Author Question: When the ignition is first turned on a click noise is heard from under the hood of a vehicle ... (Read 650 times)

Garrulous · **on:** Aug 13, 2021

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?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B