1Standard FramePremium FramePremium CabStandard Cab SD-13-4863Bendix® EC-60™ ABS / ATC Controllers (Standard & Premium Models)FIGURE 1 - EC-60™ CO
10Reconfi guring EC-60™ ControllersSYSTEM CONFIGURATION The EC-60™ controller is designed to allow the technician to change the default system settings
11Troubleshooting: GeneralSAFE MAINTENANCE PRACTICESWARNING! PLEASE READ AND FOLLOW THESE INSTRUCTIONS TO AVOID PERSONAL INJURY OR DEATH:When working
12FIGURE 10 - EXAMPLE OF BLINK CODE MESSAGETroubleshooting: Blink Codes and Diagnostic ModesBLINK CODESBlink codes allow a technician to troubleshoot
13Active Diagnostic Trouble Code Mode For troubleshooting, typically the Active and Inactive Diagnostic Trouble Retrieval Modes are used. The technic
14Using blink codes, the technician may review all inactive trouble codes stored on the ECU. The ABS indicator lamp will display inactive diagnostic
15USING HAND-HELD OR PC-BASED DIAGNOSTICSTroubleshooting and diagnostic trouble code clearing (as well as reconfi guration) may also be carried out usi
16LED Diagnostic Trouble CodesFIGURE 12 - DIAGNOSTIC TROUBLE CODESLFT - LeftRHT - RightDRV - Drive AxleADD - Additional STR - Steer AxleVLT - Po
17Active or Inactive Diagnostic Trouble Codes:INDEXHow to interpret the fi rst digit of messages received when Active or Inactive Diagnostic Trouble Co
18Troubleshooting Diagnostic Trouble Codes:Wheel Speed Sensors 2 Left Steer Axle Sensor 3 Right Steer Axle Sensor 4 Left Drive Axle Sensor 5 Right
19Cab-mount ECU: Looking into wire harness connectorFrame-mount ECU: Looking into wire harness connector Connector Pin Wheel Speed Sensor Location
2Delivery (Port 2) Supply (Port 1) Exhaust (Port 3) Electrical ConnectorM-32QR™ModulatorM-32™ModulatorCOMPONENTSThe EC-60™ controller’s ABS function u
20Troubleshooting Diagnostic Trouble Codes:Pressure Modulator Valves 7 Left Steer Axle 8 Right Steer Axle 9 Left Drive Axle 10 Right Drive Axle
21Pressure Modulator Valve Repair Tests:1. Take all measurements at ECU harness connector pins in order to check wire harness and PMV. Probe the con
22Troubleshooting Diagnostic Trouble Codes:Traction Control Valves 18 Traction Control Valve1st. BlinkCodeLocation 2nd. Diagnostic Blink Trouble Co
23Troubleshooting Diagnostic Trouble Codes: Power Supply 6 Power Supply1st. BlinkCodeLocation 2nd. Diagnostic Blink Trouble Code Code Description
24 11 J19391st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes: J1939 Serial Communications 2nd. Diagnostic Blink Trouble Code Code
25Troubleshooting Diagnostic Trouble Codes:ECU 13 ECU1st. BlinkCodeLocation 2nd. Diagnostic Blink Trouble Code Code Description 2 ECU (10) 3
26 12 Miscellaneous1st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes: Miscellaneous 2nd. Diagnostic Blink Trouble Code Code Descri
27Miscellaneous Troubleshooting Test Measurement Stop Lamp Switch to Ground 9 to 17 VDCFor all tests below, take all measurements at ECU harness co
28Standard Cab X1 Connector Pin AssignmentsPin Designation Pin Designation Pin Designation1 Ground 7 J1939 Low 13 J1587 (B)2 Trailer ABS WL 8
29Standard Frame X2 Connector Pin Assignments Pin Designation Pin Designation Pin Designation1 WSS DA Left (+) 7 PMV SA Left HLD 13 PMV SA Left
3Alternatively, the part number shown on the ECU label can be identifi ed as a PLC or non-PLC model by calling the Bendix TechTeam at 1-800-AIR-BRAKE (
30Premium Cab X2 Connector Pin Assignments Pin Designation Pin Designation Pin Designation1 PMV SA Left HLD 7 PMV SA Right REL 13 PMV DA Right RE
31Premium Frame Model EC-60™ Controller Premium Frame X3 Connector Pin Assignments Pin Designation Pin Designation Pin Designation1 Input/Output 4
32ABS/ATC WIRING CAB ECU Wiring Harness ConnectorsThe in-cab EC-60™ controllers are designed to interface with AMP MCP 2.8 connectors as referenced in
33 ABS Component Connector Wire Wire Seal/ Terminal Terminal Terminal Plug Lock Crimp ToolFrame Controller Harness15-WayDeutsch(X1)1
34Wheel Speed Sensor WiringRoute sensor wiring coming out of the wheel ends away from moving brake components. Sensor wiring needs to be secured to t
35WSS_DR+WSS_DR-WSS_DL+WSS_DL-1314781617132189101115 1830APMV_DR_HLDPMV_DR_RELPMV_DR_CMNPMV_DL_HLDPMV_DL_RELPMV_DL_CMNPMV_SR_HLDPMV_SR_RELPMV_SR_CMNPM
36FIGURE 17 - PREMIUM CAB WIRING SCHEMATIC (6S/6M)Troubleshooting: Premium Cab Wiring Schematic (6S/6M)* Pressure Modulator ValvesConnector Twist-Lock
37FIGURE 18 - PREMIUM CAB WIRING SCHEMATIC (6S/5M)Troubleshooting: Premium Cab Wiring Schematic (6S/5M)* Pressure Modulator ValvesConnector Twist-Lock
38FIGURE 19 - STANDARD FRAME WIRING SCHEMATIC (4S/4M)Troubleshooting: Standard Frame Wiring Schematic (4S/4M)* Pressure Modulator ValvesConnector Twis
39FIGURE 20 - PREMIUM FRAME WIRING SCHEMATIC (6S/6M)Troubleshooting: Premium Frame Wiring Schematic (6S/6M)* Pressure Modulator ValvesConnector Twist-
4ABS Off-Road Switch and Indicator Lamp OperationWARNING: The ABS off-road mode should not be used on normal, paved road surfaces because vehicle sta
40FIGURE 21 - PREMIUM FRAME WIRING SCHEMATIC (6S/5M)Troubleshooting: Premium Frame Wiring Schematic (6S/5M)J1587 BJ1587 AJ1939_LOJ1939_HIBATTERYRETARD
41ABS — Antilock Brake System.ABS Event — Impending wheel lock situation that causes the ABS controller to activate the modulator valve(s).ABS Indicat
42 1. . . . . . . 1 . . . . . . Wheel Speed Sensor . . . . . . . . .2. . . . . . . . . . . . .1. . . . . . . . . . . . . SA Left WSS Excessive Air G
43 42 . . . . . . 3 . . . . . . Pressure Modulator Valve . . . . .7. . . . . . . . . . . . .5. . . . . . . . . . . . . SA Left PMV HLD Solenoid S
44BW2428 ©2007 Bendix Commercial Vehicle Systems LLC • All Rights Reserved • 12/07 • Printed in U.S.A.
5Trailer ABS Indicator Lamp ControlCertain models of the EC-60™ controller activate a trailer ABS Indicator Lamp (located on the dash panel) that indi
6ECU Confi guration TestWithin two seconds of the application of ignition power, the ECU will perform a test to detect system confi guration with regard
7Normal BrakingDuring normal braking, brake pressure is delivered through the ABS PMV and into the brake chamber. If the ECU does not detect excessiv
84. In response to a serial communications request from a diagnostic tool.5. During brake torque limiting to avoid overheating of the brakes.6. Whe
9The ABS response sensitivity is reduced when the actual rolling circumference is excessive on all wheels. For a 100 tooth exciter ring, the minimum
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