About the Crux CS-TJ20 Wiring Interface
You'll only be able to retain your steering wheel audio controls with a compatible car stereo made by Alpine, Boss, Blaupunkt, Clarion, Dual, Jensen, JVC, Kenwood, Pioneer, Sony or Soundstream. No other brands are currently compatible.
Keep those factory options
Crux's CS-TJ20 interface ensures that you can keep the factory steering wheel controls and the factory JBL amplifier in your Scion, Toyota, or Lexus when you install an aftermarket radio. Another plus — your Toyota's auxiliary input will still work with your new car stereo. Connect this interface to the wires on your new stereo's wiring harness, and you've covered the power, ground, and factory speaker connections for your new stereo. You'll also be able to keep your backup camera (if present) in select vehicles. This adapter has RCA jacks to connect to your car stereo's rear aux input; you'll need an RCA-to-miniplug adapter if your stereo has a minijack.
Product highlights:
- connect a new stereo in select 2003-up Toyota-built vehicles
- retain your steering wheel controls with select car stereos
- retains factory aux input
- retains JBL amplifier (does not retain fader control)
- retains backup camera (if present) in select vehicles
- warranty: 1 year
- MFR # CS-TJ20
What's in the box:
Crux CS-TJ20 Wiring Interface owner's manual
- Radio replacement interface
- TY-A harness
- TY-B harness
- Camera retention harness
- 16 to 24-Pin camera harness
- SWC harnes (Kenwood/JVC/Clarion/Alpine)
- SWC harness (Pioneer/Sony)
- Boss radio SWC connector
- Installation Instructions
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More details on the Crux CS-TJ20 Wiring Interface
Product Research
Features
Radio Replacement Interface: The CRUX CS-TJ20 is a radio replacement interface for select Toyota and Lexus vehicles with factory JBL audio systems. It facilitates the integration of an aftermarket radio and enables retention of factory features when replacing a factory installed radio in select Toyota and Lexus vehicles featuring factory JBL audio systems. The CRUX CS-TJ20 is also pre-programmed for retention of factory steering wheel controls.
Vehicle Compatibility: The CRUX CS-TJ20 radio replacement interface works with the following 2003-2017 Toyota and Lexus vehicles featuring factory JBL audio systems.
| Make | Model | Year |
|---|---|---|
| Toyota | 4 Runner | 2003-2019 |
| Avalon | 2005-2018 | |
| Camry | 2007-2017 | |
| Camry Solara | 2004-2008 | |
| Corolla | 2009-2017 | |
| FJ Cruiser | 2007-2014 | |
| Highlander | 2008-2018 | |
| Matrix | 2005-2012 | |
| Prius | 2004-2017 | |
| Rav4 | 2004-2018 | |
| Sequoia | 2005-2018 | |
| Sienna | 2004-2016 | |
| Tacoma | 2005-2019 | |
| Tundra | 2004-2019 | |
| Venza | 2009-2015 | |
| Yaris | 2008-2011 | |
| Lexus | ES300 | 2004-2006 |
| IS300 | 2003-2005 | |
| LS430 | 2006 (does not retain steering wheel controls) |
Retains Factory Amplifier: The CRUX CS-TJ20 will retain your vehicle's factory JBL Harman-Becker Digital-Synthesis Amplifier, including JBL (Pioneer-made) amplifiers. Use the three gain adjustment dip-switches to level match your aftermarket head unit's output with the factory amplifier's input. Balance (left/right) control is supported. However, fading (front/rear) control is not supported and lost when replacing the factory radio with an aftermarket head unit.
Retains Steering Wheel Controls: The CS-TJ20 will retain your vehicle's factory steering wheel controls. Two steering wheel control harnesses are included, but only one will be used based on your brand of aftermarket head unit (see Installation Instructions). You will also need to configure the CS-TJ20's three dip-switches based on your brand of aftermarket head unit (see Installation Instructions). Retained steering wheel control functions will vary by brand of aftermarket head unit (some functions require short or long button press).
- Power/On Off
- Source
- Volume Up/Down
- Mute
- Track/Seek Up, Track/Seek Down (including Presets)
- Pick Up/End Call
- Voice Control (requires aftermarket head unit with Siri or Android control)
Retains Factory Aux Input: The CS-TJ20 lets you retain your vehicle's factory Auxiliary Input through the use of your aftermarket head unit's rear-panel Aux input. The CS-TJ20 is outfitted with stereo RCA jacks, so if your aftermarket head unit features a 3.5mm jack, you will need a RCA-to-Minijack adapter (sold separately).
Retains Factory Backup Camera: The included TY-A harness features a composite video jack and a 12V-to-6V voltage converter to retain your vehicle's factory backup camera (if equipped). Your aftermarket head unit will need a composite video camera input to retain your vehicle's camera backup camera.
Navigation Outputs: The included TY-A harness provides a Parking Brake, VSS (vehicle speed sense), and a Reverse Gear output to make installing an aftermarket navigation head unit simpler and less time consuming.
The Crux CS-TJ20 Wiring Interface replaces these items
Crux SWRTY-61J Wiring Interface
- retain your steering wheel controls with select car stereos
- retains factory aux input
- retains JBL amplifier (does not retain fader control)
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Customer Q&A
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Great product, simple installation. I paired this interface with a Kenwood DDX9906XR unit in my 2013 Toyota Tundr with the JBL/ Navigation stereo, and was able to retain my steering wheel controls, fader, and get wireless Apple CarPlay to function.
Matt from Newtown, CT