Pneumatic Block, Component Assignment

Pneumatic Block, Component Assignment

Special tools, testers and auxiliary items required







- Pry lever 80 - 200







1 - Electrical connection
- For Driver's Lumbar Support Pump V152
- For Front Passenger's Lumbar Support Pump V153

2 - Electrical connection
- For Driver's Lumbar Support Pressure Switch F224
- For Front Passenger's Lumbar Support Pressure Switch F225

3 - Hard foam block
- For pneumatic components
- Secured to backrest at underside using double adhesive tape
- Removing and installing

4 - Four-way lumbar support adjustment air cushion
- Secured to hard foam block - 3 - using plastic plug
- To remove, remove backrest cushion
- Pry off plastic plug using pry lever 80-200

5 - Pressure switch for lumbar support adjustment
- Driver's Lumbar Support Pressure Switch F224
- Front Passenger's Lumbar Support Pressure Switch F225
- To remove, remove backrest cushion

6 - Y-piece
- For pneumatic hoses to valve blocks

7 - Lumbar support valve block
- Driver's Lumbar Support Valve Block N209
- Front Passenger's Lumbar Support Valve Block N210
- To remove, remove backrest cushion

8 - Backrest inflation adjustment valve block
- Driver's Lumbar Support Valve Block V378
- Front Passengers Seat/Backrest Inflation Adjustment Valve Block V379
- To remove, remove backrest cushion

9 - Lumbar support pump
- Driver's Lumbar Support Pump V152
- Front Passenger's Lumbar Support Pump V153
- To remove, remove backrest cushion
- Secured using rubber strap - 11 - and plastic plugs - 10 -

10 - Plastic plug
- Pry off using pry lever 80-200

11 - Rubber strap