I'm thinking it's a computer issue?įrom working on my boat, I experienced a similar situation and I found it to be ground wires not grounded. If it was a fuse or shorting problem, there'd be no voltage, period. The only hints i have is that when first switched ON, the radio icons illuminate for a split second, then go off. I just don't know why the console lights are out because of it. All i did was unplug and install the gauge cluster a few times (with the car ON) which is my only guess to the start of the problem. I'm not sure what could be wrong now though. I've been working with car electrical stuff for a few years, i've encountered this problem before in the Rx300, but it's always been as simple as changing out a fuse. However, when i dim the dimmer switch, the radio LCD goes off. they just aren't being given any voltage besides for that first second when i turn the lights on.ĭoes anyone know what the problem could be? All of the other lights and functions of the car are working 100%. I checked the bulb that illuminates the shifter icons (on the same circuit not working) with a 12V source and it's working- so the lights aren't blown out or anything. I tried removing the car battery for a few minutes thinking something would reset, but nope. I tried removing the radio, but the lights still didn't come on. None of the other console lights do this (my guess is because the radio lights are LED's while the rest are bulbs, which wouldn't show the slight shot of voltage). Upon closer inspection, i notice that if i flick the light stalk (on the steering column) to parking light or lights-on (when the interior lights would ordinarily come on) the radio button lights "flick" ON for just a second, and go off. So i checked EVERY fuse- the ones in the dash panel, and the two in the engine compartment. Checked them all, and they were all fine. I checked in the manual for any fuse with the words "interior lights" in it, there were about 5 possible ones. My next thought was that i somehow blew a fuse. Also the dimmer switch, which was also fine. so i made sure everything was connected, which it was. I remember from doing gauge cluster work on my Rx300, that if the cluster is not installed, it can affect other things such as this. When it became dark i turned on the headlights, and noticed the interior center console lights (nav buttons, radio buttons, and shifter icon buttons) and the center "cubby" blue and amber accent lights, all not working. I finished the cluster and installed it this afternoon, and i thought everything was working perfectly. I had to remove, install, and remove and install the cluster from the dash a couple of times however. This past week i've been working on a little project involving the gauge cluster (modifying the needles, nothing dealing with electrical though). Well, i couldn't leave well enough alone on my Rx400h.
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