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Toyota Service
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Category: Lexus
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2002 RX300 dome lights 't work and display screen is blank

Customer Question

2002 RX300 dome lights don't work and display screen is blank and radio doesn't work. When I put power to the positive terminal of one of the dome lights the display and radio work
Submitted: 1 year ago.
Category: Lexus
Expert:  Toyota Service replied 1 year ago.

Hello. Welcome to Just Answer. Please allow me to assist you. Please clarify what you mean when you are saying "when I put power..." How are you applying power? Thanks

Customer: replied 1 year ago.
Using a meter attached to battery.
Expert:  Toyota Service replied 1 year ago.

You have a voltmeter?

Customer: replied 1 year ago.
Actually my mechanic was doing this troubleshooting this and he has one. I did notice that he was not getting any voltage from the dome ligts.
Expert:  Toyota Service replied 1 year ago.

You either have a loose fit to the dome fuse in the fuse panel under the hood, the short pin (right next to the dome light fuse) is loose or missing, or the fuse is actually blown. if he is applying power to the Positive terminal, he is backfeeding power into the system. This indicates that there is not power in the system, and the circuit is good. The problem here is lack of power, most likely in the fuse panel under the hood.

Customer: replied 1 year ago.
Thank you
Expert:  Toyota Service replied 1 year ago.

You are very welcome

Expert:  Toyota Service replied 1 year ago.

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