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
REPLACING ALL SPARK PLUGS (N54, N63, N74)
Necessary preliminary tasks
Switch off ignition.
Remove IGNITION COILS.
IMPORTANT: Wear safety goggles.
Oil and dirt particles may get into your eyes!
Clean spark plug slot with compressed air.
Unscrew spark plugs with special tool 12 1 220 and extensi
WARNING: Danger of injury!
Support engine compartment lid in fully opened position with suitable
apparatus.
IMPORTANT: These instructions only apply to vehicles without active
pedestrian protection !
Removal of the engine compartment lid must be carried out with the assistance
of a second person.
U