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WABCO iABS 4S/2M Standard User Manual

WABCO iABS 4S/2M Standard
188 pages
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iABS TRAILER ABS SYSTEM
WITH PLC AND CAN
MAINTENANCE MANUAL
2S/1M, 2S/2M, 4S/2M AND 4S/3M
STANDARD/PREMIUM
MM19001

Table of Contents

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WABCO iABS 4S/2M Standard Specifications

General IconGeneral
Configuration4S/2M
ModeliABS 4S/2M Standard
Channels2
ManufacturerWABCO
TypeABS
ApplicationsCommercial vehicles
Supply Voltage24V
FunctionalityAnti-lock Braking System

Summary

Safety Information

Safe Work Environment Provisions

Lists essential safety precautions for technicians performing maintenance on vehicles.

Trailer Grounding and Electrostatic Discharge Protection

Details grounding procedures to prevent static discharge and protect components.

System Configurations

Diagnostics Procedures

Hazard Alert Messages for Diagnostics

Lists warnings and cautions relevant to diagnostic procedures and safety.

WABCO TOOLBOX PLUS™ Software for Diagnostics

Describes the PC-based diagnostic program and its functions for system analysis.

Power and Ground Connection Checks

Details procedures for verifying power and ground connections to the ECU.

Blink Code Fault Diagnosis

Explains how to obtain and interpret blink codes for fault diagnosis and troubleshooting.

Component Replacement Procedures

Wheel Speed Sensor Replacement

Provides instructions for removing and installing wheel speed sensors, including testing.

Sensor Adjustment and Component Testing

Testing Wheel Speed Sensors

Details procedures for testing sensor resistance and output voltage for proper function.

Troubleshooting WABCO iABS Systems

Automatic Lift Axle Troubleshooting

Addresses issues with the automatic lift axle feature, its activation, and plumbing.

Tag Axle Troubleshooting Guide

Covers troubleshooting for the tag axle system, its activation, and operation.

Axle Load Monitoring Troubleshooting

Provides troubleshooting steps for the axle load monitoring system and its sensor.

Appendix II: Sensor Installation

Appendix III: Cable Management

Appendix IV: Electrical Grounding

Vehicle Electrical Grounding Guidelines

Provides essential guidelines for vehicle electrical grounding to prevent noise and damage.

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