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 the backrest at the bottom side with double-sided adhesive tape

• Removing and installing, refer to => [ Backrest Cover and Upholstery ] Backrest Cover and Upholstery

4 Four-Way Lumbar Support Adjustment Air Cushion

• Secured to hard foam block - 3 - using plastic plug

• To remove, remove backrest cushion, refer to => [ Backrest Cover and Upholstery ] Backrest Cover and Upholstery

• Pry off plastic plug using (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, refer to => [ Backrest Cover and Upholstery ] Backrest Cover and Upholstery

6 Y-connector

• 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, refer to => [ Backrest Cover and Upholstery ] Backrest Cover and Upholstery

8 Backrest Inflation Adjustment Valve Block

• Driver's Lumbar Support Valve Block (V378)

• Front Passenger Seat/Backrest Inflation Adjustment Valve Block (V379)

• To remove, remove backrest cushion, refer to => [ Backrest Cover and Upholstery ] Backrest Cover and Upholstery

9 Lumbar Support Pump

• Driver's Lumbar Support Pump (V152)

• Front Passenger's Lumbar Support Pump (V153)

• To remove, remove backrest cushion, refer to => [ Backrest Cover and Upholstery ] Backrest Cover and Upholstery

• Secured using rubber strap - 11 - and plastic plugs - 10 -

10 Plastic Plug

• Pry off using (80-200)

11 Rubber Strap