BENDIX BW2262 User Manual Page 1

1®SD-13-4757GEN 4™ AND GEN 5™ ABS INTRODUCTIONThis manual describes the Bendix® A-18™ trailer ABSsystem and contains two primary sections:• Installati

10ECU CoverRelay ValveBASIC STANDARDECU CoverPlugBlankConnectorRelay ValveFIGURE 8 - Trailer ABS ECU ConfigurationsFIGURE 7 - Electronic Control Unit

11FIGURE 9 - Standard and Basic ECU Block DiagramsJ1587Diagnostic LinkDiagnosticSwitchJ1587+J1587 GndReleaseOutputsTrailer MountedWarning LightX1-10X1

12Figure 10 - Relay ValveOut(3/8" Delivery Port toBrake Chamber)3/8" Control Port3/4" Supply PortThree-PinECU ConnectorRelay ValveThe t

13FIGURE 13 - ABS HoldFIGURE 11 - Normal Apply and ABS ApplyFIGURE 14 - ABS ReleaseFIGURE 12 - Normal ReleaseSupplyOutlet ExhaustControlSupplyOutlet E

14FIGURE 15 - Speed Sensor InstallationFriction SleeveSensorABSSensorBushingSensorPushFIGURE 16 - Wheel Speed Sensor ComponentsInstallationInstallatio

15FIGURE 17- Tank Mounted ECU/Relay ValveECURelay Valve3/4" Heavy WallSteel Pipe NippleReservoir TankFIGURE 18 - Frame Mounted Relay ValveECURela

16ToECU/ModulatorValvePowerCableECU SideTrailerSideToNoseBoxFIGURE 19 - Inline Power ConnectorABS ABS5 PinWeatherpackOne Bayonett Connectorat Relay Va

17DiagnosticPortTo FrameDiagnosticPort BracketFIGURE 21 - Diagnostic Port Installation (Standard)ABS23.6"(600mm)5.9"(160mm)RearofTrailerRear

18GladhandGladhandTEV or STEVSpring BrakeControlRes. Res.EmergencyBrakeChamberServiceBrakeChamberABSECU3/4" Heavy WallSteel Pipe NippleSupply Lin

19Front3/8" O. D. Nylon Tubing3/8" O. D. Nylon Tubing (Alt. 1/2" O. D.)3/8" I. D. HoseKey2S-2MAir System Configuration (Top View)G

2Tractor and trailer ABS systems operate independently ofeach other. Therefore, systems will work together properlyeven if they are not supplied by t

20Front3/8" O. D. Nylon Tubing3/8" O. D. Nylon Tubing (Alt. 1/2" O. D.)3/8" I. D. HoseKey4S-2M Side ControlAir System Configuratio

21Front3/8" O. D. Nylon Tubing3/8" O. D. Nylon Tubing (Alt. 1/2" O. D.)3/8" I. D. HoseKey4S-2MAxle ControlAir System Configuration

22End-Of-Line DiagnosticsAutomatic System Configuration:The Bendix® A-18™ trailer ABS system automaticallyconfigures itself to any valid ABS system in

23ABS ComponentHarness ConnectorShellHarness Terminal Wire Seal Lock PlugECU Deutsch DT (Deutsch) Socket (Deutsch) W12S-P012 (Deutsch) 114017 (Deutsch

24FIGURE 28 - Brake System Troubleshooting ChartTroubleshooting and Fault CodesAn important feature of the Bendix® A-18™ trailer ABSsystem is the diag

251. System INFOPart No.DateSerial No.Software No.System Configuration2. Fault CodesRead Fault CodesClear Faults Codes5. System SetupEatonABSPress Ent

26FIGURE 30 - ServiceRanger Menus & Hardware Setup1. Monitor DataWheel SpeedsCut-Out SpeedsInput VoltagesSwitch States2. Retrieve Fault CodesRetri

27FIGURE 32 - Valve Pin Identification and Resistance ChartTroubleshooting ProceduresABS Valve TroubleshootingFollow the steps listed below to locate

28X2 BlackCoding B121112103948576X1 GreyCoding A121112103948576X1 GreenCoding C121112103948576BASICHarness Connector Pin Circuit DescriptionX1 Green (

29FEDCBAShort TerminalsAand E and ReleasetoAccess the Configuration CodeCONFIGURATION CODESGen-4Blink Code Configuration1 2S-1M2 2S-2M3 4S-2M Side to

3FIGURE 2 - Air Timing Requirements ChartGeneral Air Brake RequirementsBasic design requirements for trailer air brake systems areset forth in FMVSS-1

30Jump PinsAand Eand ReleaseTo AccessBlink CodesBASIC SYSTEM STANDARD SYSTEMABSECUABSWiring HarnessJumperTrailerFrameWith ignition ON, jump the diagno

31FIGURE 37 - Gen 4™ ABS Diagnostic Trouble Code Chart Check sensor resistance (1500-2500 ohms).

32Blink Code1st 2nd1222222333333444444555555888888889999999910101015161617171123456123456123456123456123456781234567891011all121012No trouble found.Se

33Ref. DescriptionHLDBCMNBCMNAHLDAGNDECUVECUVBLRef. DescriptionGNDDIAVDIASSA-SSA+SSB-SSB+RELB1587-NC1587+RELASSD+WLT+SSD-NCCSSC+SSC-Pin#12345678910111

34FIGURE 40 - 2S-1M Electrical ConnectionsECUX1-CODING C (GREEN)Top–Looking into HarnessRed(Brake Light Power)White (Ground)Blue (Switched 12VConstant

35FIGURE 41 - 2S-2M Electrical ConnectionsECUX1-CODINGA (GREY)X2-CODING B (BLACK)VDIA2111587+GND112DIA1587-SS310A-SSD+49SSA+SSD-58SSB-SSC+67SSB+SSC-To

36FIGURE 42 - 4S-2M Side Control and Axle Control Electrical ConnectionsECUX1-CODINGA(GREY)X2-CODING B (BLACK)CMNCMNBHLD123456121110987BAHLDAGNDECUVEC

37FIGURE 43 - Electrical Schematic

38ABS — Antilock Brake System. A control system that maintainswheel slip at a level that minimizes stopping distance whilemaintaining lateral stabili

39

43/4"ReservoirPort1/4"Supply Port1/4"ControlPort3/8"DeliveryPorts3/8"Delivery PortsTEV3/4"ReservoirPort1/4" Supply

40BW2262 © 2004 Bendix Commercial Vehicle Systems LLC. All rights reserved. 5/2004. Printed in U.S.A.

5Speed sensorsmonitor wheelrotationSpeed signalto ECUECU interpretsspeed signalsand activates valvesHold and release solenoidscontrol air pressure in

6Independent RegulationThe most obvious control concept is independent wheelcontrol. In this case a single sensor controls a valve thatoperates the b

7SemiTraileror1stTrailer1st2ndor3rdTrailerTrailerDollySystemApplication Chart(1) (1)(1) (1) (1)(1)(1)(1)(1)(1)(2)(2)(2)(2)(1) (1)(1) (1)(1) (1) (1)(1)

8Trailer ABS Component OverviewBendix® A-18™ trailer ABS system includes the followingcomponents:• Electronic Control Unit (ECU): The ECU monitorswhee

9FIGURE 6 - ABS Trailer Components