What should be concluded if nothing happens when the ignition key is turned to the START position but there is a fully charged battery?

Study for the ASE Electrical and Electronic Systems (A6) Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

If nothing happens when the ignition key is turned to the START position and the battery is fully charged, it's vital to analyze the various components involved in the starting system.

The starter control circuit is responsible for relaying the signal from the ignition switch to the starter motor. If there is an issue with this circuit, such as a broken wire, a faulty relay, or poor connections, the starter motor will not receive the necessary voltage or signal to engage, which would explain why there is no action when attempting to start the vehicle.

A defective starter might be a plausible cause of failure, but in this scenario, since the battery is confirmed to be fully charged and there is no indication of any sound or turning by the starter itself, it's more indicative of an issue earlier in the circuit rather than with the starter motor itself. Similarly, a faulty ignition key could prevent the starting process, but it would likely result in different symptoms or indications, such as dashboard lights not illuminating. While loose battery terminals can also prevent proper operation, the problem manifests as intermittent starting or dim lights, rather than a complete lack of activity when trying to start.

Given these points, the failure of the starter control circuit stands out as the most logical conclusion to the problem described.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy