BMW X5: Control Unit Box
REPLACING FAN FOR ELECTRONICS BOX
NOTE: Follow instructions for removing and installing electronic control units.
- Remove control unit.
- Read fault memory. Switch off ignition.
Unclip plug (1).
Remove DDE control unit (3).
Remove relay plug-in (5) towards top.
Release screws (4).
Lift out device carrier (2).
Unfasten plug connection and disconnect.
Release air cowl (1).
Remove electric fan (2) with bracket.
Add final details to vehicle.
Read fault memory.
Additional Fault Notes For Troubleshooting
Necessary preliminary tasks:
- Connect diagnosis system
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Fig. 79: Identifying DIS
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Contents Of Engine Electrical System General
General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
SEE MORE:
Replacing Lumbar Cushion On Front Left Or Right Seat
Special tools required:
52 0 050.
Necessary preliminary tasks:
Remove rear panel on front seat backrest.
Fig. 43: Identifying Backrest Cover
Detach backrest cover (1) at bottom from backrest frame.
Remove valve housing.
Disconnect air hoses (2) from valve housing.
NOTE: Heat air hoses gently
Notes On Panorama Glass Roof (Initialization/Normalization/Learning Of
Characteristic Curve)
NOTE: Initialization comprises:
Normalization
Learning characteristic curve
The mechanical end positions are recorded and stored during normalization.
The characteristic curve is learned immediately after normalization.
When the characteristic curve is learned, the mechanical closing forces of
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