1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your JOYING JY-HT902N12 Android Car Radio. This intelligent car GPS navigation system is specifically designed for the Honda Civic 2012 (Left Drive) and features a 12.3-inch QLED screen, a powerful Snapdragon 6490 processor, 12GB RAM, and 256GB internal storage, along with integrated CarPlay and Android Auto functionalities. This model is plug and play for your car and retains factory steering wheel and A/C controls.
Figure 1: JOYING JY-HT902N12 Android Car Radio Overview
2. Package Contents
Please verify that all items listed below are included in your package:
Figure 2: Included Package Components
- 12.3-inch Head Unit
- Frame Kit
- Single Din Cage
- Power Cable (may vary depending on purchase option)
- BT Antenna (x1)
- WiFi Antenna (x2)
- 4G Antenna (x2)
- USB Cable (x2)
- User Manual
- GPS Antenna (x1)
- External Microphone (x1)
- AR Cable (x1)
- Screen Ribbon Cable (x1)
3. Installation Guide
This unit is designed for plug-and-play compatibility with your Honda Civic 2012. Proper selection of the unit based on your car's original dashboard configuration is crucial for receiving the correct wiring harness.
3.1 Confirming Your Car Dashboard
Before installation, identify your car's dashboard type to ensure you have the correct unit and wiring. Refer to the image below:
Figure 3: Car Dashboard Confirmation for Honda Civic 2012
- Option A: Dashboard without screen (standard).
- Option B: Dashboard without screen (premium audio system).
- Option C: Dashboard with DA screen.
Selecting the correct option ensures you receive the appropriate wiring harness for a seamless plug-and-play experience.
3.2 Retained Original Features
The JOYING JY-HT902N12 is designed to retain several of your vehicle's original features:
Figure 4: Retained Original Car Features
- OEM Amplifier
- Factory Reverse Camera
- Factory Subwoofer
- Factory Steering Wheel Control
3.3 Head Unit Rear Interfaces (Wiring)
Familiarize yourself with the rear interfaces of the head unit for proper connection of all components.
Figure 5: Head Unit Rear Interfaces
- Power: Main power connection.
- Radio-ANT: Connects to the vehicle's radio antenna.
- GPS: Connects to the included GPS antenna.
- BT Antenna: Connects to the included Bluetooth antenna.
- WiFi Antenna (x2): Connects to the two included WiFi antennas.
- 4G Antenna (x2): Connects to the two included 4G antennas.
- USB (x2): For connecting USB devices (e.g., flash drives, external storage).
- USB-OTG: On-The-Go USB port.
- Mic: Connects to the external microphone.
- HDMI In: Allows connecting external video sources (e.g., gaming consoles).
- HDMI Out: For syncing the infotainment screen to rear headrest screens.
- Type-C: Connects portable screens for dual-screen operation.
- AVM360: Interface for 360-degree panoramic camera (camera sold separately).
- Audio Outputs (FL, FR, RL, RR, SUB): Front Left, Front Right, Rear Left, Rear Right, Subwoofer audio outputs.
- Video Inputs (RIN, LIN): Rear and Left video inputs.
- Optical/Coaxial: Digital audio outputs.
Note: HDMI cable and USB Type-C cable are not included.
4. Features Overview
The JOYING JY-HT902N12 is equipped with advanced features for an enhanced in-car experience.
4.1 Core System Architecture
Figure 6: Motherboard Feature Overview
- Processor: ARM QCM6490 Octa-core (4x Kryo 670 Gold @ 2.7 GHz, 3x Kryo 670 Gold @ 2.4 GHz, 4x A55 Silver @ 1.9 GHz)
- GPU: Qualcomm Adreno™ 643 @ 814 MHz, 14 TOPS computing power.
- Memory & Storage: 12GB RAM, 256GB ROM.
- Operating System: Android 13.
4.2 Audio System
Figure 7: DTS Sound System
Figure 8: Advanced Audio Processing
- Amplifier: TDA7850 (4x20W RMS @ 14.4V, 50W max/channel, THD+N < 0.1%).
- Audio DSP: AKM 7739 (24-bit ADC & 32-bit DAC, multi-channel audio processing, VELVET SOUND Technology).
- Audio DAC: AKM 4432 (192kHz PCM Input, 32-bit Processing & Low-Distortion).
- Equalizer: 48-band EQ with 20 selectable sound effect styles.
- Outputs: 4*Audio Outputs, 1*SUB Output, Fiber Optical Output, SPDIF Coaxial Output.
4.3 Connectivity
Figure 9: Integrated GNSS and WiFi 6E
- GNSS: Multiband GPS, GLONASS, NavIC, BeiDou, Galileo (L1 and L5 bands).
- WiFi: 802.11A/B/G/N/AC (WiFi 6E), supports 2.4 GHz, 5 GHz, 6 GHz bands, MIMO 2x2, MU-MIMO.
- 4G Module: Supports various LTE-TDD, LTE-FDD, WCDMA, and GSM frequency bands. Note: The models do not support Russian SIM cards. This unit supports data access but cannot make phone calls or send SMS.
- Bluetooth: Dual-mode Bluetooth (BTZ WCN6856) supporting simultaneous connections (e.g., two smartphones or a phone and an OBD dongle).
- Tuner: NXP TEF6686 (Automotive-grade FM/AM/RDS support).
4.4 Display & Interface
- Screen: 12.3-inch QLED, 1920*720 resolution, touch screen.
- HDMI: HDMI Input (for external devices) and HDMI Output (for rear screens).
- Type-C: For connecting portable screens for dual-screen operation.
4.5 Cooling System
Figure 10: Advanced Cooling System
The unit features an advanced engineering high-efficiency cooling system to maintain optimal performance.
5. Operating Instructions
5.1 Basic Navigation and App Management
Figure 11: Navigation and App Interface
- Switching Apps: Tap the "---" icon on the screen to switch to the app's interface. Long-press to switch between different running applications.
- Multi-Window: The Android system supports multi-window display, allowing you to run two applications side-by-side (e.g., navigation and music).
5.2 CarPlay and Android Auto
Figure 12: CarPlay and Android Auto Integration
The unit supports both Wireless and Wired CarPlay and Android Auto. Connect your compatible smartphone via USB or Bluetooth/Wi-Fi to access phone features, navigation, music, and more directly on the car radio screen.
5.3 Bluetooth Connectivity
The dual-mode Bluetooth allows for flexible connections:
- Connect two smartphones simultaneously.
- Connect one smartphone and an OBD diagnostic dongle for real-time vehicle data.
Figure 13: Bluetooth Audio Quality Comparison
For optimal audio quality, the unit supports Qualcomm aptX™ HD Audio (compatible with Android phones only). iPhones default to the AAC codec.
5.4 Light/Dark Mode
Figure 14: Light/Dark Mode Interface
Switch between light and dark display modes manually or set it to automatic switching based on time of day or vehicle headlights for improved visibility and reduced eye strain.
6. Maintenance
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the screen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid harsh chemicals.
- Software Updates: Periodically check for software updates to ensure optimal performance and access to new features. Updates can typically be found in the system settings menu.
- Environmental Conditions: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Ventilation: Ensure the cooling vents are not obstructed to prevent overheating.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Incorrect wiring; Blown fuse; Vehicle power issue. | Check power cable connections. Verify vehicle fuses. Consult a professional if issues persist. |
| No sound from speakers. | Volume too low; Mute activated; Incorrect audio output settings; Speaker wiring issue. | Increase volume. Check mute status. Verify audio settings. Inspect speaker connections. |
| GPS signal is weak or inaccurate. | GPS antenna obstructed or improperly installed. | Ensure GPS antenna has a clear view of the sky and is securely connected. |
| Bluetooth device cannot connect. | Device not in pairing mode; Incorrect pairing procedure; Interference. | Ensure device is in pairing mode. Follow pairing instructions. Restart both devices. |
| CarPlay/Android Auto not working. | Incorrect USB cable; Phone software issue; App permissions. | Use a high-quality USB cable. Ensure phone software is updated. Check app permissions on your phone. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand Name | JOYING |
| Joying Model | JY-HT902N12 |
| Operating System | Android 13 |
| Processor Type | QCM6490 |
| RAM | 12GB |
| ROM | 256G |
| Max External Memory | 256G |
| Display Size | 12.3'' |
| Resolution | 1920*720 |
| Touch Screen | Yes |
| Built-in Screen | Yes |
| Built-in DVD Player | No |
| Built-in CD player | No |
| Din | One Din |
| Out Power | 50W*4 |
| Voltage | 12 V |
| Item Weight | 5kg |
| Item Size | 12.3 inch |
| Material | Metal+ABS+Glass |
| Interface | USB+RCA |
| TF/Micro SD Slot | 1 |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Multi-language support (Chinese (Simplified/Traditional), Arabic, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, etc.) |
| Special Features | Built-In Speaker/Microphone, WiFi function, Support steering wheel control, Support 3G/4G Network, Support Can-Bus, MP3 players, DSP, CarPlay, Android Auto, Reversing Input, Remote Controller Included |
| Origin | Mainland China |
| Certification | None |
| High-concerned chemical | None |
9. User Tips
- For optimal performance, ensure your vehicle's electrical system is in good condition before installation.
- When connecting to a 4G network, remember that the unit supports data access but not phone calls or SMS.
- Consider purchasing optional accessories like an OBD2 dongle or AR cameras to expand functionality.
- If you plan to use a 360-degree panoramic camera, note that the camera itself is sold separately, and activation of the feature requires an additional fee of USD 30. This fee covers only the activation service and does not include after-sales support for the 360-degree camera itself.
10. Warranty & Support
The JOYING JY-HT902N12 comes with a 2-year warranty.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact JOYING customer service through their official channels.
