Page 1
Section 1
Introduction
Section 1Introductio n
Overview
This manual describes how WABCO's Easy-Stop™
Trailer Anti-Lock Braking System (ABS) works;
answers some basic ABS questions; outlines
procedures on how to adjust, test, remove and
install ABS components, as well as how to test for
faults in the system by using Blink Code
Diagnostics; and illustrates ABS components and
wiring and plumbing installation diagrams. This
manual does not contain Original Equipment
Manufacturer (OEM) installation instructions. New
installations require the following documentation:
앫 Easy-Stop™ Basic (2S/1M without external
diagnostics): TP-97145
앫 Easy-Stop™ Standard (2S/1M, 2S/2M, 4S/2M
with external diagnostics): TP-97147
앫 Easy-Stop™ Standard (4S/3M with external
diagnostics): TP-97153
Scope of Blink Code
Diagnostics in This Manual
This manual contains blink code diagnostics
information and instructions for most of
the ECU/Valve Assemblies listed in Ta b l e A —
Scope of Blink Code Diagnostics.
The serial and part numbers are located on the
ECU/Valve Assembly. Refer to Figure 1.1 .
Table A — Scope of Blink Code Diagnostics
ECU/Valve Assembly Part
Number
Blink Code
Diagnostics
472 500 001 0
(Serial Number 3080002745
and lower)
Contact WABCO for
blink code
diagnostics
information.
472 500 001 0
(Serial Number 3080002746
and higher)
See Section 5 and
Appendix A and B.
472 500 011 0
(Serial Number Not
Applicable)
See Section 5 and
Appendix C.
472 500 012 0
(Serial Number Not
Applicable)
See Section 5 and
Appendix A, B
and C.
472 500 013 0
(Serial Number Not
Applicable)
See Section 5 and
Appendix A, B
and C.
Figure 1.1
1003290d
SERIAL NUMBER
EASY-STOP™ TRAILER ABS ECU/VALVE ASSEMBLY
DATE CODE
FIRST TWO DIGITS = BUILD WEEK
LAST TWO DIGITS
= BUILD YEAR
PART NUMBER
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