ASE T6 Domain 3: Charging System Diagnosis and Repair Welcome to your ASE T6 Domain 3: Charging System Diagnosis and Repair 1. ASE T6: Charging System Diagnosis and Repair Which component is primarily responsible for regulating the output voltage of the alternator in a vehicle's charging system? A. Voltage regulator B. Alternator pulley C. Battery terminal D. Ignition switch None 2. ASE T6: Charging System Diagnosis and Repair What is the most likely cause of an alternator producing excessive AC ripple voltage? A. A faulty voltage regulator B. A worn serpentine belt C. A loose alternator pulley D. A damaged battery terminal None 3. ASE T6: Charging System Diagnosis and Repair When diagnosing a charging system issue, what should a technician measure to determine the alternator's output? A. Battery voltage with the engine off B. Battery voltage with the engine running C. Alternator pulley size D. Ignition switch resistance None 4. ASE T6: Charging System Diagnosis and Repair What can cause an alternator to produce excessive charging system noise, such as whining or squealing? A. A faulty battery B. A loose serpentine belt C. A defective ignition switch D. A clogged air filter None 5. ASE T6: Charging System Diagnosis and Repair Which of the following is NOT a common symptom of a failing alternator? A. Dimming headlights B. Difficulty starting the engine C. Overcharging the battery D. Dashboard warning light None 6. ASE T6: Charging System Diagnosis and Repair What could be the cause of an alternator that fails to produce any electrical output? A. A damaged alternator pulley B. A defective voltage regulator C. A worn serpentine belt D. A corroded battery terminal None 7. ASE T6: Charging System Diagnosis and Repair When measuring voltage at the alternator's output terminal, what reading should be expected when the engine is running and the charging system is operating normally? A. 0 volts B. Battery voltage (approximately 12.6 volts) C. Over 15 volts D. Negative voltage None 8. ASE T6: Charging System Diagnosis and Repair What can cause excessive voltage drop in the charging system's positive cable? A. A faulty alternator pulley B. A corroded battery terminal C. A damaged voltage regulator D. A loose serpentine belt None 9. ASE T6: Charging System Diagnosis and Repair What is the primary purpose of the diode trio or rectifier in the alternator? A. To regulate voltage B. To convert AC voltage to DC voltage C. To control the ignition timing D. To engage the starter motor None 10. ASE T6: Charging System Diagnosis and Repair What does a high amperage reading on an alternator's output indicate during testing? A. A healthy alternator B. A weak battery C. A short circuit in the electrical system D. A loose serpentine belt None 1 out of 10 Time is Up! Time's up
