Have Toyota Questions? Ask a Mechanic for Answers ASAP
Does the little green light the AC switch illuminate when you turn it on or turn the fan switch on? Do you have a voltmeter to check for voltage at a few different places or simple 12 test light?
Okay let me look at the wiring diagram you have automatic climate control or manual air-conditioning controls?
On the passenger side up under the instrument panel you will see the bottom of the blower motor You will see an electrical connector going to it. With your voltmeter Back probe the connector carefully and check the voltage of the black wire with yellow tracer with the key in the on position with the blower switch In any position and make sure the connector still inserted. and check the voltage on the white wire with the blue tracer. What is the voltage on both of these wires make Sure batteries fully charged.
How is this going?