Operation CHARM: Car repair manuals for everyone.

Changing Passenger Presence System, CV



Changing Passenger Presence System, CV

WARNING:
^ All cars are equipped with an airbag system that has side airbags as a component. The side airbag is fitted under the backrest upholstery on each front seat.
^ Work in accordance with the Safety and handling regulations.


To remove
1. Remove Seat upholstery/cushion front seat, CV.
2. Carefully remove the silicone blister from the seat frame, use 82 93 474 Removal tool.





3. Lift up the blister, cut off the cable ties holding the sensor and detach the connector.





4. Cut off the cable ties securing the wiring harness and PPS control module to the spring mat.





5. Detach the belt force sensor connector.
6. Unhook the wiring harness from the spring mat.





7. Remove the spring mat.





To fit

WARNING: All parts included in the spare parts kit are calibrated to one another. All of the parts must therefore be installed on the seat in order for the PPS system to be correctly calibrated.

1. Check the following:
1.A. The control module reference number must match the ECU number on the foam cushion label.





1.B. The pressure sensor's PAD no. must match the foam cushion label.





2. Fit the spring mat.





3. Place the wiring harness on the spring mat.





4. Attach the belt force sensor connector.





5. Fit cable ties to secure the wiring harness and PPS control module to the spring mat.

WARNING: Check that the hose is not pinched. The hose must lie under the spring mat. A pinched hose can cause the airbag function to be unintentionally deactivated and can consequently be the cause of serious injuries.

6. Fit the connector. Fit cable ties to secure the sensor.





7. Put in place the silicone blister and fit the clip.





8. Fit Seat upholstery/cushion front seat, CV.
9. Read and clear any diagnostic trouble codes with the diagnostic tool.
10. Calibrate as follows:
^ Sit in the seat and press down the cushion.

11. Carry out Measures after disconnecting the battery.