you have a shorting wire someplace
Have you checked you heater control valve or heater core if working properly.
If a heater fan is not working on a Toyota RAV4, the problem might be with the blower motor resistor. The blower motor resistor is either on the firewall next to the heater motor or in the dash on the passenger side above the heater core.
hello Can you tell me why the heater on my 2002 toyota yaris isnt working? Ive changed the thermostat,flushed out the radiator and also the heater matrix behind the dashboard is getting red hot as well
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The AC switch operates the AC compressor and should have no bearing on your heater function. If your heater is not working properly, you may have a weak thermostat.
The Toyota Camry block heater is located on the front of the engine block. You can follow the block heater cord to the block heater.
Depends on what you mean when you ask heater and fan. This is what I'm assuming: When you get in your car, turn the heater on and no matter how high you turn the nob it just doesn't blow? Some Toyota models have a bad heater control unit, very costly but you may be able to pick them up used. My sister's highlander went out, I think it was around $500 to fix.Or is it your radiator fan that isn't working?
check your fuses, you may have blown a fuse, not a mechanic but know a bit about problem solving.
Most of the time internal water leaks under the dash behind the center console are the result of a blown heater core. If your heater is not working, then that could be your problem.
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there is a short somewhere in dash or heater, you need to fix that to stop fuses blowing