Continental Automotive 5WK49182 Immobilization system User Manual technical manual

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Document ID	443359
Application ID	JqrL4HnsENcL8li175ulrg==
Document Description	technical manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	4.39kB (54919 bits)
Date Submitted	2004-06-24 00:00:00
Date Available	2004-06-24 00:00:00
Creation Date	2004-06-09 14:07:38
Producing Software	Acrobat Distiller 6.0.1 (Windows)
Document Lastmod	2004-06-09 14:08:16
Document Title	Microsoft Word - Annex No 5 _Technical description_.doc
Document Creator	PScript5.dll Version 5.2
Document Author:	Manfried Dudde

Annex No.5
Functional Description
User Manual
SIEMENS VDO Automotive AG
SV C BC P2 RF TG
IC: 267T-5WK49182
FCC ID:KR55WK49182
Functional Description /
User Manual
of
SIEMENS VDO
Immobilization system
type Suzuki Gasoline
File: I:\POSTZULA\Suzuki\Technical Documentation\Functional_description_Gasoline.doc
Page 1 of 4
SIEMENS VDO Automotive AG
SV C BC P2 RF TG
IC: 267T-5WK49182
FCC ID:KR55WK49182
FUNCTIONAL DESCRIPTION
System Components
The Suzuki Gasoline immobilization system consists of the immobilizer antenna, a transponder and the Engine control unit. The immobilizer antenna is located on the vehicle’s
ignition lock. The transponder is located within the ignition key. The transponder is magnetically coupled to the immobilizer antenna. The immobilizer antenna is connected to vehicle
power and to vehicle ground via a wiring harness and to the Engine control unit via serial
interface.
For the illumination, a side LED which is connected to a light pipe is used. The LED is powered externally via two resistors.
System Operation
This immobilizer system is a passive immobilization system. The immobilizer antenna uses a
magnetic couple to read the transponder’s identification code. The immobilizer compares the
identification code received from the transponder via immobilizer antenna with identification
codes stored in its non-volatile memory. If the identification code from the transponder
matches one of the identification codes stored in memory, the immobilizer sends a “Valid
Key” message to the Engine Management System controller. If there is no match, the immobilizer sends an “Invalid Key” message to the Engine Management System controller.
This causes the Engine Management System to turn off the engine.
Block Diagram
Immobilizer
LED +
Yellow LED
for Illumination ring
Illumination ring
LED -
ECM
LF Antenna
Key
Kl.15
12V
Power Supply
5V - Regulator
GND
5V
Energy
Resonator
Data
Security
Transponder
Chip
PCF7936AS
SCI
SCLK
Serial
Interface
CLK
RXD
TXD
Advanced
Basestation
IC
PCF7991AT
File: I:\POSTZULA\Suzuki\Technical Documentation\Functional_description_Gasoline.doc
Inductive Link
f = 125 kHz
Page 2 of 4
SIEMENS VDO Automotive AG
SV C BC P2 RF TG
IC: 267T-5WK49182
FCC ID:KR55WK49182
Variants
type designation
remarks
5WK49182
immobilizer antenna with LED assembled
5WK49181
immobilizer antenna without LED assembled
Both variants use the same pcb, schematic and layout. They differ only in the assembly of the illumination LED ring which does NOT influence the RF characteristics of
the immobilizer.
Technical Data
Carrier frequency:
125 kHz ± 2kHz
Carrier field strength:
< 40dBµA/m @10m
Modulation:
ASK
Supply voltage:
12 V
Battery type:
Car battery
Range:
< 55mm
Typical usage pattern
50 immobilizer operations in 24 hours with a typical transmission duration of 0.12
seconds → 6 seconds transmission duration in 24 hours → 0.25 seconds transmission in 1 hour
Transmitter ON
0.25
seconds / hour
Transmitter OFF
3,599.75
seconds / hour
Duty Cycle: TON / T
(ON+OFF)
x 100% = 0.25 / 3,600 x 100 % =0.006 %
NOTE
Changes or modifications not expressly approved by the manufacturer could void the
users authority to operate the equipment.
File: I:\POSTZULA\Suzuki\Technical Documentation\Functional_description_Gasoline.doc
Page 3 of 4
SIEMENS VDO Automotive AG
SV C BC P2 RF TG
IC: 267T-5WK49182
FCC ID:KR55WK49182
Label Design
Siemens VDO
Siemens VDO
5WK49182
5WK49182
FCC ID:KR55WK49182
Model: 5WK49181
IC:267T-5WK49182
FCC ID:KR55WK49182
IC:267T-5WK49182
This device complies with part 15 of the
FCC Rules and RSS-210. Operation is
subject to the following two conditions: (1)
This device may not cause harmful
interference, and (2) this device must
accept interference received, including
interference that may cause undesired
operation.
This device complies with part 15 of the
FCC Rules and RSS-210. Operation is
subject to the following two conditions: (1)
This device may not cause harmful
interference, and (2) this device must
accept interference received, including
interference that may cause undesired
operation.
File: I:\POSTZULA\Suzuki\Technical Documentation\Functional_description_Gasoline.doc
Page 4 of 4

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Title                           : Microsoft Word - Annex No 5 _Technical description_.doc
Creator                         : Manfried Dudde
Author                          : Manfried Dudde

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