Two Technicians Are Discussing Electronically Controlled Automatic Transmissions

Multiple Choice

Two technicians are discussing electronically controlled automatic transmissions. Technician A says a Throttle Position Sensor (TPS) is supplied a steady 5V reference voltage from the Powertrain Control Module (PCM) . Technician B says most Throttle Position Sensors (TPS) have high resistance at closed throttle, dropping most of the 5V reference voltage to near zero volts. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B