predetermined cab and sleeper circuits. These cir-
cuits will remain off until the LVD measures 13.0
volts applied to the system, which can be done by
starting the engine. After the engine is started, the
system will reset.
All vehicles equipped with LVD have a sticker on the
dash indicating the presence of the system. Another
sticker is located inside the right-hand door frame
behind the seat, along with the LVD module. The
LVD module is located on the engine tunnel, behind
the lower right-hand dash panel.
Automatic Engine Idler/Timer,
Optional
A Henke automatic engine idler/timer allows the
driver to select the idle time required for engine shut-
down. The driver can turn off the ignition, remove the
ignition key, lock the vehicle, and leave it with the
engine idling; the automatic timer will shut the engine
off at the end of the selected time.
Meritor
™
WABCO
®
Antilock Braking
System (ABS)
The Meritor WABCO Antilock Braking System (ABS)
has a tractor warning light (TRACTOR ABS) and, if
equipped with automatic traction control (ATC), a
wheel spin indicator light (WHEEL SPIN). See
Fig. 2.44.
After the ignition switch is turned on, the tractor
warning light (TRACTOR ABS) and (if equipped) the
wheel spin (WHEEL SPN) indicator light come on for
about three seconds. After three seconds, the lights
go out only if all of the tractor’s ABS components are
working.
IMPORTANT: If any of the ABS warning lights
do not work as described above or come on
while driving, repair the ABS system immedi-
ately to ensure full antilock braking capability.
Vehicles with ABS may also have automatic traction
control (ATC). On these vehicles, the ATC system
automatically limits wheel spin when power is applied
to the drive axles during reduced-traction situations.
If the vehicle has ATC, there will be a momentary
contact rocker switch on the dash labeled NORM/
SPIN and ATC.
When the ATC system is in the NORMAL mode, it
will apply gentle braking to the spinning wheel, to
force power to the wheel(s) with better traction. If
both wheels are spinning, the system will signal the
electronic engine to reduce power.
Pressing NORM/SPIN will temporarily allow more
drive wheel spin to help burn through a thin layer of
ice or to help throw off accumulated mud or snow.
SPIN mode is indicated by a flashing WHEEL SPIN
light. Pressing NORM/SPIN again will cycle the sys-
tem back to normal operation.
See the brake system operating instructions in Chap-
ter 6 for more information.
Lane Guidance
™
System Rocker
Switch, Optional
The lane departure warning system is controlled by a
dash-mounted rocker switch that toggles the system
on and off. Additional information is detailed later in
this chapter.
Collision Warning System
(CWS), Eaton VORAD EVT–
300, Optional
The Eaton VORAD EVT–300 is a computerized colli-
sion warning system (CWS) that uses front-mounted
and side-mounted (optional) radar to continuously
monitor vehicles ahead and alongside your vehicle.
The system warns of potentially dangerous situations
by means of visual and audible alerts. The system
performs in fog, rain, snow, dust, smoke, and dark-
ness. To be detected, objects must be within the
radar beam’s field of view and provide a surface area
that can reflect back the radar beam.
The front-looking antenna assembly transmits radar
signals to and receives them back from vehicles and
FASTEN SEATBELTS
0000432 MILES
2
f601125
04/02/96
1
1. Tractor ABS Warning 2. Wheel Spin Indicator
Fig. 2.44, ABS Warning and Indicator Lights (standard)
Instruments and Controls Identification
2.33
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