Medium Duty Operator's Manual - Peterbilt Motors Company

CONTROLS AND DISPLAYS
2. Active Warnings, Number
Illuminates the total number of red and yellow
active warnings. Use the MCS to view the
active warnings if the display shows a > symbol.
3. Active Warnings, Triangle
Illuminates when an yellow warning is active.
Use the MCS knob to view the warnings that
are active. Refer to the preceeding Figure ,
“Warning Light / Indicator Symbols,” on
page 20 for warning color classification.
4. Alternator
Illuminates if the alternator is not charging.
(For alternators with warning lamp output
signal.)
INSTRUMENTS AND CONTROLS
5. Anti-Lock Brake System (ABS)
Illuminates during the Instrumentation System
Self Test. Have the ABS system checked
by a Peterbilt dealer if the ABS Warning
Lamp stays on for more than 3 seconds.
Illuminates during normal operating conditions
to indicate a problem with the ABS System.
See “ABS Warning Lamps” on page 104
for more information.
Illuminates when a problem exists with the
optional Wheel Spin Control feature. See
“Advanced ABS with Stability Control” on
page 106 more information.
6.Anti-Lock Brake System (ABS), Trailer
Illuminates during the Instrumentation System
Self Test and the tractor/truck is connected
with a ABS equipped trailer.
Medium Duty (R05/09) Y53-6008A – 23 –