SL 600 (129.076) V12-6.0L (120.983) (1997)
Alarm System Transponder: Description and Operation
Transponder
Purpose
Transferring content of data block to DAS infrared control module. Storing data transmitted from DAS infrared control module.
Design
The transponder consists of an electronic chip and a coil.
Function
After switching on the ignition, the transponder is supplied with power by the DAS infrared control module via the coil on the steering wheel lock.
The DAS infrared control module transfers a password and the number of the data block to be read out to the transponder. The latter transfers the
contents of the data block to the control module. If valid the engine control is released. Then the contents of the data block is written over.
Location
In IR remote control key and in mechanical key.