Removing and installing digital sound package control unit J525, Dynaudio or Fender sound system — VW

🧭 Before you start

Fits: VW Golf VII Variant (BA)

Don't miss

• When installing observe that the digital sound package control unit J525 is seated correctly in the retainer seam.When installing the cover, ensure that it is properly fitted on the front edge of the retainer.

📋 Procedure

1. Move front seat to rearmost and highest position using longitudinal adjustment mechanism.
2. Switch off ignition and all electrical consumers.
3. Remove ignition key, if fitted.
4. Pull out expansion rivets (2).
5. Push cover (1) straight in direction of travel and remove it.

6. Release and unplug connector (3) on digital sound package control unit J525(1).
7. Attach protective cap for cable-set connector VAS 6223/9(1) by plugging it on the connector of MOST bus (2).
8. Release and unplug connector (4) on digital sound package control unit J525(1).
9. Undo and remove bolts (2).
10. Swing digital sound package control unit J525(1) out of retainer.
11. Fold back floor covering and floor insulation from middle tunnel and floor panel.
12. Unscrew bolt (1) from middle tunnel and nuts (2) from retainer.
13. Remove retainer from digital sound package control unit J525(3). [Note: When installing observe that the digital sound package control unit J525 is seated correctly in the retainer seam. When installing the cover, ensure that it is properly fitted on the front edge of the retainer.]

Other VW procedures

• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures
• Checking heat output (and activation of temperature flaps) on vehicles fitted with a high-voltage system and an automatically controlled air conditioning system
• Removing and installing radiator, variant 3 radiator – VW
• Removing and installing rear section of reduction agent supply line
• Removing and installing front three-point seat belt, with belt end anchor tensioner · 1 torque figures
• Removing and installing J245sliding sunroof adjustment control unit · 1 torque figures