Bendix Commercial Vehicle Systems MC-30 TRAILER ABS CONTROLLER - Manual

1
SD-13-4834
MC-30 ™ CONTROLLER INTRODUCTION
The MC-30 ™ controller is the Bendix antilock braking system
(ABS) controller assembly intended for application on air
braked heavy duty trailers, semi-trailers and dollies.
The Bendix ® MC-30 ™ controller features an integral LED
diagnostic display with magnetic reset for easy diagnostics
and fault code clearing. Blink code diagnostics are standard
and advanced diagnostic tool support is also available.
The MC-30 ™ controller supports PLC communication
for indicator lamp, full diagnostics capability and other
customized features.
The ABS function of the MC-30 ™ controller is designed to
provide a towed vehicle with improved stability and control
during braking while providing the maximum available
braking force.
Bendix ® MC-30 ™ Trailer ABS Controller Assembly
FIGURE 1 - MC-30 ™ CONTROLLER TANK (NIPPLE)
MOUNT ASSEMBLY
Supply Port
1/2" NPT
ABS Modulator
Connector
(MOD1)
Delivery 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 ™ Controller Comparison to MC-12 ™ Modulator. .2
MC-30 ™ Controller Assemblies. . . . . . . . . . . . . .2
MC-30 ™ Controller with PLC . . . . . . . . . . . . . . .2
Wiring Harness (Pigtail) . . . . . . . . . . . . . . . . .3
Power and Ground . . . . . . . . . . . . . . . . . . . .5
ABS Indicator Lamp . . . . . . . . . . . . . . . . . . .5
Wheel Speed Sensors . . . . . . . . . . . . . . . . . .5
M-30T ™ ABS Modulator-Valves . . . . . . . . . . . . .6
J1708/J1587 Diagnostic Link . . . . . . . . . . . . . .6
Auxiliary I/O . . . . . . . . . . . . . . . . . . . . . . .6
MC-30 ™ Controller Power-up Sequence . . . . . . . . .7
ABS Operation . . . . . . . . . . . . . . . . . . . . . .7
Self-Confi guration/Control Toggle . . . . . . . . . . . .8
Other
Confi gurable Parameters . . . . . . . . . . . . 11
Odometer Function. . . . . . . . . . . . . . . . . . . 11
Fault Detection . . . . . . . . . . . . . . . . . . . . . 11
MC-30 ™ Controller Diagnostic Display . . . . . . . . . 12
Blink Code Diagnostics . . . . . . . . . . . . . . . . 13
Bendix ABS Diagnostic Tools . . . . . . . . . . . . . 16
Contacting Bendix . . . . . . . . . . . . . . . . . . . 16
Correct Maintenance Practices . . . . . . . . . . . . 16
Servicing the MC-30 ™ Controller . . . . . . . . . . . . 17
Replacing the EC-30T ™ Controller . . . . . . . . . . . 17
Overhaul of the Relay Valve . . . . . . . . . . . . . . 17
MC-12 ™ Modulator / MCE-12 Service-Replacement . . 17
Reinstallation of the MC-30 ™ Controller or
M-30T ™ Modulator-Valve . . . . . . . . . . . . . . . . 18
Leakage and Operational Tests . . . . . . . . . . . . 18
ABS Wiring . . . . . . . . . . . . . . . . . . . . . . . 18
Troubleshooting Flowcharts . . . . . . . . . . . . . . 24
Product Revision / Feature Introduction . . . . . . . . 32