Related Manuals for WABCO iABS 4S/2M Standard for Pull Trailers
Summarization of Contents
Safety Information
Trailer Grounding and Protection from Electrostatic Discharge
Procedures for grounding and ESD protection during trailer servicing.
Vehicle Electrical Grounding Guidelines
Guidelines for establishing correct common chassis ground points on vehicles.
Introduction
Identifying iABS
How to identify the specific iABS system using the identification tag on the ECU.
System Configuration
Defines system configuration based on sensors and modulator valves used.
System Components
Details the main components that make up the iABS trailer ABS system.
ABS Questions and Answers
Power Line Carrier (PLC)
Explains PLC communication method used for data transfer over power lines.
ABS Indicator Lamps
Details the function and operation of trailer ABS indicator lamps.
System Configurations
iABS Installation Diagrams
Illustrates sensor location designations for various iABS configurations.
Power Cable Wiring Diagrams
Diagrams showing the wiring connections for the iABS power cable.
Diagnostics
TOOLBOX PLUS™ SOFTWARE
PC-based diagnostic program for fault codes, wheel speed data, and component testing.
Blink Code Diagnostics
Method to obtain diagnostic fault codes using the trailer ABS indicator lamp.
Component Replacement
Wheel Speed Sensor
Procedures for removing and installing wheel speed sensors.
ECU/Valve Assembly
Instructions for removing and installing the ECU/Valve Assembly.
Sensor Adjustment and Component Testing
How to Test Wheel Speed Sensors
Procedures for testing wheel speed sensor resistance and output voltage.
End of Line Testing Procedure Using TOOLBOX PLUS™ Software (All Installations)
Steps for performing end-of-line tests using the WABCO TOOLBOX PLUS™ software.
Sensor Installation Test (All Installations)
Procedure to test the proper installation and orientation of wheel speed sensors.
Troubleshooting
Automatic Lift Axle Troubleshooting
Troubleshooting steps for the automatic lift axle system.
Tag Axle Troubleshooting
Troubleshooting steps for the tag axle system.
Axle Load Monitoring Troubleshooting
Troubleshooting steps for the axle load monitoring system.
Tire Inflation Communication System Troubleshooting
Troubleshooting steps for the tire inflation communication system.
Door Ajar System Troubleshooting
Troubleshooting steps for the door ajar system.
Integrated Speed Switch System
Troubleshooting steps for the integrated speed switch system.
Appendix I
Trailer ABS Indicator Lamp on Vehicle Dash
Details the operation of the trailer ABS indicator lamp on the vehicle dash.
Appendix II
Installing Sensors on Non-ABS-Prepped Axles
Procedure for installing ABS sensors on axles not originally equipped.
Appendix III
Cable Routing Guidelines
Guidelines for securely routing cables to prevent vibration and snags.
Cable Strain Relief Guidelines
Practices for ensuring adequate cable slack for flexibility and durability.
Appendix IV
Vehicle Electrical Grounding Guidelines
Guidelines for ensuring correct vehicle electrical grounding.
Appendix V
Parts and Variant List
Lists available system variants and corresponding part numbers.
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