Introduction; Identifying Iabs - WABCO iABS 2S/1M Standard Maintenance Manual

Introduction

3 Introduction
This manual contains service and diagnostic information for WABCO iABS Trailer ABS system with Power
Line Carrier (PLC) and CAN capability.

3.1 Identifying iABS

To identify the iABS system, check the identifi cation tag on the Electronic Control Unit (ECU). Figure 3.1.
The part numbers for iABS systems are:
 400 500 320 0 (2S/1M Standard)
400 500 420 0 (2S/2M, 4S/2M Standard)

 400 500 425 0 (4S/2M Standard for Pull Trailers)
 400 500 430 0 (2S/2M, 4S/2M and 4S/3M Premium)
 400 500 350 0 (2S/1M Premium)
Fig. 3.1
Date of Manufacture Code
First Two Digits=Build Week
Last Two Digits=Build Year
WABCO ID No.
If you are not able to identify the version and need to request service literature, please visit
wabco-na.com. Otherwise, contact WABCO Customer Care at 855-228-3203.
This manual covers servicing and repair information for a trailer already equipped with an iABS valve
assembly. If performing a new installation, refer to the following documents:
 iABS 2S/1M Install Guide: TP18007
 iABS 2S/2M, 4S/2M and 4S/3M Install Guide: TP18006
Cntry of Origin
0701
Data Coding
400 500 102 0
PRI
Optional
4017190a
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