What should I do if my blower wont shut off?
If the blower stops with either of these steps, the problem is in the HVAC control module. However, if the blower continues to run at high speed with either of those tests, replace the blower motor control processor. Just as an FYI, the retail price of the blower motor control processor is $280.34.
Why does my blower motor keep running after I shut off the car?
Some customers may comment that the blower motor is inoperative or continues to run after the vehicle has been shut off. These conditions may be caused by a blower motor control module failure. This failure may occur when the vehicle is operated in ambient temperature conditions of -23 C (-10 F) or below.
When to replace the blower motor control module?
Important: Replace the blower motor control module if the vehicle experienced a blower motor control module failure in extremely cold ambient temperature conditions. Technicians are to replace the blower motor control module, also called the Linear Power Module (LPM), with the P/N listed below.
Where is the relay on a blower motor?
That relay should be in the under hood fuse/relay box (under hood, left side, behind battery). Starting with the high speed relay, pull it out and see if the fan turns off. Replace the one that causes the fan to go off when removed. I have attached images to help you.
Why does my blower motor not shut off?
All of sudden the fan motor started running on high speed and will not cut off of high no other way than the ground off the battery, could not find on fuse panel the fan fuse. helpful? To clarify, are you talking about the engine cooling fan (under the hood), or the blower fan (for heat and A/C)?
What should I do if my blower fan wont come on?
You will need to test with a voltmeter and see if your fan motor is getting the required 110 to 125 volts AC out of your control board to start the motor. I would suggest setting your thermostat to the “Fan ON” position. You should be getting 120 volts out of the control board.
How do you fix a blower motor on a car?
Disconnect the electrical connector at the blower motor and jumper power and ground to the motor, bypassing all the speeds controls. Run a fused jumper from the battery to the power side of the motor and connect a temporary grounding jumper to the other motor terminal.
That relay should be in the under hood fuse/relay box (under hood, left side, behind battery). Starting with the high speed relay, pull it out and see if the fan turns off. Replace the one that causes the fan to go off when removed. I have attached images to help you.
What happens if you lose the blower motor relay?
The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air. The blower motor relay controls the current used to power the blower motor,…
Where is the blower control switch on the dashboard?
The blower control switch on the dashboard controls the circuit flow of the blower motor to adjust the voltage from low, to medium, to medium-high, to high. When on high, the circuit bypasses the blower resistor.
Why does my Nissan blower not shut off?
Most likely the fan amp. Ours is interchangeable with several diff Nissan cars with automatic climate control. Check some local JY as they are really easy to replace. Yup, it is the module for the blower motor. This is the electronic version of the fan resistor on non-climate control cars.
Can you replace the blower motor on a diff Nissan?
Ours is interchangeable with several diff Nissan cars with automatic climate control. Check some local JY as they are really easy to replace. Yup, it is the module for the blower motor. This is the electronic version of the fan resistor on non-climate control cars.
Why does my Ford Expedition blower motor keep going?
My Ford vehicle decided to set the blower motor on HIGH no matter what. If I put my climate control to OFF, the blower motor keeps going. The fan control no longer works. The only way I can stop the fan is if I turn the vehicle off, then press OFF then restart the vehicle.
What does it mean if your blower motor is stuck?
It sounds like you have a blower motor relay that is stuck if the system is manual and a blower motor speed control for the automatic system. Here are the locations for each and the blower motor wiring diagrams for both systems. Check out the diagrams (Below)
What should I do if my heater blower is stuck?
However,… Hello, if is and automatic transmission, the fluid level should be checked first. If the fluid level is low, it should be topped up to the full mark and see if operation returns to normal. If the fluid level is…
What to do if your climate controlled blower wont shut off?
If your climate controlled blower processor is shot, be prepared to spend mucho bucks for a replacement. But before you start throwing expensive parts at the problem, you’ll have to do some checking. Start by testing the gray/black wire at the blower motor control processor. First, try grounding the wire. Then try removing it.
What do I need to replace my blower motor?
Technicians are to replace the blower motor control module, also called the Linear Power Module (LPM), with the P/N listed below. Refer to either the Blower Motor Control Processor Replacement or Blower Motor Processor Replacement-Auxiliary procedures in SI.