1. Bubuka jeung Leuwihview
The Idatalink Maestro HRN-SR-VW2 T-Harness is designed to facilitate the replacement of a factory radio with an aftermarket head unit in select Volkswagen vehicles manufactured between 2016 and 2020. This harness works in conjunction with the Idatalink Maestro ADS-MSR module (sold separately) to retain essential factory features such as steering wheel controls and the use of the factory amppangagung.
This manual provides detailed instructions for the proper installation and understanding of the HRN-SR-VW2 T-Harness, ensuring seamless integration with your vehicle's existing systems.
2. Fitur Produk
- Pamasangan saderhana: Designed to simplify radio replacement in compatible Volkswagen vehicles when used with the iDatalink Maestro ADS-MSR module.
- Steering Wheel Control Retention: Retains original steering wheel controls for functions like volume adjustment and track seeking with an aftermarket radio.
- Pabrik Amplifier Retention: Maintains functionality of the factory amplifier, including turn-on, fader, and gain control.
- Retensi Kaméra Cadangan: Retains the factory backup camera with parking guidelines.
- Retained Accessory Power (RAP): The vehicle's Retained Accessory Power feature is maintained.
- Kaluaran Navigasi: Provides outputs for Parking Brake, Reverse Light, and Vehicle Speed Sense (VSS) for aftermarket navigation systems.
- Accessory Power Output: Offers a 12V/15A accessory power output.
- Illumination Output: Provides an illumination output for aftermarket head units.
3. Kasaluyuan
The HRN-SR-VW2 T-Harness is compatible with the following Volkswagen vehicles when used in conjunction with the iDatalink Maestro ADS-MSR module:

Gambar 3.1: Compatibility chart showing supported Volkswagen models and years (2016-2020) for the HRN-SR-VW2 T-Harness. Models include Beetle, CC, Jetta, Jetta GLI, Passat, Tiguan, and Tiguan Limited.
Please refer to the chart above for specific model and year compatibility. An iDatalink Maestro ADS-MSR module is required for full functionality.
4. Sarat Instalasi
Successful installation of the HRN-SR-VW2 T-Harness requires the following components (sold separately):
- iDatalink Maestro ADS-MSR Module: This interface module is essential for retaining factory features and communicating with the vehicle's systems.
- Corresponding Idatalink Maestro Car Stereo Head-Unit ACC-HU Series T-Harness: A specific head-unit harness is required to connect the Maestro module to your aftermarket radio. Examples ngawengku:
- ACC-HU-ALP1 (Alpine)
- ACC-HU-PIO1 (Pioneer)
- ACC-HU-SON1 (Sony)
- ACC-HU-KEN1 (Kenwood/JVC with 22-Pin Connector)
- ACC-HU-KEN2 (Kenwood/JVC with 16-Pin Connector)
- ACC-HU-KEN3 (2024 & Newer Kenwood/JVC with 22-Pin Connector)
- ACC-HU-BOS1 (BOSS Radio)

Gambar 4.1: Display of various Idatalink Maestro ACC-HU series head unit specific harnesses, which are required to connect the Maestro module to different brands of aftermarket radios.

Gambar 4.2: Hiji leuwihview of Idatalink Maestro vehicle-specific T-harnesses, illustrating how they simplify the installation process. The HRN-SR-VW2 is part of this series.
5. Pituduh Setelan sareng Pamasangan
penting: Before beginning installation, ensure your iDatalink Maestro ADS-MSR module is flashed with the correct firmware using the Weblink Desktop application. Refer to the ADS-MSR module's instruction manual for detailed flashing procedures.

Gambar 5.1: The Idatalink Maestro HRN-SR-VW2 T-Harness, shown with its packaging, illustrating the main components of the product.

Gambar 5.2: A lengkep view of the HRN-SR-VW2 T-Harness, highlighting the various connectors and labeled wires for proper connection.
Léngkah-léngkah pamasangan:
- Pegatkeun sambungan batré Kendaraan: Always disconnect the negative terminal of your vehicle's battery before starting any electrical work to prevent short circuits or damage.
- Cabut Radio Pabrik: Carefully remove the factory radio from the dashboard. Refer to your vehicle's service manual for specific instructions on radio removal.
- Connect HRN-SR-VW2 T-Harness:
- Connect the vehicle-specific connector of the HRN-SR-VW2 T-Harness to the corresponding harness in your Volkswagen vehicle.
- Connect the other end of the HRN-SR-VW2 T-Harness to the iDatalink Maestro ADS-MSR module.
- Connect Head-Unit Specific Harness: Connect the appropriate ACC-HU series harness (e.g., ACC-HU-ALP1 for Alpine) to the iDatalink Maestro ADS-MSR module.
- Connect Aftermarket Radio: Connect the head-unit specific harness to your aftermarket radio. Ensure all connections are secure.
- Wire Connections (if applicable): If your aftermarket radio requires additional connections not covered by the plug-and-play harnesses (e.g., parking brake, reverse, VSS for navigation), utilize the labeled wires on the HRN-SR-VW2 T-Harness.
- Sambungan tés: Before reassembling the dashboard, temporarily reconnect the vehicle battery and test the functionality of the aftermarket radio, steering wheel controls, factory amplifier, and backup camera.
- Secure Wiring and Reassemble: Once all functions are verified, neatly secure all wiring to prevent rattles or interference. Reassemble the dashboard components.
- Cék ahir: Perform a final check of all retained features and radio functions.
For detailed wiring diagrams and specific vehicle integration instructions, please visit the official iDatalink Maestro websitus: iDatalink Maestro Support
6. Operating Retained Features
Once the HRN-SR-VW2 T-Harness and ADS-MSR module are correctly installed and configured, the following factory features will operate with your aftermarket radio:
- Kadali setir: The buttons on your steering wheel will control basic functions of your aftermarket radio, such as volume up/down, track forward/back, and mode selection. Specific button assignments may be configurable through the aftermarket radio's settings or the Maestro module's programming.
- Pabrik Amppanguat: Pabrik amplifier will power your vehicle's speakers. Fader and gain controls will typically be managed through the aftermarket radio's audio settings.
- Kamera Cadangan: When the vehicle is shifted into reverse, the factory backup camera image will display on your aftermarket radio screen, complete with parking guidelines.
- Retained Accessory Power (RAP): The aftermarket radio will remain powered for a short period after the ignition is turned off, similar to the factory radio's behavior, until a door is opened.
7. Cara ngungkulan
Upami anjeun mendakan masalah saatos pamasangan, pertimbangkeun léngkah-léngkah ngungkulan ieu:
- Henteu Kakuatan pikeun Radio:
- Check all power connections to the aftermarket radio and the Maestro module.
- Ensure the vehicle battery is fully charged and properly connected.
- Verify that the ADS-MSR module is correctly flashed and powered.
- Kadali Setir Teu Gawé:
- Confirm the ADS-MSR module is flashed with the correct firmware for your vehicle and aftermarket radio.
- Check the connection between the HRN-SR-VW2, ADS-MSR module, and the head-unit specific harness.
- Consult the aftermarket radio's manual for steering wheel control setup options.
- Teu Aya Sora atanapi Audio Anu Distorsi:
- Verify all speaker connections are secure and correctly polarized.
- Pastikeun pabrik amplifier is receiving power and turn-on signal from the Maestro module.
- Check the audio output settings on your aftermarket radio.
- Kaméra Cadangan Teu Nampilkeun:
- Confirm the camera input is correctly connected to the aftermarket radio.
- Ensure the reverse trigger wire from the HRN-SR-VW2 is connected to the aftermarket radio's reverse input.
- Verify the ADS-MSR module is configured to retain the factory camera.
For further assistance, refer to the iDatalink Maestro support resources or contact their technical support.
8. Spésifikasi
| Nomer modél | HRN-SR-VW2 |
| merek | Idatalink Maestro |
| Kasaluyuan | Select Volkswagen Vehicles (2016-2020) |
| Modul anu Dipikabutuh | iDatalink Maestro ADS-MSR (Dijual Misah) |
| Bahan | Acrylonitrile Butadiena Styrene |
| Dimensi produk | 7 x 4.75 x 1.5 inci |
| Item Beurat | 0.13 Kilogram (4.59 ons) |
| Tipe Panyambung | OBD-II, Volkswagen-specific Connectors |
9. Naon dina Box
The HRN-SR-VW2 package includes:
- 1x Idatalink Maestro HRN-SR-VW2 T-Harness
Please ensure all components are present upon opening the package.
10. Pangrojong sareng Jaminan
For technical support, detailed wiring diagrams, or additional information regarding the iDatalink Maestro HRN-SR-VW2 T-Harness, please visit the official iDatalink Maestro websitus atanapi ngahubungan departemén layanan palanggan maranéhna.
Warranty information is typically provided with the product packaging or available on the manufacturer's official websitus. Punten tahan bukti pameseran anjeun pikeun klaim garansi.






