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HSA
Maintenance manual
WABCO HSA Maintenance Manual
Anti-lock braking system (abs) and electronic stability controls (esc): for e version ecus
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Section 1: Introduction
System Components
Electronic Control Unit (ECU)
Wheel Speed Sensing Systems
Pressure Modulator Valves
Active Braking Valves (ABV)
Brake Pressure Sensor (BPS)
Steering Angle Sensor (SAS)
Electronic Stability Control (ESC) Module
Trailer Modulator Valve
Off-Road ABS Switch
ATC Switch
Blink Code Switch
System Configuration
Section 2: Stability and Safety Enhancement Systems
Atc
ATC Components
ATC Switch
Roll Stability Control (RSC)
RSC Components
Electronic Stability Control (ESC)
ESC Components
Hill Start Aid (HSA)
HSA Components
Drag Torque Control
Lift Axle Capability
Section 3: Diagnostics, Troubleshooting and Testing
General
Maintenance Information
ABS Indicator Lamp
Diagnostics
TOOLBOX™ Software Diagnostics
Blink Code Diagnostics (ABS Only)
23 Testing
Testing
Wheel Speed Sensor Testing
Modulator Valve Testing
Active Braking Valves (ABV) Testing
Brake Pressure Sensor Testing
ESC CAN Network Testing
ESC Module Testing
3 Diagnostics, Troubleshooting and Testing
Steering Angle Sensor (SAS) Testing
Figure 3.37
Cab Mount Ecu: Looking into Wire Harness Connector
Figure 3.39
Circuit
Frame Mount Ecu
Connector Pins
Looking into Wire
Section 4: Component Replacement
Component Removal and Installation
Wheel Speed Sensors
Modulator Valves
Active Braking Valves (ABV)
ABS Valve Packages
Active Braking Valve on the ABS Valve Package
Electronic Control Unit (ECU)
Steering Angle Sensor (SAS) - WABCO Only
Electronic Stability Control (ESC) Module
Brake Pressure Sensor
Section 5: System Configurations
System Configuration Layouts
Section 6: Wiring Diagrams and Connectors
ECU Connector Pin Assignments
X2-Green
X2-Green
X2-Green
ECU Circuit Testing
J1939 Serial Communications Testing
Power Supply
With ESC
Figure 6.16
Section 7: SPN, SID, FMI Fault Codes
SPN, SID, FMI Diagnostic Trouble Code List
Section 8: Appendix I Reconfiguration Procedure
94 Section 8: Appendix I
How to Reconfigure an ECU (E Version)
TOOLBOX™ Software
Manual Reconfiguration
Section 9: Appendix
E4 ESC End of Line Calibration Procedure
Section 10: Appendix
E8 ESC End of Line Calibration Procedure
Section 11: Appendix
Aftermarket Programming Failure Codes List
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Electronic Control Unit (Ecu)
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Roll Stability Control (Rsc)
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Rsc Components
4
3 Diagnostics, Troubleshooting and Testing
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ANTI-LOCK BRAKING SYSTEM
(ABS) AND ELECTRONIC
STABILITY CONTROLS (ESC):
FOR E VERSION ECUs
MAINTENANCE MANUAL
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Related Manuals for WABCO HSA
Car Spares WABCO ABS Maintenance Manual
Anti-lock braking system (abs) and electronic stability controls (esc): for e version ecus (122 pages)
Summarization of Contents
Introduction
About This Manual and Getting Started
Manual overview, safety, and information acquisition procedures.
Stability and Safety Enhancement Systems
Stability and Safety Systems Overview
Overview of ATC, RSC, ESC, and HSA systems and their functions.
Additional System Features
Drag Torque Control and Lift Axle Capability features.
Diagnostics, Troubleshooting, and Testing
General Information and ABS Indicator Lamp
General maintenance, ABS lamp function, and indicator lamp behavior.
Diagnostic Methods
Methods for diagnosing ECU faults using TOOLBOX Software and Blink Codes.
Component Replacement
Hazard Alert Messages and General Procedures
Safety warnings and general steps for component removal/installation.
Key Component Replacement
Procedures for replacing Wheel Speed Sensors, Modulator Valves, ABVs, ECU, SAS, ESC Module, and Pressure Sensor.
System Configurations
System Configuration Layouts
Common system configurations for E version ECUs with diagrams.
Wiring Diagrams and Connectors
ECU Connector Pin Assignments
Detailed pin assignments for various ECU types and connectors.
SPN, SID, FMI Fault Codes
SPN, SID, FMI Diagnostic Trouble Code List
Comprehensive list of SPN, SID, FMI codes with causes and actions.
Appendix I: Reconfiguration Procedures
ECU Reconfiguration Methods
Reconfiguring ECUs using TOOLBOX Software or manual methods.
Appendix II: E4 ESC End of Line Calibration
E4 ESC Calibration Procedure
Steps for E4 ESC End of Line calibration, including SAS calibration.
Appendix III: E8 ESC End of Line Calibration
E8 ESC Calibration Procedure
Steps for E8 ESC End of Line calibration, including SAS and ESC initialization.
Appendix IV: Aftermarket Programming
Aftermarket Programming Overview and Requirements
Overview, minimum requirements, and procedures for aftermarket ECU programming.
Aftermarket Programming Failure Codes
List of common failure codes and their descriptions during aftermarket programming.
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