Whole dashboard and headlights go brighter then back to normal
When driving at high speeds ( most of the time on the free way the whole dashboard ( odometer gages, radeo) and my head lights will go brighter then go back to normal it is very quick and we can not figure out what is causing this. I would love any help on this it has been going on for over a year and no one can figure it out. People get over cause they think they have a cop behind them trying to pull them over :P Please help me
Re: whole dashboard and headlights go brighter then back...
Does the battery light come on at times with this problem(s) your having? I have the same issue except that my battery light comes on at times while its doing this...ITS SO EMBARRASING WHEN THE HEADLIGHTS GO BRIGHTER...
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P0563 reffers to the vehicles system voltage being high. Thus the headlights getting brighter. Usually caused by a defective voltage regulator built into the alternator. Replacing the alternator is the most common repair. P0700 is a transmission fault code set when something in the transmission control system is at fault. In your case, most likely the control module for the transmission also detected high voltage and put the transmission in limp mode causing the shifting issues you are experiencing. Have the charging system tested and repaired as necessary and the codes rest and the vehicle should go back to normal
Move your car to a dark area, such as waiting until night or moving to a dark garage, to test your headlight switch.
2Turn on your car, so you can see your dashboard lights. Note whether some of your dashboard lights fail to illuminate.
Turn on your car's headlights. Note whether your car's headlights illuminate.
4Press the high beam lever to activate your high beams. Note whether your high beams activate.
5Put your car in "Park." Move to the back of the car. Note whether your parking lights are illuminated.
6View any remaining driving lights, such as lights above the license plate. Note whether these lights come on. If more than one set of lights does not activate when you turn on the lights, you may need to replace your headlight switch. If only one set of lights does not turn on, try replacing the lightbulbs in that set and then retesting your car. If the lights still do not illuminate, you may need to replace your headlight switch.
Right now, I'm thinking the head lamp switch assembly has a problem? See the wire color in the top of head lamp, that is voltage, fuse protected, hot all the time. When problem is ongoing, you could use a test lite, check for voltage at fuse circuit?
The headlamp switch assembly is located on headlamp ground circuit. There could be a wiring problem, somewhere. I can only help with testing.
Yes it is 12 volts. Its just a different wattage so that is how its brighter.
I hope you're just using the high beam circuit to trigger a relay and not to power the driving lights. That would be too much of a draw on the headlight circuit.
Check the switch. There should be a control on it that makes the lights brighter and dimmer. If you turn it all the way to high the interior dome light will come on. Turn ti till the dome light comes on then turn it back till that light goes off and you should be at max bright. If the dash lights still aren't working the problem is most likely the switch itself. Make sure you do the test with the doors closed and lights on.
This is a good article on the future and dangers of "Brighter" headlight. http://blog.mlive.com/chronicle/2008/02/headlights_cause_glare_but_are.html If your vehicle seems to have less headlight intensity than when it was newer, you might want to check the headlight lense covers. If they are plastic they might be fogged from age. This fog is on the surface and can be removed to make the lense clear again. Auto parts sell a kit to do this with and some car wash or repair shops offer this service as well. It makes a big difference. Hint: to keep from happening again, spray the lense covers with high temp clear coat spray paint.
To my knowledge a 2003 Toyota Camry uses a dual filament halogen bulb, either by Osram, Philips or Sylavania. If on the dashboard, the blue indicator lits when the switch is moved to bright or the passlight is engaged but no headlight, then it could jut be busted bulb (or part of it since you still have driving/low beam). In some cases, it could be the relay that supplies power direct to the bulb. At other times, it could be fuse(s) assigned to high beam. At certain instances, it could be also a loose, corroded or burned connector.
Corrective measure for your concern would be to check the 2 bulbs. This is performed by removing the rear covering (rubber or plastic cap) of the headlight assembly from the rear. The bulbs are held in place by a spring clip that needs to be unlatched from the base/holder. Carefully remove the bulb taking care not to touch the glass envelope. The filaments would be readily visible and cut/breaks would be apparent. If determined that one of the filaments (high beam) is open, replace the bulb(s).
If the bulbs prove to be OK, you need to work yourself backwards tracing the wiring harness. After the bulb, check the 3 prong connector for any corrosion or scorching/burnt marks; clean as maybe required. Next to check would be the relay that provides the +12VDC and then the fuse.
I doubt if the dashboard or steering wheel components involve with headlights may be at fault.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.