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 DIAGNOSISINSTRUMENT PANEL, GAUGES AND WARNING INDICATORSDESCRIPTION AND OPERATIONDETAILED DESCRIPTIONCONTROL MODULE INPUTS, BUS
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)
Control Module Inputs, Bus
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)SECTION Control Module Inputs, Bus
Control Module Inputs, Bus
Cars with petrol engines
- Info Disp Lamp from SID (541)
- Rheostat value from SID (541)
- Rheostat Night Panel from SID (541)
- Night Panel from SID (541)
- Display lighting from SID (541)
- Brightness in cabin from SID (541)
- Driver's door from TWICE (632)
- Passenger door from TWICE (632)
- Rear left door from TWICE (632)
- Rear right door from TWICE (632)
- Boot lid/tailgate from TWICE (632)
- Steering wheel location from TWICE (632).
- Left direction indicator from DICE (628)
- Right direction indicator from DICE (628)
- Rear fog light form DICE (628)
- Check Engine lamp from ECM
- Shift Up lamp from ECM
- TURBO gauge from ECM (petrol)
- CRUISE lamp from ECM
- Fuel consumed since start from ECM
- Engine speed from ECM
- Coolant temperature from ECM
- Wheel speed from TC/ABS (382)
- Selector lever position from TCM (502b)
- Check Gearbox lamp from TCM (502b)
- SPORT from TCM (502b)
- WINTER lamp from TCM (502b)
- ABS warning lamp from TC/ABS (382)
- TCS OFF indicator lamp from TC/ABS (382)
- TCS indicator lamp from TC/ABS (382)
- Glow indicator lamp from ECM (diesel)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.