65 12 315 Removing and installing (replacing) HU-H)
IMPORTANT:
Risk of damage!
There is a hard disk installed in the headunit.
Carry out mechanical work on the headunit and adjacent components with care.
Avoid subjecting the headunit to vibration/shocks.
IMPORTANT:
Read and comply with NOTES
on protection against electrostatic damage (ESD protection).
NOTE:
Comply with notes and notes on HANDLING OPTICAL FIBRES
.
Necessary preliminary tasks:
- Remove RADIO AND IHKA CONTROLS
- Disconnect battery earth lead . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY EARTH LEAD or 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD
Removal:
Release screws (1).
Pull the HU-H (2) out forward.
Unlock and disconnect all connectors (1) in marked area.
Remove HU-H (2).
Installation:
Position HU-H (2).
Connect and lock all the connectors (1) in the marked area.
Slide the HU-H (2) toward the back into the instrument panel (3).
Tighten down screws (1).
NOTE:
Make sure the HU-H (2) is correctly seated on the retaining lugs at the marked points.
Required reworking:
- Install the RADIO AND IHKA CONTROLS
- Connect battery earth lead . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY EARTH LEAD or 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD
Only for US models with satellite radio:
When replacing the headunit, additional work is required!
- Refer to document REPLACING SATELLITE TUNER, AS OF 09/2009 .
Replacement:
Carry out VEHICLE PROGRAMMING/ENCODING .
Load service history:
- 05 Maintenance and Pre-Delivery Check
- Service history