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 MANUALSSAAB20059-3 LINEAR (9440) L4-2.0L TURBO (2.0T)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUS
2005 Saab 9-3 Linear (9440) L4-2.0L Turbo (2.0t)
Information Bus
2005 Saab 9-3 Linear (9440) L4-2.0L Turbo (2.0t)SECTION Information Bus
Service Precautions
Description and Operation
Testing and Inspection
Locations- Component Locations
- I-Bus
- O-Bus
- P-Bus
- Related Components
- Airbag Control Module (331)
- Amplifier, Front Speaker (354F)
- Automatic Climate Control (216)
- Automatic Headlamp Levelling, AHL (664)
- Body Control Module (707)
- CD Changer, Rear (355R)
- Control Module Seat (357K)
- Control Module, Driver's Door (702D)
- Control Module, Passenger Door (702P)
- Control Module, Rear Left Door (702RL)
- Control Module, Rear Right Door (702RR)
- Control Module, STC (565)
- Control Module, Sunroof (182)
- Control Module, TCM (502)
- Control Module, Window Lift, Rear, LH (575RL)
- Control Module, Window Lift, Rear, RH (575RR)
- Data Link Connector 16 Pin, Carb (445)
- DVD Unit (729)
- Electrically Adjustable Driver's Seat With Memory Control Module (357DK)
- Entertainment Head Unit (353)
- ESP Control Module (671)
- Front CD Player/Changer (355F)
- Gear Selector Control Module (726)
- Infotainment Control Panel (736)
- Main Instrument Display Panel (540)
- Rear Speaker Amplifier (354R)
- SPA Control Module (630)
- TCS Control Module (382)
- Telematics Unit (468)
- Trionic Engine Control Module, Switch A (589a)
- Trionic Engine Control Module, Switch B (589b)
- Unit, Steering Wheel Assembly (703)
- Yaw Sensor (658)
- Connector Locations
- Ground Locations
- Splice Locations
- Component Locations
Diagrams
RENDER: 1.0x
NO RELATED
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.