The official software is licensed to dealerships. However, archived versions (Renault Visu v3, v4, v5, v6, v7, v8, etc.) are widely available on automotive forums and diagnostic torrent sites. While technically "abandonware" for older models, they are invaluable for pre-2019 vehicles.
: Provides visual guides for finding specific connectors, ground points, fuses, and relays within the vehicle. Technical Specifications renault visu wiring diagrams