Entertainment System Control Module: Service and Repair

Radio/Navigation Display Control Module, RNS Low Navigation

Special tools, testers and auxiliary items required

• Radio Removal Tool (T10057)

- If control module is replaced, select "Replacement" function for appropriate control module in "Guided Fault-Finding" routine.

Use the Vehicle Diagnosis, Testing and Information System (VAS 5051) to do so.

- Turn off all electrical consumers.

- Remove ignition key.

Removing

- Place Radio Removal Tool (T10057) - arrows - in release slits on Radio/Navigation Display Control Module (J503) until they engage. Points on grip eyes face outward.





- Remove Radio/Navigation Display Unit Control Module (J503) from instrument panel using grip eyes on Radio Removal Tool (T10057).

- Release connectors on Radio/Navigation Display Control Module (J503) and remove it.

- Remove Radio Removal Tool (T10057) by pressing locking tabs on Radio/Navigation Display Control Module (J503).

Installing

- Connect all harness connectors.

- Carefully slide Radio/Navigation Display Control Module (J503) into instrument panel and allow it to engage in installation frame.