Marquardt AK1A User Manual

AK1A User Manual
17.12.2018 KFM
The AK1A (vehicle key) is a component of a driving authorisation system of a car which further
comprises of the body controller module BCMevo.
The components exchange encrypted data for car access, to start the engine and to locate the key. The
AK1A contains three buttons for car access. By pressing the dedicated button the AK1A sends over RF
authorization data to the control unit to open the doors. The 2
third button is dedicated to open the trunk deck. An additional "PANIC" button is implemented optional
for the US market. If the PANIC button is pushed twice or held down for two seconds, the car alarm will
start and can be stopped by pressing this button again.
Moreover car access is also released after touching the door handles. The key is waken by the magnetic
field of the LF antennas, driven by the BCMevo. The AK1A sends over RF encrypted data in return for
authentication.
In case the battery is low car access is possible by means of an integrated mechanic emergency key.
The AK1A is then to be placed into a dedicated slot inside the centre console to be powered wireless by
means of a magnetic field.

Open Button

- To unlock the vehicles doors when the button is pressed
short.
- In case the button is pressed long, the windows will open
additionally.

Close Button

- Locks the vehicles doors when the button is pressed short.
- When the button is pressed, long the windows will close
additionally.

Trunk Button

- To unlock and open the vehicles trunk lid, push the button
twice.
X:\CEQ\FuZu_Homologation\Projekte\VW-Konzern\AUDI\Audi MLBevo ID-Geber MEMS AK1A\03 Allgemeine
Produktbeschreibung\2018-12-17_AK1A_UserManual.docx

User Manual AK1A

nd
button releases data to lock the doors. A
Open
Close
Trunk
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