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Haldex EB+ Gen 2 - User Manual

Haldex EB+ Gen 2
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Operator’s
Guide
www.haldex.com
ELECTRONIC BRAKE SYSTEMS EB+ GEN 2
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Summary

General Components Guide

ISO7638-7 Pin Socket Assembly

Connects the trailer to the towing vehicle for power and data communication.

Sensor and Exciter

Detects wheel speed for ABS and other system functions.

Haldex EB+ Gen 2 Assembly

The main control unit housing ECU, EPRVs, and pressure transducers.

Drivers Information Plate

Provides basic system information and identification.

EB+ Info Centre 2

Optional unit for displaying system information and diagnostic codes.

Park;Shunt and REV Options

Details different configurations for parking brake and emergency functions.

System Layout and Powering

ISO7638 - 7 Pin Power

Full EBS function powered via the 7-pin ISO7638 connector.

ISO7638 - 5 Pin Power

ABS + ELS function only, without CAN data bus.

ISO1185 (24 N) Power

Safety backup powering providing ABS function.

Trailer Warning Device

Indicates system integrity and faults to the driver.

Chassis Components and Connections

EB+ Gen 2 Label

Identification label for the EB+ Gen 2 system.

ISO7638 - 7 Pin Socket

Connector for power and CAN data bus connection.

ISO1185 (24 N) Cable

Safety backup power cable connection.

EB+ Gen 2 Info Centre

Device for displaying information and diagnostics.

EB+ Gen 2 ECU and EPRVs

The core assembly including control unit and electro-pneumatic relay valves.

Sensor Assembly

Components for detecting wheel speed and other parameters.

Exciter

Component that works with the sensor to detect wheel speed.

COLAS

Automatic reset-to-ride height function.

ILAS-E

Lift axle control function.

Lining Wear Sensing (LWS)

Monitors brake lining wear.

EB+ Gen 2 Stability

Trailer roll stability control function.

System Diagnostics and Information

Diagnostic Communication

Describes communication protocols (ISO11898, KWP2000) for diagnostics.

EB+ Gen 2 Info Centre Features

Details information and changes that can be accessed via the Info Centre.

Diagnostic Testing Capabilities

Lists various tests that can be performed for system diagnosis.

DIAG+ PC Program

Advanced diagnostics and configuration using a PC program.

System Checks and Power-Up Modes

Warning Device Function

How the cab warning device indicates system status.

System Check Procedure

Steps to verify system integrity on power up.

Power Up Modes

Describes system behavior based on pneumatic brake status during power up.

Test Procedure Summary

Power Up and Warning Device Check

Initial steps to check system integrity.

Foot Brake and EPRV Cycle

Procedure involving applying foot brake and listening to EPRV cycles.

Diagnostic Code Reading

How to read diagnostic codes using the EB+ Info Centre.

Multiple Lamp Sequence

Interpreting specific lamp flash sequences for faults.

Diagnostic Trouble Codes (DTC)

ECU Time Out; No Link

Trouble codes related to communication loss or ECU timeouts.

Sensor Group Faults

Codes for sensor signal or output faults.

Intermittent Low Sensor Output

Codes indicating intermittent sensor signal issues.

Low Sensor Output

Codes for persistent low sensor output or system faults.

Brake Apply Solenoid Group

Codes for faults in the brake apply solenoids.

EPRV Hold and Dump Solenoid Group

Codes for faults in the EPRV solenoids.

Demand Pressure Transducer

Codes for demand pressure transducer faults.

Delivery Pressure Transducer

Codes for delivery pressure transducer faults.

One Wheel Slow Recovery

Codes for slow recovery issues on a single wheel.

Reservoir Pressure Transducer Group

Codes for reservoir pressure transducer faults.

Suspension Pressure Transducer Group

Codes for suspension pressure transducer faults.

Pressure Switch Group

Codes for pressure switch faults.

ISO11992 (CAN) Electrical Signal Group

Codes for CAN bus communication faults.

Supply Voltage Group

Codes related to ECU supply voltage.

ECU Group

Codes indicating internal ECU faults or programming issues.

Auxiliary Components Group

Codes for faults in auxiliary system components.

Lining Wear Group

Codes related to lining wear sensing system.

Lateral Accelerometer

Codes for lateral accelerometer faults.

Slave Valve Group

Codes for slave valve and modulator faults.

ECU Connector and AUX Port Identification

AUX 1 Functions

Details functions connected to AUX port 1.

AUX 2, AUX 3 Functions

Details functions connected to AUX ports 2 and 3.

AUX 4 Functions

Details functions connected to AUX port 4.

AUX 5 Functions

Details functions connected to AUX port 5.

Wiring Diagram

Key and Notes

Explanation of symbols, wire colours, and important notes.

Component Connections

Illustrates electrical connections between components like sensors, ECU, and ISO connectors.

Piping Diagram (4 S;2 M with REV)

Key and Component List

Defines item numbers, port numbers, and lists pneumatic components.

Emergency and Service Lines

Diagram showing pneumatic routing for emergency and service functions.

Piping Diagram (4 S;2 M with TCM)

Key and Component List

Defines item numbers, port numbers, and lists pneumatic components.

Emergency and Service Lines

Diagram showing pneumatic routing for this configuration.

Piping Diagram (2 M with Park;Shunt)

Key and Component List

Defines item numbers, port numbers, and lists pneumatic components.

Emergency and Service Lines

Diagram showing pneumatic routing for this configuration.

Piping Diagram (2 M with Park;Shunt Valve)

Key and Component List

Defines item numbers, port numbers, and lists pneumatic components.

Emergency and Service Lines

Diagram showing pneumatic routing for this configuration.

Multimeter Reading and Checks

Sensor Connector Checks

Instructions for checking sensor output and resistance.

Earth Continuity Check

Procedure to verify earth continuity.

COLAS;ILAS-E Solenoid Resistance

Checking solenoid resistance for specific functions.

Recommended Maintenance Schedule

Hub Removal Maintenance

Checks to perform when hubs are removed.

3 Month; 25,000 Mile Maintenance

Routine checks for the complete system.

Annual; 100,000 Mile Maintenance

Comprehensive checks for the system and sensors.

Part Reference - Servicing Parts

Electronic Control Unit (ECU)

Part numbers for various ECU configurations.

ISO7638 Socket and Cable Assemblies

Part numbers for ISO7638 connectors and cables.

ISO1185 (24 N) Cable Assembly

Part numbers for ISO1185 cable assemblies.

Auxiliary Cable Assembly

Part numbers for auxiliary cable assemblies.

Sensor Cable Assembly

Part numbers for sensor cable assemblies.

EB+ Gen 2 Label

Part number for the EB+ Gen 2 system label.

Sensor Kit

Part numbers for sensor kits (angled and straight).

EB+ Info Centre 2

Part numbers for the EB+ Info Centre 2 unit.

Cables

Part numbers for various cable lengths.

Side of Vehicle Installation

Part numbers for side-of-vehicle installation cables.

Side of Vehicle Diagnostic Cable Assembly

Part numbers for diagnostic cable assemblies for side of vehicle.

Blanking Plug

Part number for ECU position blanking plugs.

ISO7638 DIAG+ Cable

Part number for the ISO7638 diagnostic cable.

DIAG+ PC Interface

Part numbers for PC interface, software, and manuals.

Cable - ECU to Interface

Part numbers for cables connecting ECU to interface.

Cable - Side of Vehicle to Interface

Part numbers for cables from side of vehicle to interface.

Lining Wear System

Part numbers for lining wear system components.

EB+ Gen 2 Stability

Part number for external lateral accelerometer.

Info Point

Part numbers for Info Point cables.

Soft Docking

Part numbers for soft docking system kits.

Sensor Adjusting Tool

Part number for sensor adjusting tool.

General Information and Features

Braking with EB+ Gen 2

Guidance on using the EB+ Gen 2 for emergency braking and cadence braking warning.

Lining Wear Sensing (LWS)

Explanation of how the LWS system indicates brake lining wear.

EB+ Gen 2 Stability

Description of the trailer roll stability function and its safety role.

Traction Assist using ILAS-E

How ILAS-E provides traction assist by lifting the front axle.

Soft Docking

Explanation of the automatic braking system for bay reversing.

Info Point Functionality

How the Info Point alerts the driver to system faults.

Haldex EB+ Gen 2 Specifications

General IconGeneral
BrandHaldex
ModelEB+ Gen 2
CategoryDiagnostic Equipment
LanguageEnglish

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