Acceleration/Deceleration Sensor: Service and Repair
WM 456155 Replacing combination sensor
Tools
Technical values
Preliminary work
Information
The combination sensor is located under the centre console.
The functions listed below are integrated into the combination sensor:
- Rate-of-turn sensor
- Lateral acceleration sensor
- Axial acceleration sensor
Overview of combination sensor
Combination sensor under the centre console (cup holder)
1. Disconnect battery. -> 90 Work instructions after disconnecting the battery
2. Remove centre console cover and cup holder. -> 681919 Removing and installing cover for centre console 681919 Removing and installing cover for centre console
3. Remove triggering unit for airbag -> 695319 Removing and installing triggering unit for airbag 695319 Removing and Installing Triggering Unit For Airbag
General warning notes
Warning notes
WARNING
Combination sensor not calibrated or calibrated incorrectly
- Unexpected vehicle handling
- Combination sensor does not function
- Malfunction in combination sensor
-> Calibrate the vehicle after installing or replacing the combination sensor using PIWIS Tester II 9818.
-> Only perform calibration when the vehicle is positioned horizontally and the brake is not actuated.
Replacing combination sensor
Separate the cross bar of the carpet -arrow -. Underneath is the combination sensor.
Separating carpet at combination sensor
First push on the combination sensor connector firmly (makes removal easier.). -arrow-. Lift connector lock and then remove connector.
Pulling off plug of combination sensor
Replace combination sensor. => Tightening torque: 8 Nm (6 ftlb.)+/-1 Nm (+/-0.5 ftlb.)
Subsequent work
1. Install triggering unit for airbag. -> 695319 Removing and installing triggering unit for airbag 695319 Removing and Installing Triggering Unit For Airbag
2. Install centre console cover. -> 681919 Removing and installing cover for centre console 681919 Removing and installing cover for centre console
3. Connect the battery. -> 90 Work instructions after disconnecting the battery
Information
Calibrate the vehicle after installing or replacing the combination sensor. -> 453019 Removing and installing hydraulic unit - section on "Removing and installing" Service and Repair
- Calibration must only be performed with the vehicle ]] standing horizontally with the brakes off [[.
4. Calibrate combination sensor. To do this connect the Piwis tester: Select ]] Vehicle Cayenne ]] System PSM ]] Actual values menu ]] Security code [[ (at end of list). Note the security code. Quit ]] Actual values menu [[.
5. Select ]] Calibration menu [[. Enter security code. Calibrate ]] Lateral acceleration sensor [[ and ]] Axial acceleration sensor [[ in sequence using the menu.