9-3 FWD (9440) L4-2.0L Turbo (B207R) (2009)
-
Outside temperature sensor
-
Seat belt warning
-
Switch, TCS/ESP
-
Rheostat, instrument illumination
-
Anti-theft alarm bonnet switch,
The BCM has a microprocessor with clock, RAM memory and a flashable ROM. An internal bus that interconnects the processor and memory with the
I/O unit. The I/O unit answers for gathering values from the A/D converter for analogue inputs, digital inputs, bus and to activate the transistors in the
power amplifiers.
Power supply, ground and bus communication
+30 is fed via the connector which is directly connected to the main fuse box.