Control Module Inputs, Bus
^ Vehicle speed (km/h, mph) from MIU (540)
^ Identification number from MIU (540)
^ SID buttons (Night Panel) from SID (541)
^ Outdoor temperature (degree C) from SID (541)
^ Ignition +B (on/off) from DICE (628)
^ Ignition +15 (on/off) from DICE (628)
^ Ignition +54 (on/off) from DICE (628)
^ Ignition +50 (on/off) from DICE (628)
^ RL wheel speed from TC/ABS (382)
^ Seat belt, driver (connected/not connected) from SRS (331)
^ Seat belt, passenger (connected/not connected) from SRS (331)
^ Engine has started (on/off) from Trionic 7 (430)
^ Diagnostic communication
For a more detailed description of the control module input information from the bus, see Bus Messages.
For a further description of diagnostics, see Bus and diagnostics communication.