AUTOMOTIVE TECHNOLOGY PRINCIPLES DIAGNOSIS AND SERVICE 2026 PRACTICE TEST SHEET FULL SOLUTIONS CORRECT ANSWERS GUARANTEED PASS

AUTOMOTIVE TECHNOLOGY PRINCIPLES
DIAGNOSIS AND SERVICE 2026 PRACTICE
TEST SHEET FULL SOLUTIONS CORRECT
ANSWERS GUARANTEED PASS

◉ Alignment.
Answer: Adjustment of wheel angles for proper driving and tire
wear.


◉ Alternator.
Answer: Charges the battery while the engine runs.


◉ Battery.
Answer: Provides electrical power to start and operate the vehicle.


◉ Brake Pads.
Answer: Friction material used to stop the vehicle.


◉ Brake Rotor.
Answer: Metal disc the brake pads clamp onto.

, ◉ Coolant.
Answer: Fluid that regulates engine temperature.


◉ DTC.
Answer: Diagnostic Trouble Code stored by the vehicle computer.


◉ ECU/ECM.
Answer: Vehicle or engine control computer.


◉ HVAC.
Answer: Heating, ventilation, and air conditioning system.


◉ OBD-II.
Answer: On-board diagnostic system used for scanning codes.


◉ RPM.
Answer: Revolutions per minute measuring engine speed.


◉ Scan Tool.
Answer: Device used to read diagnostic codes and vehicle data.


◉ Suspension.