Passive Occupant Detection System Components, Power Seats, Removing
Passive Occupant Detection System Components, Power Seats, Removing
CAUTION!
Observe safety precautions when working on seat occupied recognition => [ Passive Occupant Detection System, Safety Precautions ] Service Precautions.
• Seat cushion, mat for seat occupied recognition, control module and pressure sensor must only be replaced together. Components are complementary and must not be separated!
• Only disconnect wiring harnesses mentioned in the following description!
- Mount the fixture for seat repair (VAS 6136) on the engine and transmission holder (VAS 6095).
- Perform the following seat adjustment:
• Seat height: highest position
• Seat tilt: highest position
- Remove belt anchor. Refer to => [ Belt Anchor ] Belt Anchor
- Remove seat rail covers. Refer to => [ Seat Rail Covers ] Seat Rail Covers
- Remove 12-way seat. Refer to => [ 12-way Seat ] 12-way Seat
- Attach the seat to the fixture for seat repair (VAS 6136).
- Remove 12-way seat backrest hinge trim. Refer to => [ 12-way Seat Backrest Hinge Trim ] 12-way Seat Backrest Hinge Trim
- Remove 12-way seat trim. Refer to => [ 12-way Seat Trim ] 12-way Seat Trim.
- Remove side hooks - 1 - and - 2 - outward and remove Memory Seat/Steering Column Adjustment Control Module (J136) - 3 - from mounts.
- Separate all connectors from the control module.
- Remove screws - 2 - (1.5 Nm) and - 3 - (1.5 Nm) and unclip control module bracket - 1 - from seat frame.
- Remove front seat backrest (12-way seat). Refer to => [ 12-way Seat Backrest ] 12-way Seat Backrest.
- Remove cable ties - 2 - and - 4 -.
- Loosen seat occupied recognition connector - 3 - from seat pan.
- Remove cable bracket - 1 -.
- Disconnect seat heating connector - 5 -.
- Remove cover from upholstery of front seat cushion (front seat cushion is not removed). Refer to => [ 12-way Front Seat Cushion Cover and Upholstery ] 12-way Front Seat Cushion Cover and Upholstery.
CAUTION!
Connector - 3 - may not be removed from Seat Occupied Recognition Control Module (J706) - 2 -.
- Disconnect the connector - 4 -.
- Remove two bolts - 1 - (1.5 Nm).
- Unclip Seat Occupied Recognition Pressure Sensor (G452) - 2 - from bracket without disconnecting connector - 1 - on it.
- Unclip pressure hose - 3 - from bracket - 4 -.
- Lift upholstery of front seat cushion - 2 -, when doing this do not separate upholstery of front seat cushion from mat for seat occupied recognition - 4 -.
- Remove clips - 1 -, - 3 - and - 5 - from seat frame, clip - 6 - must not be removed.
CAUTION!
Do not separate the seat padding - 2 -, passenger occupant detection mat - 4 -, pressure hose - 8 -, seat occupied recognition pressure sensor (G452) - 9 - and the seat occupied recognition control module (J706) - 11 -.
- Remove upholstery of front seat cushion - 2 - together with mat for seat occupied recognition - 4 -.
- Thread pressure hose - 8 -, Seat Occupied Recognition Pressure Sensor (G452) - 9 -, Seat Occupied Recognition Control Module (J706) - 11 - and seat wiring harness - 10 - through opening - arrow - in seat frame - 7 -.
