BENDIX MC-12 MODULATOR CONTROLLER ASSY Información técnica

1ESP® is a registered trademark of DaimlerChrysler and is used by BCVS under license from DaimlerChrysler.®�SD-13-4869Bendix® EC-60™ ABS / ATC / ESP C

10are referred to as either an "under-steer" situation (where there is a lack of vehicle response to steering input due to tire slide on the

11To Maximize The Effectiveness Of ESP:• Loads must be properly secured at all times. • Drivers need to exercise extreme caution at all times, and a

12SYSTEM IMPACT DURING ACTIVE TROUBLE CODESABS PARTIAL SHUTDOWNDepending on which component the trouble code is detected, the ABS, ATC, and ESP

13Troubleshooting: GeneralSAFE MAINTENANCE PRACTICESWARNING! PLEASE READ AND FOLLOW THESE INSTRUCTIONS TO AVOID PERSONAL INJURY OR DEATH:When work

14For further information, contact either the vehicle manufacturer, Bendix or your local authorized Bendix dealer.1. Position and secure

15Diagnostics:The yaw rate sensor is only operational in conjunction with an Advanced ABS ECU. No independent diagnostics can be performed on the sens

16FIGURE 14 - EXAMPLE OF BLINK CODE MESSAGETroubleshooting: Blink Codes and Diagnostic ModesBLINK CODESBlink codes allow a technician to trouble

17Active Diagnostic Trouble Code Mode For troubleshooting, typically the Active and Inactive Diagnostic Trouble Retrieval Modes are used.

18Using blink codes, the technician may review all inactive trouble codes stored on the ECU. The ABS indicator lamp will display inactive diag

19Typical Combination Diagnostic Trouble Codes are:• Right steer sensor• Left steer sensor• Right drive sensor• Left drive sensor• Right addition

2The ESP system can only function within the limits of physics. ESP functionality mitigates potential vehicle stability incidents, but

20LED Diagnostic Trouble CodesFIGURE 16 - DIAGNOSTIC TROUBLE CODESLFT - LeftRHT - RightDRV - Drive AxleADD - Additional STR - Steer AxleVLT - Po

21Active or Inactive Diagnostic Trouble Codes:INDEXHow to interpret the first digit of messages received when Active or Inactive Diagnostic

22Troubleshooting Diagnostic Trouble Codes:Wheel Speed Sensors 2 Left Steer Axle Sensor 3 Right Steer Axle Sensor 4 Left Drive Axle Sensor 5 R

23Cab-mount ECU: Looking into wire harness connectorX 4 Connector Pin Wheel Speed Sensor Location X1 10 Right Drive Axle (+) 18 Way 11 Right

24Troubleshooting Diagnostic Trouble Codes:Pressure Modulator Valves 7 Left Steer Axle 8 Right Steer Axle 9 Left Drive Axle 10 Right Drive

25Pressure Modulator Valve Repair Tests:1. Take all measurements at ECU harness connector pins in order to check wire harness and PMV. Probe the con

26 Location Measurement TCV to TCV Common 7 to 19 Ohms Release, Hold, Common Open Circuit (no continuity) to Voltage or GroundTroubleshooting Di

27Troubleshooting Diagnostic Trouble Codes: Power Supply 6 Power Supply1st. BlinkCodeLocation 2nd. Diagnostic Blink Trouble Code Code Descript

28 11 J19391st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes: J1939 Serial Communications 2nd. Diagnostic Blink Trouble Code Co

29Troubleshooting Diagnostic Trouble Codes:ECU 13 ECU1st. BlinkCodeLocation 2nd. Diagnostic Blink Trouble Code Code Description 1 ECU (0

3CHART 1 - EC-60™ ADVANCED CONTROLLER FEATURES Input Sensors PMVs ATC ESP/ Blink PLC ABS ATC Retarder Voltage RSP Codes J1587

30 12 Miscellaneous1st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes: Miscellaneous 2nd. Diagnostic Blink Trouble Code Code De

31Miscellaneous Troubleshooting (continued) Test Measurement Stop Lamp Switch to Ground 9 to 17 VDCFor all tests below, take all measurement

32 21 Steering Angle Sensor1st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes:Steering Angle Sensor (SAS-60™ sensor) 2nd. Diagnosti

33Steering Angle Sensor Tests1. Measure resistance between input voltage and ground at the sensor wiring harness connector. Test Measurement Power

34 22 Yaw Rate Sensor1st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes:Yaw Rate Sensor (YRS) 2nd. Diagnostic Blink Trouble Code

35Troubleshooting Diagnostic Trouble Codes:Yaw Rate Sensor (YRS) (continued)Yaw Rate Sensor Tests1. Measure resistance between input voltage and grou

36 23 Lateral Acceleration Sensor1st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes:Lateral Acceleration Sensor (LAS) 2nd. Diagnost

37 24 Brake Demand/Load Sensors1st. BlinkCodeLocationTroubleshooting Diagnostic Trouble Codes Brake Demand/Load Sensors 2nd. Diagnostic Blink

38X2 Connector Pin Assignments Pin Designation Pin Designation Pin Designation1 PMV SA Left HLD 7 PMV SA Right REL 13 PMV DA Right REL2 PMV

39ABS/ATC WIRING ECU Wiring Harness ConnectorsThe Advanced EC-60™ controller is designed to interface with AMP MCP 2.8 connectors as referenced

4FIGURE 7 - POWER LINE WITH PLC SIGNALPLC SIGNAL An oscilloscope can be used to measure or identify the presence of a PLC signal on the

40 ABS Component Connector Wire Wire Seal/ Terminal Terminal Terminal Plug Lock Crimp ToolController Harness12-Way AMPMCP 2.8 (X4)17

41Wheel Speed Sensor WiringRoute sensor wiring coming out of the wheel ends away from moving brake components. Sensor wiring needs to be secured to t

421191119. CAN SENSOR WIRING - 1 SQ.MM (FOUR CONDUCTOR TWISTED WIRE REQUIRED).1. RETARDER CONTROL VIA RELAY OR SAE J1939.2. DIAGNOSTICS PER SAE J1587.

43ABS — Antilock Brake System.ABS Event — Impending wheel lock situation that causes the ABS controller to activate the modulator valve(s).ABS Indica

44 - . . . . . . . -. . . . . . . No DTCs . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . .1 . . . . . . . . . . No DTCs 1. .

45 53 . . . . . . 4 . . . . . . Pressure Modulator Valve DTCs . . . . . . . 17 . . . . . . . . .1 . . . . . . . . . . AA Right PMV REL Solenoid Sh

46 22 . . . . . . 7 . . . . . . Miscellaneous DTCs . . . . . . . . . . . . . . . .12. . . . . . . . 11 . . . . . . . . . Wheel Speed Sensors Rever

47 103. . . . . . 2 . . . . . . Yaw Rate Sensor DTCs . . . . . . . . . . . . .22 . . . . . . . . 12 . . . . . . . . . YRS Plausibility Check (Ref

48BW2429 ©2005 Bendix Commercial Vehicle Systems LLC • All Rights Reserved • 5/05 • Printed in U.S.A.

5Bendix® YAS-60™ Yaw Rate/Lateral Acceleration SensorThe Yaw Rate/Lateral Acceleration Sensor is used to provide the controller an indicatio

6(If you need to know if this EC-60™ controller uses a serial communications message to operate the lamp, e-mail [email protected], specifying the

7ABS OPERATIONBendix® ABS uses wheel speed sensors, ABS pressure modulator valves, and an ECU to control either four or six wheels of a veh

8WARNING: The ABS off-road mode should not be used on normal, paved road surfaces because vehicle stability and steerability may be reduce

9Bendix® Smart ATC™ Traction ControlThe EC-60™ controller has an additional feature known as Smart ATC™ traction control. Smart ATC™ traction control