BENDIX BW2726 User Manual

1Bendix® TABS‑6™ Advanced Multi‑Channel Trailer ABS ModuleFIGURE 1 - BENDIX® TABS -6™ ADVANCED MULTI-CHANNEL MODULE (BENDIX TABS-6 ADV MC)1. INTRODUCT

1013. BENDIX® ABS FLEX™ PROGRAMThe BendixABS Flex program usesAuxiliary DesignLanguage(ADL)toallowcustomizedauxiliaryfunctionstobe car

1117. NON‑STANDARD TIRE SIZEThe Bendix® TABS‑6™ Adv MC module allows for tire rolling radius and tone ring tooth count parameters to be set for the a

12Wait until after the modulator chuff test before activating thebrakelightpower.Alternatively,waitve(5)seconds.Note: If certain Diagnostic

1322. DIAGNOSTIC TROUBLE CODES (DTCS)1st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN/FMI)1

141st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN/FMI)Trailer Power6 1 Over-voltagePowerSup

15Diagnostic Trouble Codes (DTCs) (continued)1st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN

16Diagnostic Trouble Codes (DTCs) (continued)1st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN

171st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN/FMI)TABS‑6 Adv MC module10 1TABS‑6 Adv MC

181st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN/FMI)AuxiliaryDesignLanguage(ADL)&

191st Digit2nd DigitDiagnostic Code DescriptionPossible Causes / Repair InformationJ1587 (SID/FMI)J1939(SPN/FMI)11 8AuxiliaryElectricalError#4• Cle

2● Awidevarietyofelectricalinputs/outputs(I/Os)allowthe customer to program auxiliary functions such as: automatic LiftAxle Control (LAC)

20USING HAND‑HELD ORPC‑BASED DIAGNOSTICSTroubleshooting and Diagnostic TroubleCode (DTC)clearing,aswellasbeginningareconguration,mayalso

21How the Bendix® TRDU™ Tool OperatesWhentheTRDUtoolispluggedintotheadapter—andtheadapter/TRDUtoolisinstalledbetweenthetrailerconne

22To better serve you, please record the following information before you call the Bendix Tech Team, or include this information in your e‑mail:• Ben

231. TheTABS-6AdvMCmoduleshallbeinstalledwiththefollowingconsiderations(seeFigures16through18):5°5°VERTICAL ORIENTATION (ROLL ANGLE)M

24FIGURE 19 ‑ WHEEL SPEED SENSOR INSTALLATIONP22P21P21P220° Mounting Orientation 180° Mounting OrientationVehicle Driving DirectionVehicle Driving Dir

25• Mechanical Load Sensor Test (Mechanical Spring Ride): The test has the user verify the expected measurement of the spring deectionsensor.

26FIGURE 20 ‑ BENDIX® TABS -6™ ADV MC MODULE ELECTRICAL SCHEMATIC - 2S/2MFIGURE 21 ‑ BENDIX TABS-6 ADV MC MODULE ELECTRICAL SCHEMATIC - 4S/2MTrouble

27FIGURE 22 - BENDIX® TABS -6™ ADV MC MODULE - 2S/2M SIDE CONTROL (0 DEGREE) ABS ELECTRICAL & AIR SYSTEMFIGURE 23 - BENDIX TABS-6 ADV MC MODULE -

284S/2M - SIDE CONTROL - Fixed Axles0 Degree Mounting OrientationIgnition PowerTrailer Chassis HarnessBendix®TABS-6™Advanced Multi-ChannelBendix® SR-5

29FIGURE 26 - BENDIX® TABS -6™ ADV MC MODULE - TYPICAL 4S/2M AXLE CONTROL ABS ELECTRICAL & AIR SYSTEMFIGURE 27 - BENDIX TABS-6 ADV MC MODULE - 4S/

33. ANTILOCK BRAKE SYSTEM (ABS) OPERATIONThe Bendix® TABS‑6™ Adv MC module uses wheel speed sensors,modulatorrelayvalves(MRVs);andanECUtoop

30FIGURE 28 - 4S/2M SIDE CONTROL (0 DEGREE) WITH FRONT LIFT AXLE, ABS ELECTRICAL & AIR SYSTEMFIGURE 29 - 4S/2M SIDE CONTROL (0 DEGREE) WITH REAR L

31FIGURE 30 - 4S/2M SIDE CONTROL (180 DEGREE) WITH FRONT LIFT AXLE, ABS ELECTRICAL & AIR SYSTEMFIGURE 31 - 4S/2M SIDE CONTROL (180 DEGREE) WITH RE

324S/2M - AXLE CONTROL - Front Lift Axle180 Degree Mounting OrientationA Brake Lamp PowerB Ignition PowerC NCD Indicator LampE GroundIgnition Power

33FIGURE 34 - BENDIX® TABS -6™ ADV MC MODULE - TYPICAL 4S/2M SYSTEM WITH FRONT LIFT AXLEFIGURE 35 - BENDIX TABS-6 ADV MC MODULE - 4S/2M AXLE CONTROL S

34SectionA:(Power-UpSequence)Trailer‑Mounted ABS Indicator Lamp ...Page 34SectionB:(Power-UpSequence)Dash‑Mounted ABS Indicator La

35SECTION B: (POWER‑UP SEQUENCE)DASH‑MOUNTED ABS INDICATOR LAMPObservethedash-mountedTrailerABSIndicatorLampatPower-UpVerifythataPLCtraile

36SECTION C: TROUBLESHOOTING THE TRAILER‑MOUNTEDABS INDICATOR LAMP CIRCUITRYLookingintotheBendix® TABS‑6™ Adv MC Module 7‑pin Connector Pigtail Har

37Measure the loaded voltage across a type 1157brakelightbulb.LookingintoTABS-6Advanced MC Module 7‑pin Connector Pigtail Harness Measure:Igniti

38S‑D and S‑F Sensor(SeeFigure19forUsage.)S‑C and S‑E Sensor(SeeFigure19forUsage.)SECTION E: TROUBLESHOOTING THEBENDIX® WS‑24™ WHEEL SPEED SEN

39SECTION F: TROUBLESHOOTING THELOAD SENSOR (OUT‑OF‑RANGE CONDITION)(Note: The indicator lamp for this condition is illuminated only after the vehicl

44. BENDIX® TRAILER ROLL STABILITY PROGRAM (TRSP®) OPERATION WARNING! During a Bendix® TRSP® system intervention, the vehicle automatically decelerat

40ECU Part Number LabelThe external part number label is located above the control port of the module. If this label is not readable for any reason,

55. COMPONENTSInstallations of the TABS‑6 Adv MC module use the following components:Internal:• Electronic Control Unit (ECU): TheECUmonitorsthe

6• Pigtail Wiring Harness: A power pigtail harness is required.Auxiliaryharnessesareavailable,asneeded.See Figure 6.• Lift Axle Sensing: 

7deection.Theconnection tothe ElectronicControlUnit(ECU)isviatheauxiliary12-pinconnector.See Figure 6.6. MOUNTINGFrame (Chassis) Mou

8CAUTION: Correct wheel speed sensor installation is necessary for optimal ABS operation.NOTE:Ifthetrailerisequippedwithaliftaxlethatwill

910. SAE J2497 (PLC) DIAGNOSTIC LINKAll newer towed vehicles transmit a signal over the power linetothetowingvehicleABSECU.Thesignal,using