03 Yaris Dome light help

[GoldenMonkey93]

Hi mate, yh the other two at the front of the car work.

Cheers

[CTScott]

Originally Posted by GoldenMonkey93

Hi mate, yh the other two at the front of the car work.

Cheers

They are all fed from the same circuit, so it is definitely not a blown fuse. The light blue/yellow wire should measure 12 volts and the red/white wire is grounded if a door is open or not connected (open circuit) if they are all closed. The "ON" as opposed to "DOOR" mode bypasses the door switches and makes a chassis ground connection right at the light fixtures mount.

Start with checking the voltage on the light blue/yellow wire.