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 => [ Backrest Cover and Upholstery ] Bucket Seat Covers and Upholstery
4 Four-way lumbar support adjustment air cushion
• Secured to hard foam block - 3 - using plastic plug
• To remove, remove backrest cushion => [ Backrest Cover and Upholstery ] Bucket Seat Covers and Upholstery
• 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 => [ Backrest Cover and Upholstery ] Bucket Seat Covers and Upholstery
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 => [ Backrest Cover and Upholstery ] Bucket Seat Covers 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 => [ Backrest Cover and Upholstery ] Bucket Seat Covers and Upholstery
9 Lumbar support pump
• Driver's Lumbar Support Pump (V152)
• Front Passenger's Lumbar Support Pump (V153)
• To remove, remove backrest cushion => [ Backrest Cover and Upholstery ] Bucket Seat Covers and Upholstery
• Secured using rubber strap - 11 - and plastic plugs - 10 -
10 Plastic plug
• Pry off using pry lever (80-200)
11 Rubber strap