Voltage Regulator

Test notes: Regulators with "AUX" terminal - regulator signal output terminal to control an auxiliary relay in addition to the lamp. To observe this control, connect the auxiliary lamp (LA01) supplied with the Tester between the orange and black tips of the cable harness (RM01). Before performing the test, the Tester's pilot lamp will light up and the auxiliary lamp (LA01) will remain off. During the test, the pilot lamp should turn off and the auxiliary lamp (LA01) should light up. Regulators with "DFM", "FR", "LI" terminal - regulator pulse output terminal to the vehicle's Electronic Control Unit to inform about the regulator’s functioning. To check its operation, use the sensors test module in the Frequency function. Using the PU02 cable set, connect the green tip to the "IN" input and the red tip to the "+ 5V REF" input, then connect the green alligator clip to the DFM, FR or LI terminal attached with the red alligator clip (+ 5V REF). Perform the regulator test and, during the test, the DFM (FR, LI) signal output frequency and the percentage of the time that the signal remains high should appear on the LCD screen of the sensors test module.

Set Point: 14,5

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