Component Check; Air Control Valve (Acv); Figure 4.3 Ecm Service Tool - Connected - Carrier UG 15 Tier 4 Operation And Service Manual

When the ECM Service Tool program is first opened and the USB connector from the ECM CAN Adapter is
connected to the computer, a message will indicate that a new driver has been installed. If the driver has not been
installed properly, the software will automatically complete driver installation.
The ECM Service Tool will setup the port the first time you open the program. When the ECM is communicating,
the status on the bottom left side of the screen will display "Connected". Refer to
4.2

Component Check

Component check, Figure
components on and off. Each component will energize for one cycle. The engine must be off.
When checking components, disengage the starter so that the unit will not start. Components
should be tested with switch power only.
4.2.1

Air Control Valve (ACV)

1. From the Setup screen, click on the AR-DOC tab.
2. Click the DO1 ACV button once to activate ACV. The ACV will go through one cycle. As the ACV cycles, the
motor will make a slight, audible sound which indicates that the valve is working properly.
3. Click the DO1 ACV button again to deactivate the ACV.
T-378

Figure 4.3 ECM Service Tool - Connected

4.4, is for testing the functionality of individual EES components by cycling the
4–2
Figure 4.3.