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ELECTRONIC AIR SUSPENSION SYSTEMS PowerPoint Presentation

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On : Jan 08, 2015

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  • Slide 1 - ELECTRONIC AIR SUSPENSION SYSTEMS
  • Slide 2 - COMPONENTS AIR SPRINGS AND VALVES COMPRESSOR SENSORS CONTROL MODULE
  • Slide 3 - AIR SPRING Replaces coil Spring Can be inflated or deflated to trim car Can be controlled individually or all together C155 and C178
  • Slide 4 - LATE MODEL AIR SPRING C178
  • Slide 5 - AIR SPRING VALVE Normally closed Intake or Exhaust Mounted like a radiator cap. lock tabs Controlled by Module C156
  • Slide 6 - AIR PUMP/COMPRESSOR 12V Powered Single Piston Contains the Air Vent Valve Air Drier Controlled by Module through a relay High Current C157
  • Slide 7 - Vent Valve
  • Slide 8 - SYSTEM MODULE Usually in trunk Controls: Air Spring Valves Air Vent Valve Compressor Relay Self Diagnostics No KAM Inputs Sensors Switches C159 and C163
  • Slide 9 - POWER ON/OFF SWITCH Usually located in trunk Must turn off if raise car C159
  • Slide 10 - HEIGHT SENSOR One for each front wheel One for both wheels on rear axle Different construction C160 and C177
  • Slide 11 - Late Model Rotary Height Sensor
  • Slide 12 - LATE MODEL SoftFirm Actuator C177
  • Slide 13 - INPUT/OUTPUT COMPARISON 84-87 LINCOLN Linear Height sensor Air Bag Manual Diagnostics 88 & UP LINCOLN Rotary Height Sensor Strut/Air Bag Steering Sensor 168 Accel/Decel Logic Auto Diagnostics Soft/Firm C170 Brake Switch Speed Sensor
  • Slide 14 - SYSTEM DIAGNOSIS 1984-87 Continental - - Controlled leveling of vehicle only (Page C154 and L163) 88 to present Continental - - Combines air leveling, automatic ride control, speed leveling (Page C175)
  • Slide 15 - 88 Continental Diagnostics Visual Inspection Vehicle Preparation Drive Cycle Diagnostics Service Bay Diagnostics Spring Fill Diagnostics
  • Slide 16 - DRIVE CYCLE DIAGNOSTICS Designed to catch intermittent faults. Will store up to 32 fault codes in module for one hour after key off. This test is done by driving car until the ride control warning lamp illuminates or the technician has determined that there is no fault. If no fault, enter Service Bay Diagnostics
  • Slide 17 - SERVICE BAY DIAGNOSTICS Broken down into 3 parts Auto/Manual Diagnostic Checks - - Is a self check of system. Will say good or bad Fault Code Display - - Displays codes Functional Checks - - This test leads you to doing pinpoint tests
  • Slide 18 - SPRING FILL DIAGNOSTICS Sometimes, Functional Tests will instruct you to perform Spring Fill Diagnostics. Used to check individual springs
  • Slide 19 - SYSTEM SERVICES Diagnostics (L163) Early Lincoln Air Spring Removal/Installation (L164) Air Spring Inflation (Lab 166) Trim Height Adjustment (L167) Line Service (L167) Spring Fill Diagnostics (L178)
  • Slide 20 - 88 CONTINENTAL SHOP DEMO

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