This guide outlines the installation process of a Passat B7 backup camera on a Jetta, focusing on the necessary VCDS coding to activate the camera functionality on the navigation unit. This retrofit requires a compatible NAV unit (RNS-315 or RNS-510 – note: only EU-spec RCD-510 is compatible) and VCDS software. The RNS units have a built-in controller for the rearview camera and simply require activation using VCDS.
Sourcing the Parts and Harness
The installation utilizes a Passat B7 backup camera and a custom wiring harness. Sourcing these parts from reputable vendors is crucial. In this particular installation, the camera and handle assembly were acquired from individual sellers on VWVortex, while a pre-made wiring harness was purchased.
The custom harness significantly simplifies the installation process. It includes all necessary components:
- Wiring harness with OEM-like quality and wrapping.
- Wire tap for connecting to the reverse light signal.
- Fuse for the fuse box.
- Zip ties for securing the harness.
This harness is designed for a professional installation. It connects to the ground and reverse signal within the cabin, providing a clean and hidden installation. The power connection is made directly to the fuse panel using an open fuse slot, avoiding the need for add-a-fuse solutions.
Installation Process: A Detailed Overview
While the harness simplifies the wiring, the installation still requires some disassembly of the vehicle’s interior to properly route and secure the harness. This process includes:
- Removing the trunk lining to access the camera installation point.
- Routing the wiring harness from the trunk to the navigation unit in the dashboard.
- Connecting the harness to the reverse light signal, ground, and fuse box.
- Activating the rearview camera functionality using VCDS.
The estimated installation time is approximately 5 hours. This time may vary based on experience level and attention to detail. A detailed PDF guide, often provided with the custom harness, can be invaluable for disassembling and reassembling interior components.
Leveraging VCDS for Camera Activation
The key to this retrofit is utilizing VCDS (Vag-Com Diagnostic System) to enable the camera feature in the navigation unit’s settings. After the physical installation is complete, VCDS allows you to access the controller module for the RNS unit and activate the rearview camera option. This step is essential for the camera to function correctly. Without VCDS, the camera will not display an image on the navigation screen when the vehicle is in reverse.
Additional Resources and Alternatives
Several online resources provide detailed instructions and alternative sourcing options for parts:
- DIY Installation Thread: http://forums.vwvortex.com/showthread.php?5695817-Back-Up-Camera-trunk-handle-DIY
- OEM Retrofit Guide: http://www.myturbodiesel.com/1000q/a6/vw-sportwagen-backup-camera-oem-retrofit.htm
- Parts Suppliers: Bold-Sport (http://www.bold-sport.com/store/index.php?route=product/product&path=43_71&product_id=165 and http://www.bold-sport.com/store/index.php?route=product/product&path=43_71&product_id=144) and Carsystems.pl (http://www.carsystems.pl/vw-rear-low-camera-kit-retrofit-5n0827566j-sharan-7n0-golf-variant-passat-variant,id391.html and http://www.carsystems.pl/vw-rear-low-camera-kit-retrofit-5n0827566j-sharan-7n0-golf-variant-passat-variant,id353.html)
This comprehensive guide provides a solid foundation for successfully installing and activating a backup camera on a Jetta using VCDS. Remember to consult your vehicle’s specific wiring diagrams and always disconnect the battery before working on any electrical systems.
