Lexus GS III (2004-2007) multi-display Wiring diagrams

+IG 5 25 WA D/G ABS SOL RELAY ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BRN WIRE CG SG COMBINATION METER CYLINDER HEAD) ED DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) ED (GS 300: AT REAR OF INTAKE MANIFOLD) (GS 430: ON LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRY WIRE HOT AT ALL TIMES IGNITER 1 TAC (LEFT SIDE OF ENGINE) II (AT RIGHT SIDE OF DASH) J/C 1 (IN ECU BOX) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 2 J/C 26 (IN ECU BOX) J/C 3, 4 (IN ECU BOX) J/C 9 LT GRN/BLK WIRE MULTI-DISPLAY NCA WIRE OBD FUSE SIDE J/B (BEHIND LEFT KICK PANEL) PNK WIRE PNK/BLK (OR PNK) WIRE PNK/BLK WIRE SHORT PIN SIL TACH TC +B TS TC WB DATA LINK CONNECTOR 1 (AT LEFT SIDE OF ENGINE COMPT, BEHIND ECU BOX) WFSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WSFE BAT WSFE TS

A/C CONTROL ASSEMBLY ABS, TRAC, VSC ECU AUTOMATIC CD CHANGER BLOWER MOTOR CONTROLLER BODY ECU 1 BODY ECU 2 BRAKE FLUID LEVEL WARNING SWITCH CENTER AIR BAG SENSOR ASSEMBLY FRONT WIPER MOTOR CIGARETTE LIGHTER CLOCK COMBINATION METER II (AT RIGHT SIDE OF DASH) COMPASS DRIVER SIDE J/B (BEHIND LEFT ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH FAN 2 RELAY FAN 3 RELAY FROM JUNCTION CONNECTOR 6 (DIAGRAM 2 OF 4) FROM JUNCTION CONNECTOR J/C 10 (DIAGRAM 2 OF 4) FRONT PASSENGER DOOR ECU GARAGE DOOR OPENER GATEWAY ECU GLOVE BOX LIGHT SWITCH GLOVE BOX) HAZARD SWITCH IG (AT LEFT SIDE OF DASH) IG RELAY IH (AT RIGHT DASH PANEL BRACE) INNER MIRROR INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) KICK PANEL) LEFT REAR INTERIOR LIGHT LEFT VANITY LIGHT MOON ROOF CONTROL ECU MOON ROOF CONTROL SWITCH MULTI-DISPLAY NOISE FILTER PANEL) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE R/B (BEHIND RIGHT KICK SHIFT LOCK CONTROL ECU HTR RELAY PERSONAL LIGHT PLAYER RADIO RIGHT MIRROR HEATER RIGHT REAR INTERIOR LIGHT RIGHT VANITY LIGHT STEREO COMPONENT AMPLIFIER VSC OFF SWITCH POWER OUTLET WHT/BLK WIRE

5 12 11 4 GTX+ GTX- 5 16 MPX+ MPX- A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BODY ECU 2 (IN DRIVER SIDE J/B) BRN WIRE CENTER AIR BAG COMBINATION METER DRIVER DOOR ECU (IN DRIVER'S DOOR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR ECU (IN LEFT REAR DOOR MOON ROOF CONTROL ECU (IN FRONT OF MOON ROOF OPENING) MULTI-DISPLAY ORG/ WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) RADIO, PLAYER RED/BLU WIRE RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SENSOR ASSEMBLY (BEHIND CENTER OF DASH, FORWARD OF CENTER CONSOLE) STEERING PAD SWITCH (COMBINATION SWITCH) TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) W/ MEMORY W/ NAVIGATION W/O MEMORY W/O NAVIGATION WHT WIRE YEL WIRE

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/T SHIFT POSITION ILLUMINATION ANTI-THEFT SYSTEM BJ (AT LEFT REAR FLOOR PARTITION PANEL) BL (AT RIGHT REAR FLOOR PARTITION PANEL) BODY ECU 2 (IN DRIVER SIDE J/B) CIGARETTE LIGHTER COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH GLOVE BOX LIGHT GLOVE BOX LIGHT SWITCH GRN WIRE GRN/RED WIRE HAZARD SWITCH HEADLIGHT CLEANER SWITCH (CANADA) HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 16 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) IF LEFT REAR ASHTRAY ILLUMINATION LEFT REAR DOOR ECU (IN LEFT REAR DOOR LIGHT CONTROL SWITCH COMBINATION SWITCH LT GRN WIRE MIRROR RETRACTION SWITCH MULTI-DISPLAY OFF PANEL FUSE RADIO, PLAYER RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH RHEOSTAT (SECURITY INDICATOR LIGHT) RIGHT REAR ASHTRAY ILLUMINATION RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SEAT HEATER SWITCH TAIL TAIL RELAY VIO WIRE VSC OFF SWITCH WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

+B AUI- AUO- 1 2 3 4 5 6 7 8 9 10 VR 1 2 3 4 5 AUI+ AUO+ 12 5 GTX- GTX+ 9 10 TX- TX+ PNK WIRE ACAN BLK WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU 2 (IN DRIVER SIDE J/B) BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B RADIO 2 FUSE (BEHIND LEFT KICK PANEL) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IG DR IH (AT RIGHT DASH PANEL BRACE) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 22 (ABOVE RIGHT REAR WHEELWELL) J/C 27 (BEHIND LEFT KICK PANEL) J/C 28 (RIGHT SIDE OF LUGGAGE COMPT) LEFT FRONT DOOR SPEAKER LEVINSON LT GRN/BLK WIRE MARK LEVINSON EXCEPT MARK MULTI-DISPLAY N-MU NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PKB TC PNK WIRE PNK/BLK WIRE RADIO, PLAYER RED WIRE RED/BLU WIRE REV MUTE SYNC TV FUSE TX+ VG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +B ILL 3 10 PNK WIRE 5 12 GTX+ GTX- ANT B ANT A ANT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DOME FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IH (AT RIGHT DASH PANEL BRACE) ILL INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 18 (BEHIND RIGHT KICK PANEL) J/C 28 (RIGHT SIDE OF LUGGAGE COMPT) LT GRN WIRE MULTI-DISPLAY MUTE R+ L+ NCA WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK TX- WIRE PNK WIRE POWER ANTENNA SYSTEM R- L- GND RADIO 1 FUSE RADIO 2 FUSE RADIO, PLAYER RED WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

+B FR- FL- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +B ILL INTERIOR LIGHTS SYSTEM 1 2 3 4 5 6 7 8 9 10 11 12 R+ L+ SGND MUTE 1 2 3 4 5 6 7 8 9 10 CDR+ CDL+ MUTE TXM+ 1 2 3 4 5 6 7 8 9 10 FR+ FL+ (OR PNK) WIRE 1 2 3 4 5 6 7 8 PNK TXM+ CDR+ CDL+ TXM- CDR- MUTE WIRE 1 2 3 RR+ RL+ RR- 1 4 SP+ SP- 1 4 SPI+ SPI- 15 1 10 11 2 MUTE AUI+ AUI- AUO- AUO+ 3 10 PNK WIRE 5 12 GTX+ GTX- 5 6 WF- RL- ANT B ANT ANT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CD AUTOMATIC CHANGER (IF EQUIPPED) CDL+ CDR- CDL- GND TXM- DOME FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IH (AT RIGHT DASH PANEL BRACE) ILL INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 18 (BEHIND RIGHT KICK PANEL) LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT LT MULTI-DISPLAY MUTE MUTE R+ L+ N-MU NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPARTMENT) NCA WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK BUS- BUS+ WIRE PNK TX- WIRE PNK WIRE PNK/BLU WIRE POWER ANTENNA SYSTEM R - L - R- L- GND RADIO 1 FUSE RADIO 2 FUSE RADIO, PLAYER RED WIRE RIGHT FRONT DOOR SPEAKER SIDE OF DASH) SPEAKER STEREO COMPONENT AMPLIFIER (BEHIND RIGHT TELEPHONE TRANSCEIVER, SPEAKER RELAY (AT RIGHT SIDE OF LUGGAGE COMPT) TLMT TWEETER VIO WIRE W/ NAVIGATION W/ NAVIGATION W/O NAVIGATION PNK WIRE W/O NAVIGATION WF- WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WOOFER SPEAKER RIGHT REAR DOOR SPEAKER YEL WIRE YEL/GRN WIRE