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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSVOLKSWAGEN2012JETTA TDI, 4D WAGON, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 63 (COMMUNICATION (SEDAN))91 COMMUNICATIONDESCRIPTION AND OPERATIONCONNECTION FOR EXTERNAL MULTIMEDIA DEVICES CONNECTOR ASSIGNMENTSCONNECTOR ASSIGNMENTS, MULTIMEDIA SYSTEM CONTROL MODULE -J650-, UMI
2012 Volkswagen Jetta TDI, 4D Wagon, Standard Trans
CONNECTOR ASSIGNMENTS, Multimedia System Control Module -J650-, UMI
2012 Volkswagen Jetta TDI, 4D Wagon, Standard TransSECTION CONNECTOR ASSIGNMENTS, Multimedia System Control Module -J650-, UMI
WARNING: This page is about a different variant/trim than selected.
A - 54-Pin Connector
- Terminal 30
- Terminal 31
- Switch on signal
- Tel-LF (+) left to Radio -R-
- Tel-LF (-) left to Radio -R-
- LF (+) from Control Module for Emergency Call Module And Communication Unit -J949-
- LF (-) from Control Module for Emergency Call Module And Communication Unit -J949-
- Tel-LF (+) right to Radio -R-
- Tel-LF (-) right to Radio -R-
- Not Assigned
- Telephone Microphone -R38- (+) from RNS
- Telephone Microphone -R38- (-) from RNS
- Not Assigned
- Not Assigned
- Not Assigned
- Not Assigned
- CAN Bus High
- Can Bus Low
- Not Assigned
- Not Assigned
- Not Assigned
- LF (+) right to Radio -R-, MDI
- LF (+) left to Radio -R-, MDI
- LF ground to the Radio -R-, MDI
- Not Assigned
- Not Assigned
- Not Assigned
- Not Assigned
- Not Assigned
- Cellular Telephone Preparation Control Head -E508-
- Cellular Telephone Preparation Control Head -E508-
- Not Assigned
- External Audio Source Connection -R199- left audio signal, AUX IN
- External Audio Source Connection -R199- right audio signal, AUX IN
- Audio ground from External Audio Source Connection -R199-, AUX IN
- Audio ground shielding from External Audio Source Connection -R199-, AUX IN
- Not Assigned
- Terminal 30 to Telephone Baseplate -R126-
- Not Assigned
- DIAG signal from Telephone Baseplate -R126-
- Not Assigned
- Not Assigned
- Not Assigned
- Not Assigned
- Not Assigned
- Not Assigned
- Wake UP to Telephone Baseplate -R126-
- DIAG signal from Telephone Baseplate -R126-
49 through 54 - not used
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.