IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Wiring diagram for rearview mirror?

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Old May 11, 2014 | 05:25 PM
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Default Wiring diagram for rearview mirror?

Anyone have a diagram as to what each wire does for the rearview mirror? I'm trying to install my mirrortap for my radar detector...
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Old May 11, 2014 | 06:26 PM
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I'm trying to do similar but adding dash cam. How did you take out the cover?
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Old May 12, 2014 | 08:19 AM
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Just off memory, the two lower (bottom when in the car) left wires are where I tapped my V1.
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Old May 12, 2014 | 08:36 AM
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Originally Posted by CJW
Just off memory, the two lower (bottom when in the car) left wires are where I tapped my V1.
How did you take this cover off?
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Old May 12, 2014 | 07:43 PM
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Originally Posted by dojoman
How did you take this cover off?
Slide it down a little to clear the headliner and then it just snaps off...
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Old May 12, 2014 | 08:07 PM
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Originally Posted by b00st3
Slide it down a little to clear the headliner and then it just snaps off...
Thanks.......
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Old May 13, 2014 | 07:34 PM
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Pin 1 (Blue): Ignition Power
Pin 2 (Puple): Ground
Pin 3 (not on ewd?)
Pin 4 (Green): Signal for light control
Pin 5 (White): Signal for light control (both are MPX)
Pin 6 (Pink): Power

Pin 1 is fused with the 10A IG1 NO.3 fuse
Pin 6 is fused with the 10A MPX-B NO.1 fuse

Hope that helps. I would not do anything to the Green and White wires. How are you tying it in?
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Old May 13, 2014 | 08:08 PM
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Wow thanks for that...I'm guessing ignition power is switched power and just "power" is possibly constant. I have the mirror tap cable from mirrortap.com to tie it in.

Thanks again!
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Old May 14, 2014 | 03:21 PM
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Correct. Ignition power is only when the ignition is on. Power is constant.

No problem.
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Old Sep 8, 2015 | 10:30 AM
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Default retrofit auto high beam

Originally Posted by onepointon
Pin 1 (Blue): Ignition Power
Pin 2 (Puple): Ground
Pin 3 (not on ewd?)
Pin 4 (Green): Signal for light control
Pin 5 (White): Signal for light control (both are MPX)
Pin 6 (Pink): Power

Pin 1 is fused with the 10A IG1 NO.3 fuse
Pin 6 is fused with the 10A MPX-B NO.1 fuse

Hope that helps. I would not do anything to the Green and White wires. How are you tying it in?
hello there,i hope you can assist, i have a 2010 lexus rx450h with auto lights led afs and i purchased a rear view mirror with auto high beam sensor .i cannot find the pin config and connection wiring info in order to connect it on my car,since it is can bus should allow the body electronics network to activate the high beams or lower beams.part no :87100e050
any help will be apreciated
thnx
Ari
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Old Sep 9, 2015 | 08:36 AM
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Originally Posted by danikas
hello there,i hope you can assist, i have a 2010 lexus rx450h with auto lights led afs and i purchased a rear view mirror with auto high beam sensor .i cannot find the pin config and connection wiring info in order to connect it on my car,since it is can bus should allow the body electronics network to activate the high beams or lower beams.part no :87100e050
any help will be apreciated
thnx
Ari
This is the 3rd generation IS forum, and this thread is over a year old. You may have better luck in the forum for the RX
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Old Sep 9, 2015 | 10:01 AM
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Originally Posted by DrHorrible
This is the 3rd generation IS forum, and this thread is over a year old. You may have better luck in the forum for the RX
I did allready noone answeredso far..
Itshould be the same with other models..
Thx anyway
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Old Jun 24, 2016 | 02:28 AM
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Hi, I know this post is a bit old and my car is a different model (2016 RC300h). I am in the process of installing a tap-wire from the mirror harness myself, and I already fashioned a telephone cable with the appropriate terminal lugs to plug into the harness. My problem is that the colors of the cables in my harness are the same of those in the IS... but are reversed

Do you have any idea if the pinout is the same regardless of the cable color (IS and RC share many elements) or should I go buy a voltimeter and check it before plugging the cable in? (I fear toasting my valentine one).

Thank you for your ideas.



Pinout for 2016 RC300h<br/>
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Old Jul 20, 2016 | 10:09 AM
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Default Did you figure it out?

Hey Mattlocked,

I'm running into the same issue with my RC as well. Did you ever figure out which colors corresponded to the ground versus power? On my vehicle I'm showing blue as ground and purple having power.

Also, when I tested with a voltimeter, the "ground" (blue on the 2016 RC) wire still read a 0.01. Did you still use that as your ground connection?

Thanks bro,

Originally Posted by mattlocked
Hi, I know this post is a bit old and my car is a different model (2016 RC300h). I am in the process of installing a tap-wire from the mirror harness myself, and I already fashioned a telephone cable with the appropriate terminal lugs to plug into the harness. My problem is that the colors of the cables in my harness are the same of those in the IS... but are reversed

Do you have any idea if the pinout is the same regardless of the cable color (IS and RC share many elements) or should I go buy a voltimeter and check it before plugging the cable in? (I fear toasting my valentine one).

Thank you for your ideas.



Pinout for 2016 RC300h<br/>
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Old Jul 21, 2016 | 06:22 AM
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Hi, yep: purple: 12V switched, blue: ground. My V1 works great with a cable I made out of telephone cable and two terminals I had in my toolbox.
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