WABCO iABS 2S/1M Standard Maintenance Manual page 3

Table of Contents Table of Contents
8 Sensor Adjustment and Component Testing ............................................................................................ 123
8.1 How to Test Wheel Speed Sensors .................................................................................................... 123
8.2 Check ABS Functions ......................................................................................................................... 124
8.3 ABS External Modulator Valve ............................................................................................................ 124
8.4 End of Line Testing ............................................................................................................................. 124
8.5 End of Line Testing without TOOLBOX PLUS™ Software .................................................................. 132
8.6 Inspect the Sensor and Air Line Installation (2S/2M Standard) .......................................................... 133
8.7 Trailer Identifi cation ............................................................................................................................. 138
9 Troubleshooting ........................................................................................................................................... 139
9.1 Automatic Lift Axle Troubleshooting ................................................................................................... 139
9.2 Tag Axle Troubleshooting .................................................................................................................... 152
9.3 Axle Load Monitoring Troubleshooting ................................................................................................ 159
9.4 Tire Infl ation Communication System Troubleshooting ....................................................................... 163
9.5 Door Ajar System Troubleshooting ..................................................................................................... 168
9.6 Integrated Speed Switch System ........................................................................................................ 172
10 Appendix I ..................................................................................................................................................... 175
10.1 TraiIer ABS Indicator Lamp on Vehicle Dash ...................................................................................... 175
11 Appendix II .................................................................................................................................................... 177
11.1 Installing Sensors on Non-ABS-Prepped Axles .................................................................................. 177
12 Appendix III ................................................................................................................................................... 179
12.1 Cable Routing Guidelines ................................................................................................................... 179
12.2 Cable Strain Relief Guidelines ............................................................................................................ 180
13 Appendix IV .................................................................................................................................................. 184
13.1 Vehicle Electrical Grounding Guidelines ............................................................................................. 184
14 Appendix V .................................................................................................................................................. 185
14.1 Parts and Variant List .......................................................................................................................... 185
Edition 1
Version 1 (05.2020)
MM19001 (en)
This publication is not subject to any update service. Information contained in this
publication was in effect at the time the publication was approved for printing and is
subject to change without notice or liability. WABCO reserves the right to revise the
information presented or to discontinue the production of parts described at any time.
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