BENDIX MC-30 TRAILER ABS CONTROLLER User Manual

25
SECTION B - POWER-UP SEQUENCE -
DASH MOUNTED TRAILER ABS INDICATOR LAMP
Dash Mounted Trailer ABS
Indicator Lamp at Power-Up
Verify that a PLC trailer is connected to
the tractor via the 7-pin connector. Turn
ignition on and observe the trailer ABS
indicator lamp on the dash.
Verify that the dash mounted trailer
ABS indicator lamp illuminates within 2
seconds of ignition power being applied
to the vehicle.
YES
NO
The dash mounted trailer ABS indicator
lamp stays on. This is an indication that
the trailer ABS unit has a fault.
Go to Section A
If the trailer ABS lamp stays on with no
trailer connected,
Go to Section D.
Trailer ABS indicator lamp does not 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 signal
from a trailer or diagnostic tool. The
towing vehicle must be equipped with an
ABS unit with PLC.
Verify that a PLC signal is present on the
trailer ignition power lines. (Refer to the
MC-30
™
controller with PLC section of
this document).
If a PLC signal is present and the trailer
ABS lamp does not come on at power-up,
troubleshoot the dash mounted trailer
lamp circuit on the tractor.
If the tractor is equipped with an Bendix
EC-30
™
controller, Go to Section D.
Verify that the dash mounted trailer
ABS indicator lamp stays on for 2.5
seconds and then turns off.
NO
YES
The ABS unit is
functioning normally.
No service to ABS
components is needed.

BENDIX MC-30 TRAILER ABS CONTROLLER Specifications

General

Brand	BENDIX
Model	MC-30 TRAILER ABS CONTROLLER
Category	Controller
Language	English