Bendix Commercial Vehicle Systems TABS-6 TRAILER ABS MODULE - Manual (Page 13)

13
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 reconfi guration, may also be carried
out using hand-held or PC-based diagnostic tools such
as the Bendix
® Trailer Remote Diagnostic Unit (TRDU ™ ),
Bendix ® ACom ® Diagnostics software, or the ProLink tool.
BENDIX ABS DIAGNOSTIC TOOLS
Bendix ® ACom ® Diagnostic Software
Bendix ® ACom ® Diagnostic Software (version 4.0 or higher)
is an RP-1210A compliant PC-based diagnostic software
program that provides the highest level of diagnostic
support for the TABS-6 module. With Bendix
® ACom ®
Diagnostic Software, maintenance personnel can:
• Obtain fault information (both active and inactive faults)
• Retrieve event history
• Clear inactive faults and event history
• Verify ECU confi guration
• Perform system and component tests
• Read/write customer information on scratch pads
• Save and print information
• Receive troubleshooting assistance
When diagnosing the TABS-6 module using a PC and
Bendix
® ACom ® Diagnostic Software, the computer’s serial
or parallel port can be connected to the vehicle’s diagnostic
connector through a RP-1210A compliant communications
device.
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.
FIGURE 10 - THE BENDIX ® TRAILER REMOTE
DIAGNOSTIC UNIT
LED lights
illuminate
Diagnostic
Trouble Codes
(10 LEDs)
Parallel or Serial
Cable
J1708/J1587
or J1939
Lap Top Computer
PDM (RP-1210A)
FIGURE 9 - BENDIX ABS DIAGNOSTIC SOFTWARE
Bendix ® TRDU ™ (Trailer Remote Diagnostic Unit)
Tool
The Bendix ® TRDU ™ tool provides the technician with
a visual indication of Antilock Braking System (ABS)
component Diagnostic Trouble Code (DTC) information.
The TRDU
™ tool is specifi cally 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 7-pin to 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 ECUs
by holding a magnet over the reset of the TRDU ™ tool
for less than 6 seconds.
• Initiate a self-confi guration event Mode used by Bendix ®
ABS ECUs by holding a magnet over the reset area for
greater than 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