BENDIX TABS-6 TRAILER ABS MODULE, Service Data, Page: 14 / 36

14
Troubleshooting: Using Hand-Held or
PC-Based Diagnostic Tools
USING HAND-HELD OR
PC-BASED DIAGNOSTICS
Troubleshooting and diagnostic trouble code clearing, as
well as beginning a reconfiguration, may also be carried
out using hand-held or PC-based diagnostic tools such
as the Bendix
®
Trailer Remote Diagnostic Unit (TRDU
™
),
Bendix
®
ACom
®
Diagnostic Software, or the ProLink
™
tool.
BENDIx ABS DIAGNOSTIC TOOLS
Bendix ® ACom ® Diagnostic Software
Bendix ACom Diagnostic Software (version 6.5 or higher)
is an RP-1210A compliant PC-based diagnostic software
program that provides the highest level of diagnostic
support for the Bendix
®
TABS-6
™
module. With Bendix
ACom Diagnostic Software, maintenance personnel can:
• Obtain Diagnostic Trouble Code (DTC) information
(both active and inactive DTCs)
• Retrieve event history
• Clear inactive DTCs and event history
• Verify Electronic Control Unit (ECU) configuration
• Perform system and component tests
• Read/write customer information on scratch pads
• Save and print information
• Receive troubleshooting assistance
When diagnosing the Bendix TABS-6 module using
a PC and Bendix ACom Diagnostic Software, the
computer’s USB port can be connected to the vehicle’s
diagnostic connector through an RP-1210A compliant PLC
communications adapter.
For more information on the Bendix ACom Diagnostic
Software, or RP-1210A compliant tools, contact Bendix or
refer to your local authorized Bendix parts outlet.
USB Cable
Noregon
Adapter
J2497 (PLC)
or J1939
Lap Top Computer
FIGURE 10 - THE BEndIx ® TRAILER REmOTE
dIAGnOSTIC UnIT (TRdU
™
)
LED lights
illuminate
Diagnostic
Trouble Codes
(10 LEDs)
FIGURE 10 - LAP-TOP COmPUTER WITH BEndIx ACOm
dIAGnOSTIC SOFTWARE
Bendix Trailer Remote Diagnostic Unit (TRDU)
Tool
The Bendix TRDU tool provides the technician with a visual
indication of Antilock Braking System (ABS) component
DTC information. The TRDU tool is specifically designed
for use with Bendix Trailer ABS systems and Bendix makes
no claims for its operation and/or usability with other brands
of trailer ABS.
Features of the Bendix TRDU Tool
The TRDU tool attaches to a seven (7)-pin to seven (7)-pin
adapter (See Figure 12) and then into the J560 of the towing
vehicle. The TRDU tool communicates across PLC.
The TRDU tool allows the technician to:
• Troubleshoot ABS system component problems using
Diagnostic Trouble Code reporting via LEDs.
• Reset Diagnostic Trouble Codes on Bendix
®
ABS
Electronic Control Units (ECUs) by holding a magnet
over the reset of the TRDU tool for less than
six (6) seconds.
• Initiate a self-configuration event Mode used by Bendix
ABS ECUs by holding a magnet over the reset area for
greater than six (6) seconds but less than 11 seconds.
LED Diagnostic Trouble Codes
VLT - Power
ECU - ABS Controller
SEN - Wheel Speed
Sensor
MOD1 - Modulator 1
MOD2 - Modulator 2
MOD3 - Modulator 3
LFT -
Left
RHT - Right
ADD - Additional
ODO - Odometer
FIGURE 11 - dIAGnOSTIC TROUBLE COdES
Example: If the Diagnostic
Trouble Code is "Right
Additional Sensor", the
TRDU
™ tool will display
one green and three red
LEDs
LEDs
Green
VLT
Blue
ODO
All
others
are
Red