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Questions and Answers
What is the primary function of an automotive battery?
Which component of the battery is responsible for producing electricity?
What is a common maintenance practice for automotive batteries?
How does a malfunctioning ignition coil typically affect the engine's performance?
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What tool is essential for testing the ignition timing?
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What is the main function of the ignition system in an automotive engine?
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Which component of the ignition system is responsible for distributing high voltage to the spark plugs?
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What is the purpose of a fuse in an automotive wiring system?
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Which method is used to measure continuity in an electrical circuit?
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What indicates a wiring problem in the lighting system?
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How can a technician identify a faulty ground connection in a lighting system?
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Which component serves as the main part of the starting system?
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What is a common symptom of a failing starter motor?
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What effect does a malfunctioning starter relay have on the overall starting system?
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Which tool is primarily used for testing an automotive charging system?
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What is the purpose of the alternator in a vehicle's charging system?
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Study Notes
Part I: Service Automotive Battery
- Primary function is to store electrical energy for the starting system.
- Battery cells are responsible for producing electricity.
- Most common symptom of a failing battery is an unresponsive starter.
- A fully charged battery reads 12.6 volts.
- Common maintenance practice includes cleaning terminals for optimal contact.
Part II: Service Ignition System
- Main function of the ignition system is to ignite the air-fuel mixture in the cylinders.
- The distributor distributes high voltage to the spark plugs.
- Malfunctioning ignition coil typically results in engine misfires or stalling.
- Signs of a failing spark plug include difficulty starting the engine.
- A timing light is essential for testing ignition timing.
Part III: Test and Repair Wiring/Lighting System
- The purpose of a fuse is to prevent electrical overload.
- The most common cause of a blown fuse in a lighting system is a short circuit.
- Test for a short circuit using a multimeter to measure continuity.
- Flickering or non-working headlights indicate a wiring problem.
- A faulty ground connection can be identified by testing with a voltmeter.
Part IV: Service Starting System
- The main component of the starting system is the starter motor.
- A failing starter motor is indicated by the engine turning over slowly or not at all.
- A malfunctioning starter relay prevents the engine from turning over.
- A voltmeter is typically used to test the starting system's electrical circuit.
- Checking battery voltage is the first step in diagnosing a no-start condition.
Part V: Service Charging System
- The primary function of the alternator is to charge the battery and power the electrical system.
- The voltage regulator regulates the output of the alternator.
- Rapid battery discharge is a symptom of a failing alternator.
- Use a multimeter to test the output of an alternator.
- Recommended maintenance for the charging system includes cleaning battery terminals and other component terminals.
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Description
Test your knowledge of automotive battery servicing with this examination for Automotive Servicing 12. The quiz covers essential functions, components, and maintenance practices related to automotive batteries. Answer the questions to assess your understanding and readiness for practical application.