Transporters Electrical System VITO VIANO (Model 639) Wiring Diagrams SECTIONS IN THIS MANUAL ARE: 1 Use of wiring diagrams 2 Abbreviations for wiring diagrams 3 Location and assignment of ground points 4 Location and assignment of plug connectors 5 Battery starting charging circuit 6 Voltage supply fuses 7 Fuse and relay board (SRB) 8 Signal Acquisition and actuation module (SAM) 9 Exterior lights 10 Central locking 11 CAN bus 12 Instrument cluster (IC) 13 Electronic ignition switch (EIS) 14 Electronic stability control (ESP) 15 Common rail diesel injection (CDI) 16 Standard heater