BENDIX MC-30 TRAILER ABS CONTROLLER Page 14 Manual Download | Manualshive

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14

CHART 11 - MC-30

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CONTROLLER BLINK CODE DEFINITIONS (1 of 2)

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Summary of Contents for MC-30 TRAILER ABS CONTROLLER

Page 1: ...very Ports 3 8 NPT x4 LED Diagnostic Display 30 Pin Connector Control Port 1 4 NPT For updates to this Service Data Sheet please visit www bendix com TABLE OF CONTENTS PAGE Components 2 MC 30 Controll...

Page 2: ...Effective March 1 2001 all towed vehicles must transmit a signal to control an in cab trailerABS indicator lamp Trailers built after this date will transmit the status of the trailerABS unit over the...

Page 3: ...or Lamp Connector The MC 30 controller pigtail utilizes the TTMA RP 97 99 5 pin Packard Weather Pack connector for brake light power constant power ground and the trailer mountedABS indicator lamp The...

Page 4: ...ator 2 MOD2 3 Pin Modulator 1 MOD 1 4 Pin Diagnostic DIAG 5 Pin Power and Indicator Lamp PWR WL 2 Pin Wheel Speed Sensors ECU Connector Jackscrew Tighten to 15 20 in lbs Left Rear LFT RER Right Rear R...

Page 5: ...from 100 tooth tone rings by default Vehicle axle and ABS control configurations determine if two or four wheel speed sensors must be used See the MC 30 controller s electrical system schematic for wh...

Page 6: ...hassis Mounted The M 30T modulator valve bracket mount assembly is mounted directly to the trailer frame rail or crossmember See Figure 12 The bracket studs are secured using three 5 16 18 nuts and lo...

Page 7: ...de In the case of an unbalanced braking surface MC 30 controller side control will individually control each side just under the lock limit Side control is available in 2S 2M and 4S 2M installations N...

Page 8: ...oup B When activated the MC 30 controller will toggle theABS control between axle control and dolly axle control or side control When a self configuration occurs without an ABS control toggle the ABS...

Page 9: ...on using the LEDs or blink codes 4S 2M Side to 2S 1M Axle CHART 7 EXAMPLES OF SELF CONFIGURATION AND ABS CONTROL TOGGLE 1 of 2 Your dolly or steer axle has two wheel speed sensors and one ABS modulato...

Page 10: ...ation using the LEDs or blink codes 4S 2M Axle to 2S 2M Axle CHART 7 EXAMPLES OF SELF CONFIGURATION AND ABS CONTROL TOGGLE 2 of 2 Your trailer has two wheel speed sensors and two ABS modulators that a...

Page 11: ...aking Voltage Fault While voltage is out of range ABS function is disabled The system reverts to normal braking When the correct voltage level is restored full ABS function is available Operating volt...

Page 12: ...he active fault code and LEDs can be reset by briefly holding a magnet in place at the RESET location of the diagnostic display See Figure 13 All of the LEDs will be on while the magnet is held in pla...

Page 13: ...dal four times Following activation there will be a 5 second delay followed by a blink code display of all history fault codes See chart 11 Reset Active Fault Codes To reset active fault codes apply i...

Page 14: ...14 CHART 11 MC 30 CONTROLLER BLINK CODE DEFINITIONS 1 of 2...

Page 15: ...15 CHART 11 MC 30 CONTROLLER BLINK CODE DEFINITIONS 2 of 2...

Page 16: ...ord the following information before calling the Bendix Tech Team Bendixproductmodelnumber partnumberandconfiguration vehicle make and model Vehicle configuration Number of axles tire size etc System...

Page 17: ...n ECU connector and the 3 pin modulator connector from the MC 30 controller 2 Remove the MC 30 controller from the vehicle if necessary 3 Note the EC 30T controller position on the MC 30 controller as...

Page 18: ...is permitted Check the relay exhaust port and the area around the retaining ring with the trailer service brakes fully applied A single 1 bubble within 3 seconds is permitted If excessive leakage is...

Page 19: ...8 00 N A WM 2S Sensor Side WM 2P Pigtail Side 12034145 460 202 20141 P Side of Connector N A 12014254 for Weather Pack Terminals 12014012 for Weather Pack Terminals 12048159 18 16 GA Deutsch DTM Serie...

Page 20: ...20 FIGURE 16 MC 30 CONTROLLER ELECTRICAL SYSTEM SCHEMATIC...

Page 21: ...Power C NC D Warning Lamp E Ground C E B A D Ignition Power Brake Light Power Ground 7 Pin Connector 2S 2M SIDE CONTROL ABS Light MC 30 MOD1 MOD2 Pigtail Harness Trailer Chassis Harness Left Front WS...

Page 22: ...Connector 5 Pin Connector A Brake Light Power B Ignition Power C NC D Warning Lamp E Ground C E B A D ABS Dual Axle Trailer 4S 2M AXLE CONTROL Trailer Chassis Harness MOD2 NOTE For axle control MOD1...

Page 23: ...a piping schematic only not a construction drawing Components and configuration are designed to enable compliance with FMVSS 121 PR 3 Coupling Control TR 3 DC 4 SV 4 Coupling Supply AntiLock Control...

Page 24: ...ays begin by observing the ABS indicator lamp during the MC 30 controller power up sequence If it is necessary to make electrical measurements always begin by taking voltage and resistance measurement...

Page 25: ...come on Note Only towing vehicles built after March 1 2001 will be required to have a trailer ABS indicator lamp The trailer ABS indicator lamp located on the vehicle dash is only activated by a PLC s...

Page 26: ...LED is on Troubleshoot the power supply to the MC 30 controller Go to Section F With power off to the MC 30 controller disconnect the 30 pin connector Verify continuity from pin D3 of the 30 pin conne...

Page 27: ...er ABS indicator lamp and fuse When repair is made reconnect the 30 pin connector to the EC 30 controller and rerun the power up sequence Go to Section A 1 2 3 K J H G F E D C B A EC 30 Controller 30...

Page 28: ...er is receiving very low or no voltage The ECU LED may be on in this case Go to Section F Wheel Speed Sensor Fault The red SEN LED is on to indicate a fault condition with a wheel speed sensor The exa...

Page 29: ...power supply Turn off power to the MC 30 controller and disconnect the 30 pin connector Supply ignition power to the trailer and measure voltage between pin E1 and ground pin D2 at the 30 pin connect...

Page 30: ...sensor lead routing and clamping If a circuit fault is found isolate the area needing repair by repeating the measurements at all connections in the wheel speed sensor circuit Wheel speed sensor faul...

Page 31: ...ions If a circuit fault is found isolate the area needing repair by repeating the measurements at all connections in the ABS modulator circuit ABS modulator fault identified Dynamic ABS Modulator Faul...

Page 32: ...EL 756902350442 G002869 P N 5004358 R04 SERIAL G002869 REF 12207569 EC 30T CAPABLE OF 4S2M 2S2M 2S1M J1587 PLC ONE OR MORE U S PATENTS APPLY 4837552 ECU Part Number Serial Number Hardware Revision Num...

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