9-3 SE Sedan (9400) L4-2.0L Turbo (B204) HO (1999)
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Sensor reference ground.
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5V supply to sensor.See: Description and Operation
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Oxygen sensor 1 preheating.See: Oxygen Sensor
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Ignition discharge module.
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Injectors.See: Fuel Delivery and Air Induction/Fuel Injector
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Boost pressure control valve.See: Fuel Delivery and Air Induction/Turbocharger
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Idle air control valve.
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EVAP canister purge valve.See: Emission Control Systems/Evaporative Emissions System/Canister Purge Control Valve
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Main relay.
