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Dome light not coming when driver door is opened

Discussion in '5th Gen 4Runners (2010+)' started by Bafelty, Dec 14, 2019.

  1. Dec 14, 2019 at 4:41 PM
    #1
    Bafelty

    Bafelty [OP] New Member

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    The interior lights have stopped coming on when only the driver door is opened. I’ve replaced the jamb switch and tested the new one, tested and swapped the relay but still nothing. It has auto head lamps and they are not always turning off automatically and I believe that both issues are related. Anybody else had this issue or know what else I can do?
     
  2. Dec 14, 2019 at 6:43 PM
    #2
    Daytonaviolet

    Daytonaviolet TRD Bro

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    Have you tried toggling the switch ?
     
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  3. Dec 14, 2019 at 6:58 PM
    #3
    Bafelty

    Bafelty [OP] New Member

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    are you referring to the jamb switch? It is new, I bench tested it before installing to make sure. I guess I need figure out where the wire for the jamb switch runs to
     
  4. Dec 14, 2019 at 7:01 PM
    #4
    Daytonaviolet

    Daytonaviolet TRD Bro

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    not sure If the jam switch is the same as the upper dome light switch. Some light switch has two positions I believe. The 2nd two seats door light has 3 postions.
     
  5. Dec 14, 2019 at 7:15 PM
    #5
    Bafelty

    Bafelty [OP] New Member

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    Yes I’ve moved those switches around
     
  6. Dec 14, 2019 at 10:27 PM
    #6
    WallyT4R

    WallyT4R New Member

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    What model? Year?

    Which interior light is not coming on? The one behind your head? The ones above your head? Both?
     
  7. Dec 15, 2019 at 5:16 AM
    #7
    Bafelty

    Bafelty [OP] New Member

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    Sorry I thought I included that, it’s. ‘14 Limited. no interior lights come on when the driver door is open. The instrument panel doesn’t show it recognized as open either.
     
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  8. Dec 15, 2019 at 7:15 AM
    #8
    WallyT4R

    WallyT4R New Member

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    Yeah that's weird. The instrument panel should show a door open.
     
  9. Dec 15, 2019 at 8:42 AM
    #9
    Bafelty

    Bafelty [OP] New Member

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    Well I know it has to be a ground issue somewhere cause ground is what triggers the lights(figures that out last night). I can direct ground to the lights and they all work. I just have no idea where to check. This is our first Toyota so this is a learning experience for me
     
  10. Dec 15, 2019 at 8:56 AM
    #10
    Bafelty

    Bafelty [OP] New Member

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    when I unplug the switch, I can direct ground the plug and still nothing
     
  11. Dec 15, 2019 at 9:17 AM
    #11
    Bafelty

    Bafelty [OP] New Member

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    We it has the smart key push button start stuff so I don’t know if it will.
     
  12. Mar 4, 2020 at 7:21 PM
    #12
    ffmdn2610

    ffmdn2610 New Member

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    I have the same issue and i have even checked the switch and is grounded.

    I also forgot to ask if you have courtesy lights in your doors?
     
  13. Mar 4, 2020 at 11:45 PM
    #13
    Daytonaviolet

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    have you checked the dome fuse and relay ? When I pull mine out, the interior lights don’t come on when I open the door.
     
  14. Mar 5, 2020 at 4:55 AM
    #14
    ffmdn2610

    ffmdn2610 New Member

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    Does the drivers door have its own relay? All the other doors when open have the interior lights come one.
     
  15. Apr 10, 2020 at 12:51 PM
    #15
    az4runner

    az4runner New Member

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    I have a similar issue on my 2015 trail edition. All but the driver side door when opened will turn on the interior lights. At first I thought it was the driver side door switch, so I took the passenger side switch and put it on the driver side made no difference. The driver side switch works perfectly on passenger side. So that ruled out a switch issue on drivers side. Not sure what else to check. Were you able to fix yours?
     
  16. Feb 21, 2021 at 7:23 PM
    #16
    kbone12

    kbone12 New Member

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    I’m having the exact same issue. Did you ever find the problem?
     
  17. Feb 22, 2021 at 2:39 PM
    #17
    ElectroBoy

    ElectroBoy Ad astra

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    Did it *ever* work since you had it? Has anyone ever done any electrical mods on it?
     
  18. Feb 22, 2021 at 3:14 PM
    #18
    kbone12

    kbone12 New Member

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    I've only owned it for about 4 months but it hasn't worked since i bought it. The light turn on for all the other doors but not the driver door. I did replace the jamb switch but no luck.
    No major electrical work has been done other than new speakers, amp, radio and backup camera. Nothing else from what I can tell with previous owners but you never know with a 9 year old vehicle lol.
     
  19. Feb 22, 2021 at 3:26 PM
    #19
    ElectroBoy

    ElectroBoy Ad astra

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    The door jamb switch is a normally closed switch so when the door is open the switch closes and connects the single red wire to ground. That red wire is very thin, easy to break. A broken (open) wire would look like “door closed” to the Main Body ECU. If the audio installer pulled up door jamb trim pieces or the B pillar cover to run wires it could have happened there. That’s where I’d check after testing the switch itself.

    Another idea: the screw holding the jamb switch in provides the ground connection to the switch. Maybe water leaked in there and it’s corroded.
     
    Last edited: Feb 22, 2021

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