Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSAAB20039-3 CONVERTIBLE (9400) L4-2.0L TURBO (2.0 HOT)REPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSALARM MODULEDESCRIPTION AND OPERATIONDETAILED DESCRIPTIONCONTROL MODULE INPUTS, BUS (TRIONIC T7)
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)
Control Module Inputs, Bus (Trionic T7)
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)SECTION Control Module Inputs, Bus (Trionic T7)
Control Module Inputs, Bus (Trionic T7)
- 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)
- Vehicle speed (km/h, mph) from MIU (540)
- Identification number from MIU (540)
- SID buttons (Night Panel) from SID (541)
- Outside temperature (degree C) from SID (541)
- Soft top position (up/in motion/down) from STC (565)
- Diagnostics communication
For a more detailed description of the control module's input information from the bus, see Bus communication
For a further description of diagnostics, see Bus and diagnostics communication
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.