PREVOST H 2018 Series, Operator'S Manual

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5-18 OTHER FEATURES
PA1628 H3-41, H3-45 Operator’s Manual
« 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

Analog gauges

Display

Speakers
The following table describes the available tests. To cancel a test, press the
ESC button).
Telltale lights test Telltales illuminate for approximately five seconds.
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