Continental Automotive GmbH MARSKEYLESS Manuel D’Utilisation

DAIMLER MARS EIS ECU

– Homologation of LF-Driver Part

Author:

Dept.:

Sebastian Henke

E-B-D2-HW

Doc. name:
Process

Hardware Description

DAI_MARS_EIS_Homologation.docx

Doc.

version

1.1

Page:

1/31

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Hella

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Table of Content

General Information ............................................................................................ 2

LF- Performance in Typical Application ............................................................ 3

2.1

LF Antenna Positions in Vehicle ............................................................................. 4

2.2

Authentication Ranges Inside and Outside the Vehicle ........................................... 5

HW-Description ................................................................................................... 6

3.1

DAIMLER MARS ECU ............................................................................................ 6

3.2

ECU Layout ............................................................................................................ 6

3.3

ECU Schematic ...................................................................................................... 8

3.4

BOM (Populated Parts) of Hella Part ...................................................................... 9

3.5

Block Diagram of Related Functional Modules ...................................................... 11

LF-Driver Hardware Module with 5291 ............................................................ 12

4.1

Functional Description .......................................................................................... 13

4.1.1

General Function ....................................................................................................... 13

4.1.2

PEPS Tx Mode .......................................................................................................... 13

4.1.3

Immo TxRx Mode....................................................................................................... 14

LF-Antennas ...................................................................................................... 15

5.1

Documentation C2-Sample ................................................................................... 16

5.1.1

Connection Schematic 207.308-00, A167 905 47 00 ................................................ 16

5.1.2

Picture of the C2-Sample Antenna ............................................................................ 17

5.1.3

Mechanical Parameter ............................................................................................... 18

Software for LF Transmitter Mode (Data and CW) for Homologation ........... 19

6.1

LF Data Scan ........................................................................................................ 20

6.1.1

Single Transmission LF Scan .................................................................................... 20

6.1.2

Single Transmission

– f = 125kHz Oscillating Signal ............................................... 20

6.1.3

Repetition of Transmissions ...................................................................................... 21

6.2

IMMO Transponder Start ...................................................................................... 22

6.2.1

Single Transponder Start and Repetition of Transmissions ...................................... 22

6.2.2

Data Transmission ..................................................................................................... 23

Test Set Up for Homologation .......................................................................... 24

7.1

Setup in Block Diagram View ................................................................................ 24

7.2

ECU and Connector Pinning for Hella design part ................................................ 25

7.3

Components on Setup .......................................................................................... 26

7.4

Schematic ............................................................................................................. 27

Housing views including Label ........................................................................ 28

PHOTOS ............................................................................................................. 29

10 Warning statement and Label information ..................................................................................31