Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) back button Wiring diagrams

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 31 CAN A L 360%%D CAMERA CONTROL UNIT 360° CAMERA CONTROL UNIT (IF EQUIPPED) ANT BT ANT BT SHIELD ANT GPS ANT GPS SHIELD AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BT 1 CAN A H CAN A L CAN-A H CAN-A L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM D+ SHIELD DELETE BUTTON DVD PLAYER (W/ REAR ENTERTAINMENT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 11 GND CD GND D- GPS GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS LVDS RX+ NCA WIRE ORG/ WIRE RED/WHT WIRE RES+ SHIELD SHIELD BT SHIELD FM SHIELD GPS SHIELD NV SHIELD TV SIG SIG SHIELD TELEMATICS SERVICES COMMUNICATION MODULE TERMI TUNER CIRCUIT TV 1 2 3 4 TV TUNER CIRCUIT VIDEO C VIDEO C SHIELD VIDEO Y VIDEO Y GND VIDEO Y SHIELD VIDEO Y VIDEO Y SHIELD VIDEO C VIDEO C SHIELD VIDEO-C GND VIDEO-C GND VIDEO-C VIDEO-Y VIDEO-Y GND TERMI LVDS RX- TERMI LVDS RX+ SHIELD W/ DIRECT SELECT W/O DIRECT SELECT YEL WIRE

1 2 3 4 GND LVDS + RES LVDS - 1 2 4 5 6 LH + LH - 31 30 DATA 10 4 9 5 3 8 1 7 2 6 +, - LO, OK R, RETURN U MLL L 58 GND U MFL R +, - MUTE TEL 4 5 6 7 8 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BUTTONS +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN-A H CAN-A L COMPUTER DATA LINES SYSTEM DATA DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 11 FUSE 85 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSIDE STEERING WHEEL) LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH - LO, OK LVDS MUTE MUTE BUTTON OK BUTTON ORG/ WIRE PNK WIRE R RETURN REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RES+ RIGHT DOOR BASS SPEAKER RIGHT DOOR SPEAKER RIGHT DOOR TWEETER RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BACK BUTTON BUTTON SYSTEM SELECTION BUTTON TEL U MFL R U MLL L VOICE CONTROL SYSTEM ON BUTTON VOICE MUTE CONTROL BUTTON SYSTEM ON BUTTON WHT WIRE YEL WIRE

1 2 3 4 GND LVDS + RES LVDS - 1 2 4 5 6 LH + LH - 31 30 DATA 10 4 9 5 3 8 1 7 2 6 +, - LO, OK R, RETURN U MLL L 58 GND U MFL R +, - MUTE TEL 4 5 6 7 8 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BUTTONS +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN-A H CAN-A L COMPUTER DATA LINES SYSTEM DATA DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 11 FUSE 85 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSIDE STEERING WHEEL) LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH - LO, OK LVDS MUTE MUTE BUTTON OK BUTTON ORG/ WIRE PNK WIRE R RETURN REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RES+ RIGHT DOOR BASS SPEAKER RIGHT DOOR SPEAKER RIGHT DOOR TWEETER RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BACK BUTTON BUTTON SYSTEM SELECTION BUTTON TEL U MFL R U MLL L VOICE CONTROL SYSTEM ON BUTTON VOICE MUTE CONTROL BUTTON SYSTEM ON BUTTON WHT WIRE YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 31 CAN A L 360%%D CAMERA CONTROL UNIT 360° CAMERA CONTROL UNIT (IF EQUIPPED) ANT BT ANT BT SHIELD ANT GPS ANT GPS SHIELD AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BT 1 CAN A H CAN A L CAN-A H CAN-A L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM D+ SHIELD DELETE BUTTON DVD PLAYER (W/ REAR ENTERTAINMENT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 11 GND CD GND D- GPS GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS LVDS RX+ NCA WIRE ORG/ WIRE RED/WHT WIRE RES+ SHIELD SHIELD BT SHIELD FM SHIELD GPS SHIELD NV SHIELD TV SIG SIG SHIELD TELEMATICS SERVICES COMMUNICATION MODULE TERMI TUNER CIRCUIT TV 1 2 3 4 TV TUNER CIRCUIT VIDEO C VIDEO C SHIELD VIDEO Y VIDEO Y GND VIDEO Y SHIELD VIDEO Y VIDEO Y SHIELD VIDEO C VIDEO C SHIELD VIDEO-C GND VIDEO-C GND VIDEO-C VIDEO-Y VIDEO-Y GND TERMI LVDS RX- TERMI LVDS RX+ SHIELD W/ DIRECT SELECT W/O DIRECT SELECT YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 31 CAN A L 360%%D CAMERA CONTROL UNIT 360° CAMERA CONTROL UNIT (IF EQUIPPED) ANT BT ANT BT SHIELD ANT GPS ANT GPS SHIELD AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BT 1 CAN A H CAN A L CAN-A H CAN-A L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM D+ SHIELD DELETE BUTTON DVD PLAYER (W/ REAR ENTERTAINMENT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE FUSE 11 GND CD GND D- GPS GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS LVDS RX+ NCA WIRE ORG/ WIRE RED/WHT WIRE RES+ SHIELD SHIELD BT SHIELD FM SHIELD GPS SHIELD NV SHIELD TV SIG SIG SHIELD TELEMATICS SERVICES COMMUNICATION MODULE TERMI TUNER CIRCUIT TV 1 2 3 4 TV TUNER CIRCUIT VIDEO C VIDEO C SHIELD VIDEO Y VIDEO Y GND VIDEO Y SHIELD VIDEO Y VIDEO Y SHIELD VIDEO C VIDEO C SHIELD VIDEO-C GND VIDEO-C GND VIDEO-C VIDEO-Y VIDEO-Y GND TERMI LVDS RX- TERMI LVDS RX+ SHIELD W/ DIRECT SELECT W/O DIRECT SELECT YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE

1 2 3 4 CD 9 10 11 12 LVDS- RES LVDS+ GND 1 2 3 4 GND DATA - 1 2 3 4 GND LVDS + RES LVDS - 1 2 3 4 MOST OUT MOST IN 1 2 MOST OUT MOST IN ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN B L MUTE CAN B H 31 CAN-A H CAN-A L COMPUTER DATA LINES SYSTEM DATA DELETE BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 11 FUSE 16 FUSE 26 FUSE 84 GND CD GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LUGGAGE COMPT) LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE NCA WIRE ORG/ BLU WIRE ORG/ WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RES+ SAT SATELLITE DIGITAL AUDIO RADIO (SDAR) CONTROL UNIT SHIELD SHIELD ANT USB USB CONNECTOR USB RADIO VIO WIRE W/ MOBILE PHONE PREINSTALLATION W/ UNIVERSAL INTERFACE WAKE-UP WHT WIRE YEL/BLK WIRE

1 2 3 4 CD 9 10 11 12 LVDS- RES LVDS+ GND 1 2 3 4 GND DATA - 1 2 3 4 GND LVDS + RES LVDS - 1 2 3 4 MOST OUT MOST IN 1 2 MOST OUT MOST IN ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN B L MUTE CAN B H 31 CAN-A H CAN-A L COMPUTER DATA LINES SYSTEM DATA DELETE BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 11 FUSE 16 FUSE 26 FUSE 84 GND CD GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LUGGAGE COMPT) LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE NCA WIRE ORG/ BLU WIRE ORG/ WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RES+ SAT SATELLITE DIGITAL AUDIO RADIO (SDAR) CONTROL UNIT SHIELD SHIELD ANT USB USB CONNECTOR USB RADIO VIO WIRE W/ MOBILE PHONE PREINSTALLATION W/ UNIVERSAL INTERFACE WAKE-UP WHT WIRE YEL/BLK WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE