Electronic Air Suspension - 3.9L & 4.2L
- Description
- Operation
- Component Locations
- Servicing
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Test A: Right Front Sensor Above/Below Limit
- Test B: Right Front Sensor Above/Below Limit
- Test C: Right Front Sensor Above/Below Limit
- Test D: Left Front Sensor Above/Below Limit
- Test E: Left Front Sensor Above/Below Limit
- Test F: Left Front Sensor Above/Below Limit
- Test G: Right Rear Sensor Above/Below Limit
- Test H: Right Rear Sensor Above/Below Limit
- Test I: Right Rear Sensor Above/Below Limit
- Test J: Left Rear Sensor Above/Below Limit
- Test K: Left Rear Sensor Above/Below Limit
- Test L: Left Rear Sensor Above/Below Limit
- Test M: Engine Speed Fault Detected
- Test N: Vehicle Speed Fault Detected
- Test O: Pressure Switch Stuck On
- Test P: Left Front Valve Stuck Closed Or Cannot Lower Left Front Air Spring
- Test Q: Right Front Valve Stuck Closed Or Cannot Lower Right Front Air Spring
- Test R: Left Rear Valve Stuck Closed Or Cannot Lower Left Rear Air Spring
- Test S: Right Rear Valve Stuck Closed Or Cannot Lower Right Rear Air Spring
- Test T: Air Compressor Failure Or Air Supply Leak Indicated; Exhaust Valve Stuck Open Or Inlet Valve Stuck Closed
- Test U: Air Compressor Failure Or Air Supply Leak Indicated; Exhaust Valve Stuck Open Or Inlet Valve Stuck Closed
- Test V: Air Compressor Failure Or Air Supply Leak Indicated; Exhaust Valve Stuck Open Or Inlet Valve Stuck Closed
- Test W: Exhaust Valve Stuck Closed
- System Tests
- Notes
- Test X: Air Suspension System Does Not Lower When Requested By Driver
- Test Y: Air Suspension System Will Not Raise When Requested By Driver
- Test Z: Air Suspension System Cannot Be Inhibited Using Instrument Panel Switch
- Test Aa: Air Suspension System Does Not Operate At All
- Test BB: Air Suspension System Does Not Operate At All
- Test Cc: Handheld Tester Cannot Read Data/System Partially Operates
- Test Dd: Air Suspension Compressor Cycles On & Off Frequently Or Runs All The Time
- Test Ee: No Warning Lamps Illuminate When System Disabled
- Removal & Installation
- Notes
- Air Compressor
- Air Dryer
- Air Harness
- Air Pipe
- Air Pipe Connection Collet & "O" Rings
- Air Reservoir
- Air Supply Unit
- Bumper Stop
- Compressor Inlet Filter
- Electronic Control Unit (Ecu)
- Front Air Spring
- Front Damper
- Height Sensor
- Operating Switches & Warning Light Illumination
- Pressure Relief Valve
- Rear Air Spring Assembly
- Rear Damper
- Reservoir Pressure Switch
- Valve Block
- Connector Identification
- Torque Specifications
- Wiring Diagrams