All of the following are approved methods for diagnosing an ECT ...

[dalyningkenk]

Question 1

A typical IAT or ECT sensor reads about 3000 ohms when tested using a DMM. This resistance represents a temperature of about ________.
◦ -40° F (-40° C)
◦ 70° F (20° C)
◦ 120° F (50° C)
◦ 284° F (140° C)

Question 2

All of the following are approved methods for diagnosing an ECT (engine coolant temperature) sensor EXCEPT ________.
◦ Scan tool
◦ Digital multimeter (DMM)
◦ Observing resistance values at a specified temperature
◦ Substituting a variable resistor

[mcabuhat]

Answer 1

70° F (20° C)

Answer 2

Substituting a variable resistor

[dalyningkenk]

Thanks for the timely response, appreciate it

[xiazhe]

TYSM