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Diagnosing a Loss of the Computer's Reference Voltage Is Being

Question 19

Multiple Choice

Diagnosing a loss of the computer's reference voltage is being discussed. Technician A says that the VREF signal should be between about 4.2 and 5.2 V when measured at a sensor. Technician B says that the VREF signal should be between about 5.2 and 9.6 V. Who is correct?


A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

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