Audi Q7: Driver Side Rear Thorax Airbag Crash Sensor -G256-/ Passenger Side Rear Thorax Airbag Crash Sensor -G257-, Removing and Installing
Removing
WARNING
- Follow all safety precautions when working on pyrotechnic components. Refer to → Chapter "Safety Precautions for Pyrotechnic Components".
- Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by briefly touching the door striker pin, for example.
- Disconnect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
- Remove the rear sill trim. Refer to → Chapter "Rear Sill Panel, Removing and Installing".
- Remove the bolt -1- and the thorax airbag crash sensor -2- from the body.
WARNING
Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by briefly touching the door striker pin, for example.
- Disconnect the connector -3-.
- To do this pull out the connector lock -2-, push down -arrow-, and disconnect the connector -1- on the crash sensor.
Installing
WARNING
- Follow all safety precautions when working on pyrotechnic components. Refer to → Chapter "Safety Precautions for Pyrotechnic Components".
- Before handling pyrotechnic components (for example, connecting the connector), the person handling it must "discharge static electricity". This can be done by briefly touching the door striker pin, for example.
- Connect the connector -1- to the crash sensor until it clicks into place -arrow-.
- Push in the connector lock -2- to secure the connector.
Installation is performed in reverse order of removal, while noting the following:
Note- Make sure the connectors are pushed in all the way and that they engage audibly.
- Make sure the wires are not pinched.
WARNING
Repairing pyrotechnic components (for example the airbag and seat belt tensioner) incorrectly increases the risk of unintentional deployments when the battery is connected.
- The ignition must be on when connecting the battery.
- For personal safety when connecting the battery, stay out of the deployment area of the airbag and maintain a distance from the seat belt tensioners/seat belts.
- Make sure that there are no other people inside the vehicle at the time when the battery is connected.
- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
Note
If the Airbag Indicator Lamp -K75- indicates a fault, check the Diagnostic Trouble Code (DTC) memory, erase it and check it again using the Vehicle Diagnostic Tester.
Installation notes, for example tightening specifications, replacing components. Refer to → Chapter "Component Location Overview - Airbag Crash Sensors".
Center Crash Sensor for X/Y Axis -G858-, Removing and Installing
Removing
WARNING
- Follow all safety precautions when working on pyrotechnic components. Refer to → Chapter "Safety Precautions for Pyrotechnic Components".
- Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by briefly touching the door striker pin, for example.
- Move the front seats into the most forward position and position the backrest all the way toward the front.
- Disconnect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
- Remove the center console support. Refer to → Chapter "Center Console Support, Removing and Installing".
- Lift up the rear heater and A/C unit as much as possible without using force and support it.
WARNING
Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by briefly touching the door striker pin, for example.
- Disconnect the connector -3- by pressing the connector lock down.
- Remove the bolt -1- by pushing the air duct slightly to the side.
- Remove the side airbag crash sensor -2- from the body.
Installing
WARNING
- Follow all safety precautions when working on pyrotechnic components. Refer to → Chapter "Safety Precautions for Pyrotechnic Components".
- Before handling pyrotechnic components (for example, connecting the connector), the person handling it must "discharge static electricity". This can be done by briefly touching the door striker pin, for example.
- Connect the connector to the crash sensor until it clicks into place.
Installation is performed in reverse order of removal, while noting the following:
Note
- Make sure the connectors are pushed in all the way and that they engage audibly.
- Make sure the wires are not pinched.
WARNING
Repairing pyrotechnic components (for example the airbag and seat belt tensioner) incorrectly increases the risk of unintentional deployments when the battery is connected.
- The ignition must be on when connecting the battery.
- For personal safety when connecting the battery, stay out of the deployment area of the airbag and maintain a distance from the seat belt tensioners/seat belts.
- Make sure that there are no other people inside the vehicle at the time when the battery is connected.
- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
Note
If the Airbag Indicator Lamp -K75- indicates a fault, check the Diagnostic Trouble Code (DTC) memory, erase it and check it again using the Vehicle Diagnostic Tester.
Installation notes, for example tightening specifications, replacing components. Refer to → Chapter "Component Location Overview - Airbag Crash Sensors".
