You most likely will have a bad blower resister........
Heater Blower Resistor
While there are a variety of reasons your Lexus ES350 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
While there are a variety of reasons your Lexus ES350 heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
the heater fan resister,it is or should be on inside or on outside heater box.
The stage 1 relay has blown! it is located behind the glovebox door above the heater blower. # find it # pull it out # replace it job done:-)
The blower motor resistor is bad.
Probably the blower motor speed resistor is partially burned out.
it may be the switch have it checked out
The usual cause is a failed blower motor resistor.
most vehicles have one circuit(and one fuse) for the first 3 fan speeds and a separate circuit and fuse for the highest speed.AnswerCHECK THE BLOWER MOTOR RESISTOR
Get a new switch.
the heater blower motor resistor is bad, it is located near the heater. under the dash on the glovebox side.