Land Rover Discovery IV (2009-2013) computer data lines system Wiring diagrams

ACCESSORY SOCKET RLY ACTIVE AIR SUS CONT ALARM LED AMBIENT LIGHTING (FET) ANTI-THEFT SYSTEM BATTERY SAVER RLY BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/PPL WIRE BLU/RED WIRE BLU/WHT WIRE BODY CONTROL MODULE BONNET AJAR BRK FLUID LVL SW BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL JUNCTION BOX (RIGHT SIDE OF DASH) CIGAR LIGHTER RLY COMPUTER DATA LINES SYSTEM COOLANT LEVEL CRANK DATA (-) (3) DATA 1 (+) DATA 2 (+) DEFOGGER SYSTEM DEFOGGER, WIPER/WASHER SYSTEMS DOOR LOCKS SYSTEM DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DRV AJAR E GND ECM WAKE UP ELECTRONIC POWER STEERING, MEMORY SYSTEMS ELECTRONIC SUSPENSION SYSTEM ENGINE CONTROLS SYSTEM ENGINE JUNCTION BOX FR FAST WIPE FR INT WIPE FR PARK SIG FR SLOW WIPE FR WASH SW FR WIPER ON/OFF FR WIPER SLOW/FAST FRONT FOG LAMP RLY FRONT WASH PUMP RLY FRT FOG LAMP SW FUEL FLAP LOCK RLY FUEL FLAP UNLOCK RLY FUEL PUMP RLY FUSE LINK 15 FUSE LINK 16 FUSE LINK 17 FUSE LINK 18 GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/PPL WIRE HEADLIGHTS SYSTEM HI STOP LAMP HORN HORNS SYSTEM HOT AT ALL TIMES HS CAN-H HS CAN-L IGN RESTRAINTS RLY IGN RLY INSTRUMENT CLUSTER SYSTEM INT LP FET ISO LH CORNERING FET LP LH DIP BEAM FET LH IND LH IND FET LH MAIN BEAM FET LH POWER WASH LH STOP LAMP LH TRAILER IND FET LIN 1 LIN 2 LIN 3 LIN 4 LR AJAR LR FOG FET LR IND FET LT GRN WIRE LT GRN/GRN WIRE LT GRN/GRY WIRE LT GRN/PPL WIRE LT GRN/RED WIRE MASTER LCK SW MASTER UNLCK SW MEMORY, ELECTRONIC POWER STEERING SYSTEMS MS CAN-H MS CAN-L NAVIGATION SYSTEM ORG/BLK WIRE PAD WEAR PASS AJAR PASSIVE PNK/RED WIRE POSITION LP RLY POWER POWER DISTRIBUTION SYSTEM PPL PPL/BLU WIRE PPL/BRN WIRE PPL/LT GRN WIRE REAR HEATED RLY REAR PARK SIG REAR WASH PUMP RLY REAR WIPE REAR WIPER RED WIRE RED/BRN WIRE RED/LT GRN WIRE RED/ORG WIRE RED/WHT WIRE RER FOG LAMP SW REVERSE RLY RH CORNERING FET LP RH DIP BEAM FET RH IND RH IND FET RH MAIN BEAM FET RH POWER WASH RH STOP LAMP RH TRAILER IND FET RR AJAR RR FOG FET RR IND FET RR WASH SECONDARY REL FET SHIFT INTERLOCK SYSTEM START/ STOP SWITCH STARTING/CHARGING SYSTEM STATUS LAMP SUPPLEMENTAL RESTRAINTS SYSTEM SW 1 SW 2 TAILGATE AJAR TAILGATE GLASS REL TAILGATE REL TAILGATE/TRUNK REL FET TRUNK, TAILGATE, FUEL DOORS SYSTEM WARNING SYSTEMS WASH FLUID LVL SW WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/PNK WIRE WHT/PPL WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/PNK WIRE YEL/WHT WIRE

ALARM LED AMBER ANALOG CLOCK ANTI THEFT ALARM WARNING IND BLK WIRE BLK/PNK WIRE BODY CONTROL MODULE (BCM) BRAKE FLUID LEVEL SWITCH CENTRAL JUNCTION BOX CLOCK- SPRING COMPUTER COMPUTER DATA LINES SYSTEM COOLANT LEVEL EJECT SENS ELECTRIC PARK BRAKE LAMP IND ENGINE COOLANT LEVEL SENSOR ESCL ESCL GND FRONT FOG LAMPS IND FUEL TANK UNIT FUSE 40 FUSE 61 GND SENS GRN/PNK WIRE GRY/PPL WIRE HOT AT ALL TIMES HS CAN-H HS CAN-L IGNITION/ NO CHARGE WARNING IND ILLUM INSTRUMENT CLUSTER LEFT FRONT PAD WEAR SENSOR LEFT STEERING WHEEL MODULE LEFT TURN SIGNAL IND LIN IPC MS CAN-H MS CAN-L PAD WEAR PUMP SENS REAR FOG LAMPS IND RED WIRE RED/BLU WIRE RED/BRN WIRE RIGHT REAR PAD WEAR SENSOR RIGHT TURN SIGNAL IND STEERING COLUMN LOCK MODULE STEERING COLUMN LOCK SWITCH TAIL GATE AJAR TAILGATE UPPER CDL MOTOR TRIP WHT/BLU WIRE WHT/GRY WIRE WHT/ORG WIRE WHT/PPL WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

-VE 1 1 LF DOOR- BLK WIRE CENTER SPEAKER CENTRE- COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE HEAD- PHONE SOCKET HEAD- PHONE SWITCH LEFT HEADPHONE UNIT LF BASS+ LF DOOR LF MH+ LH AUDIO +VE LH AUDIO -VE GND LR DOOR LS+ LS- 2 2 MOST IN MOST OUT ORG/ WIRE POWER AMPLIFIER (UNDER RIGHT FRONT SEAT) R/S REAR SEAT ENTERTAINMENT CIRCUIT RED WIRE REMOTE CTRL +VE RF BASS+ RF DOOR RF MH+ RH AUDIO -VE RH AUDIO -VE GND RIGHT FRONT HIGH RANGE SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT HEADPHONE UNIT RIGHT REAR SURROUND SOUND SPEAKER RR DOOR SPDIF (-) SUB 1 + VE SUB 2 + VE SUBWOOFER W/ AUD 2 W/ AUD 4 YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/PNK WIRE

ACC DETECT ACC IDENT AUDIO HEAD UNIT AUDIO LEFT AUDIO RETURN AUDIO RIGHT BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE CENTRAL JUNCTION BOX COMPUTER DATA LINES SYSTEM CONNECTION DETECT DATA ENGINE JUNCTION BOX FUSE 67 FUSE LINK 18 GRN WIRE HOT AT ALL TIMES INFO- TAINMENT RELAY IPOD CHARGE GND IPOD CHARGE POS IPOD DETECT IPOD RX IPOD TX IPOD/USB PORT LT GRN WIRE MOST IN MOST OUT NCA WIRE ORG/ WIRE PNK WIRE PORTABLE AUDIO INTERFACE CONSOLE PORTABLE AUDIO INTERFACE MODULE (UNDER LEFT FRONT SEAT) PPL PPL/WHT WIRE RED WIRE RED/BLU WIRE USB DIGITAL GND USB SHIELD WHT WIRE YEL WIRE

-VE AM/FM DIVERSITY ANTENNA AMPLIFIER ANT PWR AON AOP AUDIO HEAD UNIT AUX L + AUX R + AV INPUT PANEL B/ON BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) BOP BRN/BLU WIRE BRN/GRY WIRE CENTRAL JUNCTION BOX COMP- UTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CTRL FM ANTENNA AMPLIFIER FM/TMC/ VICS FUSE 40 FUSE 64 FUSE 67 FUSE 68 GPS GPS ANTENNA GRN/PNK WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES INFOTAINMENT RELAY LOWER INTEGRATED CONTROL PANEL MIC - MIC SHIELD MOST IN MOST OUT MS CAN-H MS CAN-L NAVIGATION UPDATE SOCKET NCA WIRE ORG/ WIRE POWER PPL PPL RF IN PPL RF OUT PPL W/O IBOC PPL/BLU WIRE PPL/WHT WIRE RED WIRE RED/BLU WIRE RELAY RF IN RF INPUT RF OUT SCR SWS SWS GND TOUCH SCREEN DISPLAY TV VIDEO W/ IBOC W/ VEHICLE INFORMATION CONTROL SYSTEM W/O VEHICLE INFORMATION CONTROL SYSTEM WHT WIRE YEL/BLU WIRE YEL/WHT WIRE

AM/FM DIVERSITY ANTENNA AMPLIFIER ANTENNA PWR AUDIO HEAD UNIT AUX GND AUX L + AUX R + AV INPUT PANEL BLK WIRE BLU WIRE CAN L CENTRAL JUNCTION BOX CLOCK- SPRING COAX COMPUTER DATA LINES SYSTEM FUSE 51 FUSE 64 GND RTN GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES MENU DOWN SWITCH MENU LEFT SWITCH MENU RIGHT SWITCH MENU UP SWITCH MS CAN-H MS CAN-L MULTI-FUNCTION DISPLAY UNIT NCA WIRE PHONE OFF SWITCH PHONE ON SWITCH PNK AUDIO (AIP) WIRE PNK WIRE POWER GND PPL PPL COAX RED WIRE REMOTE CTRL- RIGHT FRONT DOOR MID RANGE SPEAKER RIGHT FRONT HIGH RANGE SPEAKER RIGHT REAR HIGH RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT STEERING WHEEL MODULE SCRN SPK-FL - SPK-FR + SPK-RL - SPK-RR - VBATT VOICE COMMAND SWITCH W/ PHONE W/O PHONE WHT WIRE YEL/BLU WIRE YEL/WHT WIRE

AM/FM DIVERSITY ANTENNA AMPLIFIER ANTENNA PWR AUDIO HEAD UNIT AUX GND AUX L + AUX R + AV INPUT PANEL BLK WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) BRN/PPL WIRE CAN L CENTRAL JUNCTION BOX COAX COMPUTER DATA LINES SYSTEM CTRL ENGINE JUNCTION BOX FRONT INTERIOR LAMPS FUSE 51 FUSE 64 FUSE LINK 11 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES LINE IN L LINE IN R LINE OUT L LINE OUT R MIC - MIC IN - MICROPHONE MS CAN-H MS CAN-L MULTI-FUNCTION DISPLAY UNIT NCA WIRE POWER AMPLIFIER (UNDER RIGHT FRONT SEAT) POWER GND PPL PPL COAX RED WIRE REF GND REF IN GND REMOTE + REMOTE ENABLE SCRN SPD (PWM SIG) SPK-FL - SPK-FR + SPK-RL - SPK-RR - SUB 1 OUT + SUB 2 OUT + TELEPHONE MODULE VBATT W/ PHONE W/O PHONE YEL/BLU WIRE YEL/WHT WIRE

AUDIO HEAD UNIT B/L DC SUPPLY B/L GND BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/GRY WIRE CENTRAL JUNCTION BOX COMPUTER DATA LINES SYSTEM ENGINE JUNCTION BOX FUSE 64 FUSE 67 FUSE 68 FUSE LINK 18 HOT AT ALL TIMES INFOTAINMENT RELAY IS-BUS FRAME- IS-BUS SIG- LEFT REAR SEAT ENTERTAINMENT SCREEN MOST IN MOST OUT NCA WIRE ORG/ WIRE ORG/GRN WIRE PNK WIRE PNK/GRN WIRE POWER GND PPL PPL/BLU WIRE PPL/GRN WIRE PPL/WHT WIRE REAR SEAT ENTERTAINMENT MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT REAR SEAT ENTERTAINMENT SCREEN SHIELD GND TOUCH SCREEN DISPLAY TV COMP I/P TV GND TV GND/HLDF TV+HLDF VIDEO COMP GND VIDEO COMP I/P VIDEO COMP O/P WHT WIRE YEL WIRE YEL/GRN WIRE

AI-NET + AI-NET GND AUDIO SHIELD GND AUX 1 AUDIO L- AUX 1 AUDIO R- AUX 1 VIDEO- AUX 2 AUDIO L- AUX 2 AUDIO R- AUX 2 VIDEO- AV INPUT PANEL BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CVBS GND CVBS OUT DVD AUDIO GND DVD AUDIO L DVD AUDIO R DVD MODULE DVD VIDEO GND GOLD PLATED GRN WIRE MOST IN MOST OUT NCA WIRE NICKEL OPTICAL FIBRE O/P ORG/ WIRE PNK WIRE POWER AMPLIFIER PPL PPL/BLU WIRE REAR SEAT ENTERTAINMENT MODULE RED WIRE RED/GRN WIRE REMOTE GND REMOTE SIGNAL SCR GND SHIELD/GND SPDIF (-) START UP TELEPHONE MODULE TELEVISION RECEIVER TV ANTENNA VIDEO COMP I/P VIDEO COMP O/P VIDEO GND W/ TELEPHONE W/O TELEPHONE WHT WIRE YEL WIRE

BLK WIRE BLK/GRY WIRE BLK/PPL WIRE BODY CONTROL MODULE (BCM) CAN HI CAN LO CENTRAL JUNCTION BOX COMPUTER DATA LINES SYSTEM FUEL FLAP LOCK RELAY FUEL FLAP RELEASE MOTOR FUEL FLAP UNLOCK RELAY FUSE 34 HOT AT ALL TIMES LEFT LOWER TAILGATE RELEASE MOTOR LOWER TAILGATE RELEASE REQUEST SWITCH NUMBER PLATE, TAIL DOOR LAMP SWITCH OPEN TAIL DOOR SWITCH RIGHT LOWER TAILGATE RELEASE MOTOR SEC SECONDARY TAILGATE RELEASE FET TAILGATE AJAR TAILGATE OPEN SWITCH TAILGATE REL TAILGATE UPPER CDL MOTOR TAILGATE) TAILGATE/ TRUNK RELEASE FET TRUNK REL UPPER TAILDOOR RELEASE REQUEST SWITCH WHT/ORG WIRE YEL/BLU WIRE YEL/WHT WIRE