BENDIX BW2261 Manual do Utilizador

1®SD-13-4746GEN 4™ AND GEN 5™ ABS INTRODUCTIONThis manual describes both the cab mount and the framemount versions of the Bendix® Gen 4™ and Gen 5™ An

10FIGURE 12 - ABS/ATC HoldFIGURE 10 - Normal Apply and ABS/ATC ApplyFIGURE 13 - ABS/ATC ReleaseFIGURE 11 - Normal ReleaseModulator Valve Operation Mod

11FIGURE 14 - Front Axle ModuleOptional Front Axle ModulesAn optional front axle module is available. It is an assemblyof two modulator valves and a

12FIGURE 16 - Typical Electrical and Pneumatic LayoutsBrakeChamberQuickReleaseValveSteerAxleModulator ValveBrakeChambersAnti-CompoundingRelay / QuickR

13Fault CodesDIAGNOSTICSAn important feature of Bendix ABS is the system diagnosticcapability. This section describes how to retrieveconfiguration in

14FIGURE 17 - Antilock Brake System Troubleshooting ChartObserveABSindicator lamp operationLamp stays ONLamp turns OFF after2 second lamp checkLamp ne

15Fault CodesSYSTEM CONFIGURATIONSAvailable ConfigurationsA wide variety of system configurations are available (referto Figure 17). It is important

16Test EquipmentBendix recommends the use of the following products totroubleshoot the ABS system:• A multimeter or digital volt-ohmmeter (DVOM).• Eat

17Fault CodesFIGURE 20 - Hand-Held Tester Menus and Set-UpEatonApplications1. System INFOPart No.DateSerial No.Software No.System Configuration–ABS– A

18.Diagnostic SwitchBlink Codes – System Configuration and System Faults.By properly actuating the ABS diagnostic button,configuration codes and diagn

19Fault CodesFIGURE 21 - Reading ABS Configuration CodesVOLTAGE CONFIGURATIONSFlashes Description1 12 Volt System2 24 Volt SystemABS CONFIGURATIONSFla

2FIGURE 2 - Overview of ABS OperationANTILOCK BRAKING SYSTEM (ABS)ABS-controlled braking ensures optimum vehicle stabilitywhile minimizing the stoppi

204.5secondpausefirst half of code1.5 second pausesecond half of code4.5 secondpauseFirst Trouble Codefirst half of code1.5 second pausesecond half of

21Fault Codes11 –/– No Trouble Found21 001/000 Sensor air gap too large. Left Steer Sensor22 001/008 Air gap too large or sensor shorted.23 001/010 Sp

2261 005/000 Sensor air gap too large. Left Rear Sensor.62 005/008 Air gap too large or sensor shorted.63 005/010 Speed Sensor signal is noisy.64 005/

23Fault Codes10 1 009/003 Short circuit from the release solenoid to voltage. Left Rear Axle PMV.10 2 009/004 Short circuit from the release solenoid

2414 5 018/003 Solenoid in ATC valve shorted high. ATC Valve.14 6 018/004 Solenoid in ATC valve shorted to ground.14 7 018/005 ATC valve open circuit.

25Fault CodesX2 (Black) 5 Speed Sensor (-) Right Steer6 Speed Sensor (+) Right Steer7 Speed Sensor (-) Left Steer8 Speed Sensor (+) Left SteerX3 (Gree

26The 17•12 Sensor Memory Diagnostic TroubleCodeThe ABS indicator lamp indication and 17•12 diagnostictrouble code are provided to remind the service

27Fault Codes1st2ndBlink CodeSequence1.5 Sec.PauseFlashes Location2 Left Steer3 Right Steer4 Left Rear5 Right Rear6 Left Rear Rear7 Right Rear RearAct

28FIGURE 26 - Front Speed Sensor ComponentsWheel End Speed Sensor RepairFront Axle Speed SensorThe front axle speed sensor is located on the inboard s

29Fault CodesFIGURE 28 - Rear Speed Sensor ComponentsRear Axle Speed SensorThe rear axle speed sensor located inside the brake drumand is only accessi

3FIGURE 3 - ABS Indicator LampsABS Component FunctionThe ABS system operates as follows (see Figure 2).1. Speed sensors on each wheel monitor wheel r

30Measure Measure ResistanceFrom: To: Range:Common Hold 3-8 OhmsCommon Release 3-8 OhmsHoldRelease 6-16 OhmsPMV Resistance TestMeasure resistance at t

31Fault CodesFIGURE 31 - PMV Harness Circuit Descriptions and Resistance TestX2 BlackX3 Green789101112654321789101112654321X4 Brown789101112654321X1 G

32FIGURE 32 - PMV Diagnostic Trouble Code Troubleshooting Guide1st2nd1.5 Sec.PauseFlashes Location8 PMV 1 Left Steer9 PMV 2 Right Steer10 PMV 3 Left R

33Fault CodesFIGURE 33 - Rear Axle Valve Assemblies – Standard and ATC Version ShownABS Modulator ValveRemoval1. Turn ignition switch to the OFF posit

34FIGURE 34 - ATC ValvePerformance Test of the Relay ValveCAUTION: Block wheels before beginning this procedure.Follow all standard safety procedures,

35Fault CodesFIGURE 36 - ATC Diagnostic Trouble Code Troubleshooting Guide1st2ndBlink CodeSequence1.5 SecondPauseLocationATC ValveResponseUse multimet

36ATC Valve RemovalCAUTION: Block wheels before beginning this procedure.Follow all standard safety procedures, outlined by, but notlimited to, the Ge

37Fault CodesFIGURE 38 - Power Circuit Diagnostic Trouble Codes Troubleshooting Guide1st2ndBlink CodeSequence1.5 Sec.PauseLocationPower CircuitsVerify

38FIGURE 39 - Miscellaneous Diagnostic Trouble Codes Troubleshooting Guide1st2ndBlink CodeSequence1.5 Sec.PauseLocationMiscellaneousUse multimeter to

39Fault CodesFIGURE 40 - Cab Mount ECU – Connector LayoutCab Mount ECU Pin IdentificationThis section shows how to identify Cab Mount ECU harnessconne

4FIGURE 4 - ATC Indicator LampAutomatic Traction Control (ATC) SystemThe ATC system is available on all Standard ABS ECU’s.ATC is not available on Bas

40A (18-Way) 1 J1922/J1939 -2 Gen 4™ ABS J1939 Shld/Gen 5™ ABS TIL3 J1922/J1939 +4 NC5 Off Road ABS Switch (ORS)6 ATC Mud & Snow Switch7 Ignition,

41Fault CodesFIGURE 42 - Gen 4™ and Gen 5™ Basic Cab Mount ABS Electrical Schematic

42FIGURE 43 - Gen 4™ and Gen 5™ Standard Cab Mount ABS Electrical Schematic

43Fault CodesFIGURE 44 - Cab Mount ECU – Pin Identification ChartFrame Mount ECU Pin IdentificationThis section shows how to identify Frame Mount ECUh

44Pin Signal DescriptionX1-1 IGN1Ignition-1X1-2 IGN2Ignition-2X1-3 ATCL ATC Light/ATC SwitchX1-4 1587+J1587+X1-5 RET Retarder ControlX1-6 ENG–J1922/19

45Fault CodesFIGURE 46 - Gen 5™ Basic Frame Mount ABS Electrical Schematic

46FIGURE 47 - Gen 4™ and Gen 5™ Standard Frame Mount ABS Electrical SchematicFrame Mount

47Fault CodesABS — Antilock Brake System.ABS Event — Impending wheel lock situation that causes theABS controller to activate the modulator valve(s).A

48BW2261 © 2006 Bendix Commercial Vehicle Systems LLC. All rights reserved. 5/2006 Printed in U.S.A.

5Component OverviewBendix ABS components include:• Electronic Control Unit (ECU): The ECU monitorsand controls the ABS. It also diagnoses ABSmalfunct

6FIGURE 5 - ABS Components

7Electronic Control Units (ECUs)IdentificationFrame mount ECUs are environmentally packaged versionsof the related Gen 4™ & Gen 5™ ABS cab-mounted

8ECU CoverECU Connector(1 of 4)Sliding Lock300XXXDesigned and Manufactured byBOSCHMFOEO798O3138620 486 104 036 Made in GermanyGen 5 ABS – Standard Cab

9FIGURE 8 - Modulator ValveFIGURE 9 - Rear Axle Valve Assemblies, 4-Port ABS and ABS/ATC Versions ShownABS ValvesThe ABS modulator valve controls air