2016 Toyota Yaris Won't Start

Common Causes for Your 2016 Toyota Yaris Not Starting and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2016 Toyota Yaris won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions due to insufficient power supply.
  • Alternator: A failing alternator can result in insufficient electrical power to the vehicle, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How urgent is it to address the starting issue in a 2016 Toyota Yaris that won't start?

When your 2016 Toyota Yaris won't start, the urgency of addressing the issue cannot be overstated. Ignoring this problem can lead to safety concerns, as a non-starting vehicle can leave you stranded in precarious situations. Additionally, delaying repairs may result in further damage to the car's electrical system or other critical components, leading to more expensive fixes down the line. The convenience of having a reliable vehicle is essential for daily activities, and resolving starting issues promptly ensures you can go about your life without interruptions. Moreover, diagnosing the root cause of the problem is crucial, as professional help may be needed to identify and rectify the issue efficiently. Lastly, repeatedly attempting to start a malfunctioning vehicle can strain the battery and starter motor, causing additional wear and tear. Therefore, it is vital to act quickly to maintain the reliability and performance of your Yaris, ensuring your safety and preventing further complications.

What are the common problems that could cause a 2016 Toyota Yaris to not start?

When your 2016 Toyota Yaris refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first things to check is the battery; a dead or weak battery is often the culprit behind starting issues. If the battery seems fine, inspect the starter motor, as a malfunction here can prevent the engine from turning over. Additionally, consider the fuel system; a clogged fuel filter or other fuel delivery issues can hinder the starting process. Electrical system faults, such as damaged wiring or blown fuses, can also disrupt the starting sequence. Don’t overlook the key fob battery, as a dead fob can prevent the vehicle from recognizing your key. Furthermore, ensure that the gas tank isn’t empty, as this is a straightforward yet common oversight. Lastly, check for corrosion on battery terminals or any loose connections, as these can impede electrical flow. By systematically examining these areas, you can identify and potentially resolve the starting issues with your Yaris before seeking professional help.

What are the initial diagnostic steps to take when a 2016 Toyota Yaris won't start?

When your 2016 Toyota Yaris refuses to start, the first step is to check the battery, as a low or dead battery is a common culprit. Use a multimeter to measure the battery voltage; if it’s below 12.6 volts, consider recharging or replacing the battery. Next, inspect the battery terminals for any signs of corrosion or looseness, as these can hinder the flow of electricity. If you hear a clicking sound when attempting to start the car, this may indicate a problem with the starter motor. Additionally, assess the alternator, since a malfunctioning alternator can prevent the battery from charging properly, leading to starting issues. It’s also crucial to evaluate all electrical connections for security and signs of corrosion or damage, as poor connections can disrupt the starting process. For more complex problems, such as engine failure, using an OBD2 scanner can provide deeper insights, but if the issue remains unresolved, consulting a professional mechanic is advisable. By systematically following these diagnostic steps, you can effectively troubleshoot and potentially resolve the starting issue with your Toyota Yaris.

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2016 Toyota Yaris Won't Start? Common Causes & Solutions