Mercedes-Benz S-class W220 facelift (2002-2005) High/low bus circuit

1 11 3 1 2 1 CAN-B L CAN-B H 1 2 1 CAN-B L CAN-B H 1 2 10 CAN-B L CAN-B H 1 2 11 CAN-B L CAN-B H 1 2 2 CAN-B L CAN-B H 1 2 3 CAN-B L CAN-B H 1 2 4 1 2 5 1 2 6 1 2 7 CAN-B L CAN-B H 1 2 4 CAN-B L CAN-B H 1 2 5 CAN-B L CAN-B H 1 2 6 CAN-B L CAN-B H 1 2 7 CAN-B L CAN-B H 1 2 8 CAN-B L CAN-B H 1 2 9 CAN-B L CAN-B H 10 9 1 CAN-B L CAN-B H 17 18 1 CAN-B L CAN-B H 17 18 13 CAN-B L CAN-B H 18 2 CAN-B L CAN-B H 3 4 1 CAN-B H CAN-B L 3 4 1 CAN-B L CAN-B H 36 35 CAN-B L CAN-B H 5 6 1 CAN-B L CAN-B H 7 15 5 CAN-B L CAN-B H 7 8 2 CAN-B L CAN-B H 8 9 1 2 CAN-B L CAN-B H BRN WIRE BRN/RED WIRE CAN B L CAN B H KEYLESS GO CONTROL MODULE (RIGHT TRUNK) LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT ESA CONTROL MODULE (W/MEMORY) (UNDER LEFT FRONT SEAT) LEFT REAR DOOR CONTROL MODULE (LEFT REAR DOOR) LEFT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (IN LEFT FRONT FOOTWELL) OVERHEAD CONTROL PANEL UNIT CONTROL MODULE PARKTRONIC SYSTEM (PTS) CONTROL MODULE (UNDER RIGHT REAR SEAT) PNEUMATIC SYSTEM EQUIPMENT (PSE) CONTROL MODULE (LEFT TRUNK) REAR A/C CONTROL MODULE (FRONT CENTER CONSOLE) REAR SAM CONTROL MODULE (UNDER RIGHT REAR SEAT) RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT ESA CONTROL MODULE (W/MEMORY) (UNDER RIGHT FRONT SEAT) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (IN RIGHT FRONT DOOR SILL) TELE AID CONTROL MODULE (UNDER RIGHT REAR SEAT) TIRE PRESSURE CONTROL MODULE (RIGHT FRONT FOOTWELL, UNDER STEP PLATE)

1 2 1 CAN-B L CAN-B H 1 2 13 CAN-B L CAN-B H 1 2 14 CAN-B L CAN-B H 1 2 15 CAN-B L CAN-B H 1 2 2 CAN-B L CAN-B H 1 2 3 CAN-B L CAN-B H 1 2 4 CAN-B L CAN-B H 1 2 5 CAN-B L CAN-B H 1 2 6 CAN-B L CAN-B H 1 2 7 CAN-B L CAN-B H 1 2 8 CAN-B L CAN-B H 16 17 CAN-B L CAN-B H 17 18 CAN B L CAN B H 2 3 CAN-B L CAN-B H 2 4 CAN-B L CAN-B H 3 4 1 CAN-B L CAN-B H 3 4 CAN-B L CAN-B H 5 6 CAN-B L CAN-B H 6 7 4 1 2 2 CAN-B L CAN-B H 9 10 CAN-B L CAN-B H BRN WIRE BRN/RED WIRE CAN B L CAN B H CENTRAL GATEWAY CONTROL UNIT (IN LEFT FRONT FOOTWELL) CLIMATE CONTROL PUSHBUTTON CONTROL MODULE (FRONT CENTER CONSOLE) COCKPIT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (IN LEFT FRONT FOOTWELL) DC/DC CONVERTER CONTROL MODULE (RIGHT TRUNK) ELECTRONIC IGNITION- STARTER SWITCH (EIS) CONTROL MODULE (LEFT SIDE OF DASH) INSTRUMENT CLUSTER LEFT FRONT SAM CONTROL MODULE (IN FUSE RELAY BOX, LEFT SIDE) PNEUMATIC PUMP FOR DYNAMIC SEAT CONTROL MODULE (LEFT TRUNK) REAR SEAT CONTROL MODULE (UNDER RIGHT REAR SEAT) RESTRAINT SYSTEM CONTROL MODULE (FRONT CENTER CONSOLE) RIGHT FRONT SAM CONTROL MODULE (IN FUSE RELAY BOX, RIGHT SIDE) RIGHT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR (IN RIGHT FRONT DOOR SILL) STEERING COLUMN MODULE (LEFT SIDE OF DASH) UPPER CONTROL FIELD CONTROL MODULE (CENTER OF DASH)