Diagnostics - PREVOST X3-45 VIP 2015 Owner's Manual

5-16 Other Features
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.
• Backlight
In this menu, the display lighting can be adjusted relative to other instrument
lighting with the UP/DOWN button.
• Night/Day
Use the Night/Day menu to choose a dark background with light text and
images or a light background with dark text and images. Press ENTER button
to toggle between Night and Day.
6. Change Password
Use this menu to change the current password. This menu is only accessible
if the correct password is entered. The default password is 0000.
1. Mark which password is to be changed with the display UP/DOWN button.
2. Confirm with ENTER button.
3. Set the first digit with the UP/DOWN button.
4. Step to the next digit using ENTER button.
5. Step backwards with ESC button.

DIAGNOSTICS

1. View Active Fault
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 Fault
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
- Analog gauges
- Display
- Speakers
The following table describes the available tests. To cancel a test, press the
ESC button).
Telltale lights test
Analog gauges
Display test
Speaker Test
Telltales illuminate for approximately five seconds.
Press the Esc button to cancel the test.
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.
The entire display lights up until the Esc button is
pressed.
A sound is emitted through the speakers. Press the
Esc button to cancel the test.