Continental Automotive Systems SMK27RESA Smart Key ECU User Manual for SMK2 7 RESA

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Document ID	1873615
Application ID	EmPCJ9CuaizURkOp/3VF5A==
Document Description	User Manual
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Document Type	User Manual
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Date Submitted	2013-01-04 00:00:00
Date Available	2013-07-03 00:00:00
Creation Date	2012-12-13 17:00:19
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Document Title	Microsoft Word - User Manual for SMK2.7_RESA.doc
Document Creator	Microsoft Word - User Manual for SMK2.7_RESA.doc
Document Author:	hyojung_nam

Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
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Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
Document :
Project :
Version:
Date:
Number of pages:
Filename:
User Manual for SMK2.7 RESA
SMK2.7 RESA
Project Code :
0.1
Dec. 03 '12
Engineering change order-No.:
Design Freeze No.:
12
User Manual for SMK2.7 RESA
Identification No. :
1.
1.1
1.2
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.3
2.
2.1
2.2
2.3
3.1
3.2
3.3
Page
System configulation
Scope of SMART KEY SYSTEM
short description of the SYSTEM
General Definition of SMART KEY
Wireless Communication
Concept Description
System Architecture
Main Functions
System Overview / Block Diagram
SMK2.7 Configuration
Block Diagram
Pin Description
SMK2.7 ECU
SMK 2.7 ECU Test Board for homologation
Shape of tool box
Switch
Method to use Test board
11
12
12
12
12
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
Contents list
Editor :
SM Shin
Version:
0.1
Document name
Project code
ECO / DF No.
Dec. 05. 2012
File: User Manual for SMK2.7_RESA.doc
Identification No. : Document No.
Page 2 / 12
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
1. System configulation
1.1
Scope of SMART KEY SYSTEM
The System offers the following features:

passive access to two doors and trunk; driver side, passenger side, and trunk/tailgate

passive start after interior detection of the SMART KEY FOB
(without interior trunk detection)

LF-RF communication (based on Continental’s SMART KEY system)

passive access/locking of the two front doors via a toggle push button in the door
handles

passive access trunk/tailgate via the trunk lid switch at the trunk

immobilizer backup solution integrated into SMK 2.7

communication to the engine management system via a single line interface

communication to the ESCL via a single line interface

block of the steering column by the ESCL device
1.2
short description of the SYSTEM
1.2.1
General Definition of SMART KEY
The SMART KEY system is a system that allows the user to access and operate a
vehicle in a very convenient way. To access the vehicle, no traditional key or remote
control unit is needed.
The SMART KEY system is triggered by pressing a push button in the door handle.
After triggered, the vehicle sends out a request in a limited range. If the SMART KEY
FOB receives this request, SMART KEY FOB automatically sends a response to the
vehicle. Then the system decides whether to perform a particular action (unlocking,
locking…) or to remain inactive.
In a similar manner, the SMART KEY system is triggered by pressing a start-stop
button in the dash board.
After triggered, the vehicle sends out a request in a limited range(especially interior
region). If the SMART KEY FOB receives this request, SMART KEY FOB
automatically sends a response to the vehicle. Then the system decides whether to
perform a particular action (terminal status change…) or to remain inactive.
1.2.2
Wireless Communication
Electromagnetic waves are used to exchange information between the vehicle and the
SMART KEY FOB. Both, vehicle and SMART KEY FOB are equipped with a transmitter,
a receiver and several antennas.
Editor :
SM Shin
Version:
0.1
Document name
Project code
ECO / DF No.
Dec. 05. 2012
File: User Manual for SMK2.7_RESA.doc
Identification No. : Document No.
Page 3 / 12
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
1.2.3
Concept Description
With this concept it is possible to have a set of interior antennas that cover the vehicle’s
interior and a set of exterior antennas that cover the vehicle’s exterior.
For an unambiguous separation between the vehicle’s interior and exterior it is sufficient
that at least one area is covered exactly by the corresponding operating ranges of the
antennas.
The functions of the SMART KEY system have to be provided in a clearly defined and
limited range. For the up-link from the vehicle to the SMART KEY FOB, a magnetic field
with a frequency of 125 kHz and ASK modulation is used.
Technical aspects of 125 kHz – magnetic field:
 virtually no reflections,

cubical decrease of field strength  allows good range control,

released frequency band (ISM),

high penetration,

low quiescent current demand due to 125 kHz input stage (SMART KEY FOB),

less sensitive for detuning compared to higher frequency.
For the down-link from the SMART KEY FOB to the vehicle, the standard radio frequency
(RF) is used (similar to the classic remote control functions) with FSK modulation.
1.2.4
System Architecture
The system is designed as an optional system, making it possible to equip vehicles of the
same car-Line with different levels of access control systems.
The system is suitable to be integrated into an existing architecture that provides central
locking functions with standard remote control. This proposal assumes that the following
functions / devices are already present in the vehicle’s architecture.

Central locking system (latch / motor – drivers etc.)

Standard body control functions

Warning buzzer
Editor :
SM Shin
Version:
0.1
Document name
Project code
ECO / DF No.
Dec. 05. 2012
File: User Manual for SMK2.7_RESA.doc
Identification No. : Document No.
Page 4 / 12
Main Functions

The system allows the user to access and exit (unlock and lock) the vehicle without
performing any actions with the SMART KEY FOB.

The system allows the user to control ESCL lock/unlock, to operate relaies to provide
power(Off, Accessory, Ignition) to other ECU, and to start/stop the vehicle’s engine
without performing any actions with the SMART KEY FOB.

Additionally, the system offers the user can operate all vehicle functions by contacting
the Fob to the Start/stop button, which have Immobilizer antenna(terminal control
fuction), and by inserting the mechanical key blade into the door handle(Passive
access function).
DH : 안테나 코일 housing
SMK2.7
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nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
1.2.5
FOB Key
Start Stop Button
(Immobilizer Antenna included)
ESCL
LF Antenna
Figure 1: Offered System Components
Editor :
SM Shin
Version:
0.1
Document name
Project code
ECO / DF No.
Dec. 05. 2012
File: User Manual for SMK2.7_RESA.doc
Identification No. : Document No.
Page 5 / 12
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Proprietary data, company confidential.
All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
1.3
System Overview / Block Diagram
SMART KEY FOB
Challenge
(LF-Up-link)
Editor :
SM Shin
Version:
0.1
Dec. 05. 2012
File: User Manual for SMK2.7_RESA.doc
Response
(RF-Down-link)
Passive Access
Detection Range
Passive Access
Detection Range
Figure 2: Principle of Communication
Document name
Project code
ECO / DF No.
Identification No. : Document No.
Page 6 / 12


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