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Re: Panel light burnt out 2002 Avalon
Remove lower dash panel, remove screws holding cluster to top of dash, remove middle dash panel around steering wheel. this will expose additional screws holding cluster in place, when all screws are removed the cluster will move forward a bit. THEN you must reach behind and release the speedo. it wil either be plugged in or a spring clip holds it in place. push the spring clip toward the rear of the vehicle, while keeping no tension on the speedo cable, while it is fully depressed, gently and firmly pull the speedo cable away from the cluster. Two harness connect to the cluster, each has a pressure clip, just squeeze and pull back on harness connector to remove. When released the cluster will be freed. With the cluster face down, the bulb with remove with a counter clockwise turn, just confirm whcih one you want to change. I'd recommend changing all! check that all bulbs fuction before resecuring all pieces.
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check your manual.. It may be a bulb that lights several fiberoptics to different gauges. It may seem like more than one blub making you think it is the whole circuit. If the fuse is not blown check for that one blub.
There is no specific fuse just for the check engine ligh ! There are fuses for the instrument cluster , you could have just a burnt out blub ! You would need to pull the instrument cluster out to change it ! Link How to Replace Dashboard Lights In Depth You vehicle probably is not exactly the same as this !
well iwould say that if not update software programing for this problem like some other cars. you are going to have to remove some dash trim to gain access to i/p cluster retaining screws,remove screws then cluster, some clusters have serviceable backlighting bulbs & some you would have to take apart to de-solder where the bulb is located behind the gas gauge and try to find one someware. most clusters know a days are not technician serviceable unless you are a special technician. just send out for repair reinstall,reprogram with latest software, and current milage. done deal.
check the bulbs first they may be burnt out, once you confrim the bulbs are good turn the lights on and check for power at the green wire and the green/white wire. and check the white/black wire it is the ground wire.
I looked up the codes you posted.
P0420 is showing a bad oxygen sensor on bank #1, the one down by the catalytic converter.
P0773 is an electrical problem with the shift solenoid E.
A bad oxygen sensor would cause lower fuel milage.
open the trunk and remove the back panel in the trunk could be a couple of clips or a few screws holding the panel on one you remove the panel you should have easy access to the bulb just twist and remove. or on some avalons you need to pry the lens off the light to replace it then the lens will click back into place with a little push
There is a short in the instrument panel. You will have to replace the entire panel or send it off for repairs. I just replaced mine with a used one from my local auto salvage yard. I have a 2002 Century and the instrument panel was from a 2001 Century. There were 2 types of instrument panels made, one from the USA and one from Canada. If your speedometer has kilometers on it as well as MPH, then it is the Canadian version. Mine cost $65 to replace. I was quoted almost $200 to send it off for repair. I have had several problems with my car, so if you have any questions, I might be able to help. My email is firstname.lastname@example.org.
If you have an all digital dash, then no, there is no light bulb to replace. It is a digital device, such as that of a calculator. While I am not familiar with these types of dashes, there may be some type of element in there that merely needs replaced. My Odemeter (milieage indicator) is lighted as such as well. I haven't had any issues with it as of yet, but I imagine there may be something to replace, rather than the whole part. I would call the manufacturer, or the dealer to research this more.
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