Check battery cables.may sure they are not loose or corroded.if battery cables has not been changed.they will cause high resistance in circuit causing charging problems.if all is good check alternator out put.it should be 13.5 volts to 14.5 volts with engine running.if not alternator is bad.have alternator and battery check out.i turn off radio before disconnecting battery cables so you wont lose radio playing code.
Dont get too technical ,ignore it because it will only cause you grief ,as for relays ?? whats the fascination for relays on here .check the alternator voltage it should be 14.7V or their abouts if thats ok then leave well alone ,so long as it starts and runs
Check the #8 Fuse ,Under Dash Fuses
If Fuses are Good, Check For Voltage in the Condenser fan relay,If theres no voltage then replace relay.
Check Voltage On White Wire,If there is voltage put a wire on the white wire and other end of wire on the blue/yel wire if fan runs the relay is bad replace relay.Those relays cost u around 40 bucks so find somwone that knows at the auto parts store to look up a toyota relay that is round but the terminals are the same.15 bucks better than 40. Good Luck
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