Which wire on a TP sensor should be back probed to check for a ...

[deesands]

Which wire on a TP sensor should be back probed to check for a voltage signal to the PCM?
 
  A) Meter should be connected between 5-volt reference and ground
  B) Signal wire
  C) Ground wire
  D) 5-volt reference (Vref)

Question 2

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 startup and is used for open-loop control, as well as idle speed. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians D) Neither technician

[JYan]

Answer to Question 1

B

Answer to Question 2

C

[deesands]

Gracias!

[coreycathey]

TYSM