Antenna Control Module: Service and Repair

WM 918619 Removing and installing control unit for antenna amplifier

Preliminary work

Remove top cover of rear spoiler. -> 665819 Removing and installing rear spoiler - section on "removing" 665819 Removing and installing rear spoiler (Aerokit)

Removing control unit for antenna amplifier

CAUTION

Risk of damage to antenna amplifier control unit

-> Remove ignition key and switch off audio system.

Information

- The control unit for the antenna amplifier is installed in the rear spoiler.

- The right antenna amplifier also takes on the control unit function.





Overview of antenna control unit

1. Remove the adhesive tape -Arrow A- , then unlock the antenna plugs -Arrows B- and pull them off -Arrow C-.





Removing Antenna plugs

2. Pull off the plugs for the antenna leads -a- and the power supply -b- -Arrows D-.
3. Unscrew fastening screw -Arrow 1- and fastening nut -Arrow 2- , then remove the ground strap -Arrow A-.





Releasing antenna amplifier control unit

4. Undo the fastening screw -Arrow 3- and remove the antenna amplifier -Arrow B-.

Installing control unit for antenna amplifier

1. Position antenna amplifier in installation position -Arrow A- and secure with the fastening screw -Arrow 3-.





Securing antenna amplifier control unit

2. Position ground strap in installation position -Arrow B- and screw on the fastening nut -Arrow 2- , but do not tighten.
3. Secure ground lead and ground strap with fastening screw -Arrow 1- , then tighten fastening nut -Arrow 2-.
4. Push antenna leads onto the antenna amplifier -Arrow A- until the locking tabs -Arrows B- are felt to engage.





Connecting antenna plugs

5. Push on the plugs for the antenna leads -a- and the power supply -b- -Arrows C-.
6. Secure leads with adhesive tape -Arrow D-.

Subsequent work

Install top cover of rear spoiler. -> 665819 Removing and installing rear spoiler - section on "installing" 665819 Removing and installing rear spoiler (Aerokit)