AFGS Active Pedestrian Protection Procedure After Accident: Notes

The AFGS system consists of the following components: 

• Satellites (control unit + sensor)
  • Sensors, bumper panel inside
  • ACSM control unit (Crash Safety Module)
• Cables and connectors
• Engine compartment lid hinges
  • Actuator
  • Engine compartment lid hinge
• Gas pressure spring

• Engine compartment lid catch (only E89)
  • Catch, engine compartment lid
  • Catch, upper section (striker)

In case of a frontal or side collision in the area of the engine compartment lid and/or the A-pillars, check the following components: 

Satellites (control unit + sensor) 

• Procedure
  • Read fault memory
  • Disconnect battery and observe waiting period
  • Rectify faults
  • Reconnect battery and observe waiting period
  • Delete fault memory
  • Turn off ignition and wait at least 2 minutes (no consumers may be switched on during this period such as e.g. interior lights, radio, etc.)
  • Switch on the ignition
  • Clear fault memory and if necessary rectify faults

Cables and connectors 

• Procedure
  • Check cables and connectors for damage, replace if necessary.

Gas pressure spring 

• Procedure
  • Check gas pressure spring for damage and replace if necessary.