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 MANUALSVOLKSWAGEN2012JETTA TDI, 4D SEDAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 197 (COMMUNICATION (HATCHBACK))91 COMMUNICATIONDESCRIPTION AND OPERATIONEXTERNAL AUDIO SOURCE CONNECTION CONNECTORSMULTIMEDIA SYSTEM CONTROL MODULE -J650- CONNECTOR ASSIGNMENTS
2012 Volkswagen Jetta TDI, 4D Sedan, Standard Trans
Multimedia System Control Module -J650- CONNECTOR ASSIGNMENTS
2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION Multimedia System Control Module -J650- CONNECTOR ASSIGNMENTS
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
- Terminal 31
- Can Bus Low
- Not Assigned
- Right Audio Signal to the Radio/RNS
- Left Audio Signal from External Audio Source Connection -R199-
- Right Audio Signal from the External Audio Source Connection -R199-
- Terminal 30
- CAN Bus High
- Left Audio Signal to the Radio/RNS
- Audio Ground to the radio/RNS
- Audio Ground from the External Audio Source Connection -R199-
- Audio Ground Shielding, Terminal 31
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.