Author Question: When the ignition is first turned on a click noise is heard from under the hood of a vehicle ... (Read 656 times)

jake · **on:** Jun 23, 2018

When the ignition is first turned on a click noise is heard from under the hood of a vehicle equipped with ETC. Technician A says that this is the normal operation of the ETC self-test. Technician B says that the TAC motor should not move unless the engine is running. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B

Question 2

What term describes a catalytic converter as it reaches its effective temperature?

A) Consumption B) Initiation C) Light off D) None of these