AUTODIAGGER AD100+ - General Motors L-RVC Testing: Operation and Results; Selecting and Initiating L-RVC Test; Interpreting L-RVC Test Data

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After connecting the testing device, the main menu will appear on the display:
Select the L-RVC function and conrm by pressing the OK button. The device will go into the L-RVC
testing mode and display the following information:
During the test, after starting the alternator drive, the actual voltage value should correspond to the
required value and the DFM value should correspond to the current alternator load.
Some discrepancies between the voltage values are acceptable. What is important is the appropriate
reaction of the alternator – increasing or decreasing the output voltage according to the required
voltage.
General Motors L-RVC Testing
Selected function
DFM value
Required voltage
Actual voltage