Fuse 1, engine bay main fuse box 342

List of components

No.	Name
179a	Solenoid valve, charge air
229	Main relay, engine control system
342	UEC
403	Solenoid valve, combustion circulation
595K	Control module, PSG16, 4 cyl. diesel, contact K
596	Control module, glow plug
683	Solenoid valve, engine shut-off