How many speeds does a blower motor have?
Most blower motors are 3 or 5 speed motors, though it varies by manufacturer. Typically they come with heat set to use LOW , cool and fan set to use HIGH . If it’s a 3 speed motor, the HVAC tech is limited to only adjust to MED . Whereas if it’s a 5 speed, the HVAC tech has more flexibility.
How do you know if your heater blower is bad?
What Are Signs Your Blower Motor Needs to Be Replaced?
- Poor or Airflow from Air Vents. This will be the first and most obvious sign your blower motor has a problem.
- No Airflow At All From Vents.
- Skyrocketing Energy Bills.
- Strange Noises When You Turn on the Heat.
- Overheating Blower / Weird Smells.
How does the blower motor work on a Honda Accord?
Typically it can be activated by pressing and holding different buttons. Testing Honda power transistor (blower motor control module). For example, in the 2009 Honda Accord, the service manual describes the procedure as follows: Turn the ignition to ON.
What are the symptoms of a bad blower motor relay?
3. Melted relay. Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. Relays are exposed to high current loads and can sometimes get hot when they develop problems.
How is the speed of the blower motor controlled?
The electronic module that controls the speed of the blower motor is called a blower motor control module. In some cars, the blower motor has only 4 or 5 fixed speeds. In this case, the speed of the blower motor is controlled by a blower motor resistor.
When did the blower on my Toyota stop working?
Pirates here at the dealership wanted $169.0 😆 Yeah NOT. Blower stopped working last Thursday, It came back on Friday after I wiggled the blower motor resistor, went back out Saturday. It doesn’t work on any speed.