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PAC RP4.2-TY11 Wiring Interface

Connect a new car stereo and retain factory JBL system, steering wheel controls, and aux input in select 2003-up Toyota, Lexus, and Scion vehicles

Item # 541RP4TY11

Find what Fits your car

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Item # 541RP4TY11

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C$159.99

About the PAC RP4.2-TY11 Wiring Interface

PAC's RP4.2-TY11

PAC's RP4.2-TY11 wiring interface lets you install an aftermarket receiver into select 2003-up Toyota, Lexus, and Scion vehicles. The interface works with non-amplified systems, as well as factory JBL and JBL Synthesis amplified audio systems. You'll retain your factory steering wheel control functions and the use of the built-in 3.5 mm auxiliary audio jack. The interface includes wired outputs for navigation radio installation and a 12-volt accessory power lead for your new stereo. Warranty: 1 year.

What's in the box:

  • Radio replacement/SWC interface module (for Toyota/Scion/Lexus)
  • Interface harness
  • Vehicle/Radio harness
  • OBDii connector harness
  • Instructions
MFR #RP4.2-TY11

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PAC RP4.2-TY11 Wiring Interface reviews

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More details on the PAC RP4.2-TY11 Wiring Interface

Stacey B.
The PAC RP4.2-TY11 Wiring Interface replaces these items:

Product Research

Features

Radio Replacement Interface (for Toyota/Scion/Lexus): The PAC RadioPRO RP4.2-TY11 radio replacement interface is designed for 2003-2016 Toyota, Lexus, and Scion vehicle models. The module enables installation of an aftermarket radio while retaining the factory steering wheel control functions as well as maintaining compatibility with the factory JBL and JBL Synthesis amplified audio systems, the built-in 3.5mm auxiliary audio jack, and factory LCD. The built-in USB connection and back-up camera can also be retained in conjunction with an optional adapters (sold separately).

Notes:
  • Adjustment of the vehicle settings through the original radio's vehicle settings menu will be disabled after installation of your new radio. It is advised to make sure all settings are as you desire prior to removal of the original radio.
  • Does not retain Rear Seat Entertainment (RSE).

Vehicle Compatibility: The RadioPRO 4 RP4.2-TY11 is compatible with the following 2001-2016 Toyota, Scion, & Lexus vehicles.

Make Model Year
Toyota 4-Runner 2003-2017
Avalon 2005-2017
Camry 2007-2017
Camry Solara 2004-2008
Corolla 2009-2017
FJ Cruiser 2007-2014
Highlander 2008-2017
Matrix 2005-2012
Prius 2004-2017
Rav4 2004-2017
Sequoia 2005-2017
Sienna 2004-2016
Solara 2005-2008
Tacoma 2005-2017
Tundra 2004-2017
Venza 2009-2015
Yaris 2008-2011
Scion FRS 2012-2016
iM 2016
iQ 2012-2013
tC 2005-2016
xA 2004-2007
xB 2004-2015
xD 2008-2012
Lexus
ES 300 2004-2006
ES 330 2004-2006
LS 430 2006
Notes:
  • Only compatible in Toyota Avalon vehicles equipped with a JBL system.
  • Not compatible in Lexus vehicles equipped with factory navigation.

Radio Select Switch: The radio select switches on the side of the interface must be adjusted to the proper radio setting before plugging the interface into the vehicle. The RP4.2-TY11 is compatible with Alpine, JVC, Kenwood, Clarion, Pioneer, Sony, Jensen, Fusion, Advent, Boyo, Dual, Lightning Audio, Rockford Fosgate, and Visteon aftermarket radios (see owner's manual for appropriate dip-switch setting).

For Amplified & Non-Amplified Systems: The PAC RadioPRO RP4.2-TY11 can be used in vehicles with amplified & non-amplified factory audio systems. It retains JBL and JBL Synthesis amplified audio systems with real-time and programmable speaker fade function.

Note: Aftermarket radio features such as High Pass Filters (crossovers), DSP or "Network Mode" will interfere with proper fader function. In order for the RP4.2-TY11's fader function to work, the audio from the aftermarket radio's output must match so it can compare the front and rear audio levels and determine the proper fader setting for the factory amplifier.

Programmable SWC: The interface comes pre-programmed for all of the vehicle's factory SWC functions and does not require programming, unless you wish to re-assign the SWC functions to different buttons or create secondary functions. The SWC functions can be easily programmed; see default SWC button assignments in the included user manual. The interface retains programming even if your vehicle's battery is disconnected.

Note: The SWC harness contains a Blue/Yellow wire and a 3.5mm connector. You will only use one of the connectors, based on your type of aftermarket radio. The Blue/Yellow wire supports Kenwood and newer JVC receivers. The 3.5mm jack supports Alpine, Jensen, Older JVC, Clarion, Pioneer, Sony, and Dual radios. Not compatible with Soundstream head units.

Factory Aux Input Retention: The PAC RadioPRO RP4.2-TY11 radio replacement interface module retains your vehicle's factory 3.5mm auxiliary input. Your aftermarket stereo must be equipped with a rear-panel Aux input (RCA-to-3.5mm adapter may be required).

+12V/10A Accessory Output: In many Toyota/Scion/Lexus vehicles, there is no 12-volt accessory wire in the factory harness, which requires the installer to run an accessory wire to the fuse box or underneath the steering column when installing an aftermarket radio. PAC's RP4.2-TY11 is designed to provide a 12V/10A switched accessory output (red wire).

Navigation Outputs: The PAC radio replacement interface provides wired outputs for navigation radio installation; including a VSS (vehicle speed sense), Parking Brake, and a Reverse Gear output to make installing an aftermarket navigation head unit simpler and less time consuming.

Note: Navigation outputs not retained by all vehicles.

Retains Factory Info Display: The PAC RadioPRO RP4.2-TY11 radio replacement interface module retains the factory info display (when applicable). Make sure the interface module has the latest firmware version installed.

Optional Factory USB & Backup Camera Harnesses: You are also able to retain your vehicle's factory USB input and backup camera in select vehicles with an optional harness: CAM-TY11 or CAM-TY12 (retains backup camera), or AX-TOYUSB or AX-TOYUSB-2 (retains USB input).

RadioPRO App: PAC offers a Windows compatible RadioPRO App software program to help you configure the interface. Use of the RadioPRO App allows you to do the following.

  • Red/White wire output behavior
  • Aftermarket radio Parking Brake Sequencing
  • Factory amplifier settings (Bass, Mid, Treble, Gain, Fader & Balance)
  • Real Time Fading
  • Update Product Firmware
  • Read Firmware/Hardware Versions
  • Access Product User Manuals
Note: The interface must be connected to the vehicle and your Windows laptop when using the RadioPRO App.

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Customer Q&A

23 questions already asked

Q
Has anyone had any luck using this on a JBL system and a generic android based head unit?
[ ToyotaGuy  Jul 09, 2020 ]
1 answer
A
This wiring interface does work in the JBL and JBL Synthesis amplified audio systems to install radios designed to a universal fit style. The only potential issue there might be is with retaining the steering wheel radio controls for the brands not listed in their compatibility chart
[ Paul  Jul 28, 2020 ]  Staff
Q
Will this work on my 2007 toyota camry with navigation and jbl to connect a Kenwood double din?
[ Robby  May 27, 2020 ]
1 answer
A
This interface will work in your Camry to install aftermarket radios such as Kenwood and other brands. A mounting kit is also needed. There may be color choices available (black and silver at the time of this post). I recommend contacting an advisor on 1-800-324-9695 to make sure you get all the necessary parts
[ Paul  Jun 20, 2020 ]  Staff
Q
What is the solid blue wire for on Interface Connector 4? It's not listed in the wiring diagram. I have Blue/Yellow Stripe, Blue/White Stripe, and the mysterious solid blue wire. Any help would be much appreciated.
[ Joe  May 23, 2020 ]
1 answer
A
Joe: Usually solid blue is the remote turn on wire for the amp. Not sure if it is in this case but that's my best guess. If you are unsure call Crutchfield. They should be able to assist.
[ chad  May 24, 2020 ]
Q
will i still be able to view my screen with climate control and gas mileage ?
[ Lorenzo  Apr 26, 2020 ]
1 answer
A
I'm not sure since I don't have that set up on my head unit, sorry.
[ Douglas  Apr 26, 2020 ]
Q
Ok I have a 2019 Tacoma. Putting in a kenwood dmx7706s I have a rp4.2-ty11 and I got the cam ty12 to keep my factory reverse camera... I'm lost where do I connect them? ( the red and black on cam-ty12)to the rp4.2-ty11 so camera come in in reverse please help
[ Amy  Apr 20, 2020 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
[ Krissy  May 05, 2020 ]  Staff
Q
I have a 2007 Toyota Camry with a JBL system. Upgrading to a Boss BV800ACP receiver and the PACRP4.2-TY11 wiring interface, will I be able to connect to the new unit via usb input?
[ Ronnie  Apr 10, 2020 ]
1 answer
A
Did my 07 tundra with the same interface works great.. i had Crutchfield connect all the harnesses, all plug and play..paided extra well worth it.
[ Ronald  Apr 16, 2020 ]
Q
Works on 2013 Toyota highalnder limited?
[ nopain  Apr 08, 2020 ]
1 answer
A
More than likely. It worked on my 2012 Tacoma TRD pro with the JBL audio. It's just bulky and there are extra wires that you won't need get in the way
[ Scott  Apr 09, 2020 ]
Q
I want to update the headunit ATOTO A6 Pro A6Y2721PRB to my Toyota Camry Hybrid 2007, does this work with this model and headunit?
[ Kelvin  Dec 06, 2019 ]
1 answer
A
Though I am not familiar with the head unit you are looking at, I did use this interface with my 2011 Camry and it has worked flawlessly. I hooked it to a Sony XAV-651BT DVD player receiver. All of the steering wheel functions still work like they should. I hope you enjoy it.
[ Ronnie  Dec 06, 2019 ]
Q
I have a 2007 toyota rav 4. And i am looking to buy this PAC. I want to know will this PAC allow me to keep the steering wheel controls for how I answer and disconnect my phone calls via the buttons on my steering wheel?
[ Bullfrog  Jul 27, 2019 ]
4 answers
A
When I installed this in my Sequoia all the OEM controls worked just like before.
[ Paul  Jul 28, 2019 ]
A
Sorry I don't know. I used this for a 2005 Tundra that did not have that capability. I so know that the unit does have more plug-ins that I didn't use.
[ Kathleen  Jul 27, 2019 ]
A
I think so; it does in my 07 4Runner. Definitely test it before you button up the dash and if it doesn't work you know Crutchfield will help you out and take it back if it doesn't meet your needs.
[ Robert  Jul 27, 2019 ]
A
It all depends on the type of car stereo it is being paired with. I would advise you to download the manual for the PAC. There is a matrix in the manual that shows if phone options are available for a variety of stereo manufacturers. Best of luck.
[ Craig  Jul 27, 2019 ]
Q
I have a 2007 Toyota avalon xls w/ JBL system without navigation, what are all the accessories I would need to run a pioneer double din deck, while maintaining HVAC and steering wheel controls?
[ Harvey  Apr 02, 2019 ]
1 answer
A
The ability to retain steering wheel controls with aftermarket receivers will be determined by the receiver you are using and the vehicle you have. For full information on this type of integration (including the parts you will need) please contact an Advisor by phone (1-800-324-9695) or online chat.
[ Krissy  Apr 09, 2019 ]  Staff
Q
WILL this work in a 2004 toyota seqouia with jbl 6?
[ Tilii  Nov 21, 2018 ]
2 answers
A
Yes working correct in my Toyota Tundra 2006
[ ALVIN  Nov 22, 2018 ]
A
I used this adapter on my wife's 2008 Highlander and retained all steering wheel functions. Install couldn't be easier.
[ Ronald  Nov 21, 2018 ]
Q
i want to change the rear speakers but they have a 4 wires conector.. and i want to replace the factory spks with a new pioneer set.. and they have only 2 wires.. can use the PAC RP4.2-TY11 Wiring Interface for this modification? 2007 camry xle jbl audio W/o navigation sys
[ checo  May 18, 2018 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
[ Krissy  May 25, 2018 ]  Staff
Q
Will this allow the use of the factory AUX/USB plugs in my 2011 Toyota Sienna LE?
[ Rachel  Apr 25, 2018 ]
1 answer
A
With the proper accessories and a compatible aftermarket stereo, yes; the stock aux and USB inputs can be retained with this harness. For additional assistance and personalized recommendations, feel free to contact us directly by phone or through our online chat service: https://www.crutchfield.com/support/ContactUs.aspx
[ Ryan  May 04, 2018 ]  Staff
Q
Can I use the PAC RP4.2-TY11 with the idatalink meastro RR?
[ Kenneth  Mar 14, 2018 ]
1 answer
A
Use kne or the other. Depending on year they will do the same thing. The Maestro will offer more features.
[ TYLER  Mar 27, 2018 ]
Q
Does this interface work with Clarion NX807?
[ Jeremiah  Oct 13, 2017 ]
1 answer
A
This interface will work with your Clarion navigation receiver. HTH! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Oct 18, 2017 ]  Staff
Q
Does this connect the video from the backup camera?
[ Tim  Oct 08, 2017 ]
2 answers
A
Yes it does. This piece practically does everything.
[ LESLIE  Oct 08, 2017 ]
A
It HAS the ability to, but I believe you will have to find and tap into the video wire. Mine didn't have a simple connector that you plug into.
[ Steve  Oct 08, 2017 ]
Q
Hey so I have a 2007 Toyota Tundra, got the PAC, everything is connected the screen lights up shows connection to Bluetooth but there is no audio, so what's the problem? Sometimes the audio will just pop on too and scare the shit out of me.
[ Scoots  Sep 05, 2017 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer, or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/.
[ Krissy  Sep 06, 2017 ]  Staff
Q
What do I need to install a aftermarket amplifier only. in a Factory Auto system for a 2017 Camry ?
[ Steve  Jun 13, 2017 ]
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss what is compatible with your factory system. They will be able to pull up your vehicle and see how everything integrates and what you will need for installation into your vehicle.
[ Kenny  Jun 13, 2017 ]  Staff
Q
Will this allow me to retain my SWC, factory amp with balance and fade control on a 07 Tundra with JBL system?
[ blake  May 22, 2017 ]
1 answer
A
The ability to retain steering wheel controls with aftermarket receivers will be determined by the receiver you are using and the vehicle you have. For full information on this type of integration (including the parts you will need) please contact an Advisor by phone (1-800-324-9695) or online chat.
[ Kenny  May 22, 2017 ]  Staff
Q
where does the 3.5mm SWC plug into the stock harness of a 2004 sienna w/out JBL?
[ dennis  Apr 17, 2017 ]
1 answer
A
The ability to retain steering wheel controls with aftermarket receivers will be determined by the receiver you are using and the vehicle you have. For full information on this type of integration (including the parts you will need) please contact an Advisor by phone (1-800-324-9695) or online chat.
[ Kenny  Apr 17, 2017 ]  Staff
Q
What does the red indicator on the device mean?
[ Eric  Jun 29, 2016 ]
2 answers
A
I used this wiring interface for my 2008 Toyota FJ Cruiser. i have a subwoofer on/off button. i can't get the subwoofer to work. what do i do ? Enter an answer to this question.
[ Dino  Jan 13, 2019 ]
A
I am not sure. I can only imagine that it is on because not all input/outputs are being used.mine was red as well and everything works fine. I don't have steering wheel controls or navigation applied so it may read it as an error.
[ Larry  Jul 03, 2016 ]
Q
I bought the Jensen VX7020 and all the features work except my radio. Will this product make my radio work?
[ Garrett  Apr 21, 2016 ]
2 answers
A
Not sure. Is your radio not working at all or are you having problems with harness. This was the only harness that would work with my toyota 4runner...Its the best harness out there..
[ TIM  May 11, 2016 ]
A
Depending on the year, make and model of your vehicle, this may be one of the items needed to install a new radio correctly. In order to see what you'd need for your car, you can use the "OutfitMyCar" application our website: http://www.crutchfield.com/car/carselector.aspx?lp=%2fCar%2foutfitmycar%2fcar.aspx You can also reach out to an Advisor for more help using the "Contact Us" link at the top of the page. I hope that helps.
[ Larry  Apr 24, 2016 ]  Staff
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