Impact Sensor: Service and Repair

Crash Sensors

--> [ Front Door Crash Sensors ]

--> [ Rear Wheelhousing Crash Sensors, Sedan ]

--> [ Rear Wheelhousing Crash Sensors, Wagon ]

Front Door Crash Sensors

• Removal and installation is described for the right-hand side of the vehicle. Removal and installation for the left-hand side is performed in the same manner.

Removing

CAUTION!
Observe safety precautions for working on airbags.

All vehicles

- Disconnect vehicle battery.

- Remove outer door plate.

- Separate wiring harness - 1 - from crash sensor - 3 -.

Vehicles with bolted crash sensors

- Remove the two bolts - 2 - (2.5 Nm) and the crash sensor - 3 -.





Vehicles with riveted crash sensors

- Drill out pop rivet - 1 -.

- Drill out pop rivet - 2 -.

- Disconnect the connector - 4 - from the crash sensor - 3 -.





Installing

Vehicles with bolted crash sensors

To install, perform the steps used for removal in reverse order.

Vehicles with riveted crash sensors

- Re-connect the connector - 4 - to the crash sensor.

- Attach the crash sensor to the subframe using a blind rivet - 2 -; use pop rivet pliers (VAS 5072).

- Attach the crash sensor to the subframe using a blind rivet - 1 - as described.





All vehicles

- Switch on ignition.

CAUTION!
Make sure that no persons are in the vehicle.

- Connect vehicle battery..

Rear Wheelhousing Crash Sensors, Sedan

• Removal and installation is described for the right-hand side of the vehicle. Removal and installation for the left-hand side is performed in the same manner.

Removing

CAUTION!
Observe safety precautions for working on airbags.

- Disconnect vehicle battery.

- Remove seat bench. Refer to --> [ Seat Bench, Sedan ] Rear Seats.

- Remove side upholstery:

• with rear side airbags, refer to --> [ Side Upholstery with Side Airbag ] Rear Seats.

• without rear side airbags, refer to --> [ Side Upholstery without Side Airbag ] Rear Seats.

- Remove wheelhousing trim. Refer to --> [ Wheel Housing Trim, Sedan ] Service and Repair.

- Press connector lock - 1 - toward rear - arrow - and disconnect connector - 2 - from crash sensor - 4 -.

- Remove the two bolts - 3 - (9 Nm) and the crash sensor - 4 -.





Installing

To install, perform the steps used for removal in reverse order.

- Switch on ignition.

CAUTION!
Make sure that no persons are in the vehicle.

- Connect vehicle battery..

Rear Wheelhousing Crash Sensors, Wagon

• Removal and installation is described for the left-hand side of the vehicle. Removal and installation for the right-hand side is performed in the same manner.

Removing

CAUTION!
Observe safety precautions for working on airbags.

- Disconnect vehicle battery.

- Fold the bench seat and backrest forward.

- Remove side upholstery:

• with rear side airbags, refer to --> [ Side Upholstery with Side Airbag ] Rear Seats.

• without rear side airbags, refer to --> [ Side Upholstery without Side Airbag ] Rear Seats.

- Remove wheelhousing trim. Refer to --> [ Wheel Housing Trim, Wagon ] Service and Repair.

- Remove the wiring harness retaining tab - 1 - from the threaded pins - 4 - in the - direction of arrow -.

- Remove connector - 3 - from crash sensor - 2 -.

- Remove the two bolts - 5 - (9 Nm) and the crash sensor - 2 -.





Installing

To install, perform the steps used for removal in reverse order.

- Switch on ignition.

CAUTION!
Make sure that no persons are in the vehicle.

- Connect vehicle battery..