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29

Installation

FEATURES

TailGUARD

TailGUARD

ROOF

TailGUARDMAX

Typical logistical 

environment

Loading ramps and large 

objects, such as palettes, 

vehicles and posts of 

metal or wood that vary in 

shape and size and are 

unknown to the driver.

Areas with restricted 

heights: e.g. warehouses, 

loading gates, trees and 

roof constructions.

Areas with small and / or 

moving objects: e.g. forklift 

loading, street signs, shops, 

residential areas.

Tested to ISO 12155.

Number of ultrasonic 

sensors (dot = Ultrasonic 

sensor)

3x

5x

6x

Areas covered by ultrasonic 

sensors
(View from top of vehicle)

The entire rear of the vehicle is covered by 

The entire rear of the vehicle is covered by ultrasonic sensors. . 

 1 and 2 indicate

 1 and 2 indicate objects behind the vehicle.

Areas covered by ultrasonic 

sensors
(side view)

Each bar represents a 

distance of 50 cm. 
Red: 0 to 150 cm
Yellow: 150 to 300 cm
Green: 300 to 400 cm
In close proximity  

(red LEDs) the following 

also applies: 

Each LED has 2 states, 

constant and flashing.

 

This indicates the distance 

with a precision of 25 cm.

Indication on the Trailer 

Remote Control

Display 

Floor height

Display 

Roof height

Indication on the Trailer 

Remote Control

The level with nearest 

object will be displayed.

Sensitivity of the ultrasonic 

sensors

Big moving objects are 

detected independent 

of one another and 

displayed.

Objects at ground 

level and roof level are 

detected and displayed, 

independent of one 

another.

Small moving objects are 

detected independent of one 

another and displayed.

Distance indication 
(mode)

ISO 12155 or 

WABCO Standard

ISO 12155 or 

WABCO Standard

ISO 12155

Ultrasonic sensor position 

according to drawing

841 802 281 0

841 802 284 0

841 802 282 0

drawings

http://www.wabco.info/i/1365

Summary of Contents for TAILGUARD

Page 1: ...TailGUARDTM FOR TRUCK BUS APPLICATIONS SYSTEM DESCRIPTION...

Page 2: ......

Page 3: ...s on installing the Electronic Extension Module 25 7 2 Notes on installing the cables dummy caps 26 7 3 Notes on installing the ultrasonic sensors 27 7 3 1 TailGUARD 30 7 3 2 TailGUARDRoof 31 7 4 Note...

Page 4: ...9 4 3 Adjusting the buzzer volume in the Trailer Remote Control 42 9 4 4 Deactivating TailGUARD via Trailer Remote Control 42 9 5 Distance indication 43 9 6 Detection of malfunctions 44 9 6 1 Minor f...

Page 5: ...so LIN bus ultrasonic sensor interface PLC Power Line Communication data communication via cable for power supply TEBS Electronic Braking System for Trailers Purpose of this document This document is...

Page 6: ...05 Italian 06 Dutch 07 Swedish 08 Russian 09 Polish 10 Croatian 11 Romanian 12 Hungarian 13 Portuguese Portugal 14 Turkish 15 Czech 16 Chinese 17 Korean 18 Japanese 19 Hebrew 20 Greek 21 Arabic 24 Da...

Page 7: ...ccident regulations of the respective company as well as regional and national regulations Make provisions for a safe work environment Only trained and qualified technicians may carry out work on the...

Page 8: ...out a cable being connected Use electrically conductive bolted connections when fastening the ECUs to the vehicle frame Run the cable in metallic casing if at all possible e g inside the U beam or beh...

Page 9: ...system Braking intervention must only occur via the rear axle s To avoid any accidents observe the following safety instructions for operating the vehicle and as information for the driver Risk of inj...

Page 10: ...nprofessional connection can significantly impair vehicle safety Vehicles with a prepared interface for TailGUARD TailGUARD may not brake if the vehicle s EBS system has a fault Observe the following...

Page 11: ...ltrasonic sensors mechanically protected to avoid damage The ability to detect objects largely depends on the ultrasonic sensors positioning on the vehicle Make sure that the ultrasonic sensors are in...

Page 12: ...TailGUARD is activated automatically when the reverse gear is engaged TailGUARD stops the vehicle automatically if it approaches an object within a configurable distance between 50 and 200 cm After Ta...

Page 13: ...ontinue to meet legal requirements The permissible braking system pressure for TailGUARD with autonomous braking must not exceed 13 bar The speed signal in accordance with ISO 16844 2 C3 signal must b...

Page 14: ...s readiness for operation is signalled to the driver If an object is identified while reversing and the distance becomes less than the configured stopping distance the vehicle will be braked for 3 sec...

Page 15: ...e area behind the vehicle If an object or a person reflects these sonic waves the ultrasonic sensors receive an echo The distance to the object is calculated from the time the ultrasonic waves take fr...

Page 16: ...t circuits A braking pressure is only fed if both solenoid valves switch simultaneously This rules out a braking process being initiated by an electrical fault A pressure sensor 8 monitors the pressur...

Page 17: ...ABS ITEM DESCRIPTION 1 Electronic Extension Module electronic control unit 2 Brake valve 3 Charging valve 4 Pressure limiting valve 5 Solenoid valve 6 Solenoid valve 7 Select High valve 8 Pressure sen...

Page 18: ...limiting valve 5 Solenoid valve 6 Solenoid valve 7 2 way directional control valve 8 Pressure sensor 10 Trailer Remote Control 11 Relay valve If the autonomous braking application is retrofitted the...

Page 19: ...pneumatic braking system In addition functional data such as speed driving direction and distance to an object are electronically exchanged With these vehicles the Electronic Extension Module is conn...

Page 20: ...inal 15 White Ground White green CAN1 High optional White brown CAN1 Low optional Connecting cable for monitoring the reverse gear stop light control of rear outline marker lamps 449 908 100 0 Length...

Page 21: ...Control 446 122 080 0 Connection to terminal 15 and ground in the fuse box Communication to the Electronic Extension Module via PLC Holder and connecting cable included Optional Connection of signal...

Page 22: ...braking pressure Minimum set pressure 3 2 bar Recommended set pressure 3 6 bar Maximum permissible pressure 60 of the maximum braking pressure on the rear axle Solenoid valve 472 170 606 0 2 units re...

Page 23: ...on Module GIO16 Solenoid valve and pressure sensor cable distributor 449 629 022 0 Connects one of the solenoid valves and the pressure sensor to Electronic Extension Module GIO13 Solenoid valve or pr...

Page 24: ...000 0 Can output acoustic warning signals in addition to Trailer Remote Control This extension is not possible for vehicles with a TailGUARD status lamp as is the case with the prepared interface for...

Page 25: ...ty instructions page 7 The cover of the Electronic Extension Module must be removed for installing removing the cable Use a screwdriver minimum length 11 cm to loosen the locking lugs of housing to re...

Page 26: ...er can enter the connector Fasten the cable ties so that the cable is not damaged When using tools please note the instructions of the cable tie manufacturer If the cables are too long do not wind the...

Page 27: ...e surfaces such as meshed structures furry or hairy surfaces at an oblique angle to the sound s direction are not detected so easily Download the outline drawing from the internet Information on the u...

Page 28: ...m between the Electronic Extension Module and the last ultrasonic sensor The ultrasonic sensor should not be installed at a distance of more than 35 cm from the rear of the vehicle Standard applicati...

Page 29: ...y ultrasonic sensors side view Each bar represents a distance of 50 cm Red 0 to 150 cm Yellow 150 to 300 cm Green 300 to 400 cm In close proximity red LEDs the following also applies Each LED has 2 st...

Page 30: ...ntred mount it so that it is inclined in the direction of the farther away outer sensor The parameters for the installation position are configured in the TEBS E diagnostic software Mount the central...

Page 31: ...446 122 450 0 10 is not exactly centred mount it so that it is inclined in the direction of the farther away outer sensor The designation has to be entered in the TEBS E diagnostic software in tab 10...

Page 32: ...vehicle safety Use of the speed signal is required for autonomous brake intervention Use the pulse signal of the trip recorder v pulse output trip recorder B7 speed C3 either directly or via a corresp...

Page 33: ...ry brake application when reversing The electronic control unit switches on the stop lights using the reverse light power in accordance with the T V approval report Make sure that the power supply is...

Page 34: ...up procedure considerably Prepared parameter sets can be requested from your WABCO partner Start up using an already prepared parameter set requires PIN 2 which can be obtained by means of a successfu...

Page 35: ...Open the myWABCO website http www wabco info i 1367 Help on logging in can be obtained by pressing the Step by step instructions button After you have successfully logged in you can order the TEBS E...

Page 36: ...of the ultrasonic sensors and the TailGUARD system the ignition must be turned on and the reverse gear engaged Additionally the diagnostic computer must be connected to the TailGUARD diagnostic port w...

Page 37: ...hese reflections Another measurement is then made to determine whether reflections of other objects have to be masked If objects are still detected the ultrasonic sensors or attachment parts must be p...

Page 38: ...objects on the ground curbs for instance This setting should be used if the ultrasonic sensors are installed lower than 50 cm e g for the lower sensor row with TailGUARDMAX For vehicles with problemat...

Page 39: ...by a person giving directions To avoid any accidents observe the following safety instructions for vehicles with braking intervention through TailGUARD Because the stopping distance becomes longer wit...

Page 40: ...ose it with the operating instructions of the vehicle Trailer Remote Control Driver information http www wabco info i 1487 9 2 Activating the system TailGUARD is activated by shifting into reverse gea...

Page 41: ...tion by means of an optional external button permanent deactivation of the function by means of an optional external button pressing longer than 2 seconds engaging the reverse gear twice within 1 3 se...

Page 42: ...cm the flashing one 50 cm 9 4 2 Acoustic warnings Acoustic warnings are not permitted as exclusive means of indicating distance because system faults are not clearly identifiable DISTANCE TO OBJECT AC...

Page 43: ...v 1 8 km h 0 5 s on Brief brake actuation optionally indicated via a symbol 3 s on Activation check after reverse gear is engaged Progress bar indicates the distance in cm from Standard fault first i...

Page 44: ...minor faults fault messages are only output if the reverse gear is engaged You may be able to eliminate the fault yourself Detection and warning Visually inspect the ultrasonic sensors If visibly soil...

Page 45: ...ion 10 2 Diagnosis Carry out a system diagnostics if you notice anything conspicuous or warning lamps indicators are lit Currently present as well as sporadically occurring faults are stored in the di...

Page 46: ...rs together with household refuse These must instead be handed over to a designated collection point Observe the national and regional regulations Defective WABCO brake units can be returned to WABCO...

Page 47: ...342 0 TailGUARD system for reverse monitoring only 841 802 343 0 Complete TailGUARD system with all options for vehicles with EBS system 841 802 344 0 TailGUARD system with autonomous brake intervent...

Page 48: ...48 Appendix...

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Page 56: ...56 Appendix...

Page 57: ...57 Appendix...

Page 58: ...58 Appendix...

Page 59: ...op light left input 6 Rear outline marker lamps Stop light left output 7 Rear outline marker lamps Stop light right output 8 Rear outline marker lamps Stop light right input GIO13 4 pin code B 4 3 2 1...

Page 60: ...reverse gear signal see separate circuit diagram 841 802 342 0 4 GIO15 4 pin code B 4 3 2 1 1 Reverse signal light optional 2 Ground 3 4 Reverse signal light optional GIO16 4 pin code B 4 3 2 1 1 Sol...

Page 61: ...Visualisation for the driver The distance to the object is indicated through the Trailer Remote Control as required by the T V approval report Indication of an object is to be implemented via the rea...

Page 62: ...e TailGUARD into the existing pipe system are available in accordance with vehicle manufacturer s specifications Other subjects for preparing the vehicle The employees are qualified and the documentat...

Page 63: ......

Page 64: ...ABCO reported sales of 3 8 billion and has nearly 16 000 employees in more than 40 countries For more information visit www wabco auto com WABCO NYSE WBC is the world s leading supplier of brake contr...

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