Post on 24-Dec-2015
transcript
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ELECTRONIC AIR ELECTRONIC AIR SUSPENSION SYSTEMSSUSPENSION SYSTEMS
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COMPONENTSCOMPONENTS
AIR SPRINGS AND VALVESAIR SPRINGS AND VALVES COMPRESSOR COMPRESSOR SENSORSSENSORS CONTROL MODULECONTROL MODULE
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AIR SPRINGAIR SPRING
Replaces coil Replaces coil SpringSpring
Can be inflated or Can be inflated or deflated to trim cardeflated to trim car
Can be controlled Can be controlled individually or all individually or all togethertogether
C155C155 and C178and C178
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LATE MODEL AIR SPRINGLATE MODEL AIR SPRING
C178C178
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AIR SPRING VALVEAIR SPRING VALVE
Normally closed Normally closed Intake or ExhaustIntake or Exhaust Mounted like a Mounted like a
radiator cap. lock radiator cap. lock tabstabs
Controlled by Controlled by ModuleModule
C156C156
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AIR PUMP/COMPRESSORAIR PUMP/COMPRESSOR
12V Powered12V Powered Single PistonSingle Piston Contains the Air Contains the Air
Vent ValveVent Valve Air DrierAir Drier Controlled by Controlled by
Module through a Module through a relayrelay
High CurrentHigh Current
C157C157
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Vent ValveVent Valve
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SYSTEM MODULESYSTEM MODULE
Usually in trunkUsually in trunk Controls:Controls:
• Air Spring ValvesAir Spring Valves• Air Vent ValveAir Vent Valve• Compressor RelayCompressor Relay• Self DiagnosticsSelf Diagnostics• No KAMNo KAM
InputsInputs• SensorsSensors• SwitchesSwitches
C159C159 and C163and C163
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POWER ON/OFF SWITCHPOWER ON/OFF SWITCH
Usually located in Usually located in trunktrunk
Must turn off if Must turn off if raise carraise car
C159C159
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HEIGHT SENSORHEIGHT SENSOR
One for each front One for each front wheelwheel
One for both One for both wheels on rear axlewheels on rear axle
Different Different constructionconstruction
C160 and C177C160 and C177
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Late Model Rotary Height Late Model Rotary Height SensorSensor
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LATE MODEL LATE MODEL SoftFirm ActuatorSoftFirm Actuator
C177C177
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INPUT/OUTPUT INPUT/OUTPUT COMPARISONCOMPARISON
84-87 LINCOLN84-87 LINCOLN Linear Height Linear Height
sensorsensor Air BagAir Bag Manual Manual
Diagnostics Diagnostics
88 & UP LINCOLN88 & UP LINCOLN Rotary Height SensorRotary Height Sensor Strut/Air Bag Strut/Air Bag Steering Sensor 168Steering Sensor 168 Accel/Decel LogicAccel/Decel Logic Auto DiagnosticsAuto Diagnostics Soft/Firm C170Soft/Firm C170 Brake SwitchBrake Switch Speed SensorSpeed Sensor
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SYSTEM DIAGNOSISSYSTEM DIAGNOSIS
1984-87 Continental - - Controlled 1984-87 Continental - - Controlled leveling of vehicle only (Page C154 leveling of vehicle only (Page C154 and L163)and L163)
88 to present Continental - - 88 to present Continental - - Combines air leveling, automatic Combines air leveling, automatic ride control, speed leveling (Page ride control, speed leveling (Page C175)C175)
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88 Continental Diagnostics 88 Continental Diagnostics
Visual InspectionVisual Inspection Vehicle PreparationVehicle Preparation Drive Cycle DiagnosticsDrive Cycle Diagnostics Service Bay DiagnosticsService Bay Diagnostics Spring Fill DiagnosticsSpring Fill Diagnostics
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DRIVE CYCLE DRIVE CYCLE DIAGNOSTICS DIAGNOSTICS Designed to catch intermittent faults.Designed to catch intermittent faults. Will store up to 32 fault codes in module Will store up to 32 fault codes in module
for one hour after key off.for one hour after key off. This test is done by driving car until the This test is done by driving car until the
ride control warning lamp illuminates or ride control warning lamp illuminates or the technician has determined that there the technician has determined that there is no fault.is no fault.
If no fault, enter Service Bay DiagnosticsIf no fault, enter Service Bay Diagnostics
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SERVICE BAY SERVICE BAY DIAGNOSTICSDIAGNOSTICS
Broken down into 3 partsBroken down into 3 parts• Auto/Manual Diagnostic Checks - - Is a Auto/Manual Diagnostic Checks - - Is a
self check of system. Will say good or self check of system. Will say good or badbad
• Fault Code Display - - Displays codesFault Code Display - - Displays codes• Functional Checks - - This test leads Functional Checks - - This test leads
you to doing pinpoint testsyou to doing pinpoint tests
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SPRING SPRING FILL DIAGNOSTICSFILL DIAGNOSTICS
Sometimes, Functional Tests will Sometimes, Functional Tests will instruct you to perform Spring Fill instruct you to perform Spring Fill Diagnostics.Diagnostics.• Used to check individual springs Used to check individual springs
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SYSTEM SERVICESSYSTEM SERVICES
Diagnostics (L163) Early LincolnDiagnostics (L163) Early Lincoln Air Spring Removal/Installation Air Spring Removal/Installation
(L164)(L164) Air Spring Inflation (Lab 166)Air Spring Inflation (Lab 166) Trim Height Adjustment (L167)Trim Height Adjustment (L167) Line Service (L167)Line Service (L167) Spring Fill Diagnostics (L178)Spring Fill Diagnostics (L178)
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88 CONTINENTAL88 CONTINENTAL
SHOP DEMOSHOP DEMO