Lexus LS IV (2006-2012) center junction block j/b 4 Wiring diagrams

1 2 3 5 6 TSL TSR CLTE CLTS CLTB 6 5 8 CANN CANP PNK WIRE AIR CONDITIONING SYSTEM AUTO AUTOMATIC LIGHT CONTROL SENSOR (CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK CENTER JUNCTION BLOCK J/B 4 CENTER JUNCTION BLOCK J/B 5 (LEFT SIDE OF DASH) CLTB CLTE CLTS DCTY DRIVER SIDE J/B (LEFT END OF DASH) FLSW FRLY FUSE GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD HEAD AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (RIGHT END OF DASH) P-D/C CUT FUSE HOT IN ON OR ACC D ACC FUSE HZCT HZSW ILLUM J/B 3 (RIGHT SIDE OF DASH) LCTY LEFT LIGHT CONTROL SWITCH LJB LT BLU WIRE LT GRN WIRE MAIN BODY ECU OFF TAIL ORG/ WIRE PASSENGER SIDE J/B PCTY PNK WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT RIGHT END OF DASH) TAIL TO DRIVER SIDE J/B (DIAGRAM 3 OF 3) TRNL TRNR TURN SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

10 11 MPX+ MPX- 13 22 CANH CANL 22 21 CANL CANH 3 4 CANH CANL 4 5 MPX+ MPX- 4- SEATER 5- SEATER 7 8 CANH CANL 9 20 CANH CANL 9 4 CAN- CAN+ ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 CENTER JUNCTION BOX 3 (RIGHT SIDE OF DASH) CLOCK DISPLAY, NAVIGATION MODULE DISPLAY DRIVER SIDE J/B (LEFT END OF DASH) GRN WIRE LT GRN WIRE MULTI-MEDIA INTERFACE ECU (RIGHT FRONT OF LUGGAGE COMPT) PASSENGER SIDE J/B (RIGHT END OF DASH) POWER STEERING ECU ASSEMBLY (RIGHT SIDE OF ENGINE COMPT) REAR CONSOLE SWITCH RED WIRE STEERING CONTROL ECU (RIGHT SIDE OF DASH) SUSPENSION CONTROL ECU (RIGHT END OF DASH) TX+1 TX-1 WHT WIRE WHT/BLK WIRE YEL WIRE

11 6 3 13 10 9 1 CPUB BDR SIG PNLI CANN CANP GND 15 16 23 24 ASH- ASH+ MSW- MSW+ PNK WIRE 23 22 CANN CANP 24 23 16 15 MSW+ MSW- ASH+ ASH- 4 18 ILL- ILL+ 4- SEATER 5- SEATER 6 14 ILL+ ILL- 9 11 8 CTY ARMREST COURTESY LIGHT SWITCH ASSEMBLY BLU WIRE BRN WIRE CENTER JUNCTION BLOCK J/B 4 CENTER JUNCTION BLOCK J/B 4 (RIGHT SIDE OF DASH) COMBINATION METER COMPUTER 10 9 1 6 11 3 13 CANN CANP GND BDR CPUB SIG PNLI DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COOLING BOX ASSEMBLY (4-SEATER) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FRONT TRIP CIGARETTE SWITCH LIGHTER GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES RR MPX B 2 FUSE HOT IN ON OR START HOT IN ON OR START LUGGAGE RR- ROOM J/B FUSE (LEFT SIDE OF LUGGAGE COMPT) ILL- REAR CONSOLE SWITCH (5-SEATER) ILL- SWITCH (4-SEATER) LEFT REAR ASHTRAY LIGHT LEFT REAR MULTIPLEX NETWORK DOOR ECU (LEFT REAR DOOR) LEFT REAR SEAT MEMORY SWITCH LT BLU WIRE LT GRN WIRE LUGGAGE DOOR OPENING SWITCH ASSEMBLY MICRO COMPUTER ORG/ WIRE P RR DOOR -2 MPX-B FUSE FUSE FUSE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE POWER SUPPLY REAR CURTAIN SWITCH ASSEMBLY RED WIRE RHDW RHUP RIGHT REAR ASHTRAY LIGHT RIGHT REAR MULTIPLEX NETWORK DOOR ECU (RIGHT REAR DOOR) RIGHT REAR SEAT MEMORY SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

4 SEATER, 5 SEATER, W/O OTTOMAN BACK BLK WIRE BLU WIRE BRN WIRE CANN CANP CENTER JUNCTION BLOCK J/B 4 COMBINATION METER COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DOWN GRN WIRE GRN/BLK WIRE GRN/RED WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LEFT REAR POWER LUMBAR SUPPORT POSITION MOTOR ASSEMBLY (LEFT REAR SEAT BACK) LT GRN WIRE MPX ORG/ WIRE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE PVCC REAR SEAT RETURN SWITCH RED WIRE RIGHT REAR POWER LUMBAR SUPPORT POSITION MOTOR ASSEMBLY (RIGHT REAR SEAT BACK) RODW ROUP SENSOR SSRO SSRS SSRV W/ OTTOMAN W/ OTTOMAN, 5 SEATER WHT WIRE WHT/BLK WIRE YEL WIRE