Audio System - Media-In (MDI) System Overview
2019 Volkswagen Jetta GLI(1K2) L4-2.0L Turbo (CCTA) Volkswagen JETTA Page 21
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August 10, 2012
2022802 Supersedes T.B. V911118 dated July 22, 2011 to update cable warranty coverage.
Vehicle Information
Condition
Media-In (MDI) Overview
Technical Background
To provide an overview of:
^ MDI Software
^ MDI Cable Diagnosis
^ Wiring Pin-out Charts
^ iPod charging
^ MDI Replacement
^ MDI Cable Part Numbers
^ iPod Compatibility List (See attachment)
Production Solution
Not applicable
Service
2019 Volkswagen Jetta GLI(1K2) L4-2.0L Turbo (CCTA) Volkswagen JETTA Page 22
MDI Software
For sporadic concerns and other functionality problems see instance 2024337 Factory Installed Media-In (MDI), Updated Programming for Various
iPod Concerns. This updates the MDI to software 0240.
MDI Cable Diagnosis
The following concerns can be checked by manipulating the cable or by substituting a known good cable:
^ Sporadic or complete loss of left and/or right audio channel
^ iPod battery charging is intermittent
^ Device not recognized
Tip:
The new iPod tagging cable only recognizes iPod Nano gen 5+ and newer iPod/iPhones. For more information see instance 2026784 Multimedia
Interface (MDI), iPod Tagging Overview.
If functionality returns after cable manipulation, then replace cable.
Tip:
Older iPods may not connect securely due to connector design changes. To verify MDI cable integrity test the connection with a newer compatible
iPod or iPhone device.
Media-In (MDI) Pin-out Charts
Description of pin-out charts from Media-In to Radio and Media-In to Auxiliary (Aux) Jack (if applicable)
iPod Charging
^ MDI supports both 5 volt & 12 volt charging
MDI Replacement
Always inspect the MDI cable and verify cable connectivity prior to replacing MDI module. The following should be checked before MDI
replacement:
2019 Volkswagen Jetta GLI(1K2) L4-2.0L Turbo (CCTA) Volkswagen JETTA Page 23
^ MDI Cable
^ Customers device
^ Comparison of a known good vehicle
^ List of iPod software concerns
^ Wiring
Media-In (MDI) Cable Part Numbers
Examples of damage due to outside influences:
2019 Volkswagen Jetta GLI(1K2) L4-2.0L Turbo (CCTA) Volkswagen JETTA Page 24
Warranty
Information only.
Required Parts and Tools
No Special Parts required.
No Special Tools required.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.
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