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Diagnostics
IVTM
4.
If the button ”manometer” is not pressed for 20 seconds,
the display also switches to normal display mode.
4.4.3 Error messages
All defects found by system could be displayed in order of
their importance.
This function could be activated by pressing button
”question mark - ?”.
Symbol of defect wheel blinks in particular vehicle image
(both tires in case of double tires), symbol of detected
defect and particular indicator are lighted.
By successive pressing the button ”?” it is possible to
display all defects. After another press of button the user
is asked to reset data (see 4.4.2).
If button ”pump” is not pressed for 20 seconds, display
switches to normal mode.
If no defect is found the system does not react to pressing
button ”?”.
Different types of defects, which could be found by IVTM
system, are described below. Let us start with the most
dangerous.
4.4.3.1 Extremely low pressure
Display informs about position and current pressure of
defect tire. The symbols of wrench and red light are
displayed.
Action:
Drive should immediately stop the vehicle and check the
pressure drop. Generally, it is necessary to change the
tire because of the damage.
4.4.3.2 Extremely high pressure
Display informs about position and current pressure of
defect tire. Yellow indicator is on.
Action:
Driver should slow down the vehicle to prevent bursting
of tire. The cause of high pressure should be found out
(for example heated brake).
4.4.3.3 Sneaking pressure drop
Display informs about position and current pressure of
tire, where the drop was detected. The symbols of
wrench and soft tire are displayed. Yellow indicator is on.
Action:
Driver should slow down the vehicle and on first occasion
find out the cause of pressure drop, or change the tire.
4.4.3.4 Low pressure
Display informs about position and current pressure of
defect tire. Symbol ”pump” is displayed. Yellow indicator
is on.
Fig. 10
IVTM
bar
Fig. 11
IVTM
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Fig. 12
IVTM
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Fig. 13
IVTM
bar