JPRO 2025V3 CTIS Pressure test allow you to measure the pressure of a selected axle group by pressurizing the control lines and reading the pressure in the Pneumatic Control Unit (PCU).
The CTIS Pressure Test is supported on:
✓ Dana CTIS where J1939 communications are available
Related Contents:
2025 JPRO Noregon Diagnostics Free Download
Procedures:
1 Select CTIS Pressure Tests and press Enter of click the Start button.
2 The test dialog will be displayed.
3 Select the Check Pressure button to refresh the displayed data values.
4 Select the Deflate button to start deflating the tires.
a The Hold and Stop buttons will enable.
b Status will alternate between “Tires Deflating” and “Checking Pressure in Tires”.
c Monitor the displayed data values.
d Select the Hold button to pause the deflation and check tire pressure.
e Select the Stop button to stop the deflation.
5 Select the Inflate button to start inflating the tires.
a The Hold and Stop buttons will enable.
b Status will alternate between “Tires Inflating” and “Checking Pressure in Tires”.
c Monitor the displayed data values.
d Select the Hold button to pause the inflation and check tire pressure.
e Select the Stop button to stop the inflation.
The CTIS system will allow the tire pressures to go past preset limits and must be stopped manually.
6 When the test has completed, click the Exit button to return to the test selection dialog.
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