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Need pinout for overhead dome light Gen 3

Discussion in 'Gen 3 Prius Accessories and Modifications' started by teamneon, Nov 25, 2014.

  1. teamneon

    teamneon Junior Member

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    Vehicle:
    2010 Prius
    Model:
    II
    Hi guys, im working on a mod but need to know if anyone has a pinout for voltage for the gen 3 overhead light panel? Here is the panel. It has a 20pin plug in.

    [​IMG]
     
    #1 teamneon, Nov 25, 2014
  2. kenmce

    kenmce High Voltage Member

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    Does this car have that Toyota OnStar thing?
     
    #2 kenmce, Nov 25, 2014
  3. teamneon

    teamneon Junior Member

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    No it does not. I traced it out. ill post what im doing tonight. thanks
     
    #3 teamneon, Nov 26, 2014
  4. 4o66

    4o66 Junior Member

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    Vehicle:
    2019 Prius Prime
    Model:
    Prime Plus
    Ok, working on adding an aftermarket HomeLink door opener and needed this info too.

    Here is what I found: (2015 Prius Persona, no OnStar-like service.)

    Pin 1: White/Black Ground
    Pin 2: Black Mic:SNS2
    Pin 3: White Mic:MCO-
    Pin 4: Black Mic:MCO+
    Pin 5: Red Mic:MACC
    Pin 6: Purple, N/C to Board
    Pin 7: Green, N/C to Board
    Pin 8: Green Tail lights on (+12v)
    Pin 9: N/C
    Pin 10: Yellow, N/C to Board
    Pin 11: Doors Open (Pulls to Ground on Door Open)
    Pin 12: White Rear dome light Door Open (Pulls ground if switch in in "Door" mode and Doors are open.)
    Pin 13: N/C
    Pin 14: N/C
    Pin 15: N/C
    Pin 16: N/C
    Pin 17: White Ground out to Rear Dome
    Pin 18: N/C
    Pin 19: White +12v out to Rear Dome
    Pin 20: Red +12v (10A Fused, Dome Light)

    N/C = Not Connected.
    Some pins had wires on the plug, but were not connected to anything on the dome light circuit board.
    Pins 2-5 are for the Blue-tooth microphone.
     
    #4 4o66, Dec 5, 2014
  5. mrbigh

    mrbigh Prius Absolutum Dominium

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    THANKS FOR THE INFORMATION
     
    #5 mrbigh, Dec 5, 2014
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