Technician A says that the ECT and IAT sensors can be tested ...

[imowrer]

Technician A says that the ECT and IAT sensors can be tested visually, as well as by using a digital multimeter or a scan tool. Technician B says that the ECT sensor is a high-authority sensor at engine start-up and is used for open-loop control, as well as idle speed. Who is right?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[Ashley I]

Both technicians A and B

[imowrer]

Thanks for the timely response, appreciate it

[Kedrick2014]

Gracias!