Technician A says the fluid pressure switches used in today's transmissions either complete or open an electrical circuit to the computer. Technician B says that a fluid pressure switch can also be checked with air. Who is correct?

Question

​Technician A says the fluid pressure switches used in today's transmissions either complete or open an electrical circuit to the computer. Technician B says that a fluid pressure switch can also be checked with air. Who is correct?

Quizplus · Accepted Answer

Technician A is correct in saying that modern fluid pressure switches can either complete or open an electrical circuit to the computer. Technician B is also correct in saying that a fluid pressure switch can be checked with air. In fact, one common method of testing a fluid pressure switch is to apply air pressure to the switch and observe whether it opens or closes the internal contacts. Therefore, both technicians are correct.

​Technician a Says the Fluid Pressure Switches Used in Today's

Technician a Says the Fluid Pressure Switches Used in Today's