Bendix-commercial-vehicle-systems EC-13 TRAILER ANTILOCK CONTROL 8/07 Manuel d'utilisateur

1 SD-13-4783Bendix® EC-13™ Trailer AntiLock Controller AssemblyDESCRIPTIONGENERALBendix trailer antilock systems utilizing the EC-13™ electronic cont

10START HERESTATUS LAMP DOES NOT BLINK, COMES ON AND REMAINS ILLUMINATEDYESNOSTATUS LAMP COMES ON, BLINKS AND GOES OUT.THE SYSTEM IS FUNCTIONING NORM

11TroubleshootingSECTION I TRAILER STATUS LAMP TESTINGREPEAT THE “INITIAL START-UP PROCEDURE”.START HEREUSING A JUMPER WIRE CONNECT PIN 3F TO 1A AND/O

12TroubleshootingSECTION IIINSPECTION FOR ILLUMINATED LED’sYESYESGO TO SECTION IV “TESTING FOR POWER TO THE EC-13™ CONTROLLER”.NONOSTART HEREIS GREEN,

13TroubleshootingSECTION III INSPECTION FOR ILLUMINATED LEDS NOIS RED “SENS” LED ILLUMINATED? NOTE THE THREE ILLUMINATED LEDS AND GO TO SECTION VI “T

14TroubleshootingSECTION IVTESTING FOR POWER TO THE EC-13™ CONTROLLERTURN IGNITION OFF, DISCONNECT WIRE HARNESS CONNECTOR FROM EC-13™ CONTROLLER START

15SAME RED LED’s ILLUMINATED?NOYESYESARE ANY RED LED’s ILLUMINATED?INSPECT CONNECTOR AND RECONNECT TO EC-13™ CONTROLLER. TURN IGNITION ON AND PASS M

16TroubleshootingSECTION V PART B TESTING THE MODULATORMAGNET HERERESETTINGEC-13™CONTROLLERRESISTANCE IN RANGE?REPLACE M-12™MODULATOR ASSEMBLYGO TO SE

17TroubleshootingSECTION VI PART A TESTING THE WHEEL SPEED SENSORSTART HERETURN IGNITION OFF AND CHECK FOLLOWING:A. REMOVE CONNECTOR(S) FROM EC-13™ C

18TroubleshootingSECTION VI PART B TESTING THE WHEEL SPEED SENSORREPEAT THE “INITIAL START-UP PROCEDURE”.REPLACE THE EC-13™CONTROLLERYESARE ANY LED’s

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2WS-20™WHEEL SPEED SENSORReservoirReservoirSPRING BRAKESUPPLY (EMERGENCY) LINECONTROL (SERVICE) LINETO TRAILER ELECTRICAL CONNECTORSPRING BRAKEM-12R™M

20BW1823 © 2007 Bendix Commercial Vehicle Systems LLC. All rights reserved. 8/07 Printed in U.S.A.

3M-12™ModulatorEC-13™ ControllerFIGURE 3 - TYPICAL MC-13™ MODULATOR CONTROLLER(EC-13™ CONTROLLER & M-12™ MODULATOR)WS-20™ Speed Sensor90 DegreeCon

4Solenoid valves contained in the modulator are energized and de-energized by the EC-13™ controller in order to modify the brake application. When a

512Wheel Speed Connector(to Sensor)Modulator Connector(to Modulator)Trailer Service Air LineTrailer Wiring Harness Connector3321WS-20™ Wheel Speed Sen

6EC-13™ ControllerM-12R™Modulator(Remote Mount)FIGURE 6 - EC-13™ CONTROLLER AND M-12R™ MODULATOR ASSEMBLY3. Road test the trailer by making an antilo

7Removing a Bracket Mounted Remote EC-13™ Controller:1. Disconnect the electrical connector (on the vehicle wiring harness) from the EC-13™ controlle

8NOTE: The MID LED shown in the chart on the previous page is not used in the diagnostic process for the EC-13™ controller however, it will light whe

9IMPORTANT - TROUBLESHOOTING TIPS1. Record all fi ndings and the action taken during the troubleshooting process. The record sheet should be fi led in