2891866 - 5505A18 multi-function control unit - r r

Removing ( Refitting )  - 7040L20  tunnel trim - r r1. Unscrew the nuts.2. Disconnect the electrical connections (2a (2b).

NameConnector
2aIntegrated services control unit  M40A 

NameConnector
2bIntegrated services control unit  M40A 
3. Remove the integrated services control unit.
Refitting ( Removing ) Check that the control unit is undamaged.Connect the electrical connections to the control unit.Place the control unit in position and secure it using the nuts. - 7040L20  tunnel trim - r rCheck that systems controlled by the control unit are working properly.