BMW 7 Series: Steering Wheel For Airbag
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Check and/or replace following components after airbag triggering:
Satellites (control unit + sensor)
Components
Satellite, A-/B-pillar, left/right
Satellite, front door
Satellite, rear seat
WARNING: Observe the following instructions to avoid any risk of injury
by the
airbag unit.
Comply with SAFETY REGULATIONS for handling components with
gas generators.
Do not exert any force on t
It is essential to comply with the regulations as specified in the law
relating to the use of explosives when
working on airbag units and seat belt tensioners.
Airbags, seat belt tensioners etc. are
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Necessary preliminary work:
Remove AIRBAG UNIT
Release screws (1) on left/right on back of steering wheel (2).
Fig. 226: Identifying Steering Wheel Back With Screw
NOTE: Both multifunction steering wheel switches (1) are connected to each
other by
the wiring harness (2).
Feed wiring harness (2
Instrument Cluster Test Functions
The test functions are shown in the TFT display of the instrument cluster.
To Start Function Test
Terminal R ON or terminal 15 ON.
Press and hold the reset button in the instrument cluster for 10 seconds
(set/reset).
or
by holding down the setting button in