Diagnostics Menu - PREVOST H3-45 VIP Owner's Manual

5-18 Other Features

DIAGNOSTICS MENU

The Diagnostics menu enables fault tracing on the control units in the vehicle to check for faults. Instrument
tests are available to check the telltales, gauges, display and speaker. The part number of a control unit can be
identified in the part number menu.
1. View Active Faults
A list of the control units on the vehicle is displayed. Use this function to
check for active faults on specific control units.
2. View Inactive Faults
Use this function to check for inactive faults on specific control units.
3. Cluster Selftest
Use this menu to check proper functioning of the following components:
Telltale lights
l
Analog gauges
l
Display
l
Speakers
l
The following table describes the available tests. To cancel a test, press the
ESC button).
Telltale lights Telltales illuminate for approximately five seconds.
test
Press the Esc button to cancel the test.
Analog gauges The indicators move forwards and backwards between
the end positions. They do not show any particular
value. This is just a check to confirm that the indicators
move, and to make sure the operators are working.
Press the Esc button to cancel the test.
Display test The entire display lights up until the Esc button is
pressed.
Speaker Test A sound is emitted through the speakers. Press the
Esc button to cancel the test.
4. Part Number
A list of the control units on the vehicle with their part numbers is displayed in
the Part Number menu.
PA-1619 Owner's Manual H3-45 VIP