Summary of Contents for Alps Electric WDU614
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Page 1: Table Of Contents
ALPS ELECTRIC Co., LTD CONTENTS PREFACE PASSSIVE ACCSESS ENTRY FUNCTIONALITY 2.1. Door Unlocking 2.2. Engine Start 2.3. Engine Stop 2.4. Door Locking (Push switch) ACTIVE ACCESS ENTRY FUNCTIONALITY 3.1. Door Unlocking 3.2. Engine Start 3.3. Engine Stop 3.4. Door Locking ENTRY SYSTEM OPTIONS 4.1. -
Page 2: Preface
ALPS ELECTRIC Co., LTD 1.Preface This document describes the requirements and operation of the Passive Entry System. However, this document is especially for the Entry system ECU (acronym for Electric Control Unit) and the FOB. The FOB consists the following functionality for passive access and active access: •... -
Page 3: Passsive Accsess Entry Functionality
ALPS ELECTRIC Co., LTD 2.Passsive Accsess Entry Functionality A proximity sensor located on, for example the door handles, mirrors and trunk lid will be used for proximity check if user is in neighborhood of the vehicle. The switch input will trigger for unlocking and open the doors and trunk. -
Page 4: Engine Start
ALPS ELECTRIC Co., LTD 2.2.Engine Start • User pushes / operate the engine start button / knob. • ECU sends LF-challenge via interior antenna. • FOB sends RF-response to the ECU. • Immobilizer ECU receives and authorize the response. •... -
Page 5: Door Locking (Push Switch)
ALPS ELECTRIC Co., LTD 2.4.Door Locking (Push switch) • User closes the door and pushes the switch (sensing of door locking switch). • ECU sends LF-challenge via exterior antenna. • FOB sends RF-response to the ECU. • Door locking status is engaged. -
Page 6: Active Access Entry Functionality
ALPS ELECTRIC Co., LTD 3.Active Access Entry Functionality 3.1.Door Unlocking Same functionality as the current one. 3.2.Engine Start This function does not effect on the active entry system. 3.3.Engine Stop This function does not have influencei on the active entry system. -
Page 7: Entry System Options
ALPS ELECTRIC Co., LTD 4.Entry System Options 4.1.System Schematic OTHER ECUS ENTRY SYSTEM ECU 125kHz Body Bus LF (>2Kbps) 433.92 ECU3 ECU2 ECU1 RF (>4Kbps) Local Bus 4.2.Modules 4.2.1.FOB ECU ASIC Lock 433.92 Unlock Trunk Key lock 125kHz Emergency key (Transponder) 4.2.2.Entry System ECU... -
Page 8: System Characteristics
ALPS ELECTRIC Co., LTD 5.System Characteristics 5.1.Antenna Areas Exterior operating range: 0.8m to 1.5m Interior operating range: Only inside the car Number of the exterior exciters : max. 5 (min. 2), however, it is depending on the type of the vehicle. -
Page 9: Exciter Locations
ALPS ELECTRIC Co., LTD 5.2.Exciter Locations Exterior exciters: 2 doors and 1 trunk Interior exciters: 1 driver’s sheet 2 column / shift lever (X-Y 2-Dimension) Interior Exterior Figure 7 Antenna location can be different among of type of the vehicle (e.g. coupe, sedan, mini and stuff). -
Page 10: Switch Input Locations (Door Handle, Touch Sensor)
ALPS ELECTRIC Co., LTD 5.3.Switch Input Locations (Door handle, Touch sensor) There are some kind of sensors, for instance the door handle contact switch and touch sensor, will be used as a triggering for unlocking and open the door. Switch inputs:... -
Page 11: Electrical Characteristics
ALPS ELECTRIC Co., LTD 6.Electrical Characteristics 6.1.FOB • ASK / FSK modulation • Operating supply voltage 2.1V to 4.0V (3.0V Battery) • Operating supply current < 7mA • Stand-by current < 10.0uA • Operating ambient temperature C to +60 • Antenna direction 3-Dimension (X, Y, Z), to be considered •... -
Page 12: Fcc Warning
ALPS ELECTRIC Co., LTD FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTICE This device complies with Part 15 of the FCC Rules. Operation is subject to the following...
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