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
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Data protection
Data transmission
Principle
The vehicle offers different services, whose use
requires a data transfer to BMW or a service provider.
The data transmission can be deactivated
for some services.
General information
When the data transmission is deactivated, the
respective service cannot be used.
Only
Displays in the instrument
cluster - Active Cruise Control with
Stop&Go function ACC
Displays in the instrument
cluster
General information
Depending on the equipment version, the displays
in the instrument cluster may vary.
Display in the speedometer
Depending on the equipment, a mark in the
speedometer displays the status of the system.
Green marking: system is
active,
the ma
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