Continental Automotive STEP5-6 Immobiliser System User Manual users manual

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Document ID	114453
Application ID	wMNLPyz6AUFUNEXsMR12tQ==
Document Description	users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	52.69kB (658606 bits)
Date Submitted	2000-08-24 00:00:00
Date Available	2000-08-24 00:00:00
Creation Date	2000-08-16 11:04:07
Producing Software	Acrobat 3.0 Scan Plug-in
Document Lastmod	2000-08-16 11:04:56
Document Title	users manual
Document Creator	Acrobat 3.0 Scan Plug-in

SIEMENS
Siemens Automotive
Description of the Siemens immobiliser system tgpe
. Steg5.6
This Siemens system is a vehicle immobilization system. The electronic devices in
the immobilisation system are the immobilizer Step5.6 and a transponder. The
immobilizer Step5.6 is located near the vehicle’s ignition lock. The transponder is
located within the ignition key. The transponder is magnetically coupled to the
Control Module. The immobilizer Step5.6 is connected via a wire harness to
vehicle power, vehicle ground, vehicle ignition, and a ECCS vehicle
communications bus. The ECCS communications bus is a single line OV to +12V,
ISOQ141-2 compatible interface, and allows communications between the
immobilizer Step5.6 and the Engine Management System.
System Operation
This immobilizer system is a passive immobilization system. The immobilizer
. Step5.6 uses a magnetic couple to read the transponder’s identification code. The
communication between the immobiliser and transponder is encrypted. The
module compares the identification code received from the transponder with
identification codes stored in its non-volatile memory. it the identification code from
the transponder matches one of the identification codes stored in memory, the
module sends a “Valid Key” message and associated “rolling code" to the Engine
Management System controller. it there is no match, the module sends an “Invalid
Key“ message to the Engine Management System controller. This causes the
Engine Management System to turn off the engine.
' .
;S[EMENSAG NOTE: THE MANUFACTURER IS NOT RESPONSIBLE
:FCC1D:KR5STEP5-6 FOR ANY RADIO ox TV INTERFERENCE CAUSED BY
‘JOB#;220U0 UNAUTHORIZED MODIFICATION? gasrgégw vow
‘PAGE#: & EQUIPMENT. SUCH MODIFICA 1
THE USER'S AUTHORITY TO OPERATE THE EQUIPMENT.

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Modify Date                     : 2000:08:16 11:04:56
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Create Date                     : 2000:08:16 11:04:07
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