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Knorr-Bremse Group
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Doc. No. Y250910 (EN - Rev. 001)
September 2016
DATA
P r o d u c t
C o m m e r c i a l V e h i c l e S y s t e m s
KB4TA / KB4TA D System Diagnostics
Doc. No. Y250910 (EN - Rev. 001)
September 2016
PD-203-390
Function
The term
‘Diagnostics’
is an all-embracing name
which may be applied to any device or program which
is able to provide status information in a format that is
understandable to the user. With respect to the KB4TA/
KB4TA D the following options provide different levels of
diagnostics:
• Warning lamps
• ECU
talk
®
diagnostic program
Initial indication of a potential error or condition is
generally displayed to the driver by means of a warning
lamp(s) in the cab of the towing vehicle. This includes
detectable faults within the braking system and auxiliary
functions.
Operation
Warning lamp signals
It is a requirement that towing vehicles shall have a yellow warning lamp that is controlled by the trailer braking
system or anti-lock braking system via Pin 5 of the ISO 7638 connector.
Diagnostic Program ECU
talk
®
ECU
talk
®
is a software platform produced specifically to assist the user in the configuration, fault diagnosis and
system check of KB4TA/KB4TA D and other Knorr-Bremse trailer electronically controlled products. Its functionality
includes:
• System parameterisation
• Reading configuration data from the ECU.
• End of Line (EOL) test
• Fault diagnosis
• Trouble shooting by use of the “System Check” function
• Reading of “Operational Data”
• Creation and storing of EOL test reports, fault records and load sensing plate labels.
UDIF
INTERF
A
CE
Po
w
er
Sta
tus
A
B
SY
STEM
DIA
GNOSTICS
Y026787: 006: EN: Released: Fri Nov 11 11:18:50 CET 2016:
