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24 December, 19:20

When checking for a no-start concern, you notice that an engine has no spark. Technician A says to turn on the ignition (engine off) and, using a DMM, find out how much battery voltage is available at the negative terminal of the ignition coil. Technician B says the DMM reading should fluctuate, indicating that the primary coil current is being turned on and off. Who is correct?

A. Neither Technician A nor B

B. Both Technicians A and B

C. Technician B

D. Technician A

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Answers (1)
  1. 24 December, 19:41
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    Option (C) is the correct answer to the given question.

    Explanation:

    Since overall the On-Board Diagnostics of the level 2 the computer systems need to evaluate the cause of the engine failures. The malfunction significantly increases in the fuel consumption, so that we can detecting the error code in the vehicle.

    If we starting the engine as well as by using the DMM, we'll see how much battery voltage it is at the negative ignition coil node. If the spark module is faulty and no ignition coils can fire so all the engines are working that's why all the other option are incorrect.
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