Module Carrier

Module Carrier

Removing

• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components, Safety Precautions and Testing Procedures ] Description and Operation.

• Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

- Remove the multi-contour seat. Refer to => [ Multi-contour Seat ] Multi-Contour Seat.

- Remove backrest cushion together with backrest cover. Refer to => [ Multi-contour Seat Backrest Cover with Backrest Cushion ] Multi-Contour Seat Backrest Cover With Backrest Cushion.

- Free up the wiring harness from the lower seat frame.

- Remove the bolts - A arrows -.






- Unclip and remove the module carrier for the lumbar support - 1 - from the lower seat frame - 2 - - arrows B -.

If only the module carrier is simply replaced, it is sufficient to install the air cushion for the lumbar support with valve blocks and control module for multi-contour seat with the pneumatic lines:






- Remove the control module - C - for the seat adjustment. Refer to => [ Driver Side Rear Seat Adjustment Control Module J876/Passenger Side Rear Seat Adjustment Control Module J877 ] Driver Side Rear Seat Adjustment Control Module J876/Passenger Side Rear Seat Adjustment Control Module J877.

- Unclip and free up the pneumatic lines and the wires from the module carrier for the lumbar support.

- Remove the valve block - D - with the air cushion for the lumbar support. Refer to=> [ Air Cushion for Lumbar Support ] Air Cushion For Lumbar Support, => [ Valve Block 1 in Driver Side Rear Seat N479/Valve Block 1 in Passenger Side Rear Seat N481 ] Valve Block 1 In Driver Side Rear Seat N479/Valve Block 1 In Passenger Side Rear Seat N481.

- Remove the valve block - A, E - for the massage mat. Refer to => [ Massage Mat Valve Block N480/N525/N482/N526 ] Massage Mat Valve Block N480/N525/N482/N526.

- Remove the compressor - B - for the multi-contour seat. Refer to => [ Left and Right Rear Multi-contour Seat Compressor V441/V442/Driver and Passenger Side Rear Multi-contour Seat Control Module J875/J874 ] Left and Right Rear Multi-Contour Seat Compressor V441/V442/Driver and Passenger Side Rear Multi-Contour Seat Control Module.

Installation

- Route the pneumatic lines and wires as illustrated in the picture.

- Connect the pneumatic lines and give them a push again and then a final tug to see whether the coupling is locked in correctly.

• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components, Safety Precautions and Testing Procedures ] Description and Operation.

• Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

• Observe all measures when installing the multi-contour seat. Refer to => [ Multi-contour Seat ] Multi-Contour Seat.

Further installation is performed in the reverse order of removal.

Information for installation: for example tightening specifications, replacing body parts, refer to => [ Module Carrier with Air Cushions for Lumbar Support Assembly Overview ] Module Carrier With Air Cushions For Lumbar Support Assembly Overview.