WABCO 400 500 320 0 User Manual

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

WABCO 400 500 320 0 Specifications

General

Brand	WABCO
Model	400 500 320 0
Category	Automobile Accessories
Language	English

Summary

Safety Information

Introduction

TOOLBOX PLUS™ Software

Overview of the PC-based diagnostics program for WABCO products.

ABS Questions and Answers

Types of Faults

Definitions and explanations of existing and intermittent faults in the system.

Frequently Asked Questions

Answers to common questions regarding ABS valve crack pressure and trailer behavior.

System Configurations

Diagnostics

Important PLC Information for Blink Code Diagnostics

Details on PLC failure and troubleshooting using blink codes.

TOOLBOX PLUS™ SOFTWARE

Description of the TOOLBOX PLUS™ software functions and capabilities.

Tire Calibration

Sensor Test

Sensor Orientation Test

Initial Power-up Check

Power and Ground Checks

Detailed checks for power and ground connections at the ECU connector.

Blink Code Diagnostics

Explanation of how the ECU detects and signals electrical faults using blink codes.

Ignition Power Activation

Procedure for obtaining blink codes using the vehicle's ignition switch.

SID/FMI Diagnostic Codes

Diagnostic table detailing specific fault codes, causes, and repair information.

Component Replacement

Wheel Speed Sensor

Procedures for removing and installing wheel speed sensors.

ABS Relay Valve

Procedures for removing and installing the ABS relay valve.

ECU/Valve Assembly

Procedures for removing and installing the ECU/Valve Assembly.

How to Remove the ECU/Valve Assembly

Step-by-step instructions for removing the ECU/Valve Assembly.

How to Install the ECU/Valve Assembly

Step-by-step instructions for installing the ECU/Valve Assembly.

Tank-Mounted

Specific instructions for tank-mounting the ECU/Valve Assembly.

Bracket-Mounted to Cross Member of Vehicle (2S/1M Standard)

Instructions for mounting the assembly to a vehicle cross member.

Mounted to Cross Member of Vehicle — 2S/2M, 4S/3M Standard and Premium Mounting Bracket Not Supplied

Mounting instructions for 2S/2M and 4S/3M systems to a cross member.

Sensor Adjustment and Component Testing

How to Test Wheel Speed Sensors

Sensor Test Procedure

Sensor Output Voltage Test

Check ABS Functions

ABS External Modulator Valve

End of Line Testing

End of Line Testing Procedure Using TOOLBOX PLUS™ Software (All Installations)

Step-by-step guide for end of line testing using TOOLBOX PLUS™ software.

Verify Correct Valve and Lamp Installation (2S/1M Standard)

2S/2M, 4S/2M, 4S/3M (Standard and Premium)

Sensor Installation Test (All Installations)

Sensor Orientation Test

Sensor Orientation Test Screen

End of Line Testing without TOOLBOX PLUS™ Software

2S/1M Standard

Inspect the Sensor and Air Line Installation (2S/2M Standard)

Inspect the Sensor and Air Line Installation (2S/2M, 4S/2M and 4S/3M Standard and Premium)

Sensor Installation

Air Line Installation

Perform End of Line Test (Standard and Premium Installations)

Sensor Gap Adjustment (All Installations)

Blink Code Check (All Installations)

Procedure for performing a fault code check using blink codes.

Blink Code Table

Table correlating blink codes with problem areas and actions.

Troubleshooting

Hazard Alert Messages

Warnings and cautions for troubleshooting procedures.

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 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.