Controls and Instruments 4-57
PA-1628Operator's ManualH3-45 COACH
SELF-DIAGNOSTIC AT START-UP
Initiate the self-diagnostic as follows:
l The engine must be running since at least 15
seconds with the parking brake applied.
l Trip the CRUISE rocker switch located on the
lateral control panel from OFF to ON position.
The following sequence will begin:
1. Pop-up message “Impact Alert” will show in
the DID;
2. The speedometer LEDs will flash in red;
3. FORWARD VEHICLE DETECTED telltale
will flash in red;
4. The Impact Alert audible alarm will sound.
At the end of the self-diagnostic sequence, pop-up
message «ACB SELF-CHECK OK» will show on
the DID if the system functions properly or «ACB
SELF- CHECK NOT OK» if a fault condition is
detected.
SYSTEM MALFUNCTION
In case of system malfunction, visual warnings will
illuminate in the instrument cluster or the driver
information display to warn the driver that the ACB is
disabled. In that situation, the Impact Alert and
Distance Alert functions are not available.
If the ACB is not available, the FORWARD
VEHICLE DETECTED telltale light will illuminate in
red and will stay on and “ACB NOT AVAILABLE”
pictogram will appear on the DID status line.
FORWARD VEHICLE DETECTED telltale light
ACB NOT AVAILABLE pictogram
For proper functioning of the system, the radar must
be perfectly aligned and not blocked. If a radar fault
condition is detected, one of the following pop-up
messages will show in the DID.
ACB RADAR MISALIGNMENT
ACB RADAR FAULT
ACB RADAR DATA LINK FAILURE
ACB RADAR BLOCKED
TIRE PRESSURE MONITORING
SYSTEMS (TPMS)
Two versions of tire pressure monitoring system are
available in option, TMPS-Lite and the On-Screen
TPMS
SYSTEM MALFUNCTION
In case of system malfunction, the following warning
pop-up message will show on the DID to warn the
driver that the TPMS might be disabled or unreliable.
Refer to Appendix D TPMS Troubleshooting Guide
for further details.
TPMS-LITE VERSION
TMPS-Lite provides the safety and convenience of a
TPMS in a discreet way. Low pressure and high
temperature warning thresholds are factory set. This
system has no dedicated display.
Instrument Cluster Alarms And Warnings
Visual and audible warnings turn on to indicate either
a low tire pressure or high tire temperature through
three different warning conditions:
1- LOW TIRE PRESSURE WARNING
flashing + on + audible warning
Indicates that tire pressure has reached a critical
threshold. This alarm will trigger if a tire pressure
falls below 40 psig. Stop the vehicle as soon as
possible.
2- HIGH TIRE TEMPERATURE WARNING
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