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 MANUALSSAAB20009-3 CONVERTIBLE (9400) L4-2.0L TURBO (B205)REPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSTESTING AND INSPECTIONWINDSCREEN WIPERS, FAULTYINTERMITTENT WIPER OPERATION INTERVAL CONTROL DOES NOT WORKBEFORE CHANGING A CONTROL MODULE
2000 Saab 9-3 Convertible (9400) L4-2.0L Turbo (B205)
Before Changing A Control Module
2000 Saab 9-3 Convertible (9400) L4-2.0L Turbo (B205)SECTION Before Changing A Control Module
Experience shows that most control modules returned for repair while under warranty are not faulty. In such cases, changing the control module does not rectify the fault. Go through the following steps before changing a control module.
1 Check all grounding points and the supply of power to the control module.
2 Check with a diagnostic tool that all test values are reasonable. (A single function can be affected by several test values).
3 Check with a diagnostic tool that all functions are operating. (A fault in one output circuit can affect another output circuit).
4 If the fault persists, the control module must be changed.
5 It is important to ground your own body, by touching the engine for example, before handling a control module. Never touch the control module pins.
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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.