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Hiworld VWFA.20

Hiworld VWFA.20 CAN Bus Decoder User Manual

Model: VWFA.20 | Brand: Hiworld

1. Introduction

This document serves as the user manual for the Hiworld VWFA.20 CAN Bus Data Converter. This device acts as an adapter and decoder, enabling communication between your vehicle's CAN Bus system and an aftermarket Android head unit. It facilitates the integration of various car functions with your Android radio.

Package Contents

  • CAN Bus Decoder (Model VWFA.20)
  • Note: Cables are not included with this product. You will need to use the appropriate 16-pin cable from your vehicle's wiring harness or purchase a compatible cable separately.

2. Specifications

FeatureDetail
Model NameVWFA.20
BrandHiworld
Item TypeCables, Adapters & Sockets
Special FeaturesCAN Bus Data Converter
Voltage12 V
Operating Voltage Range+9V ~ +16V
InterfacePH2.0-16pin
Item Weight35g
Item Size55mm x 45mm x 17mm (manual measurement, error ±1mm)
MaterialBlack plastic shell
OriginMainland China
ManufacturerHiworld (Pinmany)
Suitable Head UnitAndroid 7, 8, 9, 10 inch Android Head units
Suitable Car ModelsVolkswagen, Skoda, Seat (For All PQ and MQB platforms)

Compatible Vehicle Models (Examples)

  • VW Cross Lavida 2013~2017
  • VW Gran Lavida 2013~2017
  • VW Lavida 2011~Present
  • VW Lavida Plus 2018~Present
  • VW Passat B5.5 2000~2011
  • VW Passat NMS 2012~2014
  • VW Passat B6 2007~2011
  • VW Passat B7 2011~Present
  • VW Passat B8 2016~Present
  • VW Passat CC B6 2009~2011
  • VW Passat CC B7 2011~2018
  • VW Passat CC 2019~Present
  • VW Golf/GTI/R32/Rabbit 2003~2008
  • VW Golf6 2008~2013
  • VW Golf7 2013~Present
  • VW Sportsvan 2016~Present
  • VW Golf Plus 2003~2014
  • VW Sharan 2010~Present
  • VW Beetle 2012~2019
  • VW Variant 2016~Present
  • VW Multivan 2009~Present
  • VW Caravan 2009~Present
  • VW EOS 2006~Present
  • VW Up! 2011~2021
  • VW Fox 2011~2019
  • VW CrossFox 2011~2019
  • VW Voyage 2008~2021
  • VW Saveiro 2008~2021
  • VW Vento 2010~2022
  • VW Tharu 2018~Present
  • VW Tayron 2018~Present
  • VW GTE Tayron GTE 2020~Present
  • VW Tacqua 2020~Present
  • VW Golf GTI 2013~Present
  • VW Polo 2010~Present
  • VW Tiguan 2007~2017
  • VW Tiguan L 2016~Present
  • VW Tiguan X 2021~Present
  • VW Lamando 2015~2021
  • VW Santana 2013~Present
  • VW Touran 2010~Present
  • VW Teramont 2017~Present
  • VW Teramont X 2019~Present
  • VW Scirocco 2008~2017
  • VW Bora 2013~Present
  • VW Jetta/Sagitar 2006~Present
  • VW Jetta SportWagen 2007~2013
  • VW Jetta VS5 2019~Present
  • VW Jetta VS7 2020~Present
  • VW Caddy 2010~Present
  • VW C-TREK 2017~Present
  • VW T-Roc 2018~Present
  • VW T-Cross 2019~Present
  • VW Virtus 2018~Present, Gen6
  • VW Phideon 2016~Present
  • VW Viloran 2020~Present
  • VW Talagon 2021~Present
  • VW Tavendor 2022~Present
  • VW Amarok 2010~Present
  • VW Arteon 2017~Present
  • VW Ameo 2022~Present
  • VW Taigun 2021~Present
  • VW Nivus (Latin America) 2020~Present
  • VW Taigo(EU) 2021~Present
  • VW Taos 2020~Present
  • VW Atlas 2017~Present
  • SKODA Citigo 2011~2020
  • SKODA Yeti 2009~2013
  • SKODA Laura 2010~2014
  • SKODA Praktik 2010~2015
  • SKODA Roomster 2010~2015
  • SKODA Fabia II 2008~2017
  • SKODA Fabia III 2015~Present
  • SKODA Octavia II 2002~2013
  • SKODA Octavia III 2013~Present
  • SKODA Rapid Spaceback 2012~Present
  • SKODA Rapid 2012~Present
  • SKODA Superb II 2008~2015
  • SKODA Superb III 2016~Present
  • SKODA Kodiaq 2017~Present
  • SKODA Kodiaq GT 2019~Present
  • SKODA Kamiq 2018~Present
  • SKODA Karoq 2018~Present
  • SKODA Slavia 2022~Present
  • SKODA Ateca 2020~Present
  • SKODA Scala 2019~Present
  • SKODA Kushaq 2021~Present
  • SEAT Altea 2010~2015
  • SEAT Altea XL 2010~2015
  • SEAT Ibiza 2008~Present
  • SEAT Leon 2005~Present
  • SEAT Toledo 2012~2019
  • SEAT Alhambra 2010~2020
  • SEAT Mii 2011~2021
  • SEAT Arona 2017~Present
  • SEAT Ateca 2016~Present
  • SEAT Tarraco 2018~Present
Diagram showing various sizes of Android head units (7, 8, 9, 10 inch) that the CAN Bus decoder is compatible with.
Figure 2.1: Compatible Android Head Unit Sizes. This image illustrates the range of Android head unit screen sizes (7, 8, 9, and 10 inches) that the CAN Bus decoder is designed to adapt to.
Image of the CAN Bus decoder module with dimensions 55mm x 45mm x 17mm indicated, and a note about manual measurement error.
Figure 2.2: Product Dimensions. This image displays the physical dimensions of the CAN Bus decoder module, measuring 55mm x 45mm x 17mm, with a note on potential manual measurement error.

3. Safety Information

WARNING:

  • The operating voltage range for this decoder is +9V to +16V. Supplying voltage outside this range (too low or too high) can cause irreversible damage to the decoder.
  • Improper wiring is a significant risk and can lead to damage to the CAN Bus decoder, the Android head unit, and potentially other vehicle electronics. Always double-check connections.
  • Automotive electrical systems are complex. If you are uncertain about the fitting process, wiring, or compatibility, it is strongly recommended to contact the seller for support or seek assistance from a qualified professional installer BEFORE attempting installation.

4. Setup and Installation

This section outlines the general steps for connecting and configuring the CAN Bus decoder. Due to variations in vehicle wiring harnesses and Android head unit interfaces, some steps may require consulting your head unit vendor or a professional installer.

4.1 Pre-Installation Check

Before beginning the installation, perform the following checks:

  1. Verify Cable Connectors: Confirm that you have the necessary 16-pin cable connectors available in your vehicle's wiring harness. The CAN Bus decoder does not include these cables.
  2. Check Pin Definitions: Ensure that the pin function definitions of your vehicle's wiring harness connector are consistent with the decoder's pin definitions.
  3. Android Head Unit Interface: Check if your Android head unit has the required 8-pin connector interface for the UART plug, which is essential for communication.
Pre-installation checks for CAN Bus decoder, showing a variety of car wiring harnesses, a 16-pin connector, a 20-pin CANBus definition table, and an 8-pin UART plug location on an Android head unit.
Figure 4.1: Pre-installation Checks. This image illustrates the importance of checking existing cables, 16-pin connector compatibility, pin definitions, and the 8-pin UART interface on the Android head unit. A warning about the complexity of auto parts and seeking professional help is also present.

4.2 Pin Definition

Refer to the following pin definition for the 16-pin connector on the CAN Bus decoder. This is crucial for correct wiring:

16-pin connector pinout diagram for the CAN Bus decoder. Shows a diagram of the 16-pin connector and a list of pin functions: 1. GND, 2. BATT, 3. CAN-H, 4. CAN-L, 5. ILL-OUT, 6. ACC-OUT, 7. PARK-OUT, 8. REV-OUT, 9-12. NC, 13. UART-RX, 14. NC, 15. NC, 16. UART-TX.
Figure 4.2: 16-pin Connector Pin Definition. This diagram details the function of each pin on the CAN Bus decoder's 16-pin connector, including GND (Ground), BATT (Battery), CAN-H (CAN High), CAN-L (CAN Low), ILL-OUT (Illumination Output), ACC-OUT (Accessory Output), PARK-OUT (Parking Brake Output), REV-OUT (Reverse Output), UART-RX (UART Receive), and UART-TX (UART Transmit). Pins 9-12, 14, and 15 are Not Connected (NC).

4.3 Connecting the CAN Bus Decoder

Follow these steps to connect the CAN Bus decoder to your vehicle's wiring harness:

  1. Locate the 16-pin CAN plug from your vehicle's wiring harness.
  2. Carefully plug the 16-pin CAN plug from the wiring harness into the corresponding 16-pin socket on the CAN Bus decoder. Ensure the connection is firm and correctly aligned according to the pin definitions.
  3. If your Android head unit requires a separate UART connection, find the 8-pin UART plug on your wiring harness and connect it to the 8-pin UART socket of the Android head unit.
Diagram showing how to connect the 16-pin CAN plug from a wiring harness to the CAN Bus decoder.
Figure 4.3: Connection of Cable Adapter. This image visually guides the user to connect the 16-pin CAN plug from the vehicle's wiring harness to the CAN Bus decoder.

4.4 Setting Up CAN Bus on Android Head Unit

The exact steps for setting up the CAN Bus on your Android head unit may vary depending on the head unit's manufacturer and software version. The following steps provide a general guide:

  1. Enter Settings: From the Android head unit's main screen, navigate to the "Car Settings" or a similar application.
  2. Enter Factory Settings (if required): Some head units require entering a factory settings menu. Common passwords include 3368, 1617, 8317, 8888. If none of these work, consult your Android radio seller for the correct password.
  3. Enter CAN Bus Settings: Within the settings, locate and enter the "CAN bus setting" or "CarType Setting" menu.
  4. Select CAN Bus Box Manufacturer: Choose "Hiworld" from the list of CAN Bus Box manufacturers. If "Hiworld" is not available or does not work, you may need to try a generic driver like "SimpleSoft" or consult your head unit vendor.
  5. Select Correct Car Model and Year: From the car information menu, select your specific car model and year (e.g., VW-SKODA_W01 for various VW/Skoda/Seat models).
  6. Save and Reboot: Save the settings and reboot your Android head unit for the changes to take effect.
Screenshots showing the steps to set up CAN Bus on an Android head unit: entering car settings, factory settings with password input, CAN bus settings, and selecting the CAN Bus box manufacturer and car model.
Figure 4.4: Android Head Unit CAN Bus Setup (Part 1). This image displays a sequence of screenshots guiding the user through the Android head unit's interface to configure the CAN Bus settings, including password entry for factory settings and navigating to the CAN bus settings.
Screenshots showing the selection of CAN Bus Box manufacturer (Hiworld) and specific car model (VW-SKODA_W01) within the Android head unit settings.
Figure 4.5: Android Head Unit CAN Bus Setup (Part 2). This image provides further detail on selecting the appropriate CAN Bus box manufacturer (e.g., Hiworld) and the specific vehicle model from the Android head unit's configuration options, followed by saving and rebooting.

5. Operating Instructions

Once correctly installed and configured, the CAN Bus decoder enables your Android head unit to communicate with your vehicle's CAN Bus system. This allows for various integrated features, which may include:

  • Steering Wheel Control Integration: Use your vehicle's existing steering wheel buttons to control the Android head unit (e.g., volume, track skip, mode).
  • Vehicle Information Display: Display car data such as door open/close status, climate control settings, parking sensor data, and other vehicle-specific information directly on the head unit screen.
  • Reverse Gear Detection: Automatic switching to the reverse camera view when the vehicle is put into reverse gear.
  • Illumination Control Synchronization: The head unit's backlight and theme may synchronize with the vehicle's dashboard illumination.

The specific functionalities available will depend on your vehicle's model, year, trim level, and the capabilities and software of your Android head unit.

6. Maintenance

The Hiworld VWFA.20 CAN Bus Decoder is designed for durability and requires minimal maintenance. To ensure optimal performance and longevity, please follow these guidelines:

  • Keep Clean and Dry: Protect the device from dust, dirt, and moisture. Avoid installing it in areas prone to water exposure.
  • Temperature Control: Do not expose the device to extreme temperatures, either very high or very low, as this can affect its electronic components.
  • Avoid Physical Impact: Handle the decoder carefully. Avoid dropping it or subjecting it to strong vibrations or impacts.
  • Secure Connections: Periodically check that all electrical connections to the decoder and head unit remain secure. Loose connections can lead to intermittent functionality or complete failure.
  • No User-Serviceable Parts: The device contains no user-serviceable parts. Do not attempt to open, disassemble, or repair the decoder yourself, as this will void the warranty and may cause further damage.

7. Troubleshooting

If you encounter issues with your CAN Bus decoder, refer to the following table for common problems and solutions:

ProblemPossible CauseSolution
CAN Bus decoder not functioning / No communication with head unit
  • Incorrect wiring or pin connections.
  • Operating voltage outside +9V~+16V range.
  • Incorrect CAN Bus settings on Android head unit.
  • Incompatible vehicle model or head unit.
  • Loose or poor electrical connection.
  • Double-check all wiring against the pin definition (Figure 4.2). Ensure correct polarity and pin assignment.
  • Verify your vehicle's electrical system voltage is within the specified range.
  • Review Android head unit CAN Bus settings (Section 4.4). Ensure "Hiworld" or the appropriate manufacturer and car model are selected. Try other generic options if "Hiworld" is not listed or doesn't work.
  • Confirm the decoder's compatibility with your specific car model and Android head unit.
  • Ensure all plugs are securely connected and free from corrosion.
  • If problems persist, consult your head unit vendor or a professional installer.
Specific car functions (e.g., steering wheel controls, reverse camera, door status) not working
  • Incorrect CAN Bus settings for specific functions.
  • Android head unit software not fully compatible or configured for these features.
  • Vehicle does not support that specific CAN Bus function or requires additional modules.
  • Check advanced CAN Bus settings on your Android head unit for specific function configurations (e.g., steering wheel key mapping).
  • Ensure your Android head unit's software is up-to-date and explicitly supports the desired features via CAN Bus.
  • Verify if your vehicle's original system supported these functions via CAN Bus. Some older models may not transmit all data.
Decoder gets excessively hot or emits a burning smell
  • Severe incorrect wiring (e.g., reverse polarity, short circuit).
  • Over-voltage or power surge.
  • Immediately disconnect all power to the decoder and head unit.
  • Re-check all wiring meticulously for any errors or shorts.
  • Do NOT reconnect until the issue is identified and resolved. Seek professional help immediately to prevent further damage or fire hazards.

8. User Tips

  • Verify Compatibility Thoroughly: Always double-check the compatibility list for your specific car model, year, and platform (PQ/MQB) before purchasing and installing. If your car is not explicitly listed, contact the seller for confirmation.
  • Consider Professional Installation: Car electronics can be intricate. If you are not confident in your wiring and installation skills, it is highly recommended to have the CAN Bus decoder installed by a qualified professional to prevent damage to the device or your vehicle.
  • Experiment with Head Unit Settings: If the initial setup doesn't yield full functionality, explore your Android head unit's CAN Bus settings. Sometimes, selecting a different generic CAN Bus manufacturer (e.g., "SimpleSoft" or another option) might resolve compatibility issues if "Hiworld" is not explicitly listed or doesn't work as expected.
  • Keep Head Unit Firmware Updated: Ensure your Android head unit's firmware is up-to-date. Manufacturers often release updates that improve CAN Bus compatibility and add support for new features or resolve bugs.

9. Warranty and Support

The Hiworld VWFA.20 CAN Bus Decoder is manufactured by Hiworld (Pinmany Store). For technical support, troubleshooting assistance beyond this manual, or warranty inquiries, please contact the original seller or the manufacturer directly.

Important: Please note that improper installation, use outside the specified operating conditions, or unauthorized modification of the device may void your product warranty.

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