2016 Mitsubishi I-MiEV Heater Isn't Working

Common Causes of Heater Issues in Your 2016 Mitsubishi i-MiEV and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
31% chance it's the
Heater Blower Motor
0%
18% chance it's the
Heater Blower Motor Resistor
0%
51% chance it's
Something else
The most common reasons a 2016 Mitsubishi i-MiEV heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
  • Heater Blower Motor: A faulty heater blower motor can result in inadequate airflow or no air circulation in the cabin, affecting the heating system's performance.
  • Heater Blower Motor Resistor: A faulty heater blower motor resistor can cause inconsistent fan speeds or complete failure of the blower motor.
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.

What steps should I take to diagnose the heater issue in my 2016 Mitsubishi i-MiEV?

To effectively diagnose the heater issue in your 2016 Mitsubishi i-MiEV, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by examining the thermostat, as a malfunctioning thermostat can significantly impact heating performance. Next, inspect the coolant level; low coolant can lead to inadequate heating, so ensure it is at the recommended level. Following this, take a closer look at the heater core for any signs of clogs or leaks, as these can severely hinder heat distribution. Additionally, check the heater control valve to confirm it is functioning properly, as any restrictions here can prevent hot coolant from reaching the heater core. Don’t forget to test the blower motor, as a failure in this component can stop warm air from circulating effectively within the cabin. Lastly, verify the operation of the blend door actuator, since issues here can disrupt temperature control in your vehicle's HVAC system. By methodically assessing these components, you can identify the root cause of the heating problem and take the necessary steps to resolve it.

What are the common problems that could cause the heater to stop working in a 2016 Mitsubishi i-MiEV?

When troubleshooting a heater that has stopped working in a 2016 Mitsubishi i-MiEV, it's essential to consider several common problems that could be at play. One of the first things to check is the thermostat, as a faulty unit can prevent the engine from reaching the necessary temperature for the heater to function effectively. Additionally, ensure that the coolant level is adequate; low coolant can significantly diminish heat output. Another potential issue is the presence of air pockets in the cooling system, which can disrupt the flow of coolant and lead to insufficient heating. The heater core itself may also be a culprit, as clogs or leaks can hinder the circulation of hot coolant. Furthermore, a malfunctioning blower motor can prevent warm air from being distributed into the cabin, while electrical problems, such as blown fuses or damaged wiring, can also interfere with the heater's operation. By systematically addressing these issues, you can effectively diagnose and resolve the heating problem in your i-MiEV.

How urgent is it to address the non-functioning heater in a 2016 Mitsubishi i-MiEV?

Addressing a non-functioning heater in your 2016 Mitsubishi i-MiEV is not just a matter of comfort; it is a critical safety concern that should be prioritized. A functioning heater is essential for maintaining a warm environment during cold weather, ensuring that passengers remain comfortable and safe. Additionally, the heater plays a vital role in defrosting the windshield, which is crucial for maintaining visibility while driving in adverse weather conditions. Ignoring heater issues can lead to more severe mechanical problems, potentially resulting in costly repairs down the line. Therefore, it is imperative to act swiftly when faced with a malfunctioning heater to safeguard both your comfort and the overall integrity of your vehicle.

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