Robert Bosch Pty Ltd VIMA01 Benutzerhandbuch
PROTOCOL SPECIFICATION
F005VP0801
ROBERT BOSCH
(AUSTRALIA) PTY. LTD.
A.B.N. 48 004 315 628
SMARTRA III IMMOBILISER
Page 6 of 49
Issue Number:
1.0
Dev No.
3881
Valid from:
14/2/06
Print Date:
28 March, 2007
© THIS DRAWING IS THE EXCLUSIVE PROPERTY OF ROBERT BOSCH (AUSTRALIA) PTY. LTD. WITHOUT THEIR CONSENT IT MAY NOT BE REPRODUCED OR GIVEN TO THIRD PARTIES.
DEV04205.9/I-1
3.1.2 Document description
This document shall focus on the communications protocol between the Smartra and the Engine
Management System (EMS). The existing protocol has been used with two new messages added and
existing messages modified. The changes are required due to additional customer requirements.
The document shall present:
• Project background, requirements and proposed design.
• Message Structure between the EMS and Smartra.
• Message Flow charts: EMS to Transponder (via Smartra) considering different device states.
• Replacing immobiliser system components
• Diagnostic tester interface.
Management System (EMS). The existing protocol has been used with two new messages added and
existing messages modified. The changes are required due to additional customer requirements.
The document shall present:
• Project background, requirements and proposed design.
• Message Structure between the EMS and Smartra.
• Message Flow charts: EMS to Transponder (via Smartra) considering different device states.
• Replacing immobiliser system components
• Diagnostic tester interface.
3.1.3 Diagram: Smartra communications interfaces
Transponder
Smartra
EMS
(com m s m aster)
Low Frequency -
w ireless link
125kHz ASK
single w ire
asynch bi-dir
comms
4800baud
This document
focusses on Smartra
to EMS interface