User's Manual

19
How the Bendix
®
TRDU
™
Tool Operates
WhentheTRDUtoolispluggedintotheadapter—andthe
adapter/TRDUtoolisinstalledbetweenthetrailerconnector
andtheJ560connectorofthetowingvehiclethathasthe
ignitionon—alltheLEDswillilluminate,andthegreen
LEDwill ash4 timesto indicatecommunications have
been established.
IftheABSECUhasnoactiveDiagnosticTroubleCodes
(DTCs),onlythegreenLEDwillremainilluminated.
IftheABSECUhasat leastone activeDTCtheTRDU
tooldisplaystherstDTCbyilluminatingtheredLEDs,
indicating the malfunctioning ABS component and its
locationonthevehicle.(SeeFigure13.)
FIGURE 13 ‑ THE BENDIX
®
TRDU
™
TOOL DISPLAY
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
Example:IftheDTC
is "Right Additional
Sensor",theTRDU
™
tool
will display one green
andthreeredLEDs
LEDs
Green
VLT
Blue
ODO
All
others
are
Red
FIGURE 14 ‑ DIAGNOSTIC TROUBLE CODES USING THE
BENDIX
®
TRDU
™
TOOL
IftherearemultipleDTCsontheABSsystem,theTRDU
tool willdisplay one DTCrst, then once thatDTC has
been repaired and cleared, the next code will be displayed.
TheTRDUtoolrepeatedlyblinksoutthemileagestored
once communications have been established. By counting
thesequenceofblinksand/orstrobesontheblueLED,the
odometerreadingisgiven.SeeSection10formoredetails.
• VLT (Flashing indicates either over- or under-voltage
condition)
TopinpointtherootcauseandtoensurethesystemDTCis
properlycorrectedthersttime,additionaltroubleshooting
may be necessary.
Note:WhenaTRDUtoolisconnectedtoasystemwith
a Bendix
®
TABS‑6
™
Adv module, and has established
communications,theECUwillusetheABSindicatorlamp
toblinkcodesforallactiveDTCs.
Bendix TRDU Tool Reset Function
The magnetic reset switch is located by the letter "B" in the
BendixlogoonthetopoftheTRDUtool.Whenamagnet
(with minimum of 30 gauss) is held over theswitch for
lessthan6secondsthe"clearDTCs"commandissent.
(If a magnet is not available, you may use a spare wheel
speedsensor,sinceitsinternalmagnetwillbesufcient.)
Additionally, it is recommended at the end of any inspection
that the technician switches off and restores the power to
theABSECU,andthenre-checkstheABSindicatorlamp
andTRDUtooltoseeiftheyindicateanyremainingDTCs.
Bendix
®
Trailer Information Module
The Bendix Trailer Information Module is a display device
that combines the functionality of system diagnostics
with the ability to display and store other trailer‑related
information of value to an operator, driver or workshop.
Maximumbenetisobtainedfromthemodulefunctionality
when it is mounted on the trailer so that it is able to record
events that occur during driving. Alternatively, it may also be
used as a workshop tool to access diagnostic information or
tocheckthecongurationorrunaninstallationtest.Inboth
casesthemoduleisconnectedtotheJ19395VTI(CAN)
connection of the auxiliary connector which supplies the
necessary information.
FIGURE 15 ‑ TRAILER INFORMATION MODULE
ADDITIONAL SUPPORT AT
www.bendix.com
For the latest information, and for free downloads of literature
and the Bendix
®
ACom
®
diagnosticssoftware,anditsUser
Guide, visit the Bendix website at www.bendix.com.
Bendix Technical Assistance Team
For direct personal technical support, call the Bendix
technical assistance team at 1‑800‑AIR‑BRAKE(1-800-
247-2725),MondaythroughFriday,8:00a.m.to6:00p.m.
EST.
Alternatively, you may e‑mail the Bendix Tech Team at:
[e-mail].