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.
Connection K12
2010 Saab 9-3X AutomaticSECTION Connection K12
CONNECTOR K12 PIN REFERENCE
| Pin | Component/function | In/Out | Test conditions | Across | Test reading |
|---|---|---|---|---|---|
| 1 | Voltage/sensor | Out | Ignition ON | 1 - 2 | B+ |
| 2 | Ground/sensor | Out | Ignition ON | B+ - 2 | B+ |
| 2 - B- | <0.5 V | ||||
| 3 | Right outer sensor, communication | In/Out | Ignition ON | 1 - 3 | 8V |
| 3 - 2 | 95-105 kΩ | ||||
| 4 | Centre right sensor, communication | In/Out | Ignition ON | 1 - 4 | 8V |
| 4 - 2 | 95-105 kΩ | ||||
| 5 | Centre left sensor, communication | In/Out | Ignition ON | 1 - 5 | 8V |
| 5 - 2 | 95-105 kΩ | ||||
| 6 | Left outer sensor, communication | In/Out | Ignition ON | 1 - 6 | 8V |
| 6 - 2 | 95-105 kΩ | ||||
| 7 | Battery voltage +30 | In | Ignition ON | 7 - 8 | B+ |
| B+ - 8 | B+ | ||||
| 8 | Ground | In | Ignition ON | 8 - B- | <0.5 V |
| 9-12 | No connection |
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.