Caterpillar — Parameter Viewing and Configuration (Caterpillar Electronic Technician)

Operation · Caterpillar Digital Voltage Regulator (CDVR)

From a Caterpillar service manual — check it applies to your exact model before use.

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Procedure

1. Apply 24 VDC control power to the voltage regulator.
2. Connect the "Communication Adapter II" module between the computer and the primary "CANbus" port and start the Cat ET software. Select the appropriate communication port, if prompted.
3. Wait for the software to recognize the ECM's.
4. If the software does not automatically connect, click on the "CONNECT" button at the top of the screen.
5. From the "Service" menu click on the "Configuration Tool" button. Select the CDVR from the list by clicking on it once.
6. Verify that the CDVR is listed in the left panel under "AVAILABLE ECM(S)".
7. Select the configuration group to be viewed by clicking on the group in the left panel.
8. Double click the parameter in the right panel, or highlight the parameter and press "ENTER".
9. Type or select the new value in the "CHANGE PARAMETER VALUE" window. Click on "OK". Click on "YES" to confirm.
10. Repeat steps 7 through 9 for each parameter to be programmed.
11. Click the "DISCONNECT" button to disconnect communication.

Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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