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Knorr-Bremse Group

1

Doc. No. Y250903 (EN - Rev. 000)

July 2016

Copyright © Knorr-Bremse AG - all rights reserved, including industrial property rights applications. Knorr-Bremse AG retains any power of disposal, such as for copying and transferring.

Knorr-Bremse Systeme für Nutzfahrzeuge GmbH . Moosacher Straße 80 . 80809 Munich . Germany . Tel: +49 89 3547-0 . Fax: +49 89 3547-2767 . www.knorr-bremse.com . www.knorr-bremseCVS.com

C o m m e r c i a l   V e h i c l e   S y s t e m s

Introduction and Disclaimer

Introduction

This Product Manual is designed to provide an overview of the functions and features of the KB4TA and KB4TA D 
brake systems available from Knorr-Bremse. It is made up of individual documents, each covering a major module 
or feature of the system. These documents carry two forms of reference number:

•  A Document Number, Y******

•  A Product Data Number, PD-***-***.

References within a document to other documents does not necessarily imply that those other documents are 
contained in this manual but generally they can be found on our website as described below.
Whilst every effort has been made to ensure the accuracy of the data in this manual, we reserve the right to amend 
or change this information without notice. The latest versions of individual documents and this manual can be found 
on our website: www.Knorr-BremseCVS.com in the Documentation Download section by entering either of the two 
forms of reference number in the search field. The documents can be downloaded free of charge.
Should you find any errors or omissions or have any comments regarding manual layout, please send the details to 
your local Knorr-Bremse representative.

The information contained in this manual is intended for the exclusive use of trained persons within the commercial 
vehicle industry, and must not be passed on to any third party.
The information is subject to alteration without notice and therefore may not be the latest release. Please check our 
website www.knorr-bremseCVS.com for the latest update or contact your local Knorr-Bremse representative.
The information does not purport to be all-inclusive and no responsibility is assumed as a result of its use. We cannot 
accept any liability nor offer any guarantee regarding data accuracy, completeness or timeliness. The information 
does not represent any guarantee or ensured characteristics of the Products or Systems described.
No liability can be accepted based on the information, its use, recommendations or advice provided. In no event may 
we be held liable for any damage or loss except in the case of wilful intent or gross negligence on our part, or if any 
mandatory legal provisions apply.
Note: If service work is carried out on a vehicle based on information taken from this document, it is the responsibility 
of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into 
service. Knorr-Bremse accepts no liability for problems caused as a result of appropriate tests not being carried 
out.
This disclaimer is an English translation of a German text, which should be referred to for all legal purposes.
Any legal disputes arising from the use of this information shall be subject to German law.

Disclaimer

Y026787: 006: EN: Released: Fri Nov 11 11:18:50 CET 2016: 

Содержание KB4TA

Страница 1: ...and 4S 2M Several diagnostic options available Retrofitable to existing trailers KB4TA With integrated anti compounding P r o d u c t M a n u a l System and I nstallation I nstruc tions for KB4TA and...

Страница 2: ...Revision Details Rev 000 July 2016 New document Rev 001 September 2016 Changes made to suit the Brazilian market Y026787 006 EN Released Fri Nov 11 11 18 50 CET 2016...

Страница 3: ...comments regarding manual layout please send the details to your local Knorr Bremse representative The information contained in this manual is intended for the exclusive use of trained persons within...

Страница 4: ...2016 Glossary of Abbreviations ABS Anti lock Braking System AUXIO Auxiliary Input Output CAN Controller Area Network ECE Economic Commission for Europe United Nations ECU Electronic Control Unit EU Eu...

Страница 5: ...ork to support the chassis from sudden lowering and therefore prevent any possibility of being trapped between the chassis and axle or ground 7 Park the vehicle on a level surface apply the parking br...

Страница 6: ...for air disc brakes is not permitted The service tools are not designed for such use It is likely that the tools or the vehicle will be damaged and there is a serious risk of injury see Caution on pr...

Страница 7: ...www knorr bremse com www knorr bremseCVS com Contents C o m m e r c i a l V e h i c l e S y s t e m s Title Doc No PD No KB4TA System Overview Y250904 PD 203 400 KB4TA D System Overview Y250905 PD 20...

Страница 8: ...retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr b...

Страница 9: ...ilers with mechanical or air suspension KB4TA is designed to work in trailer systems powered via ISO 7638 but the addition of ISO 1185 stop lamp powering is included as standard as a safety feature so...

Страница 10: ...Head with Filter Supply 2 Coupling Head with Filter Control 3 ABS Connector ISO 7638 4 Park Shunt Valve with Emergency Function 5 Air Reservoir 6 Drain Valve 7 Load Sensing Valve 8 ABS Module with 6...

Страница 11: ...th the speed of each wheel During braking if one or more wheels is on a slippery surface and is unable to support the level of braking that it is being asked to contribute the wheel speed will drop re...

Страница 12: ...at the time of configuration A 4S 3M configuration cannot be realised automatically this requires manual configuration with the diagnostic tool ECUtalk ABS manual Configuration Depending upon the req...

Страница 13: ...emory as a Diagnostic Trouble Code DTC For some trouble codes the KB4TA module will automatically reset and clear the active DTC once the error has been corrected When an active DTC is cleared automat...

Страница 14: ...l functional order before the vehicle is returned into service Knorr Bremse accepts no liability for problems caused as a result of appropriate tests not being carried out Copyright Knorr Bremse AG al...

Страница 15: ...ailers with mechanical or air suspension KB4TA D is designed to work in trailer systems powered via ISO 7638 but the addition of ISO 1185 stop lamp powering is included as standard as a safety feature...

Страница 16: ...10 Spring Brake 11 Sensing Ring and Wheel Speed Sensor 14 Test Connector 15 Electrical Connector Lighting acc to ISO 1185 KB4TA D System diagram 2S 2M for semi trailer with mechanical suspension and d...

Страница 17: ...it with the speed of each wheel During braking if one or more wheels is on a slippery surface and is unable to support the level of braking that it is being asked to contribute the wheel speed will d...

Страница 18: ...will perform an auto configuration An auto configuration only adjusts upward e g from 2S 2M to 4S 2M A configuration will not be accepted if a wheel speed signal is generated at the time of configura...

Страница 19: ...mory as a Diagnostic Trouble Code DTC For some trouble codes the KB4TA D ECU will automatically reset and clear the active DTC once the error has been corrected When an active DTC is cleared automatic...

Страница 20: ...functional order before the vehicle is returned into service Knorr Bremse accepts no liability for problems caused as a result of appropriate tests not being carried out Copyright Knorr Bremse AG all...

Страница 21: ...e ISO 7638 connection Stop lamp powering is not available in the 4S 3M configuration The KB4TA module is designed for all normal system variants from 2S 2M up to 4S 3M The configuration as supplied is...

Страница 22: ...rr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 276...

Страница 23: ...s Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 354...

Страница 24: ...CANH 5V CAN High for Diagnostics X1 6 BAT Valve Supply Voltage ISO 7638 ABS connector Pin 1 Pin Signal Connection X1 7 GND_H Warning Lamp Ground ISO 7638 ABS connector Pin 3 X1 8 WL Warning Lamp ISO 7...

Страница 25: ...power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com w...

Страница 26: ...propriate tests not being carried out Copyright Knorr Bremse AG all rights reserved including industrial property rights applications Knorr Bremse AG retains any power of disposal such as for copying...

Страница 27: ...itional axle modulator normally on a cross member in the centre of the front axle bogie 3 Make the necessary pneumatic connections 4 Make the necessary electrical connections see PD 203 380 Document N...

Страница 28: ...trial property rights applications Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germa...

Страница 29: ...Note Stop lamp powering should only be considered as a backup in the event of failure of the ISO 7638 connection The KB4TA D ECU is designed for all normal system variants from 2S 2M up to 4S 3M The...

Страница 30: ...disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr b...

Страница 31: ...such as ISO 1185 stop lamp power supply additional third modulator and one additional Input Output Also a Code B connector for the connections to the ABS Relay Modulators The ECU also utilizes either...

Страница 32: ...p ground X1 8 ISO 7638 Pin 5 warning lamp X1 9 ISO 7638 Pin 2 ignition Diagnostic Connector KB4TA D harnesses provide a 4 pin 5 Volt J1939 CAN diagnostic connection for a diagnostic tool Remote diagno...

Страница 33: ...Fax 49 89 3547 2767 www knorr bremse com www knorr bremseCVS com KB4TA D ABS ECU C o m m e r c i a l V e h i c l e S y s t e m s Diagnostics KB4TA D offers two independent possibilities for diagnostic...

Страница 34: ...for the KB4TA D ECU view without Cover Notes Tightening torque of the M8 retaining nuts screws 24 4 8 Nm The ECU should be mounted on a flat surface The cable entries must not point upwards The press...

Страница 35: ...of appropriate tests not being carried out Copyright Knorr Bremse AG all rights reserved including industrial property rights applications Knorr Bremse AG retains any power of disposal such as for cop...

Страница 36: ...ed herein it is the responsibility of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into service Knorr Bremse accepts no liability for...

Страница 37: ...ut Copyright Knorr Bremse AG all rights reserved including industrial property rights applications Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Syste...

Страница 38: ...ains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr brem...

Страница 39: ...se AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www k...

Страница 40: ...d service brake pressure in relation to the load imposed on the vehicle s axles The air suspension load sensing valve uses the pressure in the suspension air springs to sense the load imposed on the a...

Страница 41: ...System Components C o m m e r c i a l V e h i c l e S y s t e m s Trailer Data Plate S l Feder Nr Spring No Ressort No bar Automatisch Lastabh ngige Bremskraftregeleinrichtung ALB f r Typ Load Sensin...

Страница 42: ...y rights applications Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89...

Страница 43: ...valves and are the last valves that air passes through on the way to the brake actuators During normal braking the valve operates as a standard relay valve As the brake control is applied or released...

Страница 44: ...is the responsibility of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into service Knorr Bremse accepts no liability for problems caus...

Страница 45: ...e field thereby creating an induced voltage in the sensor coil This voltage is monitored by the KB4TA KB4TA D module via the output cable The voltage generated takes the form of a sine wave with both...

Страница 46: ...lve K019299 added 3 Gently push DO NOT STRIKE the wheel speed sensor into the clamping sleeve until it contacts the face of the sensing ring Secure the sensor cable to the knuckle axle housing or the...

Страница 47: ...y s t e m s Cables for KB4TA KB4TA D Doc No Y250909 EN Rev 000 July 2016 Function Technical Features Operating Temperature Range 40 C to 80 C See tables for other features Cables are used in trailer...

Страница 48: ...ty for problems caused as a result of appropriate tests not being carried out Copyright Knorr Bremse AG all rights reserved including industrial property rights applications Knorr Bremse AG retains an...

Страница 49: ...he risk of damage and subsequent faults in the system Knorr Bremse recommends the following 1 Lay the modulator cable and the wheel speed sensor cables separately on the vehicle frame The sensor cable...

Страница 50: ...posal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr brem...

Страница 51: ...r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr bremseCVS com C o m m e r c i a l V e h i c l e S y s t e m s Cables f...

Страница 52: ...ng Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr bremseCVS com P r o d u c t D a t a Cables f...

Страница 53: ...ng and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr bremseCVS com C o m m e r c...

Страница 54: ...fahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr bremseCVS com P r o d u c t D a t a Cables for KB4TA KB4TA D Part No Type No...

Страница 55: ...Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547...

Страница 56: ...er of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www k...

Страница 57: ...norr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2...

Страница 58: ...the vehicle is returned into service Knorr Bremse accepts no liability for problems caused as a result of appropriate tests not being carried out Copyright Knorr Bremse AG all rights reserved includin...

Страница 59: ...ility for problems caused as a result of appropriate tests not being carried out Copyright Knorr Bremse AG all rights reserved including industrial property rights applications Knorr Bremse AG retains...

Страница 60: ...ndustrial property rights applications Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich G...

Страница 61: ...Y250910 EN Rev 001 September 2016 PD 203 390 Function The term Diagnostics is an all embracing name which may be applied to any device or program which is able to provide status information in a forma...

Страница 62: ...etains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 80809 Munich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr br...

Страница 63: ...is entered by providing constant power to the ignition circuit and by switching the stop lamp power input supply ON and OFF a number of times see Diagnostic Trouble Codes With a parked towing vehicle...

Страница 64: ...000 i e one blink pause five blinks pause two blinks Zeros will be displayed by the ABS warning lamp blinking twice Odometer mileage cannot be altered with blink code diagnostics Complete odometer inf...

Страница 65: ...ial out of range Verify correct tyre size proper tyre inflation correct number of sensing ring teeth Verify that the ECU has the correct tyre size settings 6 Wheel speed sensor configuration error Ver...

Страница 66: ...approximately 2 seconds and then turns OFF The KB4TA module KB4TA D ECU is functioning normally No service to the ABS components is needed Verify that the dashboard mounted trailer ABS warning lamp i...

Страница 67: ...ncluding industrial property rights applications Knorr Bremse AG retains any power of disposal such as for copying and transferring Knorr Bremse Systeme f r Nutzfahrzeuge GmbH Moosacher Stra e 80 8080...

Страница 68: ...id not illuminate during the power up sequence Troubleshoot the power supply to the module Go to Chart 4 Verify stop lamp supply at the ISO 1185 connector Verify configuration and correct installati o...

Страница 69: ...10 9 8 7 KB4TA KB4TA D Module Wiring Harness ECU X1 Connector measure Pin 12 Stop lamp Power to Pin 11 ground 12 11 10 9 8 7 KB4TA KB4TA D Module Wiring Harness ECU X1 Connector measure Pin 6 Battery...

Страница 70: ...dules WSS Pinning SR Right Sensor SAR Additional Right Sensor SL Left Sensor SAL Additional Left Sensor Turn off power to module If Dynamic WSS DTC s is present Rotate the effected wheel and verify a...

Страница 71: ...Common connector pins No continuity from modulator connector pins to ground Vbat is not measured at any modulator connector pins Modulator ECU wiring and connectors are not damaged or corroded If an i...

Страница 72: ...ll functional order before the vehicle is returned into service Knorr Bremse accepts no liability for problems caused as a result of appropriate tests not being carried out Copyright Knorr Bremse AG a...

Страница 73: ...m s KB4TA System Diagrams Doc No Y250911 EN Rev 000 July 2016 KB4TA System diagram 2S 2M for semi trailer with air suspension and disc brakes Legend 1 Coupling Head with Filter Supply 2 Coupling Head...

Страница 74: ...com www knorr bremseCVS com KB4TA System Diagrams P r o d u c t D a t a KB4TA System diagram 2S 2M for semi trailer with air suspension and drum brakes 11 SERVICE PARKING 12 11 SERVICE PARKING 12 11 S...

Страница 75: ...nich Germany Tel 49 89 3547 0 Fax 49 89 3547 2767 www knorr bremse com www knorr bremseCVS com KB4TA System Diagrams C o m m e r c i a l V e h i c l e S y s t e m s KB4TA System diagram 4S 3M for semi...

Страница 76: ...information provided herein it is the responsibility of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into service Knorr Bremse accepts...

Страница 77: ...2016 KB4TA D System diagram 2S 2M for semi trailer with air suspension and disc brakes ECU mounted above centre of bogie Legend 1 Coupling Head with Filter Supply 2 Coupling Head with Filter Control...

Страница 78: ...49 89 3547 2767 www knorr bremse com www knorr bremseCVS com KB4TA D System Diagrams P r o d u c t D a t a KB4TA D System diagram 2S 2M for semi trailer with air suspension and disc brakes ECU mounted...

Страница 79: ...l V e h i c l e S y s t e m s KB4TA D System diagram 2S 2M for semi trailer with air suspension and drum brakes ECU mounted above centre of bogie Legend 1 Coupling Head with Filter Supply 2 Coupling H...

Страница 80: ...o d u c t D a t a KB4TA D System diagram 2S 2M for semi trailer with air suspension and drum brakes ECU mounted at front of trailer Legend 1 Coupling Head with Filter Supply 2 Coupling Head with Filt...

Страница 81: ...e com www knorr bremseCVS com KB4TA D System Diagrams C o m m e r c i a l V e h i c l e S y s t e m s KB4TA D System diagram 4S 3M for semi trailer with air suspension and drum brakes Legend 1 Couplin...

Страница 82: ...nformation provided herein it is the responsibility of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into service Knorr Bremse accepts...

Страница 83: ...Y026787 006 EN Released Fri Nov 11 11 18 50 CET 2016...

Страница 84: ...ive The figurative mark K and the trademarks KNORR and KNORR BREMSE are registered in the name of Knorr Bremse AG Additional terms and conditionsapply pleaserefertoourwebsiteknorr bremseCVS comforfull...

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