Lexus LS III facelift (2003-2006) (at left radiator side support) ec 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

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

10 13 2 BUBS MPX- MPX+ 10 5 7 8 BU+ MPX-B 2 13 14 CLTB CLTS CLTE 7 15 HRLY AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER CENTER OF DASH) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE CLTB CLTE CLTS COMBINATION SWITCH COMPUTER DATA LINES SYSTEM 25 11 28 10 CANL CANH PKB LBL DATA RSSI DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) CTY DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FUSE GRN WIRE GRN/ORG WIRE HEAD HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 13 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX-IG MPX-IG FUSE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT END OF DASH, ON PARKING BRAKE MECHANISM) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RCO RDA RSSI RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE STEERING LOCK ECU (LEFT SIDE OF DASH) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK WIRE YEL WIRE

7 15 16 HRLY AIR BAG SENSOR ASSEMBLY (FRONT OF CENTER CONSOLE) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BM (AT LEFT REAR QUARTERPANEL) BRN/RED WIRE BRN/WHT WIRE BUBS COMPT) COMPUTER DATA LINES SYSTEM D-ACC FUSE DATA RSSI +5 DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH, ON FRONT CENTER OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GSW GSW RDA RSSI HDCY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE IND BZR J/C 10, 11 J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 24 ON LEFT REAR OF LUGGAGE COMPARTMENT LID) JC-23 KEYLESS BUZZER ON/OFF SWITCH LT BLU WIRE LT GRN/BLK WIRE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH (IN LUGGAGE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX OF SHIFT LEVER) ORG/ WIRE P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLU WIRE RCO RED WIRE RED/BLU WIRE RED/YEL WIRE SECURITY FUSE SECURITY INDICATOR LIGHT (RHEOSTAT) SH- BZRG IG THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) THEFT DETERRENT HORN (ON RIGHT REAR OF ENGINE COMPT) TKUL TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) UNLOCK WARNING SWITCH VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE