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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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Chapter
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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

While discussing testing OBD II system components: Technician A says that a testlight can be used to test O2S output. Technician B says that a digital voltmeter can be used to test the O2S. Who is correct?

  1. Technician A

  • Technician B
  • Both A and B
  • Neither A nor B
  • To determine

    The technician with correct approach.

    Explanation

    Given information:

    While discussing testing OBD 2 system components:

    Technician A says that a test light can be used to test O2S output.

    Technician B says that a digital voltmeter can be used to test the O2S.

    OBD system is an On-Board Diagnosis system. It can be installed in all cars and some light duty trucks. It helps in controlling the engine parts and it has proved its importance by keeping an eye on other parts of vehicles also, for example- chassis, accessories, and other components of cars.

    It helps in vehicle’s maintenance and diagnoses parts of vehicles. It helps in producing less emission thus protecting the environment from harmful emission caused by vehicles. The diagnosis or maintenance engine light is present at the dashboard...

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