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Technician a Says the Engine Coolant Temperature (ECT) Value Can

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Technician A says the engine coolant temperature (ECT) value can be viewed on a scan tool. Technician B says a quick test can be made by unplugging the ECT and watching to see if the temperature changed on the scan tool. Who is correct?


Definitions:

Mechanically Held

Describes devices or components that are kept in position through mechanical means rather than magnetic or adhesive forces.

Electrician

A skilled tradesperson who installs, maintains, and repairs electrical power systems and equipment.

Pilot Device

A device used to control or manipulate the operation of electrical machines through minor input adjustments.

Two-wire Motor

A motor that operates with a simple on-off control, requiring only two wires for operation.

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