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.
2012 Audi A7FACTORY OEM SERVICE PROCEDURE
Vehicle Positioning System Interface Control Module -J843-, Connector Views
- 12-Pin Connector -T12o-
| T120 (A) | Designation |
|---|---|
| 1 | |
| 2 | |
| 3 | Terminal 30, from Fuse Panel F SF |
| 4 | |
| 5 | |
| 6 | Terminal 31, to 386 Ground Connection 21 (in main wiring harness) 51 Ground Connection (in right luggage compaitment) |
| 7 | Comfort System CAN-Bus High Wiring junction for convenience CAN bus. High TV34 |
| 8 | Comfort System CAN-Bus Low Wiring junction for convenience CAN bus. Low TV38 |
| 9 | Comfort System Central Control Module J393 |
| 10 | Engine Control Module (ECM) J623 |
| 11 | |
| 12 |
Factory Service Tools
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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.
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