Fig. 101: Overview Of Aerial Diversity
Aerial amplifier
Blocking circuit
AM choke (US vehicles only)
Back - up aerial
Interference suppression filter
OVERVIEW OF SENSORS FOR AIRBAG SYSTEM AND
IMPORTANT: Read and comply with NOTES on protection against electrostatic
damage (ESD
protection)!
WARNING: NOTE AIRBAG SAFETY INSTRUCTIONS!
Incorrect handling can activate airbag and cause injury.
N
WARNING: Observe SAFETY INSTRUCTIONS for handling gas generators.
Incorrect handling can activate pedestrian protection and cause injury.
Necessary preliminary work
Disconnect BATTERY CABLE
Remove
Removing and installing the ICM control unit
The ICM control unit performs tasks that are important for many vehicle
functions, e. g. provision of sensor
signals. If the vehicle were operated without the ICM control unit installed, a
large number of vehicle functions
would not be available. In the
IMPORTANT: Before beginning work, fully press the brake pedal several
times to reduce the
vacuum pressure in the brake booster. This makes it easier to remove the
vacuum hose.
Vacuum hose and non-return valve are welded together and are replaced
together as a single unit.
Necessary preliminary tas