1.) A CCOT system has a high high side. Technician A says to suspect the thermostatic expansion valve. Technician B says this system contains an orifice tube. Who is correct?
a.) Technician A
b.) Technician B
c.) Both A and B
d.) Neither A nor B
2.) All of these statements are true about a throttle position sensor EXCEPT:
a.) It indicates throttle position to the engine control module
b.) The control module disengages the A/C clutch at wide open throttle
c.) The ECM disengages the A/C clutch at idle
d.) The throttle position sensor signal is used to indicate throttle angle
3.) A vehicle's air conditioning performance is reduced at low speeds and stop lights, but cools at highway speeds. Which of these is MOST likely the cause of this condition?
a.) A low refrigerant charge
b.) A missing fan shroud
c.) A normal condition
d.) A faulty compressor clutch relay