Parallel (each horizontal line acts as a separate branch).
When you press the defogger button, a signal is sent to the relay coil. In most Lanos models, this is managed by a timer (often integrated into the relay or ETACS module) that keeps the system on for ~10–15 minutes. shema obogreva zadnego stekla lanos
The energized relay closes its internal switch, allowing high-current power to flow from Fuse Ef7 (30A) directly to the rear window grid. Parallel (each horizontal line acts as a separate branch)
Heated Glass (Defrost, Defogger) Circuits: Overview & Testing shema obogreva zadnego stekla lanos
The system uses a applied to the inner surface of the rear glass. When current passes through these lines, they generate heat to clear fog or frost. Operating Voltage: 12V DC.