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 DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONDETAILED DESCRIPTIONCONTROL MODULE INPUTS
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)
Control Module Inputs
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)SECTION Control Module Inputs
Control Module Inputs
- Power supply +30
- Power supply +15
- Power ground
- Mass air flow sensor (205)
- Manifold absolute pressure sensor (431)
- Charge air absolute pressure sensor (603)
- Intake air temperature sensor (407)
- Tank differential pressure sensor (585)
- Coolant temperature sensor (202)
- Speed, wire from ABS (547)
- Maximum permissible torque, wire from ABS (547)
- Pedal position sensor
- Switch, cruise control
- Pedal switches
- Throttle position sensor
- Oxygen sensor 1 (592Fa)
- Oxygen sensor 2 (592Ra)
- Ignition discharge module (346)
RENDER: 1.0x
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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.