What are the wiring colors for a 2000 toyota avalon xls stereo?

http://www.modifiedlife.com/car-stereo-radio-wiring-diagram-1999-toyota-avalon/

Only the electric wiring diagram has 360 pages. Impossible to post anything of that here. Sorry

Low freon pressure.

have you checked fuses?if so its probably a relay/(switch)that needs replacing

problem with steering wheel/column wiring harnes

Check this for 1996 Toyota Avalon Car Stereo Radio Wiring Diagram Radio Constant 12V+ Wire: Blue/Yellow
Radio Switched 12V+ Wire: Gray
Radio Ground Wire: Brown
Radio Illumination Wire: Green
Radio Dimmer Wire: N/A
Radio Power Antenna Trigger Wire: Black/Red
Radio Amplifier Turn On Trigger Wire: N/A
Front Speakers Size: 5 1/4" Speakers
Front Speakers Location: Doors
Left Front Speaker Wire (+): Pink
Left Front Speaker Wire (-): Purple
Right Front Speaker Wire (+): Light Green
Right Front Speaker Wire (-): Blue
Rear Speakers Size: 5 1/4" Speakers
Rear Speakers Location: Rear Doors
Left Rear Speaker Wire (+): Black
Left Rear Speaker Wire (-): Yellow
Right Rear Speaker Wire (+): Red
Right Rear Speaker Wire (-): White

Hope helps (remember to rate and comment this free answeer).

ABOUT $500 US

i need a color grapgh map of the wireing for a pioneer raido to a toyota avalon.

the other areas the fault could be located are in your meter circuit plate (which is part of your combination meter), it could be in the wiring, or possibly your multi display (also part of your combination meter)