Question about 2001 Toyota Tacoma
Have heat but no high med or other?
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Posted on Jan 02, 2017
Using a voltmeter, the resisted voltage values for the fan motor are as follows:
LOW- 3 VDC
Med LOW - 6 VDC
Med HIGH - 9 VDC
High - 12 VDC
The fan resistor gets 12 volts from each position of the fan switch, and the 12 VDC is then lowered thru each of the 3 internal resistors inside the fan resistor. My guess is that the resistor has failed, and the resistance wires contained on it may have meshed together. The resistor is on the black box between the blower motor housing and the center of the dash. 2 phillips screws hold it in. Easy to remove/replace. Hope this helps, and thanks for choosing FixYa.
Posted on Nov 24, 2008
Absolutely. There are "blend doors" that send the air across the heater core or around it. If they stick or the switch that controls them malfunctions -- no heat. Good luck.
Posted on Nov 29, 2009
That resistor usually doesn't go as quickly in just five years, although, it is possible. I would salso have the blower switch and wiring to it checked. Thanks, Dana
Posted on Jan 06, 2010
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