ASE A8 Domain 2: Ignition System Diagnosis and Repair Welcome to your ASE A8 Domain 2: Ignition System Diagnosis and Repair 1. ASE A8: Ignition System Diagnosis and Repair What is the purpose of the ignition control module (ICM) in an engine's ignition system? A. To ignite the air-fuel mixture B. To monitor engine coolant temperature C. To control the fuel injection timing D. To regulate the air intake None 2. ASE A8: Ignition System Diagnosis and Repair Which type of ignition system typically uses a distributor cap and rotor to distribute high-voltage electricity to the spark plugs? A. Capacitor discharge ignition (CDI) B. Distributorless ignition system (DIS) C. Electronic ignition system (EIS) D. Coil-on-plug (COP) ignition None 3. ASE A8: Ignition System Diagnosis and Repair In a wasted spark ignition system, how many spark plugs fire simultaneously during each ignition cycle? A. Only one spark plug B. Two spark plugs C. Three spark plugs D. Four spark plugs None 4. ASE A8: Ignition System Diagnosis and Repair What is the purpose of the ignition coil in an engine's ignition system? A. To regulate engine oil pressure B. To control the timing of the camshaft C. To amplify the voltage for spark generation D. To adjust the fuel-to-air ratio None 5. ASE A8: Ignition System Diagnosis and Repair What is spark plug "heat range," and how does it affect engine performance? A. It determines the size of the spark plug B. It indicates the spark plug's resistance to heat C. It specifies the spark plug gap size D. It controls the spark plug's electrode material None 6. ASE A8: Ignition System Diagnosis and Repair What is the primary function of the ignition timing advance in an engine's ignition system? A. To adjust the engine's idle speed B. To control the air-fuel mixture C. To optimize engine performance and efficiency D. To regulate the exhaust emissions None 7. ASE A8: Ignition System Diagnosis and Repair In an engine with variable valve timing (VVT), how does VVT affect ignition timing? A. It has no impact on ignition timing B. It delays ignition timing C. It advances ignition timing D. It controls the engine's cooling system None 8. ASE A8: Ignition System Diagnosis and Repair What component in the ignition system is responsible for triggering the ignition coil to generate a spark? A. Crankshaft position sensor (CKP) B. Throttle position sensor (TPS) C. Mass airflow sensor (MAF) D. Oxygen sensor (O2) None 9. ASE A8: Ignition System Diagnosis and Repair Which of the following conditions can lead to "detonation" in an engine? A. Excessive ignition timing advance B. Insufficient fuel pressure C. Low engine coolant temperature D. Restricted air intake None 10. ASE A8: Ignition System Diagnosis and Repair What is the primary purpose of the ignition system's secondary circuit? A. To supply electrical power to the ignition coil B. To distribute high-voltage electricity to the spark plugs C. To regulate the engine's cooling system D. To control the air-to-fuel ratio None 11. ASE A8: Ignition System Diagnosis and Repair Which component in the ignition system is responsible for ensuring that the spark plug fires at the correct time during each engine cycle? A. Ignition control module (ICM) B. Camshaft position sensor (CMP) C. Engine control module (ECM) D. Throttle position sensor (TPS) None 12. ASE A8: Ignition System Diagnosis and Repair What is the purpose of the distributor's rotor in a traditional distributor ignition system? A. To regulate engine coolant flow B. To distribute spark to the spark plugs C. To control fuel injection timing D. To adjust the valve clearance None 13. ASE A8: Ignition System Diagnosis and Repair In a waste spark ignition system, why does one spark plug fire during the exhaust stroke? A. To improve fuel efficiency B. To reduce emissions C. To maintain engine balance D. To cool down the exhaust gases None 14. ASE A8: Ignition System Diagnosis and Repair What happens when the ignition system's primary circuit is interrupted? A. The spark plugs stop firing B. The engine shuts down C. The fuel injection system fails D. The exhaust system becomes restricted None 15. ASE A8: Ignition System Diagnosis and Repair Which ignition system component stores electrical energy and releases it to create a spark? A. Ignition coil B. Spark plug C. Crankshaft position sensor (CKP) D. Electronic control module (ECM) None 16. ASE A8: Ignition System Diagnosis and Repair In an engine with variable valve timing (VVT), how does VVT affect engine performance and ignition timing? A. It has no impact on engine performance B. It advances ignition timing and improves performance C. It delays ignition timing and reduces performance D. It adjusts ignition timing for better fuel economy None 17. ASE A8: Ignition System Diagnosis and Repair What is the purpose of the ignition control module (ICM) in an engine's ignition system? A. To ignite the air-fuel mixture B. To monitor engine coolant temperature C. To control the fuel injection timing D. To regulate the air intake None 18. ASE A8: Ignition System Diagnosis and Repair Which component in the ignition system is responsible for triggering the ignition coil to generate a spark? A. Camshaft position sensor (CMP) B. Throttle position sensor (TPS) C. Crankshaft position sensor (CKP) D. Mass airflow sensor (MAF) None 19. ASE A8: Ignition System Diagnosis and Repair What is the term for the ignition system's ability to generate a spark at the spark plug? A. Ignition timing B. Spark plug gap C. Spark ignition D. Ignition capability None 20. ASE A8: Ignition System Diagnosis and Repair In an engine with a wasted spark ignition system, how are the spark plugs paired for firing? A. One spark plug per cylinder B. Two spark plugs per cylinder C. Alternating between cylinders D. All spark plugs fire simultaneously None 1 out of 20 Time is Up! Time's up