1. Introduction and Overview
This manual provides detailed instructions for the installation and operation of your GROM TOYNB3 Bluetooth AUX Car Adapter Kit. This device integrates Bluetooth hands-free calling and wireless audio streaming into the original factory stereo of compatible vehicles. It also offers auxiliary input capabilities for connecting other mobile devices.
The GROM-BT3 module allows you to control media directly from your car's stereo or steering wheel controls, ensuring a seamless and integrated audio experience without altering the vehicle's original dashboard layout.
2. Package Contents
- GROM BT3 Digital Interface Module
- Omnidirectional Microphone with Swivel Mount (10 Ft cable)
- Vehicle-Specific Wiring Harness
- Installation Manual (this document)
3. Vehicle Compatibility
The GROM TOYNB3 Bluetooth AUX Car Adapter Kit is compatible with select Toyota, Scion, and Lexus vehicles from 2003-2012. Please verify your vehicle's specific model and year against the list below to ensure compatibility.
Lexus:
- ES 300/330/350 (2005-2009)
- GS 350/430/450H/460 (2006-2009)
- GX 470 (2005-2009)
- IS 250/300/350 (2006-2009)
- IS 250/300/350 (2010-2013, No Navigation)
- LS 430 (2004-2007)
- LX 470 (2004-2007)
- RX 330/350/400H (2004-2009)
Scion:
- tC (2005-2010)
- xA (2004-2006)
- xB (2004-2007)
- xD (2008-2012)
Toyota:
- Altezza (2008-2009)
- 4 Runner (2003-2009, No DVD)
- 4 Runner (2010-2012, No DVD, No Navigation)
- Avalon (2005-2012, No Navigation for 2011-2012)
- Camry (2005-2009)
- Camry (2010-2012, No Navigation)
- Celica (2003-2012)
- Corolla (2005-2012, 2012 No Navigation)
- FJ Cruiser (2007-2012)
- FJ Cruiser (2012-2012, No Navigation)
- Highlander (2004-2010)
- Highlander (2011-2012, No Navigation)
- Landcruiser (2003-2009)
- Landcruiser (2010-2012, No Navigation)
- Matrix (2005-2012, 2012 No Navigation)
- MR2 Spyder (2003-2007)
- Prius (2004-2009)
- Prius (2010-2011, No Navigation)
- RAV4 (2003-2012, 2012 No Navigation, No MEDIA button)
- Sequoia (2003-2009)
- Sequoia (2010-2012, No Navigation)
- Sienna (2004-2010)
- Sienna (2011-2012, No Navigation)
- Solara (2004-2012)
- Tacoma (2005-2012, 2012 No Navigation)
- Tundra (2003-2009)
- Tundra (2010-2012, No Navigation)
- Venza (2008)
- Venza (2009-2012, No Navigation)
- Vitz (2006-2012, 2012 No Navigation)
- Yaris (2006-2012, Stereo T1817 Is not compatible / 2012 No Navigation)
Not compatible with models: T1809, T1819, T10004, T1815, T10002, T10015, Alpine AXCL-W09U.
4. Safety Information
CAUTION: This product emits radio frequency energy. Follow all safety instructions in the user manual.
WARNING: This product contains a 12V DC power source. Do not open or short circuit. Keep away from heat, open flames, and moisture. Do not dispose of in regular trash. Recycle according to local regulations.
5. Setup and Installation
The GROM TOYNB3 adapter is designed for plug-and-play installation, connecting directly to the back of your compatible car stereo. This process typically involves removing the car stereo to access the rear ports.
- Access the Stereo: Carefully remove the dashboard trim panels and unscrew the car stereo to gain access to its rear connections. Refer to your vehicle's service manual for specific instructions on stereo removal.
- Connect the Harness: Locate the CD changer port or auxiliary input port on the back of your car stereo. Connect the vehicle-specific harness from the GROM BT3 module to this port. Ensure a secure connection.
- Power and Connectivity: The harness provides both power and audio signal connectivity to the GROM BT3 module.
- Microphone Installation: Plug the omnidirectional microphone into the designated MIC port on the GROM BT3 module. Route the microphone cable to a suitable location, such as near the rearview mirror or on the dashboard, for optimal hands-free call quality. Secure the microphone using its swivel mount.
- Auxiliary Input (Optional): If you wish to use a wired auxiliary input, connect an optional 3.5mm AUX cable (not included, GROM 35USB cable sold separately) to the AUX port on the GROM BT3 module.
- USB Input (Optional): The GROM BT3 module may feature a USB port for charging or playing media from a USB drive. Connect your USB device as needed.
- Secure the Module: Once all connections are made, secure the GROM BT3 module in a safe, accessible location behind the dashboard, away from moving parts or heat sources.
- Reassemble: Carefully reassemble the dashboard trim and secure the car stereo back into its position.
Image: The GROM BT3 module, showing its compact size, connection ports for microphone and extension cables, and the included wiring harness and microphone. This illustrates the components involved in the installation process.
6. Operating Instructions
After successful installation, operate the GROM TOYNB3 module as follows:
- Activate the Module: Turn on your car stereo and select the CD changer or AUX input source. The GROM BT3 module will power on, indicated by a blue LED light.
- Pairing Bluetooth:
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings.
- Search for available devices. The GROM BT3 module will appear as "GROM-BT3" or a similar identifier.
- Select the device to pair. A confirmation tone or message may indicate successful pairing.
- Bluetooth Audio Streaming: Once paired, you can stream audio directly from your phone to the car stereo. Use your phone's media player to select and play music.
- Hands-Free Calling:
- When a call comes in, you can accept or reject it using your car stereo controls (if supported) or directly from your phone.
- Voice dialing may also be supported depending on your phone and stereo capabilities.
- Conversations will be routed through the car speakers, and your voice will be picked up by the installed microphone.
- Steering Wheel Controls: Utilize your existing steering wheel controls to manage media playback (e.g., track skip, volume) and hands-free calls, maintaining convenience and safety.
- Auxiliary Input: If using the optional AUX cable, select the AUX input source on your car stereo and connect your device to the 3.5mm jack on the GROM BT3 module.
7. Troubleshooting
If you encounter issues with your GROM TOYNB3 adapter, refer to the following common troubleshooting steps:
- No Power/No Blue LED:
- Ensure the car stereo is on and the correct source (CD changer/AUX) is selected.
- Check all wiring connections, especially the vehicle-specific harness to the stereo, for secure fit.
- Verify that your vehicle's stereo is compatible with the GROM TOYNB3 module.
- Bluetooth Not Pairing:
- Make sure the GROM BT3 module is powered on and its LED is flashing (indicating pairing mode).
- Ensure Bluetooth is enabled on your mobile device and it is discoverable.
- Try restarting both your mobile device and the car stereo.
- Delete any previous pairings for "GROM-BT3" on your device and attempt to pair again.
- Poor Audio Quality/Static:
- Check the volume levels on both your mobile device and the car stereo.
- Ensure all audio cables (if using AUX) are securely connected and not damaged.
- Minimize interference from other electronic devices in the vehicle.
- If using AUX, try a different 3.5mm cable.
- Hands-Free Call Issues:
- Verify the microphone is securely plugged into the GROM BT3 module.
- Ensure the microphone is positioned correctly and not obstructed.
- Check your phone's settings to ensure call audio is routed to the Bluetooth device.
8. Specifications
- Product Dimensions: 7 x 4.25 x 2.75 inches
- Item Weight: 3.2 ounces
- Model Number: GROM-BT3-TOY
- Wireless Communication Technologies: Bluetooth
- Connectivity Technologies: Auxiliary, Bluetooth
- Special Features: Hands Free, Play, Plug
- Human Interface Input: Buttons
- Manufacturer: GROM Audio
- Power Source: Adapter (12V DC from car stereo)
9. Warranty and Support
For warranty information, technical support, or further assistance, please contact GROM Audio directly or refer to their official website. Keep your purchase receipt as proof of purchase for any warranty claims.