Pneumatically Controlled Systems

• Description & Operation
  • Central Locking
  • Retractable Rear Headrest
  • Remote Trunk Release
  • Orthopedic Seat
• Component Locations
• Trouble Shooting
  • Pneumatic System Equipment (PSE)
  • Central Locking
    • Test Preparation
    • Locking Vehicle Using Remote Transmitter Inoperative
    • Selective Unlocking Using Remote Transmitter Inoperative
    • Global Unlocking Using Remote Transmitter Inoperative
    • Locking Vehicle Using Central Locking Switch Inoperative
    • Unlocking Vehicle Using Central Locking Switch Inoperative
    • Unlocking Vehicle By Opening Front Door Inoperative
    • Unlocking Vehicle At Left Front Door Or Trunk Lid Inoperative
    • Locking Vehicle At Left Front Door Or Trunk Lid Inoperative
    • Automatic Delayed Locking Inoperative
    • Automatic Locking Inoperative
  • Orthopedic Seat Back
    • Notes
    • Upper & Lower Seat Back Cushion Inoperative
    • Side Bolster Inoperative
    • Seat Cushion Inoperative
  • Retractable Rear Headrest
  • Remote Trunk Release
    • Notes
    • Remote Trunk Release Inoperative Using Remote Trunk Release Switch
    • Remote Trunk Release Inoperative Using Remote Transmitter
  • Retractable Trunk Lid Grip
    • Trunk Lid Grip Extension Inoperative
    • Trunk Lid Grip Retraction Inoperative
• Self-Diagnostic System
• System Tests
  • Pneumatic System Equipment (PSE)
    • Notes
    • Test Preparation
    • Test 1: PSE Control Module Voltage Supply (Circuit 30)
    • Test 2: PSE Control Module Voltage Supply (Circuit 15)
    • Test 3: Front Door Switch Circuit (CL500, S320, S420, S500 & SL500)
    • Test 4: Driver's Door Switch Circuit (SLK230)
    • Test 5: Passenger's Door Switch Circuit (SLK230)
    • Test 6: Rear Door Switch Circuit (CL500, S320, S420, S500)
    • Test 7: Trunk lid Switch Circuit
    • Test 8: Retractable Hard Top Closed Limit Switch Circuit
    • Test 9: CAN L Data Line Open (SLK230)
    • Test 10: CAN H Data Line Open (SLK230)
    • Test 11: CAN L Data Line Short To Voltage (SLK230)
    • Test 12: CAN H Data Line Short To Voltage (SLK230)
    • Test 13: CAN L Data Line Short To Ground (SLK230)
    • Test 14: CAN H Data Line Short To Ground (SLK230)
    • Test 15: CAN L & CAN H Data Lines Short Together (SLK230)
  • Central Locking
    • Notes
    • Test 1: Interior Central Locking Switch (SLK230)
    • Test 2: Interior Central Locking Switch (CL500, S320, S420, S500)
    • Test 3: Interior Central Locking Switch (SL500)
    • Test 4: Interior Central Locking Switch (SL500)
    • Test 5: Front Door Lock Switch Activation (SL500)
    • Test 6: Trunk Lid Lock Switch Activation (SL500)
    • Test 7: Front Door Switch Circuit
    • Test 8: Driver's Door Switch Circuit
    • Test 9: Passenger's Door Switch Circuit
    • Test 10: Left Rear Door Switch Circuit (S320, S420 & S500 Sedan)
    • Test 11: Right Rear Door Switch Circuit (S320, S420 & S500 Sedan)
    • Test 12: Vehicle Speed Activation Signal
  • Retractable Rear Headrest
    • Notes
    • Test 1: Retractable Rear Headrest Unlocking Circuit
  • Remote Trunk Release
    • Notes
    • Test 1: Remote Trunk Release Switch Test
    • Test 2: Remote Trunk Release Switch Illumination
  • Retractable Trunk Lid Grip
    • Notes
    • Test Preparation
    • Test 1: Trunk Lid Rotary Tumbler Switch
• Vacuum System Tests
  • Pneumatic System Equipment
    • Notes
    • Test 1: Central Locking System Vacuum Supply (Driver's Door)
    • Test 2: Central Locking System Pressure Supply (Driver's Door)
    • Test 3: Central Locking System Vacuum Supply (Passenger's Door, Rear Doors & Trunk Lid Lock)
    • Test 4: Central Locking System Pressure Supply (Passenger's Door, Rear Doors & Trunk Lid Lock)
    • Test 5: Central Locking System Vacuum Supply (Trunk Lid Lock)
    • Test 6: Central Locking System Pressure Supply (Trunk Lid Lock)
    • Test 7: Central Locking System Vacuum Supply (Fuel Door)
    • Test 8: Central Locking System Pressure Supply (Fuel Door)
    • Test 9: Orthopedic Seat Pressure Supply
    • Test 10: Rear Headrest Vacuum Supply
    • Test 11: Manifold Assist Vacuum Supply
    • Test 12: Remote Trunk Release Pressure Supply
    • Test 13: Retractable Trunk Lid Grip Vacuum Supply
    • Test 14: Retractable Trunk Lid Grip Pressure Supply
    • Test 15: Central Locking System Safety Switch Time
    • Test 16: Safety Switch Time
  • Central Locking
    • Notes
    • Test 1: Central Locking System Pressure Check
    • Test 2: Central Locking System Vacuum Check
    • Test 3: Individual Component Pressure Tests
    • Test 4: Individual Component Vacuum Tests
  • Orthopedic Seat
    • Notes
    • Test 1: Lower Center Back Rest Insert Test
    • Test 2: Upper Center Back Rest Insert Test
    • Test 3: Side Back Rest Insert Test
    • Test 4: Seat Cushion Insert Test
    • Test 5: Line & Reservoir Test
    • Test 6: Line & Control Valve Test
    • Test 7: Seat Insert Test
  • Retractable Rear Headrest
    • Notes
    • Test 1: Retractable Rear Headrest System Vacuum Test
  • Remote Trunk Release
    • Notes
    • Test 1: Remote Trunk Release System Pressure Test
  • Manifold Vacuum Assist
    • Notes
    • Test 1: Gasoline Engine Models
    • Test 1: Diesel Engine Models
  • Retractable Trunk Lid Grip
    • Notes
    • Test 1: Retractable Trunk Lid Grip System Pressure Check
    • Test 2: Retractable Trunk Lid Grip System Vacuum Check
• Removal & Installation
• Vacuum Hose Diagram(S)
• Wiring Diagrams