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Dome light issue

 
Old 03-02-2019, 02:18 PM
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Dome light issue

I am having issues with my dome lights and vanity mirror lights ( the mirrors or visors above the passenger and driver heads ). The front dome light turns on and stay dimmly lit when I manually turn them on. When I control them through the main switch to control all of the lights, none of the lights turn on regardless of the position it's in. I set it to door and the lights do not turn on. I set it to on and still nothing. The visor mirrors also do not light up. I checked the 14 fuse and 15 fuse inside. I also checked the fuse under the hood. The fuses all gave me 14.2v when I check both sides of the fuse. When I check the voltage at the dome light it reads 9v. I put a 12v tester and it also was dimmly lit at the dome light. Can it possibly be the switch giving issues or what can it be? This happened after I try to program the garage opener which is located on the same panel as the dome lights. The garage opener/homelink doesn't light up anymore either. It also stopped working.
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Old 03-02-2019, 03:17 PM
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Or does anyone have the wiring diagram for the 1st gen rdx for the dome lights? I'm trying to firgure out if there is a relay possibly
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Old 03-02-2019, 07:02 PM
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Where should I send?
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Old 03-02-2019, 08:05 PM
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Originally Posted by Poveiro View Post
Where should I send?
Can you email it to me please. I would appreciate it thank you. [email protected]
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Old 03-02-2019, 09:29 PM
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Originally Posted by Kevin125 View Post
Can you email it to me please. I would appreciate it thank you. [email protected]
The bird as flown away.
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Old 03-04-2019, 03:29 PM
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I have the same issue, my alarm was set off 1 night, It went off several different times. The following day. i had dimmed lights on the front upper console n rear dome light. n slowly but surely they stopped working altogether. I believe the culprit is a relay, I have not been able to trace its location yet.
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Old 03-07-2019, 06:37 PM
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Thank you, Poveiro. For the schematics
It's 100% a relay that's stuck.
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Old 03-08-2019, 12:56 PM
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Maybe you should leave the info about that stuck relay in here for future reference.
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Old 03-09-2019, 05:59 AM
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Originally Posted by Poveiro View Post
Maybe you should leave the info about that stuck relay in here for future reference.
Certainly, perhaps i spoke to soon. I have not yet found the location of the said relay, but i feel confident that to be the culprit. The schematic will aid to prove this theory.!! Yes i will share my findings. Merci bocu!
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Old 03-09-2019, 08:13 AM
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Originally Posted by 1rdxbandit View Post
Certainly, perhaps i spoke to soon. I have not yet found the location of the said relay, but i feel confident that to be the culprit. The schematic will aid to prove this theory.!! Yes i will share my findings. Merci bocu!
Kevin125 Have you found the relay?, If yes can you post the location to help 1rdxbandit
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Old 03-09-2019, 07:58 PM
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Iím interested let me know, what the fix is please.
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Old 03-16-2019, 10:40 AM
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Originally Posted by Poveiro View Post
The bird as flown away.
Thank you again for sending me the diagrams.

Originally Posted by Poveiro View Post
Kevin125 Have you found the relay?, If yes can you post the location to help 1rdxbandit
Unfortunately there is no relay. But it does make things simpler to find the problem.

​​​​​​
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Old 03-16-2019, 10:55 AM
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I am going to apologize in advance for this long reply but I'll be as detailed as possible. Sorry for any grammatical errors. I am typing all of this on my phone while at work.

I finally found the culprit after purchasing the Electrical book. So if you look at the blueprint on page 10-5, there is no relay for the interior lights. But it is easy to figure out. So first open your two front doors and see if the courtesy lights are working at the bottom of the door. If they are not working then you must check fuse 22 under the hood. If that's good then move onto the fuse box under the dashboard on the driver side. I believe it is fuse 14. If the door courtesy lights do not work then you have a more difficult issue and you will have to check "under-dash junction box (Photo 56, View 294)" ill attach that picture below.

If both of the fuses are good and both courtest door lights are working then you can check the dome lights and vanity mirrors for low voltage with a mulitimeter. If you are receiving anything less than 11.5v then you have a short somewhere after the interior fuse box. If you are receiving 0v that means you have a burnt wire or a disconnected wire. So i was receiving power to the dome lights but around 9.5v. The vanity mirrors i was receiving 0v. So there is only one link between the junction box and the vanity mirrors and dome lights. That is the connector C210 (Photo 54, View 267). I'll attach a photo of this connector. This is where the main problem is. This is the highest connector which is close to your left foot. So if a bit of water splashes over on the connector, it will short out the connector. Which is very rare but can happen apparently. My connector was completely corroded and was a struggle to seperate it. I basically used t-taps and jumped all the wires until i can find the correct connector to replace the corroded one. But everything is working again 100%.



Page 10-5 the main power diagram for the interior lights.

C210 (circled in red) is the culprit if your door courtesy lights are working but your dome lights are not working. C210 connector image in picture 54

IMAGE 54. C210 connector circled in red. This is located behind the kick panel below the fuse box. White connector. Most likely this is where the problem is.

Check here (circled in red) if your door courtesy lights and interior light are not working after you checked both fuses. Picture of the junction box in picture 56.

IMAGE 56. Under-dash juntion box
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