1. Safety Warnings
- Before installation, you must disconnect the negative pole of the car battery and wait 5-10 minutes for the original car capacitor to fully discharge to avoid short circuits that may damage the original car ECU, Android head unit, and this device. Reconnect the negative pole of the battery after installation; do not plug or unplug the device interface when the battery is not disconnected.
- When the vehicle is in the starting state (including idling), it is forbidden to perform installation, wiring or plugging/unplugging operations to prevent high-voltage electric shock from endangering personal safety and avoid damaging the device and the original vehicle's circuit system; do not touch the metal contacts of the vehicle's circuit interface during installation.
- This product adopts a dedicated integrated connector, which does not damage the original vehicle wiring harness. It can be directly plugged and played through the connector without manual wiring, avoiding wiring errors; when connecting, please gently push the connector into place, and do not plug or unplug it violently to prevent interface damage.
- This product has no signal amplification or electrical isolation function, and is only used for signal conversion and CAN data decoding. It is strictly prohibited to use it in a circuit system beyond the product specifications, and it is forbidden to connect it in series with other signal amplification equipment; it is strictly prohibited to privately modify the product circuit or interface.
- During installation and use, keep away from open flames and high-temperature sources (such as engines, exhaust pipes) to avoid heat aging and short circuits of the device shell and wiring harness, which can cause potential safety hazards.
- It is strictly prohibited for minors and those without basic automotive circuit knowledge to perform installation operations independently. It is recommended to have professional personnel perform installation and commissioning to avoid equipment damage or personal safety issues caused by incorrect operations.
- If the device emits smoke, peculiar smell, abnormal heat or other conditions, you must immediately disconnect the negative pole of the car battery, stop using it and contact the manufacturer's after-sales service. Do not disassemble and inspect it by yourself to prevent electric shock or further damage to the device.
2. Product Overview
This product is specially designed for the installation of after-sales Android head units. Its core function is to adapt and connect the original vehicle wiring harness with the Android head unit, read and parse the vehicle's CAN Bus data, and provide data support for the installation, commissioning and function adaptation of the Android head unit. The product consists of a CAN Bus decoder and a dedicated cable adapter. The decoder has a built-in high-performance chip that can accurately identify the original vehicle's CAN Bus protocol; the cable adapter adopts a foolproof docking design, which does not damage the original vehicle's wiring harness and ensures stable signal transmission.
The product is made of high-quality environmentally friendly materials: the decoder shell is made of flame-retardant ABS engineering plastic, which is wear-resistant, high-temperature resistant and strong in anti-interference; the cable harness is made of pure copper core wire, covered with PVC insulation sheath, which is anti-oxidation and anti-aging, suitable for the complex working environment of the car center console.
Due to differences in vehicle brand, model and year, the compatibility of the decoder varies slightly: mainstream models can achieve full-function adaptation, while some niche models and old models may have incomplete adaptation of some functions. This product is compatible with mainstream Android large-screen head units, no programming required, plug and play, compact structure and strong anti-interference, making it a high-quality supporting accessory for after-sales upgrading of automotive Android head units. Special Note: This product is only compatible with 16-pin specific interfaces and Android large-screen head units with UART communication interfaces.
3. Product Composition
The NSC22 Car Radio Wiring Harness Adapter includes the following components:
- 1x CAN Bus Decoder
- 1 Set Cable Harness Adapter Connector
Kind Reminder: This product is provided as a combination kit by default (including 1 CAN Bus decoder and 1 set of cable harness adapter connectors), and also supports separate sales of individual accessories in the kit (you can purchase the CAN Bus decoder separately or the cable harness adapter connector separately). Please choose carefully according to your actual needs when purchasing to avoid wrong purchase.
Figure 1: Power Wire Harness Components
This image displays the various connectors of the power wire harness, including 20-pin, 24-pin, FM-ANT, RCA audio inputs (AUX L, AUX R), a 16-pin main connector, an 8-pin UART connector, a mode switch, and a 20-pin connector for the CAN Bus Box.
Figure 2: NSC22 Adapter Kit Overview
An overview of the NSC22 wire harness adapter with CAN Bus Decoder. It is compatible with Nissan Navara 2016 (High Level), Juke 2016 (High Level), X-Trail 2016~2018 (Mid-High Level), and Qashaqi 2016 (High Level) for Android head units.
Figure 3: CAN Bus Box and USB Harness Connections
This image shows how to connect the 20-pin power wire harness to the CAN Bus Box and the USB wire harness connections: one end connects to the Android Head unit and the other to the car cable harness.
4. Specifications
| Item | Specification |
|---|---|
| Model Name | NSC22 |
| Brand Name | pinmany |
| Item Type | Cables, Adapters & Sockets |
| Special Features | Harness connector |
| Interface | 16-pin |
| Voltage | 12 V |
| Item Weight | 140g |
| IS It With PCB | Yes |
| Suitable Head unit | Android 7'/9'/10'/etc |
| Suitable Car Models | Nissan X-Trail Qashaqi Navara Juke |
| Working Voltage | DC 12V (Allowable Fluctuation Range: DC 9V-16V) |
| Applicable Vehicle Models | Adapts to Corresponding Vehicle Protocols |
| Working Temperature | -30°C ~ 70°C |
| CAN Bus Rate | Automatically Adapts to Original Vehicle CAN Bus Rate, No Manual Adjustment Required |
| Protection Level | IP54 (Dustproof, Splashproof, Suitable for Complex Environment of Car Center Console) |
| Protocol Compatibility | Supports ISO 11898-2 Standard CAN Protocol, Compatible with Mainstream Vehicle CAN Bus Protocols |
| Product Material | Decoder Shell: Flame-Retardant ABS Engineering Plastic; Harness: Pure Copper Core Wire + PVC Insulation Sheath; Connector: High-Quality Brass Terminal + Flame-Retardant Shell |
5. Function Introduction
- CAN Bus Signal Decoding: Mainly realized by the CAN Bus decoder. The decoder has a built-in high-performance decoding chip, which can quickly adapt to the original vehicle's CAN Bus protocol and accurately parse various core data transmitted by the original vehicle's CAN Bus, including car key switch (ACC), reverse gear, small lights, steering wheel buttons, on-board computer data, door switch status, air conditioning operation parameters, etc. Convert the parsed signal into a format recognizable by the Android head unit to ensure that the Android head unit can read and display it normally, and ensure the synchronous presentation of the original vehicle information.
- Steering Wheel Button Adaptation: Decode the original vehicle's steering wheel button commands, support common operations such as volume adjustment and song switching. It can be used directly after adaptation, and some models require additional setting of learning-type buttons.
- Original Vehicle Function Compatibility: Realize two-way signal transmission between the Android head unit and the original vehicle system. After installation, it will not affect the original vehicle functions such as air conditioning control, light adjustment and fault feedback, ensuring the normal use of the vehicle.
- No Damage to Original Vehicle Wiring Harness, Plug and Play: No manual wiring, no cutting of the original vehicle wiring harness, no professional programming required. It can be directly docked through a dedicated connector, which can accurately match the original vehicle cable connector and the Android head unit connector. The installation is simple and efficient, and even non-professionals can complete the installation and commissioning in a short time. Note: Due to differences in vehicle brand, model and year, please be sure to select the corresponding vehicle model through the CAN Bus setting after installation to ensure that the decoder matches the original vehicle protocol; if the corresponding vehicle model is not found or functional adaptation abnormalities occur, please contact the manufacturer for an adaptation plan.
6. Setup (Installation Steps)
Before proceeding with installation, please ensure you have read and understood the Safety Warnings section.
- Power Off Preparation: Disconnect the negative pole of the car battery, wait 5-10 minutes for the original car capacitor to fully discharge, then perform subsequent installation operations to avoid short circuits that may damage the device.
- Remove the Original Vehicle Host: Gently pry open the original vehicle's center console panel with a plastic pry plate. After removing the panel, unscrew the fixing screws of the original vehicle host and pull out all the wiring harness plugs at the rear of the host (it is recommended to take photos to record the position of the plugs for easy reset).
- Check Compatibility:
Figure 4: 16-pin Head Unit Interface Diagram
Please ensure your head unit has the same 16-pin main interface and specific extended interfaces as shown. This diagram details the pin definitions for BATT+, ILL-DET, KEY-2, Antenna Power, Rear L-/+, Rear R-/+, GND, ACC, Reverse-DET, KEY-1, Front R-/+, Front L-/+.
Figure 5: Original Car Radio Connector Check
Before purchasing, please check if your original car radio has the same 20-pin and 24-pin connectors as shown in the image. This confirms the cable adapter can be adapted to your car. - Dock the Harness: Connect one end of the cable harness adapter connector to the corresponding plug of the original vehicle wiring harness (adopting a foolproof design, which cannot be inserted backwards), and firmly connect the other end to the CAN Bus decoder.
- Connect the Android Head Unit:
Figure 6: Connect Cable Adapter to Android Head Unit
Find the 16-pin power plug of the wiring harness and plug it into the 16-pin power socket of the Android head unit. Then, find the 8-pin UART plug of the wiring harness and plug it into the 8-pin UART socket of the Android head unit.
Figure 7: Connect CAN Bus Box
Find the 20-pin CAN plug of the wiring harness and plug it into the 20-pin socket of the CAN Bus Box. - Fix the Device: Place the CAN Bus decoder in a dry and ventilated place inside the center console, away from high-temperature and water-prone areas, fix it firmly with cable ties, and organize all wiring harnesses to avoid winding and extrusion.
- Power-On Test: Reconnect the negative pole of the car battery, turn on the vehicle's ACC power, start the Android head unit, complete the CAN Bus vehicle model setting, and test whether all functions are normal.
- Reset Installation: After confirming that all functions are normal, push the Android head unit into the center console position, screw on the fixing screws, reinstall the center console panel and press it firmly to ensure no looseness or abnormal noise.
7. Operating (CAN Bus Setting Guide - Mandatory)
The following setup only demonstrates the setup method, which varies from Android head unit to Android head unit. Please try or consult your head unit vendor.
- Enter Settings: Enter the main interface of the Android head unit, find and click the [Settings] icon (usually in the shape of a gear).
- Enter Factory Settings: Find the Factory Settings in the Settings interface, enter the Factory Settings password (common passwords: 3368, 1617, 8317, 8888. If none work, consult your head unit vendor). Slide down to find the [CAN Bus Settings] option, and click to enter.
Figure 8: Setup CAN on Android Head Unit
This diagram illustrates the steps to set up CAN on an Android head unit: navigating to Car Settings, entering Factory settings, inputting the factory password (e.g., 1617), and then accessing CAN bus settings. - Select Decoder Brand and Car Model: In the CAN Bus Settings interface, select [Decoder Brand] (e.g., 'Raise'), and find the vehicle model corresponding to your vehicle brand and production year.
Figure 9: Select CAN Bus Box Manufacturer and Car Model
This image shows the process of selecting the CAN Bus Box manufacturer (e.g., 'Raise') and then choosing the correct car model and year from the list (e.g., NISSAN_R06(2020-2021 Sylphy)). - Save Settings: After selecting the corresponding vehicle model, the system will automatically match the corresponding CAN Bus protocol without manual selection, click [Save] or [Confirm].
- Restart Head Unit: After saving, the head unit will restart automatically (some models do not need to restart). After restarting, the original vehicle data can be recognized normally, and the setting is completed.
Kind Reminder: If the corresponding vehicle model is not found, you can select a general model compatible with the vehicle protocol, or contact the manufacturer for adaptation settings; due to differences in vehicle brand, model and year, some models may have incomplete functional adaptation, which is within the normal compatibility range, and the manufacturer will provide the optimal adaptation suggestion according to the vehicle model.
Figure 10: Adapt Android Head Unit Sizes
This product can be adapted to 7, 8, 9, and 10-inch Android Head units.
8. Maintenance
To ensure optimal performance and longevity of your NSC22 adapter, follow these maintenance guidelines:
- Connection Integrity: Periodically check all connections to ensure they are secure and free from corrosion. Loose connections can lead to intermittent signals or functionality issues.
- Cleanliness: Keep the CAN Bus decoder and wiring harness free from dust and debris. Use a soft, dry cloth for cleaning. Avoid using liquid cleaners directly on the components.
- Environmental Protection: Ensure the CAN Bus decoder remains in a dry, well-ventilated area within the center console, away from extreme temperatures and moisture.
- Avoid Stress: Do not pull, bend, or squeeze the cable harness violently, as this can damage the internal wires or connectors.
9. Troubleshooting
| Problem | Troubleshooting Method |
|---|---|
| Android head unit cannot read original vehicle data | Check if the connector is firmly connected, re-enter the CAN Bus settings to verify the correctness of the vehicle model selection; if it still cannot be read, check if the vehicle's multimedia CAN Bus node has corresponding data, and contact after-sales service for an adaptation plan. |
| Steering wheel buttons are invalid | Check if the cable harness is firmly connected, re-verify the CAN Bus vehicle model settings, and restart the device if necessary; if it is still invalid, confirm whether the vehicle's steering wheel button signal is transmitted through the CAN Bus, and contact after-sales service to check compatibility. |
| Android head unit cannot be turned on | Check if the power interface is firmly connected, verify the correctness of the positive and negative wiring, and test whether the car battery voltage is normal (not less than 9V); check if the cable harness is damaged or in poor contact. |
| Unstable signal (data intermittent) | Check if the cable harness is damaged or in poor contact, move the CAN Bus decoder to an area away from strong interference and high temperature; confirm that the decoder is firmly installed without extrusion or loosening. |
| Original vehicle fault light is on | Check if the connector is firmly connected and if the cable harness is short-circuited; confirm that the device has not been privately modified and has not exceeded the product usage specifications, and contact after-sales service to check the adaptability between the original vehicle circuit and the product if necessary. |
| Some original vehicle functions (such as air conditioning parameters) cannot be displayed | Due to differences in vehicle brand, model and year, it is within the normal compatibility range. Re-verify the CAN Bus vehicle model settings; if it still cannot be displayed, contact after-sales service for a targeted adaptation plan and confirm whether the vehicle's multimedia CAN Bus node has corresponding function data. |
| Decoder heats up with slight peculiar smell | Immediately disconnect the negative pole of the car battery and stop using the device; check if the installation position of the CAN Bus decoder is away from high-temperature sources and well-ventilated to avoid extrusion; contact after-sales service to test whether the device is faulty. |
| No corresponding vehicle model in CAN Bus settings | Try to select a general model compatible with the vehicle protocol; if the general model still cannot be adapted, contact after-sales service to provide the vehicle brand, model and year to obtain an exclusive adaptation plan. |
| Conflict between Android head unit and original vehicle functions after installation (such as abnormal light control) | Disconnect the device power, re-dock the connector to ensure the interface is in place; re-enter the CAN Bus settings to verify the vehicle model, and contact after-sales service to check protocol compatibility if necessary. |
10. User Tips
- Always double-check all wiring connections before reassembling your dashboard to avoid having to take it apart again.
- If you encounter any issues during the CAN Bus settings, try restarting the Android head unit after saving the settings.
- When in doubt about compatibility or installation steps, it is always best to consult with a professional installer or contact the manufacturer's support.
11. Warranty & Support
Warranty Instructions
- The warranty period of this product is 1 year, calculated from the date of purchase. The warranty scope includes the CAN Bus decoder and the cable harness adapter connector.
- Within the warranty period, if the product has non-human damage (such as quality problems, decoding failures, loose interfaces, etc.), you can contact the manufacturer with the purchase certificate to enjoy free repair or replacement services.
- The following situations are not covered by the warranty: human damage (wiring errors, extrusion, impact, water ingress, private disassembly, etc.); failures caused by private modification of the product or use of non-original accessories; damage caused by force majeure (earthquake, fire, collision, lightning strike, etc.); product failures beyond the warranty period.
- After the warranty period expires, if the product fails, you can contact the manufacturer to enjoy paid repair services. The specific charging standard shall be subject to the manufacturer's announcement.
Disclaimer
- This product is only used for CAN Bus signal conversion and decoding of after-sales modification of automotive Android head units. It is strictly prohibited to use it in scenarios beyond the product specifications and design purposes; if vehicle failures, equipment damage or personal safety problems are caused by illegal use or misuse, our company shall not bear any responsibility.
- If the user fails to install and operate the device in accordance with the requirements of this manual, or privately modifies, disassembles the device, or uses non-original accessories, resulting in device damage, vehicle failure and related losses, our company shall not bear warranty responsibility and other related joint and several liabilities.
- This product is compatible with mainstream models and Android head units on the market. If the product cannot be used normally due to the vehicle's own circuit failure, original vehicle CAN Bus abnormality or the Android head unit's own quality problems, our company shall not bear related responsibilities and only provide after-sales guarantee for the product itself.
- Our company shall not bear any responsibility for product damage, functional failure and related losses caused by force majeure (including but not limited to earthquakes, fires, collisions, lightning strikes, natural disasters and vehicle own failures, etc.).
- The content of this manual is only a product use guide. If problems arise due to the user's misunderstanding or operational errors, our company shall not bear related responsibilities; it is recommended that users carefully read the manual before installation or contact customer service for consultation.
- Due to differences in vehicle brand, model and production year, the decoder's functions may be incompletely adapted, some functions may not be realized, or the decoder may not be able to read and parse related signals because the vehicle's multimedia CAN Bus node has no corresponding data. All these are within the normal compatibility range; our company shall not bear compensation liability for the inability to realize related functions, and only provide after-sales adaptation consultation services.
- This product is only responsible for the conversion and decoding of CAN Bus signals, and does not bear the fault repair responsibility of the original vehicle circuit and the Android head unit itself; if the product cannot work normally due to the original vehicle circuit failure or Android head unit failure, our company shall not bear related responsibilities.
- All vehicle warranty disputes and circuit modification compliance issues caused by the user's installation of this product shall be borne by the user themselves, and our company shall not bear any related joint and several liabilities.
- The content of this manual will be continuously updated according to product upgrades. If there is any difference between the actual operation and the manual, the actual function of the product shall prevail, and our company reserves the final right of interpretation.
Contact Information
If you encounter problems during installation and use, or need to consult about vehicle model adaptation, fault troubleshooting, warranty services, etc., please contact us through the following methods, and we will provide you with professional technical support and after-sales guarantee:
Email: pinmany@163.com
Manufacturer Address: Room 1001, Building 8, Hesheng Shangguan International, Huicheng District, Huizhou City, Guangdong Province
Contact Phone: +86 18688336008