Removal and installation of the acoustic system control unit
Switch off all electrical consumers and remove the ignition key. Move the left front seat all the way back and to its highest position. Remove spacer clips -2- and remove cover -1- towards front.
Remove screws -4- (1.5 Nm). Tilt control unit -1- slightly and remove from bracket. Unlock clip by folding it out and unplug connector -3-. Disconnect the "MOST-Bus" data bus" -2-.
Protect the MOST bus socket -2- with cover -1- or in another suitable way (for example, wrap in polyethylene and wrap with tape).
Installation
Installation in reverse order. When replacing, code the new control unit using the Tester. If the MOST bus is damaged, replace it together with the terminals.
Removing and installing front and rear midrange speakers
Switch off the ignition and all electrical consumers. Remove the door trim from which the speaker is removed. Disconnect the connector on the speaker. Remove spacer clips -arrows- and remove loudspeaker.
Installation in reverse order.
Removing and installing the subwoofer
Remove left luggage compartment side trim. Loosen the fixing screws - see pic.- (3 Nm) and remove the subwoofer. Disconnect connector.
Installation in reverse order.
Removing and installing connectors for external audio-video sources MEDIA-IN (MDI)
Remove the infotainment display module. Remove the heater/air conditioner control panel. Unlock catches -arrows A- one after the other, lower bracket -1- -arrow B- and pull connected wires towards you.
MEDIA IN jack (Mttsumi)
Insert a small screwdriver at an angle from below into the center of the connector, compress, release and disconnect the connectors -3- one by one. Release connector -2- from retainers -arrows- and pull out.
USB and AUX connectors
Unlock from above and remove plug from USB socket -3-. Insert a small screwdriver at an angle from below into the center of the connector. Squeezing, unlock and disconnect the connector from the AUX socket, pos. -4-. Unlock latches -arrows- and remove USB socket -2- and socket for external audio sources -5-.
Installation in reverse order.