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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Definitions:

Organic Product

A compound resulting from an organic reaction, typically containing carbon atoms bonded to other elements like hydrogen, oxygen, or nitrogen.

Alkene Products

Chemical compounds resulting from reactions involving alkenes, characterized by the presence of one or more carbon-carbon double bonds.

Stereoisomers

Molecules that have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space.

Alkyl Iodide

A chemical compound characterized by an alkyl group bonded to an iodine atom, used in organic synthesis.