
CS-TJ20
Radio Replacement with Steering Wheel Control Retention for
LEXUS & TOYOTA Vehicles with JBL Systems
Crux Interfacing Solutions • 21541 Nordhoff St., Unit C, Chatsworth, CA 91311
phone: (818) 609-9299 • fax: (818) 996-8188 • www.cruxinterfacing.com
RADI O REPL ACEME NT
SWC RET ENTIO N
+
R
INTERFACING SOLUTIONS
- Retains factory features in select Lexus and Toyota vehicles with JBL Harman-Becker Digital-Synthesis Amplier,
including JBL (Pioneer-made) ampliers while funconing with an aermarket radio.
- Pre-programmed to retain factory Steering Wheel Controls.
- iPhone Voice Recognion (VR) feature from SWC on select Kenwood, Pioneer, Alpine and JVC radios.
- Variable audio gain adjustment to level match the aermarket radio and factory amplier.
- Retains OEM 3.5mm Auxiliary Audio Input.
- Supports BT-HF/A2DP/AVRCP prole on select aermarket radio models.
- Supports Pick Up/End Call, Pick up and Toggle between 1st and 2nd incoming call, AVRCP Track, Seek.
- EIA color coded wiring for easy installaon.
1. Le-Right Balance Audio Control and Front-Rear Audio Fading is not supported.
2. Please make sure factory radio Balance and Fade opons are centered before removing the radio.
CS-TJ20 Module TY-A Harness
(For Newer Models)
TY-B Harness
(For Older Models)
3.5MM to 4-pin SWC Cables OEM Camera Retenon Harness 16 to 24 Pin Camera Adapter
1. In some Lexus/Toyota vehicles 2006 and older, the mute circuit is located in the same pin locaon as the amplier
turn-on on the OEM harness. If no audio is heard aer the installaon is complete, disconnect the BLUE/WHITE wire
on the CS-TJ20 T-Harness from the aermarket radio AMP Turn-on wire. Insulate with tape to avoid short circuits.
2. Before connecng the 3.5mm SWC Cable, thoroughly wipe it clean with the alcohol cleansing pad provided. This will
ensure a solid contact with the aermarket radio SWC circuit.
3. To retain the factory AUXILIARY INPUT opon in the vehicle, the aermarket radio must have an “Auxiliary Audio
Input” feature. Please check your aermarket radio manual for details.
IMPORTANT INSTALLATION NOTES: