Lexus LS III facelift (2003-2006) fusible link block (on right rear of engine compt) Wiring diagrams

2 1 3 4 5 GND VZ PT MOPEN MSHUT 2 1 4 5 3 GND VZ MOPEN MSHUT PT 2 3 1 SHUT 5 4 1 2 3 FRS REC VZ GND PT 6 5 2 PNK WIRE A/C AMBIENT TEMPERATURE SENSOR (BEHIND LEFT SIDE OF BUMPER FASCIA) A/C CONTROL ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR A/C IG FUSE A/C ROOM TEMPERATURE SENSOR (BEHIND LEFT CENTER OF DASH) AIR INLET CONTROL SERVO MOTOR (RIGHT SIDE OF DASH) AIR MIX CONTROL SERVO MOTOR (DRIVER SIDE) (CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (DRIVER SIDE) (CENTER OF DASH) AMPB AOPB BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE C-GND COMPUTER DATA LINES SYSTEM COOL AIR BYPASS SERVO MOTOR (DRIVER SIDE) (LEFT SIDE OF DASH) COOL AIR BYPASS SERVO MOTOR (FRONT PASSENGER SIDE) (RIGHT SIDE OF DASH) COOLING FAN ECU (ON FRONT CENTER OF ENGINE COMPT, ON RADIATOR SUPPORT) D-SIG DUCT SENSOR (DRIVER'S SIDE) (BEHIND UPPER LEFT SIDE OF DASH) DUCT SENSOR (FRONT PASSENGER'S SIDE) (BEHIND UPPER RIGHT SIDE OF DASH) ED (AT TOP LEFT OF DASH) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE COOLANT TEMPERATURE SENSOR (ON FRONT CENTER OF ENGINE) ENGINE ROOM R/B 1 FR IG FUSE (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) EXHAUST GAS SENSOR (ON RIGHT SIDE OF ENGINE, ON EXHAUST SYSTEM) FAN FUSE FAN RELAY FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START JUNCTION CONNECTOR 3 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM J/B 1, ENGINE ROOM R/B 1) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MAGNETIC FIELD SENSOR (W/ COMPASS) (BEHIND CENTER OF DASH) NCA WIRE NOX ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RFC SG-7 AIF AIR SHORT CONNECTOR TAM TFACEPA TFACEDR TR NOX TPBDR TPBPA AODB VMID WATER VALVE SERVO MOTOR (CENTER OF DASH) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WVIG WVO ABODR ABSDR WVS ABOPA ABSPA AMDB YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+B MPX- TSRR 1 2 GND 1 3 8 GND MPX+ MPX- 1 9 3 21 4 30 GND IG 13 11 16 17 18 19 20 5 MPX- RMGV SMOK AUTO RHR RFR FRS SG 2 1 GND IG 6 5 4 14 HIC MPX-B MPX-IG P-GND A/C AMPLIFIER (IN LUGGAGE COMPT) A/C CONTROL ASSEMBLY AIR PURIFIER LIGHT AUDIO, REAR A/C CONTROL SWITCH B+ GND BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COOL BOX ILLUMINATION 1 3 2 DOME FUSE DRIVER SIDE J/B A/C FUSE (AT LEFT KICK PANEL) FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HEATER CONTROL SWITCH (CENTER CLUSTER INTEGRATION PANEL) (W/O NAVIGATION) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IK (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 10 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 16, 17 (BEHIND LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX-IG FUSE MULTI-DISPLAY ORG/ WIRE P-ACC FUSE P-IG FUSE PASSENGER SIDE J/B PNK WIRE REAR BLOWER RESISTOR REAR DAMPER SERVO MOTOR (REAR CENTER OF LUGGAGE COMP) REAR MAGNETIC VALVE REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE RHR RR A/C FUSE RR ECU-B FUSE SMOKE SENSOR (CENTER REAR OF VEHICLE) TX- TX+ VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

BACK-UP LIGHT SWITCH (PARK/NEUTRAL POSITION SWITCH) BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES IH (AT RIGHT SIDE OF SHIFT LEVER) J/C 1, 2 (LEFT FRONT OF ENGINE COMPT) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) JC-23 LEFT REAR COMBINATION LEFT BACK-UP LIGHT LIGHT LUG J/B FUSE LUGGAGE ROOM J/B ECU BK/UP MPX P-GND RED WIRE RIGHT BACK-UP LIGHT RIGHT REAR COMBINATION LIGHT VIO WIRE WHT WIRE WHT/BLK WIRE

A/C CONTROL ASSEMBLY A/C FUSE SIDE J/B (AT LEFT KICK PANEL) BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE COOLING FAN ECU (ON FRONT CENTER OF ENGINE COMPT, ON RADIATOR SUPPORT) ED (AT TOP LEFT OF DASH) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE COOLANT TEMPERATURE SENSOR (ON FRONT CENTER OF ENGINE) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FAN FUSE FAN RELAY FR IG FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG +B GND IK (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 1 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 3 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LT GRN WIRE LT GRN/RED WIRE P-ACC FUSE P-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) RED WIRE RED/BLU WIRE RFC SHORT CONNECTOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

13 2 10 12 1 MPX- MPX+ BUBS BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE COMBINATION METER DOME FUSE FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (AT LEFT KICK PANEL) II (AT RIGHT SIDE OF SHIFT LEVER) IH (AT RIGHT SIDE OF SHIFT LEVER) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) JC-23 LCE LP FUSE LEFT LICENSE PLATE LIGHT RIGHT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU P-GND PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE RED WIRE RIGHT REAR COMBINATION LIGHT SIDE MARKER LAMP STOP, TAIL LAMP STOP, TAIL LAMP SIDE MARKER LAMP TAIL IND (CANADA) TURN LAMP VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 LCM- LPSW TKUL LCTY AIR CONDITIONING SYSTEM BKUP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE BUBS RMGV DRIVER SIDE J/B (AT LEFT KICK PANEL) FSSS FSMS FSSV SMOK AUTO RHR RFR FRS RSC LGCY FUEL OPN FUSE FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG RSS INSTRUMENT CLUSTER SYSTEM JC-23 L-O/C(P) FUEL OPN(P) FUEL OPN(O) LCLS LOPN LCM+ LGLP LT BLU WIRE LT GRN WIRE LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX MPX+ MPX FSMV SG FSME FSSE BDCY MPX-IG FUSE MPX-IG MPX-B HIC ORG/ WIRE P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE POWER DISTRIBUTION SYSTEM POWER TOPS SYSTEM INTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM RED WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING, INSTRUMENT CLUSTER, NAVIGATION, SOUND SYSTEMS BANC BEHIND HEADLIGHT) BLK WIRE BLU WIRE BODY COMPUTER SYSTEMS D DOOR FUSE DOOR LOCK, INTERIOR LIGHT, ANTI-THEFT, POWER WINDOW, ENGINE CONTROLS, STARTING/ CHARGING, TRANSMISSIONS SYSTEMS ENGINE ROOM R/B 1 FROM DRIVER SIDE J/B FROM DRIVER SIDE J/B (D-ACC RELAY) (DIAGRAM 4 OF 5) FROM FUSIBLE LINK BLOCK FRONT CIGARETTE LIGHTER FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM IGNITION SWITCH IK (AT RIGHT SIDE OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) LOCK OFF LT GRN WIRE NAVIGATION, SOUND SYSTEMS ORG/ WIRE P ACC RELAY P B/ANC FUSE P CIG FUSE P DOOR FUSE P RR-IG FUSE H-LP LVL FUSE P-ACC FUSE P-IG FUSE P S/HTR FUSE PASSENGER SIDE J/B PASSENGER SIDE J/B ECU PNK WIRE RED WIRE RED/WHT WIRE RELAY RR DOOR LH FUSE RR DOOR RH RUN WIRE SEATS SYSTEM STA FUSE (ON LEFT FRONT OF ENGINE COMPT, STARTER RELAY STARTING/ CHARGING SYSTEM TEL FUSE TO J/C 16, 17 (DIAGRAM 1 OF 5) WHT WIRE WHT/GRN WIRE

13 10 MPX- BUBS 2 3 LPSW TKUL 7 15 16 HRLY 9 15 13 14 31 32 FTAL FHOR HORH HORL BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH, ON FRONT CENTER OF ENGINE COMPT) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GND B+ GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HAZ FUSE HDCY HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HIC HORN TAIL FUSE FUSE HORNS SYSTEM COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES IG (AT LEFT SIDE OF DASH) INNER LUGGAGE OSCILLATOR (LEFT REAR OF LUGGAGE COMPT) J/C 10, 11 J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPARTMENT LID) JC-23 KSW PUSH LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUG J/B FUSE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH (IN LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR OPENER SWITCH LUGGAGE ELECTRICAL KEY SWITCH (IN LUGGAGE COMPT DECKLID) LUGGAGE ROOM J/B LUGGAGE ROOM J/B ECU MPX-B P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE STEERING LOCK ECU (LEFT SIDE OF DASH) TSW UNLOCK WARNING SWITCH VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ COMPASS W/O COMPASS WHT WIRE WHT/BLK WIRE YEL WIRE

A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) RDFGR BLK WIRE DEFOG FUSE DEFOG RELAY DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPARTMENT, BEHIND HEADLIGHT) ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FR IG FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) J/C 1 (NEAR ENGINE CONTROL MODULE, IN PROTECTIVE CASE) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) NOISE FILTER (REAR WINDOW DEFOGGER) (BEHIND LEFT HEADLIGHT) REAR WINDOW DEFOGGER (AT REAR WINDOW) RED WIRE RED/BLK WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE EC (LEFT RADIATOR SIDE SUPPORT) EFI 2 FUSE EKNK ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) EOIL FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE FR IG FUSE IGNITION SWITCH LEFT KNOCK SENSOR (ON LEFT SIDE OF ENGINE) LOCK LT GRN WIRE MOL NT- OIL OIL PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE) P/N RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT KNOCK SENSOR (ON RIGHT SIDE OF ENGINE) SLT- SLU+ ST FUSE STA FUSE STAR STARTER RELAY TURBINE SPEED SENSOR (IN TRANSMISSION) VEHICLE SPEED SENSOR (ON TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE