Question about Toyota Solara
Ok a quick and simple continuity test for this is to have the dome light on(interior light for those who don't know), push the window rocker switch to the down position...do you see the interior slight flicker... the brightness of the dome light?? Look and test again....if yes it flickers, that means the switch is working, if no follow these tests...pull the switch out(unclip) remove the electrical connector off the backside of the switch and use your test light to find the power feed pin, then find the down side pin, using a jumper wire try to jump out the connector by bypassing the switch connecting the jumper from positive feed to the down side pin the window should go down, if yes...pickup a new window rocker switch and or assembly most likely Auto Zone or the like parts store should stock this item.
Ok we have tested the switch and found it to be fine, the interior light did flicker so we know we are getting electricity to the window motor, so we will next use our test light to test the items inside the door assembly... with a jumper wire and the test light handy remove the door panel and all electrical assemblies attached to it, the key of course is turned on for all these tests, locate the wiring harness coming through the front side of the door forward near the hinges("A" Post Area) they should be traveling through a rubber conduit, peek into it to see if the wiring is cracked/broken, if not splice the affected area with a new wire, if its ok... take your test light and with the window rocker switch plugged into the electrical connector see if you are getting current to the power window motor...if yes the motor is victim and may need replacement, however before you remove it to replace it, tap the electrical motor on its side lightly, just enough to jar it free from corrosive formations of moisture/rust etc....be carefull not to hit the window glass doing so....while tapping it spray it down heavily with WD 40 or the like, (all the while holding the rocker switch in the down mode) and see if this "wakes" the motor up causing it to work... many times the window motors get rust formations on the commutators and stop working when you shock them, by spraying them you displace the rust....If it works the motor may be fine and not need replacing.
Hope this works for you.
Posted on Jul 19, 2010
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Posted on Jan 02, 2017
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