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 MANUALSAUDI2012A3 (8PA) L4-2.0L TURBO (CCTA)REPAIR AND DIAGNOSISDIAGRAMSCONNECTOR VIEWSRADIO, STEREO, AND COMPACT DISCSYSTEM DIAGRAMRADIO SYSTEMDIGITAL SOUND SYSTEM CONTROL MODULE CONNECTOR AND CONNECTOR ASSIGNMENTS
2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)
Digital Sound System Control Module Connector and Connector Assignments
2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)SECTION Digital Sound System Control Module Connector and Connector Assignments
Digital Sound System Control Module Connector and Connector Assignments
• Unlisted connector terminals are not used.
Black 32-Pin Connector
1 Terminal 30
2 Terminal 31
3 Bass speaker (R100) (PIN 4)
4 Loudspeaker, left rear (-)
5 Loudspeaker, right rear (+)
6 Positive switched from Radio (R)/Operating Electronics, Navigation Control Module (J402)/Radio/Navigation Display Control Module (J503)
7 Signal ground from Radio/Operating Electronics, Navigation Control Module/Radio/Navigation Display Control Module
11 Bass speaker (R100) (PIN 3)
12 Bass speaker (PIN 1)
13 Center Mid/High Range Speaker (R158) (-)
14 Center Mid/High Range Speaker (+)
15 Bass speaker (PIN 2)
16 Loudspeaker, left rear (+)
17 Loudspeaker, right rear (-)
19 Left front signal from Radio/Operating Electronics, Navigation Control Module/Radio/Navigation Display Control Module
20 Right front signal from Radio/Operating Electronics, Navigation Control Module/Radio/Navigation Display Control Module
21 Left rear signal from Radio/Operating Electronics, Navigation Control Module/Radio/Navigation Display Control Module
22 Right rear signal from the radio/operating electronics/navigation system control module
24 Positive switched from the radio/operating electronics/navigation system control module (through MY 04)
26 Loudspeaker, right front (-)
27 Loudspeaker, right front (+)
29 Microphone input (+) from interior microphone (R74)
30 Microphone input (-) from interior microphone
31 Loudspeaker, left front (+)
32 Loudspeaker, left front (-)
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.