Siemens BSM B3 is a critical engine bay fuse box and control module used in various Peugeot and Citroën vehicles, including the Peugeot 206, 207, 307, and Citroën C3 and C5. Verified schematics and pinouts for this unit identify it as the Engine System Interface (PSF1)
Controls the windscreen washer pump, coolant level sensors, and radiator fan relays. 2. Common Failure Symptoms
for a specific Peugeot/Citroën model, or are you more interested in the software tools Siemens uses to verify these designs? PCB design best practices: schematic analysis 16 May 2023 —