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 MANUALSSAAB20049-5 LINEAR (9600) L4-2.3L TURBO (2.3T)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGRELAYS AND MODULES - HVACCONTROL MODULE HVACDESCRIPTION AND OPERATIONCONTROL MODULE OUTPUTS, BUS
2004 Saab 9-5 Linear (9600) L4-2.3L Turbo (2.3t)
Control Module Outputs, Bus
2004 Saab 9-5 Linear (9600) L4-2.3L Turbo (2.3t)SECTION Control Module Outputs, Bus
Control Module Outputs, Bus
Control Module Outputs, Bus:
- Text message (used by SID, 541).
- Sound (used by SID, 541).
- A/C (used by EDC16/DICE, 628).
- Electric rear window (used by DICE, 628).
- Diagnostic communication (DICE, 628/diagnostic tool).
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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.