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 MANUALSSAAB20029-3 SE, 2D CONVERTIBLE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSTEST READINGS, CONTROL MODULE CONNECTIONSELECTRONIC CONTROL MODULEPOWER CIRCUIT
2002 Saab 9-3 SE, 2D Convertible, Automatic
Power Circuit
2002 Saab 9-3 SE, 2D Convertible, AutomaticSECTION Power Circuit
- Turn ignition off. Check for battery voltage between specified ECM terminal and ground. See POWER TERMINAL IDENTIFICATION . If battery voltage exists, go to next step. If battery voltage does not exist, repair open circuit between ECM and specified fuse located in instrument panel fuse block, located at left end of instrument panel.
- Turn ignition on. Check for battery voltage between specified ECM terminal and ground. If battery voltage does not exist, repair open circuit between ECM and specified fuse located in instrument panel fuse block, located at left end of instrument panel.
POWER TERMINAL IDENTIFICATION
| Model | Fuse No. | Terminal (Wire Color) | |
|---|---|---|---|
| 9-3 | |||
| Ignition Off | 28 | No. 23 (Pink/White Wire) | |
| Ignition On | 17 | No. 43 (Yellow/Grey Wire) | |
| 9-5 | |||
| Ignition Off | 17 | No. 23 (Red Wire) | |
| Ignition On | 27 | No. 43 (Red/Blue Wire) | |
RENDER: 1.0x
NO RELATED
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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.