Removing and installing digital sound package control unit J525 (MMI) — AUDI

🧭 Before you start

Fits: Audi A5 Cabriolet (8F)

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• Do NOT disconnect the hydraulic lines. — Swivel hydraulic pump into luggage compartment.

📋 Procedure

1. Switch off ignition and all electrical equipment and remove ignition key.
2. Remove luggage compartment side trim (left-side) General body repairs, interior70Luggage compartment trim panels; Removing and installing luggage compartment side trim.
3. Release retainer at hydraulic pump and any electrical connectors that are in the way General body repairs, exterior61Convertible roof; Removing and installing hydraulic unit (hydraulic pump).
4. ⚠ Do NOT disconnect the hydraulic lines. — Swivel hydraulic pump into luggage compartment.
5. Unscrew nuts (1), (2), (3) and (4) on infotainment rack (6).

6. Pivot rack (6) into luggage compartment.
7. Unplug connector to MOST bus (4) on digital sound package control unit J525(1).
8. Fit protective cap for cable connectorVAS 6223/9(1) onto MOST bus connector (2).
9. Release and unplug connectors (3) at digital sound package control unit J525(1).
10. Remove bolts (arrows) on rack (2) and remove digital sound package control unit J525(1) from luggage compartment.
11. Install in reverse sequence of removal.

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