Front Seat
Front Seat
Special tools, testers and auxiliary items required
• Airbag Adapter (VAS 6235)
or
Special tools, testers and auxiliary items required
• Airbag Adapter (VAS 6280)
• The removal and installation procedure describes a driver seat. The procedure for the front passenger seat is identical.
Removing
Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components General Safety Precautions ] .
- Press seat height adjuster and move seat as far up as possible.
- Pry out spindle covers - 1 -, - 4 - and - 6 - with a screwdriver. Refer to => [ Seat Rail Covers ] Seat Rail Covers.
- Operate seat fore and aft adjustment and guide seat as far forward as possible.
- Using a screwdriver - 2 -, pry out assembly cover - 1 -.
- Remove outer seat belt anchorage point. Refer to => [ Belt Anchor ] Belt Anchor.
- Remove rear bolts - 2 - (quantity: 2).
- Operate seat fore and aft adjustment and guide seat as far back as possible.
- Bring left seat into service position. Refer to => [ Driver Seat, Bringing Into Service Position ] Driver Seat, Bringing Into Service Position.
Ensure front screws - 2 - (quantity: 2) can be removed before disconnecting battery ground wire.
Ensure seat remains in service position and does not tip forward unintentionally.
- Switch the ignition on.
- Disconnect the battery ground cable with the ignition switched on.
- Create photos or sketches of wire securing and routing.
Before handling airbag units (for example, when disconnecting the harness connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.
- Disconnect connectors. Refer to => [ Disconnecting and Connecting Harness Connectors ] Disconnecting and Connecting Harness Connectors.
- Connect (VAS 6235) or (VAS 6280). Refer to => [ Connecting Airbag Adapter ] Connecting Airbag Adapter.
- Tip seat - 3 - with console - 5 - back into the normal position.
- Remove front screws - 2 - (quantity: 2).
- With help from a second technician, lift the front seat out of vehicle.
Installing
Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components General Safety Precautions ] .
Install in reverse order of removal. Note the following:
- Clean nut threads before installing new screws.
- Insert new screws.
- Following screw installation sequence.
- Position screws - 2 - in sequence - A -, - B -, - C - and - D - and tighten to the specification in same sequence shown in => [ Driver Seat Overview ] Driver Seat Overview.
Before handling airbag units (for example, when disconnecting the harness connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.
- Remove the (VAS 6235) or (VAS 6280) only after installing the front seat. Refer to => [ Connecting Airbag Adapter ] Connecting Airbag Adapter.
- Connect connector to connector station. Refer to => [ Disconnecting and Connecting Harness Connectors ] Disconnecting and Connecting Harness Connectors.
- Ensure airbag connector (yellow) engages correctly.
• Make sure the connectors are installed all the way in and are secure.
• Make sure the wires do not get caught.
- Route and secure wiring according to photos or sketches that were made.
- Clip wiring cable guide into connector station on seat.
Ignition must be on when connecting battery. If pyrotechnic components (for example, airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. Maintain personal safety when connecting the battery by staying out of airbag deployment areas, keeping a distance from belt tensioners/seat belts and ensuring no other people are in the vehicle interior at the moment when the battery is connected.
- Switch on ignition.
- Connect the battery ground cable with the ignition turned on.
- If the airbag indicator lamp (K75) indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle diagnostic tester.