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:
Removing And Installing/Replacing DSC Yaw Sensor
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
IMPORTANT: Do not kink floor panelling under any circumstances!
Necessary preliminary tasks:
Remove right front seat.
Lift floor panelling and fold back to one side
Remove floor inlay (2).
Unfas
Antilock Braking System
ABS
The Antilock Braking System (ABS) prevents
locking of the wheels during braking.
The vehicle maintains its steerability even during
emergency braking, which increases the active
driving safety.
ABS is operational every time you start the engine.
Brake assistant
The Brake Assistant effects maximum
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