Communications Control Module: Service and Repair

WM 919019 Removing and installing control unit for telephone

Preliminary work

Preliminary work for telephone control unit

1. Switch off ignition and remove ignition key.
2. Remove PCM display and operator control unit. => 911019 Removing and installing PCM 3.0 display and operator control unit - section on "Removing"

Removing control unit for telephone

The telephone control unit is installed in the PCM.
1. Carefully open the cover on the PCM using a screwdriver.





Opening cover

2. Unscrew the two fastening screws -1- for the control unit and remove the control unit.





Unscrewing fastening screws

Installing control unit for telephone

1. Fit the control unit and screw in the two fastening screws -1-.





Screwing in fastening screws

2. Press the cover closed until it engages securely.

Subsequent work

Subsequent work for telephone control unit

1. Install PCM 3.0 display and operator control unit. => 911019 Removing and installing PCM 3.0 display and operator control unit - section on "Installing"