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 DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONCHECKING THE CONTROL MODULE GROUNDING
2000 Saab 9-3 Convertible (9400) L4-2.0L Turbo (B205)
Checking the Control Module Grounding
2000 Saab 9-3 Convertible (9400) L4-2.0L Turbo (B205)SECTION Checking the Control Module Grounding
Checking The Control Module Grounding:
Fault symptoms
Cruise control faulty.
Condition
The following condition applies to the fault symptom described:
- No diagnostic trouble codes in the car having the symptom described.
Diagnostic help
The cruise control switch and the clutch and brake pedals are used when diagnosing fault. On cars with automatic transmission the cruise control switch, the brake pedal and the selector lever are used.
Fault diagnosis is carried out in diagnostics mode (see points 1-3 in Cruise Control/Testing and Inspection/Procedures/Fault Diagnosis, Fault Symptoms/Diagnostics). Start fault diagnosis at point 4 and work your way through the entire fault diagnosis procedure step by step up to point 17.
Checking the wiring harness
Jiggle the wiring harness at several points to reveal any intermittent open or short circuits. Observe the multimeter, diagnostics tool or test lamp during the test.
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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.