BENDIX M-21-M-22 ANTILOCK MOD ASSY Specifiche

Maintenance Manual MM-0112Anti-Lock Braking System (ABS) and Electronic Stability Controls (ESC)For E Version ECUs12-Volt and 24-Volt SystemsRevised 0

2 Stability and Safety Enhancement Systems 6Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)2 Stability and Safety Enhancement SystemsATCAut

2 Stability and Safety Enhancement Systems7Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 2.3Switch and lamp locations as well as AT

2 Stability and Safety Enhancement Systems 8Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 2.5Figure 2.6Certain vehicle configuratio

2 Stability and Safety Enhancement Systems9Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 2.7Electronic Stability Control (ESC)Elect

2 Stability and Safety Enhancement Systems 10Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)The ESC ECU contains parameter settings which a

2 Stability and Safety Enhancement Systems11Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 2.9Hill Start Aid (HSA)Hill Start Aid (HS

3 Diagnostics, Troubleshooting and Testing 12Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)3 Diagn ostics, Troublesho oting and Testin gGe

3 Diagnostics, Troubleshooting and Testing13Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)DiagnosticsUse any of the following methods to d

3 Diagnostics, Troubleshooting and Testing 14Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)NOTE: When switching between J1939 and J1708 co

3 Diagnostics, Troubleshooting and Testing15Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.8Figure 3.97. A description of the faul

Service NotesInformation contained in this publication was in effect at the time the publication was approved for printing and is subject to change wi

3 Diagnostics, Troubleshooting and Testing 16Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Diagnostics: The process of using blink codes t

3 Diagnostics, Troubleshooting and Testing17Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Table A: Troubleshooting with Blink Code Diagnos

3 Diagnostics, Troubleshooting and Testing 18Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Blink Code IllustrationsFigure 3.11Figure 3.11P

3 Diagnostics, Troubleshooting and Testing19Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.12Blink Code ConditionsWhen using blink

3 Diagnostics, Troubleshooting and Testing 20Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Blink Code IdentificationUse the following info

3 Diagnostics, Troubleshooting and Testing21Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)TestingWheel Speed Sensor TestingSensor Adjustme

3 Diagnostics, Troubleshooting and Testing 22Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.14Modulator Valve TestingElectrical Ch

3 Diagnostics, Troubleshooting and Testing23Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)NOTE: If resistance exceeds 9.0 ohm for 12V sys

3 Diagnostics, Troubleshooting and Testing 24Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.17Figure 3.171234567891011121314151617

3 Diagnostics, Troubleshooting and Testing25Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.18Figure 3.184007206aFRAME MOUNT ECU WI

Contentspg. pg.iAsbestos and Non-Asbestos Fibers1Section 1: IntroductionContentsSystem ComponentsElectronic Control Unit (ECU)Wheel Speed Sensing Sys

3 Diagnostics, Troubleshooting and Testing 26Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Modulator Valve Testing Available in Meritor WA

3 Diagnostics, Troubleshooting and Testing27Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Active Braking Valves (ABV) TestingElectrical Ch

3 Diagnostics, Troubleshooting and Testing 28Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.23ABV Testing Available in Meritor WAB

3 Diagnostics, Troubleshooting and Testing29Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.24Figure 3.25The valve selection screen

3 Diagnostics, Troubleshooting and Testing 30Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)NOTE: If you are using versions older than TOO

3 Diagnostics, Troubleshooting and Testing31Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.30ESC CAN Network TestingThe ECU, SAS a

3 Diagnostics, Troubleshooting and Testing 32Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.33Figure 3.34ESC Module MountingThe ES

3 Diagnostics, Troubleshooting and Testing33Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Contact the Meritor WABCO OnTrac Customer Servic

3 Diagnostics, Troubleshooting and Testing 34Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)NOTE: For correct sensor operation, there must

3 Diagnostics, Troubleshooting and Testing35Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)앫 Take measurements at the ECU harness pins. Fig

Asbestos and Non-Asbestos FibersiMeritor WABCO Maintenance Manual MM-0112 (Revised 05-13) ASBESTOS FIBERS WARNING The following procedures for

3 Diagnostics, Troubleshooting and Testing 36Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 3.44Figure 3.45Figure 3.44Figure 3.45ECU

4 Component Replacement37Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)4 Component Replacem entHazard Alert MessagesRead and observe all W

4 Component Replacement 38Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 4.2Figure 4.37. Remove the sensor spring clip.Installation1

4 Component Replacement39Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 4.46. Remove the two mounting capscrews and nuts.7. Remove t

4 Component Replacement 40Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 4.57. Remove the two mounting capscrews and nuts. Remove th

4 Component Replacement41Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 4.75. Remove the mounting bolts from the valve package. Remo

4 Component Replacement 42Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)WARNINGRelieve line pressure by bleeding the air from the appropri

4 Component Replacement43Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 4.126. Connect the supply air line to the supply port on the

4 Component Replacement 44Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)앫 Follow the ESC End of Line Calibration Procedure described in th

4 Component Replacement45Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)2. When the ESC End of Line Calibration Procedure is completed, the

1 Introduction1Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)1 IntroductionContentsThis manual contains service information for the follow

4 Component Replacement 46Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)1. Follow the ESC End of Line Calibration Procedure described in t

5 System Configurations47Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)5 Syste m Configurat ionsSystem Configuration LayoutsThe most commo

5 System Configurations 48Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 5.5Figure 5.6Figure 5.7Figure 5.5Figure 5.61003367eAIR LINE

6 Wiring Diagrams and Connectors49Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6 Wiring Diagrams and ConnectorsECU Connector Pin Assignme

6 Wiring Diagrams and Connectors 50Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)ECU (Frame-mounted)Figure 6.4ECU (Frame-mounted) with ESC

6 Wiring Diagrams and Connectors51Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Basic ECU ABS Only with Optional Automatic Traction Contro

6 Wiring Diagrams and Connectors 52Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Universal ECU ABS Only with Optional Automatic Trac

6 Wiring Diagrams and Connectors53Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Universal ECU with Roll Stability Control (RSC) (6S/

6 Wiring Diagrams and Connectors 54Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Universal ECU with RSC and Optional Front Axle Brak

6 Wiring Diagrams and Connectors55Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Universal ECU with Electronic Stability Control (ESC

1 Introduction 2Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)The type of axle determines sensor mounting location.앫 Steering axle sensors

6 Wiring Diagrams and Connectors 56Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Universal ECU with ESC and Hill Start Aid (HSA) (6S

6 Wiring Diagrams and Connectors57Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Frame-mounted ECU ABS or RSC (6S/4M and 4S/4M Config

6 Wiring Diagrams and Connectors 58Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Frame-mounted ECU with ESC (6S/4M and 4S/4M Configu

6 Wiring Diagrams and Connectors59Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)6S/6M Frame-mounted ECU with ESC and Hill Start Aid (HSA)

7 SPN SID FMI Fault Codes 60Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)7 SPN SID FMI Fault CodesSPN SID FMI Fault Code ListFigure 7.1SP

7 SPN SID FMI Fault Codes61Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.2SPN SID FMI Blink CodeDescriptionWarning LightSystem Re

7 SPN SID FMI Fault Codes 62Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.3SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes63Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.4SPN SID FMI Blink CodeDescriptionWarning LightSystem Re

7 SPN SID FMI Fault Codes 64Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.5SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes65Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.6SPN SID FMI Blink CodeDescriptionWarning LightSystem Re

1 Introduction3Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 1.7NOTE: In previous versions of ABS, the valves are cycled diagonall

7 SPN SID FMI Fault Codes 66Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.7SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes67Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.8SPN SID FMI Blink CodeDescriptionWarning LightSystem Re

7 SPN SID FMI Fault Codes 68Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.9SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes69Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.10SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes 70Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.11SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes71Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.12SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes 72Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.13SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes73Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.14SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes 74Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.15SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes75Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.16SPN SID FMI Blink CodeDescriptionWarning LightSystem R

1 Introduction 4Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 1.10Electronic Stability Control (ESC) ModuleThe ESC module is part o

7 SPN SID FMI Fault Codes 76Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.17SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes77Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.18SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes 78Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.19SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes79Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.20SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes 80Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.21SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes81Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.22SPN SID FMI Blink CodeDescriptionWarning LightSystem R

7 SPN SID FMI Fault Codes 82Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.23SPN SID FMI Blink CodeDescriptionWarning LightSystem

7 SPN SID FMI Fault Codes83Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 7.24SPN SID FMI Blink CodeDescriptionWarning LightSystem R

8 Appendix I 84Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)8 Appendix IReconfiguration ProcedureHow to Reconfigure an ECU (E Version)E v

8 Appendix I85Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)NOTE: Vehicle Ignition must be cycled and vehicle test driven over 4 mph (6.4

1 Introduction5Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 1.12Figure 1.13Figure 1.121002004hWHEEL SPEEDSENSORSABS MODULATOR VALV

8 Appendix I 86Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 8.4Figure 8.43 SecondHold(2)Pause1.5 sPause4 s*ATC Lamp will light onl

9 Appendix II87Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)9 Appendix IIESC End of Line Calibration ProcedureThis procedure is performed

9 Appendix II 88Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 9.3Figure 9.4To access the ESC EOL:앫 From the bar menu at the initial

9 Appendix II89Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)In the message box that appears, click the “SAS Calibration” button. Figure 9

9 Appendix II 90Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)The SAS calibration is now completed. The ATC lamp will blink continuously t

9 Appendix II91Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 9.15Tip: The vehicle MUST come to a complete stop before starting the

9 Appendix II 92Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 9.17With the vehicle stopped, ESC End of Line Data with the Steering

9 Appendix II93Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)Figure 9.19Figure 9.20The ESC EOL Initialization procedure is completed.NOTE:

Meritor WABCO Vehicle Control Systems2135 West Maple Road Printed in USATroy, MI 48084-7121866-OnTrac1 (668-7221) Copyright 2013 Revised 05-13meritorw