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™ 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 configuration

•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.

LED lights illuminate Diagnostic

Trouble Codes

(10 LEDs)

Figure 15 - The Bendix® Trailer Remote Diagnostic Unit

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 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 7-pin to 7-pin adapter (See Figure 17) 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-configuration 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

Lap Top Computer

Parallel or Serial

Cable

J1708/J1587

or J1939

PDM (RP-1210A)

VLT -

Power

ECU -

ABS Controller

SEN -

Wheel Speed

 

Sensor

MOD1 -

Modulator 1

MOD2 -

Modulator 2

Example: If the Diagnostic Trouble Code is "Right Additional Sensor", the TRDU™ tool will display one green and three red LEDs

MOD3 - Modulator 3

LFT - Left

RHT - Right

ADD - Additional

ODO - Odometer

LEDs

Green

VLT

Blue

ODO

All

others

are

Red

FIGURE 14 - Bendix ABS Diagnostic Software

FIGURE 16 - DIAGNOSTIC trouble COdes

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BENDIX TABS-6 TRAILER ABS MODULE Using hand-held or pc-based diagnostics, Bendix Trdu Trailer Remote Diagnostic Unit Tool