ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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Engine coolant temperature sensor
The electrical current that passes through the battery to restore it to full power; two full, or bring up to a specific level, A/C system with refrigerant; the required amount of refrigerant for an A/C system.
Cold cranking amps
The computer in an electronic control system
A sensor that works by a negative coefficient thermistor, which loses resistance as its temperature goes up just like the intake air temperature sensor. When the computer applies it's a 5 V reference signal to the sensor, this voltage is reduced through a ground circuit by an amount corresponding to thetemperature of the engine coolant.