ASE Auto Maintenance and Light Repair Terms & Definitions Practice Test

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Duty cycle
A cast iron
A signal that varies the ratio of on-time to off-time, resulting in a square wave that can range between zero and 100; in a process, the ratio of on-time to total cycle time; in fuel injectors, the percentage on-time to total cycle time; in solenoids, the percentage of on-time to total cycle time.
A climate control system that uses the heating and air-conditioning system to maintain that interior temperature selected by the vehicles passengers.
A code that represents and can be used to identify a malfunction in the computer control system.