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 MANUALSAUDI2012A7REPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSELECTRICAL COMPONENTS LOCATIONS & CONNECTOR END VIEWSCOMP. LOC. VEHICLE REAR MODULESDIGITAL SOUND SYSTEM CONTROL MODULE J525, BANG & OLUFSEN (8RF), FROM MY 2015DIGITAL SOUND SYSTEM CONTROL MODULE -J525-, CONNECTOR VIEWS
2012 Audi A7
Digital Sound System Control Module -J525-, Connector Views
2012 Audi A7SECTION Digital Sound System Control Module -J525-, Connector Views
- 38-Pin Connector -T38-/32-Pin Connector -T32e-
| T32e (C) | Designation |
|---|---|
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | Left Front Midrange Speaker R103 |
| 6 | Right Front Midrange Speaker R104 |
| 7 | Left Rear Treble Speaker R14 |
| 8 | Right Rear Treble Speaker R16 |
| 9 | Left effects speaker R209 |
| 10 | Center speaker R208 |
| 11 | |
| 12 | |
| 13 | Ringbreak Diagnosis Wire B444 OBD connection 1 (in main wiring harness) |
| 14 | Engine Control Module (ECM) J623 Subframe Mount Control Module J931 |
| 15 | |
| 16 | Terminal 31, to 397 Ground Connection 32 (in main wiring harness) |
| 17 | Left Front Midrange Speaker R103 |
| 18 | Right Front Midrange Speaker R104 |
| 19 | Left Rear Treble Speaker R14 |
| 20 | Right Rear Treble Speaker R16 |
| 21 | Left effects speaker R209 |
| 22 | Center speaker R208 |
| 23 | Right effects speaker R210 |
| 24 | |
| 25 | Center speaker 2 R219 |
| 26 | Left Front Treble Speaker R20 |
| 27 | Right Front Treble Speaker R22 |
| 28 | Right effects speaker R210 |
| 29 | |
| 30 | Center speaker 2 R219 |
| 31 | Left Front Treble Speaker R20 |
| 32 | Right Front Treble Speaker R22 |
| T38 (A) | Designation | ||
|---|---|---|---|
| 1 | Terminal 30, from Fuse 1 (30) S204 in Fuse panel F SF | ||
| 2 | Terminal 31, to 50 Ground Connection (in left luggage compartment) | ||
| 3 | Subwoofer R211 | ||
| 4 | Left Front Bass Speaker R21 | ||
| 5 | Right Front Bass Speaker R23 | ||
| 6 | Left Rear Bass Speaker R15 | ||
| 7 | Right Rear Bass Speaker R17 | ||
| 8 | Left Front Treble Speaker Motor V344 | ||
| 9 | Left Front Treble Speaker Motor V344 | ||
| 10 | Left Front Treble Speaker Motor V344 | ||
| 11 | |||
| 12 | |||
| 13 | |||
| 14 | |||
| 15 | Subwoofer R211 | ||
| 16 | Left Front Bass Speaker R21 | ||
| 17 | Right Front Bass Speaker R23 | ||
| 18 | Left Rear Bass Speaker R15 | ||
| 19 | Right Rear Bass Speaker R17 | ||
| 20 | Right Front Treble Speaker Motor V345 | ||
| 21 | Right Front Treble Speaker Motor V345 | ||
| 22 | Right Front Treble Speaker Motor V345 | ||
| 23 | inside Microphone R74 | ||
| 24 | Noise reduction microphone 1 R285(1) | ||
| 25 | Noise reduction microphone 2 R286(1) | ||
| 26 | Noise reduction microphone 3 R287(1) | ||
| 27 | Noise reduction microphone 4 R288(1) | ||
| 28 | |||
| 29 | |||
| 30 | |||
| 31 | Inside Microphone R74 | ||
| 32 | Noise reduction microphone 1 R285 | ||
| 33 | Noise reduction microphone 2 R286 | ||
| 34 | Noise reduction microphone 3 R287 | ||
| 35 | Noise reduction microphone 4 R288 | ||
| 36 | |||
| 37 | |||
| 38 | |||
|
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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.