Continental Automotive A2C81494900 User Manual

Functional Description /

User Manual

of

Continental

Remote Control System

A2C81494900

page 1 of 4

RF Key

Identifier

Start code

RF

emission

SRx

receiver

Host
BCM

Communication

Line

General description of the RF transmitter

The RF (radio frequency) remote control system consists of a RF transmitter and a RF
receiver mounted within the control unit.

The described system is a radio-frequency remote control for central doors locking /
unlocking, trunk release and Panic activity of an automotive vehicle.

System Operation:
Remote keyless entry function is provided by the RF system of the Rx and the RKE

transmitter. The operation of these functions are as follows:

Remote keyless Entry:
The RKE transmitter operate at 315 MHz. ASK modulated data signal is transmitted to the
Rx which receives the encrypted RF signal. Then, it send the data of the signal to
corresponding the host Body control module through the communication line. This
transmitter is used to transmit an information for locking or unlocking of the vehicle by an
unidirectional RF transmission line for normal remote operation by pressing a button.

In general the following functions are provided:

- Lock the car

- Unlock the car

- Unlock the trunk of the car

- Panic

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