2002 Toyota Avalon Auto Lights on/no tail lights

Asked by Mar 24, 2017 at 08:51 AM about the 2002 Toyota Avalon XL

Question type: Maintenance & Repair

2002 Toyota Avalon
When the Auto lights are on during the day, the dashboard lights are on.
When the Auto lights are on during the day, the taillights are not on.
When the Headlights are switched on during the day the dashboard lights become so dim as to be unreadable.
In a daytime severe rainstorm, snow storm, or fog it is desirable to have the headlights and thus the taillights on. But the dash lights go off.

The knob to twist to adjust dash lights apparently does not work. The adjustment is so little, the dash lights cannot be seen.

Either something is wrong with the adjustment knob or is this is a terrible design flaw in this car.
Can anything be done to fix this problem?

2 Answers


Sounds like it is in that switch. May want to have a shop take a look at it.


If it is a 2002 Avalon XLS they were equipped with Headlight daylight running lights. Check to see if you have two small white sensors mounted in the top of the dash close to the bottom of the front window and behind the steering wheel. One controls the Auto headlight feature and if two sensors the second one controls the daylight running light feature which only turns on the headlights at a reduced light level if the parking brake is off and the transmission is in gear (Not Park). Details in Toyota Manual.

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