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.
2003 Saab 9-3 Vector, AutomaticFACTORY OEM SERVICE PROCEDURE
Table connector A
TRANSMIT SIGNALS
| Pin, connector A (control module) | Component/ Function | In/Out | Test conditions | Test between | Test reading |
|---|---|---|---|---|---|
| 8 | Manual up and down shifting | in | Ignition ON. | 8- ground | 0.9V |
| 8 | Manual up and down shifting | in | Ignition ON. Shift up | 8- ground | 1.4V |
| 8 | Manual up and down shifting | in | Ignition ON. Shift down | 8- ground | 2.7V |
| 22 | Battery voltage +15 | In | Ignition ON | 22- ground | 12V |
| 23 | Ground | In | 23-B+ | 12V | |
| 24 | No connection | ||||
| 25 | Bus+ | In/Out | |||
| 26 | Bus | in/out | |||
| 31 | Battery voltage +15 | In | Ignition ON | 31- ground | 12V |
| 32 | Ground | In | 32-B+ | 12V | |
| 33 | Battery voltage +30 | In | 33- ground | 12V | |
| 35 | Bus +lead 2 | In/Out | |||
| 36 | Bus-lead 2 | In/Out |
*A vehicle speed reading can be obtained with the diagnostics instrument, command menu "Read functions" and "Output speed".
Factory Service Tools
Use the Manual With the Right Hardware
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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.