Lexus GS II (1997-2000) passenger side junction block (behind lower right end of dash) Wiring diagrams

5 2 11 PWS SH GRD BDR BLK/ WHT WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU 1 BRN/BLK WIRE BSUB BZR RSSI RDA RCO COMBINATION METER COMPUTER DATA LINES SYSTEM CPUB SIG CTY CTYE ML MUL DLE KUL KL LSW LSWE A- A+ GRD DOME FUSE ENGINE CONTROL SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM FRONT PASSENGER DOOR ECU (IN PASSENGER'S DOOR) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IND HAZ HORN HCTY TKUL TR+ LGCY GSW JUNCTION CONENCTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 14 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 17 (UPPER RIGHT END OF DASH) LOCK LOCK DETECT LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE P FR DOOR FUSE P RR DOOR FUSE PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PPL RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH SECURITY INDICATOR (RHEOSTAT) THEFT DETERRENT HORN (AT RIGHT FRONT OF ENGINE COMPT) UNLK UNLK LOCK VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

1 2 3 IG SH HR BSUB PWS 10 11 12 NOT USED GRD NOT USED 7 8 NOT USED BECU BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BODY ECU 1 BZR DATA LINK CONNECTOR 3 DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ENGINE HOOD COURTESY SWITCH LUGGAGE COMPARTMENT COURTESY SWITCH ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FRONT PASSENGER DOOR ECU (IN PASSENGER'S DOOR) GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HCTY LGCY HORN RELAY LUGGAGE COMPARTMENT OPENER MOTOR HORN TR+ GSW RSSI RCO RDA HOT AT ALL TIMES HOT IN ACC OR RUN JUNCTION CONNECTOR J/C 13 (BEHIND COMBINATION METER) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MIR RELAY DFG MOON ROOF CONTROL ECU MPX-B FUSE ORG/ WIRE P FR DOOR FUSE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PKB IND PWR SNOW HAZ PPL PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) PPL PPL/GRN WIRE PPL/YEL WIRE RADIO 2 FUSE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) TKUL TSW PBKL W/ MEMORY SEAT W/O MEMORY SEAT WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WIRELESS DOOR LOCK BUZZER WIRELESS DOOR LOCK BUZZER WIRELESS DOOR LOCK ECU WIRELESS DOOR LOCK ECU WIRELESS DOOR LOCK ECU YEL/BLK WIRE

AUTO AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BECU TRLY GRD CLTS CLTE CLTB BLK/ WHT WIRE BLK/RED WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 2 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM GSWO AUTO HEAD TAIL CPUB CTYE BDR SIG CTY D FR DOOR FUSE DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN RUN OR START HRLY HEADLIGHTS SYSTEM JUNCTION CONNECTOR J/C 10 (UPPER LEFT END OF DASH) JUNCTION CONNECTOR J/C 14 (BEHIND COMBINATION METER) JUNCTION CONNECTOR J/C 19 (TOP OF LEFT REAR WHEEL- WELL) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT SIDE MARKER LIGHT LEFT LICENSE PLATE LIGHT LEFT PARKING LIGHT MPX-B FUSE ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PPL/RED WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT SIDE MARKER LIGHT RIGHT LICENSE PLATE LIGHT RIGHT PARKING LIGHT STOP FUSE STOPLIGHT SWITCH (BRAKE PEDAL BRACKET) TAIL TAIL HEAD AUTO OFF OFF WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE

A/C CONTROL ASSEMBLY HAZARD SWITCH ABS, TRAC, VSC ECU BLK WIRE BLK/ WHT WIRE BLOWER MOTOR CONTROLLER BODY ECU 1 BODY ECU 2 BRAKE FLUID LEVEL WARNING SWITCH CANADA CD AUTOMATIC CHANGER CENTER AIRBAG SENSOR ASSEMBLY CIGARETTE LIGHTER POWER OUTLET CLOCK COMBINATION METER D/A CONVERTER DASH HARN, BEHIND COMBINATION METER) DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH FAN 2 RELAY FAN 3 RELAY FROM FROM JUNCTION CONNECTOR J/C 10 (DIAGRAM 2 OF 4) FRONT PASSENGER DOOR ECU FRONT WIPER MOTOR GARAGE DOOR OPENER GLOVE BOX LIGHT SWITCH HTR RELAY IG RELAY INNER MIRROR INSTRUMENT PANEL JUNCTION BLOCK (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR J/C 17 (UPPER RIGHT END OF DASH) LEFT REAR INTERIOR LIGHT LEFT VANITY LIGHT MOON ROOF CONTROL ECU MOON ROOF CONTROL SWITCH NOISE FILTER PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PASSENGER SIDE RELAY BLOCK (BEHIND LOWER RIGHT END OF DASH) PERSONAL LIGHT POWER STEERING OIL PRESSURE SWITCH RADIO AND PLAYER RIGHT MIRROR HEATER RIGHT REAR INTERIOR LIGHT RIGHT VANITY LIGHT SHIFT LOCK CONTROL ECU STEREO COMPONENT AMPLIFIER MULTI- DISPLAY VSC OFF SWITCH W/ MEMORY W/O MEMORY WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE

5 1 FFGO IG BECU TRLY GRD CLTS CLTE CLTB BLK/ WHT WIRE BLK/RED WIRE BLU RED/ WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 2 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM GSWO FFOG AUTO HEAD TAIL CTY D FR DOOR FUSE DIMMER SWITCH DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FOG LIGHTS FOG RELAY FOGLIGHT SWITCH FR FOG FUSE GAUGE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHT SWITCH HIGH LOW HOT AT ALL TIMES HOT IN START OR RUN HRLY ALTL JUNCTION CONNECTOR J/C 17 (UPPER RIGHT END OF DASH) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT FOG LIGHT LEFT FRONT STRUT TOWER) MPX-B FUSE ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) RED WIRE RED/ BLU WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT FOG LIGHT SIG BDR CPUB CTYE TAIL HEAD AUTO OFF TAIL OFF AUTO WHT GRN/ WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/RED WIRE

BLU/RED WIRE COMBINATION METER DAYTIME RUNNING LIGHT RELAY 3, 4 (AT LEFT FRONT CORNER OF ENGINE COMPT) DIMMER DRL 2 RELAY DRL 1 FUSE DRL 2 FUSE ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM RELAY BLOCK 3 (ON LEFT SIDE OF ENGINE COMPT, FRONT OF STRUT TOWER) FUSE HEAD LP RELAY HEADLIGHTS SYSTEM (HEADLIGHT BEAM LEVEL CONTROL ECU) HI BEAM INDIC HOT AT ALL TIMES JUNCTION CONNECTOR J/C 11 (BEHIND COMBO METER) JUNCTION CONNECTOR J/C 14 (BEHIND COMBINATION METER) JUNCTION CONNECTOR J/C 15 (BEHIND COMBO METER) JUNCTION CONNECTOR J/C 18 (RIGHT KICK PANEL) LEFT FRONT STRUT TOWER) LEFT HIGH BEAM HEADLIGHT LEFT LOW BEAM HEADLIGHT LEFT LOWER HEAD FUSE LEFT UPPER HEAD FUSE MAIN DAYTIME RUNNING LIGHT RELAY (BEHIND RIGHT END OF DASH) MAIN FUSE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HIGH BEAM HEADLIGHT RIGHT LOW BEAM HEADLIGHT RIGHT LOWER HEAD FUSE RIGHT UPPER HEAD FUSE WHT RED/ WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

5 1 FFGO IG AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BECU TRLY GRD CLTS CLTE CLTB BLK/ WHT WIRE BLK/RED WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 2 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM GSWO FFOG AUTO HEAD TAIL CTY D FR DOOR FUSE DIMMER SWITCH DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FLASH TAIL FOG LIGHTS FOG RELAY FOGLIGHT SWITCH FR FOG FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHT SWITCH HIGH AUTO LOW HOT AT ALL TIMES HOT IN RUN OR START JUNCTION CONNECTOR J/C 10 (UPPER LEFT END OF DASH) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT FOG LIGHT LEFT FRONT STRUT TOWER) MPX-B FUSE ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT FOG LIGHT SIG BDR CPUB CTYE TAIL HEAD AUTO OFF OFF WHT GRN/ WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE

5 2 11 PWS SH GRD BDR BLK/ WHT WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU 1 BRN/BLK WIRE BSUB BZR RSSI RDA RCO COMBINATION METER COMPUTER DATA LINES SYSTEM CPUB SIG CTY CTYE ML MUL DLE KUL KL LSW LSWE A- A+ GRD DOME FUSE ENGINE CONTROL SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM FRONT PASSENGER DOOR ECU (IN PASSENGER'S DOOR) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONENCTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 14 (BEHIND COMBINATION METER) JUNCTION CONNECTOR J/C 15 (BEHIND COMBINATION METER) JUNCTION CONNECTOR J/C 17 (UPPER RIGHT END OF DASH) LOCK LOCK DETECT LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE P FR DOOR FUSE P RR DOOR FUSE PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PPL PPL IND HAZ HORN HCTY TKUL TR+ LGCY GSW PPL/GRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH SECURITY INDICATOR (RHEOSTAT) THEFT DETERRENT HORN (AT RIGHT FRONT OF ENGINE COMPT) UNLK UNLK LOCK WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

+B AUI- AUO- 1 2 3 4 5 6 7 8 9 10 11 12 13 AUI+ AUO+ PNK WIRE 1 2 TX- TX+ 1 2 VR SYNC 1995 VFTC AIR CONDITIONING SYSTEM BLK WIRE BLK/ WHT WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRAIDED BRAIDED VG BRN WIRE DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACCY OR RUN ILLUM INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR J/C 22 (UNDER RIGHT C-PILLAR) LEFT FRONT DOOR SPEAKER LT GRN WIRE MEMORY SYSTEMS MULTI-DISPLAY NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) PNK WIRE PPL PPL/WHT WIRE RADIO 2 FUSE RADIO, PLAYER RED WIRE SPD (VSS) SYNC TV FUSE VR VG TX- BRAIDED WHT WIRE WHT/BLK WIRE YEL WIRE

3.0L, 4.0L A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU 1 DEF RELAY (IN PASSENGER SIDE RELAY BLOCK) DEFOG FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPARTMENT, IN ECU BOX) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START J/C 13 (BEHIND LEFT SIDE OF DASH) MULTI DISPLAY (CENTER OF DASH) NOISE FILTER PASSENGER SIDE JUNCTION BLOCK (BEHIND LOWER RIGHT END OF DASH) REAR WINDOW DEFOGGER RED WIRE RED/BLU WIRE WHT WIRE WHT/BLK WIRE