Author Question: Technician A says that temperature sensors decrease in resistance as the temperature increases; this ... (Read 44 times)

ghost! · **on:** Aug 13, 2021

Technician A says that temperature sensors decrease in resistance as the temperature increases; this is called positive temperature coefficient (PTC). Technician B says that some vehicle manufacturers use a stepped ECT circuit inside the PCM to broaden the accuracy of the sensor. Who is right?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B