ALPS ALPINE WDU630 Passive Entry System (Control Unit) User Manual KEYLESS ENTRY UNIT

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Document ID	635490
Application ID	lYz1S/TdR6ycVBNrSeWfTg==
Document Description	Users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	30.05kB (375679 bits)
Date Submitted	2006-03-10 00:00:00
Date Available	2006-03-10 00:00:00
Creation Date	2006-02-10 18:16:55
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2006-02-10 18:17:15
Document Title	KEYLESS ENTRY UNIT
Document Creator	Acrobat PDFMaker 5.0 for Word
Document Author:	ŽÔÚ\(Ž–\)Ž–‹ÆŒv‰æŽº

CONTENTS
1.
PREFACE
2.
PASSSIVE ACCSESS ENTRY FUNCTIONALITY
2.1.
2.2.
2.3.
2.4.
3.
Door Unlocking
Engine Start
Engine Stop
Door Locking (Push switch)
ACTIVE ACCESS ENTRY FUNCTIONALITY
3.1.
3.2.
3.3.
3.4.
3.5.
4.
Door Unlocking
Engine Start
Engine Stop
Door Locking
Trunk Open
ENTRY SYSTEM OPTIONS
4.1.
4.2.
5.
System Schematic
Modules
4.2.1. FOB ECU
4.2.2. Entry System ECU
SYSTEM CHARACTERISTICS
5.1.
5.2.
5.3.
6.
Antenna Areas
Exciter Locations
Switch Input Locations (Door handle)
ELECTRICAL CHARACTERISTICS
6.1.
6.2.
FOB
Entry System ECU
FCC WARNING
NOTICE
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:
•
•
•
•
•
Door unlocking / locking (however, only for request by means of switch operation)
Trunk open (however, only for request by means of switch operation)
LF decoding
RF encoding
Communication data encryption (cryptograph, anti-collision, rolling code and stuff)
And the entry system ECU consists of the following functionality:
•
•
•
•
•
•
•
•
Door unlocking / locking
Trunk open
Engine start (/ stop)
LF encoding
RF encoding
Communication data encryption (cryptograph, anti-collision, rolling code and stuff)
LF antenna unit control
Communication with the node ECUs connected to the body bus (e.g. CAN, J1850, customer
dependent bus)
As a further function, both the FOB and the entry system ECU provides the following function:
• Learning mode for programming the manufacturing data and stuff
• Data locking and password protection
• Diagnostic (based upon ISO9141 if required)
2.Passsive Accsess Entry Functionality
A handle sw 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.
Door Handle SW
Figure 1
2.1.Door Unlocking
•
•
•
•
•
User pushes door handle sw.
ECU sends LF-challenge via exterior antenna.
FOB sends RF-response to the ECU.
Door unlocking status is engaged.
Doors are opened.
LF
RF
Figure 2
FOB
2.2.Engine Start
•
•
•
•
•
•
User operates the engine start knob.
ECU sends LF-challenge via interior antenna.
FOB sends RF-response to the ECU.
Immobilizer ECU receives and authorize the response.
Engine controller ECU receives the authorization for engine strat.
Start the engine.
RF
LF
FOB
Figure 3
2.3.Engine Stop
•
•
•
•
User operates the engine stop knob.
ECU communicates with the other ECU for engine start request.
Engine controller ECU receives the request.
Stop the engine
Figure 4
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.
Doors are locked.
(Indicates the door locking status by means of Flasher / Buzzer or stuff)
Figure 5
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 influence on the active entry system.
3.4.Door Locking
Same functionality as the current one.
3.5.Trunk Open
Same functionality as the current one.
4.Entry System Options
4.1.System Schematic
OTHER ECUS
FOB
ENTRY SYSTEM ECU
125kHz
Body Bus
ECU
ECU
LF (>2Kbps)
ECU
Local Bus
RF Tuner
Tuner signal
4.2.Modules
315MHz
RF (>4Kbps)
4.2.1.FOB ECU
FOB
ASIC
RF
Amp
315MHz
Lock
Unlock
125kHz
Trunk
LF
Amp
Panic
Emergency key (Transponder)
4.2.2.Entry System ECU
ENTRY SYSTEM ECU
Dr Door handle
MCU
Tuner signal
Interior Antenna
As Door handle
Trunk
Room1
Room2
Room3
Push knob
(Engine start knob)
LF
LF
LF
Exciter Exciter Exciter
Room1: Console Antenna
Room2: Inst. Antenna
Room3: Trunk Antenna
125kHz
Dr
Body Bus
Local Bus
As
Trunk
LF
LF
LF
Exciter Exciter Exciter
Exterior Antenna
Dr : Driver Door Antenna
As : Assist Door Antenna
Trunk : Bumper Antenna
5.System Characteristics
5.1.Antenna Areas
Exterior operating range:
Interior operating range:
0.8m to 1.5m
Only inside the car
Number of the exterior exciters :
Number of the interior exciters:
typ.3, however, it is depending on the type of the vehicle.
max.4 (min.2)
Interior
Exterior
Dr
As
Back
Figure 6
Exterior antenna functionality:
• Unlock / lock doors.
• Open trunk.
• Activate / deactivate alarm system.
• Activate immobilizer
Interior antenna functionality:
• Deactivate immobilizer
• Engine start
5.2.Exciter Locations
Exterior exciters:
Interior exciters:
3 doors
1 Center Console
2 Inst panel
3 Trunk
Interior
Exterior
Dr
As
Bumper
Figure 7
Antenna location can be different among of type of the vehicle (e.g. coupe, sedan, mini and stuff).
5.3.Switch Input Locations (Door handle)
There are some switches, for instance the door handle contact switch will be used as a triggering for
unlocking and open the door.
Switch inputs:
3 doors
Dr
As
Trunk
Figure 8
Switch inputs can be different among of type of the vehicle (e.g. coupe, sedan, mini and stuff).
6.Electrical Characteristics
6.1.FOB
•
•
•
•
•
•
ASK / FSK modulation
Operating supply voltage
Operating supply current
Stand-by current
Operating ambient temperature
Antenna direction
• Battery life
2.5V ~ 3.3V (3.0V Battery)
< 35mA
< 10.0uA
-10oC to +60oC
3-Dimension (X, Y, Z), to be considered
1.5 Years (Low battery indication is considered)
6.2.Entry System ECU
•
•
•
•
•
Operating supply voltage
Operating supply current
Stand-by current
Operating ambient temperature
9.0V ~ 16.0V
< 55mA
< 4.0mA
-30oC to +80oC
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 and RSS-Gen of IC Rules.
Operation is subject to the following two conditions:
(1)
this device may not cause harmful interference, and
(2)
this device must accept any interference received, including interference that may
cause undesired operation.

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Modify Date                     : 2006:02:10 18:17:15+09:00
Create Date                     : 2006:02:10 18:16:55+09:00
Page Count                      : 12
Creation Date                   : 2006:02:10 09:16:55Z
Mod Date                        : 2006:02:10 09:16:55Z
Producer                        : Acrobat Distiller 5.0.5 (Windows)
Author                          : ŽÔÚ\(Ž–\)Ž–‹ÆŒv‰æŽº
Metadata Date                   : 2006:02:10 09:16:55Z
Creator                         : ŽÔÚ\(Ž–\)Ž–‹ÆŒv‰æŽº
Title                           : KEYLESS ENTRY UNIT
Page Mode                       : UseNone
Tagged PDF                      : Yes

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