Seat belt warning circuit for Mercedes-Benz S-class W221 facelift (2009-2013)

1 2 CAN B L CAN B H 15 1 17 18 25 31 30 CAN-E L CAN-E H GSS FA 15 14 GND SIG 15 16 CAN-B H CAN-B L 4 8 3 31 31 DFK AUDIBLE TURN SIGNAL IND BLU WIRE BRAKE FLUID INDICATOR SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE FLUID WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-F L CAN-F H COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DRIVER SEAT BELT BUCKLE, SEAT BELT WARNING SWITCH FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES ENGINE COMPARTMENT PREFUSE BOX (RIGHT REAR ENGINE COMPT) FUSE 6 INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LIN BUS NCA WIRE PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RESTRAINT SYSTEMS CONTROL MODULE (FRONT OF CENTER CONSOLE) RIGHT FRONT BRAKE PAD WEAR SENSOR (BEHIND RIGHT FRONT WHEEL) ROTARY TUMBLER SWITCH LEFT FRONT DOOR LOCK UNIT SEAT BELT WARNING LAMP WARNING BUZZER WHT WIRE YEL WIRE YEL/WHT WIRE