Keypad to turn on illuminated entry. 4 While illuminated entry is on, press 7/8 and 9/0 simultaneously within 5 seconds of turning on the illuminated Entry system 4 Key off, transmission in Park, door closed, lift handle to open door, within 25 seconds, get inside car and turn ignition switch on 4 Enter Permanent code, within 5 seconds, push 1/2 (this tells module to accept a alternate code) 4 Unlock all doors using alternate code 4 Disable alternate code. (Follow procedure)

CHECK INPUTS AND OUTPUTS LAB Door Handles 4 Driver’s seat sensor 4 Transmission back up light switch 4 Ignition Switch 4 Electric door lock/unlock switches 4 Keypad 4 Courtesy Light Switch 4 Door ajar switch 4 Keypad illumination 4 Door lock actuating solenoid/motor 4 Trunk lid release solenoid 4 Interior courtesy lights INPUTS OUTPUTS

SYSTEM DIAGRAM