7-8 SAFETY FEATURES AND EQUIPMENT
PA1628 H3-41, H3-45 Operator’s Manual
TIRE PRESSURE MONITORING SYSTEM (TPMS)
(OPTIONAL)
The coach may be equipped with the optional
Tire Pressure Monitoring System (TPMS).
Description
System includes the following elements:
Special tire valves;
RF sensor inside each tire, fixed to the valve;
3 antennas to receive the sensors RF signal
(one in the front spare tire compartment, one
above the L.H. side rear wheels and one
above the R.H. side rear wheels);
A TPMS receiver connected to the antennas
and located in the front electrical
compartment, above the CECM;
A TPMS display built in the L.H. dashboard
panel;
A “FLAT TIRE” telltale panel indicator.
The section of the special tire valves located
inside the tire is dome-shaped to allow fixing the
sensor.
Sensors provide continuous tire pressure and
temperature reading.
The normal sensor battery lifespan is 5 years.
The remaining lifespan is displayed as a
percentage in the TPMS display.
NOTE
It is recommended to check the remaining
battery lifespan when changing the tires in
order to replace the sensors at the same time
if they are due for replacement before the
next change.
The screw fixing the sensor to the valve can only
be used once because the threads are powder-
coated to lock the sensor in place and prevent
unfastening.
The telltale panel indicator illuminates for 3
seconds when the ignition switch is turned ON
to check the display operation and the
communication between the display and the
vehicle multiplex system. This confirms the
communication between the TPMS display and
CECM.
Settings Menu
Set Wheel ID
Learn Wheel ID
This menu allows learning new wheel sensors ID.
The user can learn only one wheel, several
wheels or all wheels of the vehicle. The sequence
automatically jumps to the next wheel such that
a user can initiate all wheels without having to
come back to the display between each wheel.
The display uses a pressure change as the
criteria to recognize which wheel sensor the
operator wants to get assigned to a given
location. The amount of pressure change
required is established at 2 PSI.
A pressure change of about 3 PSI is needed to
wake up a sensor and then an extra amount of
pressure change of 2 PSI is needed to trigger the
display. The operator has to create a pressure
change by at least 6 PSI and then wait for the
display to recognize the pressure change. The
wait time correspond to the sensor sampling
rate.
When entering the menu, the axle 1, wheel 1 is
selected by default as a starting point for the
learning. The user can select another axle with
+/- , move the cursor to the wheel number with
the right arrow and select another wheel with
the +/- or move the cursor down to the start
learning button.
Summary of Contents for H 2018 Series
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