Connection of Components

A Infrared remote central locking (RCL)
B Drive authorization system stage X (activation of motor electronics via transponder)
A26/1 Left front door IR receiver (RCL)
A26/3 Trunk lid IR receiver (RCL)
A26/7 RCL receiver (interior rearview mirror)
A37 PSE control module
CAN Control-Area-Network
L11 Coil for transponder
N10-1 Combination control module (CF. windshield wiper, rear window defroster)
N54 RCL control module
N54/1 IR DAS control module
S2/1 Ignition/starter switch
S87/1 Right front door lock switch (CF)
S88/2 Trunk lid lock switch (CF)
X11/4 Data link connector (DTC readout)
1 IR transmitter key with transponder
2 Engine control module
3 Engine