Control module inputs, bus

WARNING: This page is about a different car, the 2007 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Control Module Communication Diagram

Engine speed information from ECM. See Tachometer
Coolant temperature information from ECM. See Coolant temperature
Fuel Consumed Since Start from ECM. See Fuel gauge
Turbo boost gauge from Trionic. See Turbo boost gauge
CHECK ENGINE indicator lamp from ECM. See CHECK ENGINE indicator lamp
CRUISE indicator lamp from ECM. See Cruise indicator lamp
Indication Shift-up on the information display, from Trionic. See SHIFT-UP indicator lamp, information display
CHECK GEARBOX indicator lamp from TCM (502. See) CHECK GEARBOX indicator lamp
Indication SPORT on the information display, from TCM (502). See SPORT indicator, information display
Selector lever indicator from TCM (502). See Warning And Indicator Lamps
ABS warning lamp from ESP (671). See Warning And Indicator Lamps
ESP OFF indicator lamp from ESP (671). See Warning And Indicator Lamps
Indication ESP on the information display, from ESP (671). See Warning And Indicator Lamps
AIRBAG warning lamp from SRS (331). See Warning And Indicator Lamps
Rheostat level from the SID control module (541). See Instrument And Display Lighting
Rheostat Night Panel from the SID control module (541). See Instrument And Display Lighting
NIGHT PANEL from the SID control module (541). See Night Panel
Display lighting value from the SID control module (541). See Instrument And Display Lighting
Cabin light intensity value from the SID control module (541). See Instrument And Display Lighting
Steering wheel location from TWICE (632)
Indication "Door open" on the information display, from TWICE (632). See Warning And Indicator Lamps
LH direction indicator lamp from DICE (628).See Warning And Indicator Lamps
RH direction indicator lamp from DICE (628). See Warning And Indicator Lamps
Rear fog light indicator lamp from DICE (628). See Warning And Indicator Lamps
Glow indicator lamp from ECM (diesel). See Warning And Indicator Lamps