Authorization Of Transmitter Key/Mobile Phone, Basic Function - GF80.20-D-1004A

Model All (Light transporter) 

Overview 

This document contains information on:

• General 
• Function 
  • Transmitter key authorization 

General 

Vehicle access and start enable are only granted with a valid access authorization code.

If the authorization is valid, the drive authorization system approves vehicle access and, where applicable, grants start enable.

After authorization, the following takes place among other things:

• Waking up CAN
• Waking up suspension FlexRay
• Locking/unlocking of vehicle (if requested)

Function 

Transmitter key authorization 

The authorization of the transmitter key is started as soon as the drive authorization system receives a request to lock/unlock the vehicle or for start enable.

The transmitter key and the drive authorization system communicate with each other using antennas and exchange encrypted data. The transmitter key is authorized if the comparison of these data is defined as valid to the transmitter key.