Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
41 00... Procedure For Vehicles With Active Pedestrian Protection After An Accident
The AFGS system consists of the following components:
- Satellites (control unit + sensor)
- Sensors, inside, bumper panel, left/center/right
- ACSM control unit (Crash Safety Module)
- Cables and connectors
- Engine compartment lid hinges
- Actuator
- Engine compartment lid hinge
In case of a frontal crash or side collision in the area of the bonnet and/or the A-pillars, check the following components:
Satellites (control unit + sensor)
- Procedure
- Read fault memory.
- Disconnect battery and observe waiting period.
- Rectify fault.
- Reconnect battery and observe waiting period.
- Clear diagnostic fault entries from fault memory.
- Switch off ignition and wait at least 2 minutes (no consumers, such as such as e.g. interior light, radio, etc., may be switched on during this period).
- Switch the ignition on.
- Read fault memory and rectify faults if necessary.
Cables and connectors
- Procedure
- Check cables and connectors for damage, replace if necessary.
Procedure with activation of active pedestrian protection:
Engine compartment lid hinges
- Replace ACTUATORS .
- Check BOTH HINGES FOR ENGINE COMPARTMENT LID . Replace damaged hinges.
If necessary, repair hinges with REPAIR KIT .
If no repair kit is available, the hinge must be replaced.
| Model | Repair kit available |
|---|---|
| F15, F16 | No |
| F20, F21, F22, F23, F32, F33, F34, F36, F80, F82, F83 | Yes |
| F55, F56 | No |
| F45, F46 | No |
Procedure without activation of active pedestrian protection:
Engine compartment lid hinges
- Check BOTH HINGES OF THE ENGINE COMPARTMENT LID and replace if necessary
- If the hinge is damaged, the ACTUATOR must also be replaced.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.