Lexus IS II facelift 2 (2010-2016) relay Wiring diagrams

A/C AMPLIFIER (CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LEFT SIDE OF RADIATOR) A/C ROOM TEMPERATURE SENSOR (COOLER THERMISTOR) (LEFT CENTER OF DASH) AUTOMATIC LIGHT CONTROL SENSOR (TOP FRONT OF DASH) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLLH BLRH BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BLW BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS DGS TSD ECU-IG LH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LOUT LT GRN WIRE MHTR RDFG MPX+ MPX- PNK SG-2 SG-6 WIRE PNK WIRE PRE TSP PNK WIRE REAR WINDOW DEFOGGER SWITCH RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) ROUT SEAT HEATER SWITCH (W/ CLIMATE CONTROL SEAT) SEATS SYSTEM SG-1 GND IG+ SG-4 SMOG VENTILATION SENSOR (3.5L) (RIGHT FRONT OF RADIATOR) SOLAR SENSOR SVSG SW 5 SW 4 TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

2.5L 3 1 2 +B GND 3.5L ACMG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING UNIT MOTOR SUB-ASSEMBLY W/ FAN (RIGHT SIDE OF DASH) CRANK POSITION SENSOR (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ETAM FAN FUSE GLW GLW FUSE FUSE FUSE GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) LCKI NCA WIRE NE+ PNK WIRE RED WIRE RELAY TAM VIO/RED WIRE WATER BY-PASS GLOW PLUG (REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 PKB LCTY TRLY HRLY 28 29 30 31 32 HORN SH BECU IG BLK WIRE BLU WIRE BZR DMDR DMON DOMR GSW DRLE FSPT DOOR LOCKS, ANTI-THEFT SYSTEMS ECU-ACC FUSE ECU-B FUSE EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM POWER WINDOWS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS HOT AT ALL TIMES ILE RCTY FRCL LGCY LSWL TR+ FFGO ACT- ACT+ ACTD INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INSTRUMENT PANEL J/B (LEFT END OF DASH) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LT BLU WIRE LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) NAVIGATION, SOUND SYSTEMS ORG/ WIRE PNK CANP CANN WIRE PNK WIRE POWER WINDOWS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS RED WIRE RELAY RELAY ENERGIZED REV FRCL SSCL TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 4 5 6 2 4 5 6 EC BATT 3.5L, 2.5L 4 3 9 19 26 27 30 31 32 33 34 35 STP TC ACCELERATOR POSITION SENSOR (ACCELERATOR PEDAL ASSEMBLY) (LEFT SIDE OF DASH) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL STEERING RIGHT DISTANCE CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IGN FUSE LT GRN WIRE MODE MREL IGSW CCHG SPD CANL CANH LGND ORG/ WIRE PAD SWITCH PADDLE SHIFT SWITCH PNK SFTD WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT PADDLE SHIFT SWITCH SFTU CCS SHIFT SWITCH LEFT PADDLE SPIRAL CABLE SUB- ASSEMBLY (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY STOP LAMP SWITCH (LEFT SIDE OF DASH) VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

+BM 2.5L BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND DOME +B ECU-IG LH FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 MPX-B (RIGHT FUSE REAR OF ENGINE COMPT) INPUT CIRCUIT LEFT COWL SIDE J/B LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX NCA WIRE ORG/ WIRE PNK WIRE POWER SUPPLY RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) SPEEDOMETER THROTTLE W/ MOTOR BODY ASSEMBLY (REAR OF ENGINE) TRANSMISSION CONTROL SWITCH (BELOW CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

AB (LEFT REAR OF ENGINE COMPT) AC (LEFT REAR OF ENGINE COMPT) AE (RIGHT REAR OF ENGINE COMPT) AG (RIGHT END OF DASH) ASSEMBLY BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BRAKE ACTUATOR ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) COOLER COMPRESSOR ASSEMBLY FAN STRG HTR EFI MAIN RELAY RELAY RELAY 2 FRONT WINDOW DEICER (WINDSHIELD GLASS) GROUND J/C 1 HEADLIGHT CLEANER CONTROL RELAY HEADLIGHT LEVELING ECU ASSEMBLY HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) J/C 2 (LEFT SIDE OF ENGINE COMPT) J/C 3 (RIGHT END OF DASH) LEFT CLEARANCE LIGHT ASSEMBLY LEFT FRONT ABSORBER CONTROL ACTUATOR LEFT HEADLIGHT ASSEMBLY LEVEL WARNING SWITCH ASSEMBLY MIR HTR RELAY ST RELAY POWER STEERING ECU ASSEMBLY RELAY RIGHT CLEARANCE LIGHT ASSEMBLY RIGHT FRONT ABSORBER CONTROL ACTUATOR STOP KICK LIGHT DOWN SWITCH SWITCH ASSEMBLY ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WIRING HARNESS WIRELESS CONDENSER DOOR LOCK ASSEMBLY 1 BUZZER

14 11 TRLY 14 13 CANH CANL 20 19 21 CLTS CLTB CLTE 22 8 12 TAIL 32 31 30 IG BECU 4 1 2 CLTS CLTB CLTE ACAN AUTO DRL OFF OFF TAIL HEAD AUTOMATIC LIGHT CONTROL SENSOR (RIGHT SIDE OF DASH, AT BASE OF WINDSHIELD) BLK WIRE BLU WIRE CANADA COMPUTER DATA LINES SYSTEM CONTROL DOME LIGHT SWITCH ECU-ACC FUSE ECU-B FUSE ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GLOVE BOX LIGHT GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES ILLB INSTRUMENT PANEL J/B (LEFT END OF DASH) J/B LH-AM FUSE KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) LIGHT CONTROL SWITCH LILL LT GRN WIRE MAIN BODY ECU (IN INSTRUMENT PANEL J/B) MAP LIGHT ASSEMBLY MAP LIGHT SWITCH ORG/ WIRE PANEL FUSE PNK WIRE RED WIRE RELAY RELAY ENERGIZED RILL RLMP SLIDING ROOF SOLAR SENSOR SPOT LIGHT ASSEMBLY SWITCH TAIL AUTO OFF DRL OFF HEAD TAIL RELAY USA WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/ GRN WIRE BLU WIRE BUCKLE SWITCH HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT SEAT INNER BELT ASSEMBLY (IN DRIVER'S SEAT BELT BUCKLE ASSEMBLY) LH-IG FUSE ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RELAY RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) W/ OCCUPANT CLASSIFICATION SYSTEM W/O OCCUPANT CLASSIFICATION SYSTEM WHT/BLK WIRE YEL WIRE

13 14 CANL CANH 29 30 CANH CANL BLK WIRE BLU WIRE BRN WIRE CAN I/F CLEARANCE WARNING BUZZER 1 (LEFT SIDE OF DASH) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) DISPLAY DRIVER ECM (LEFT FRONT OF ENGINE COMPT) ECU-ACC FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LED DRIVER LEFT REAR CENTER ULTRASONIC SENSOR 1 (LEFT CENTER OF REAR BUMPER) LT GRN WIRE METER FUSE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) RED WIRE RELAY RELAY ENERGIZED RIGHT FRONT ULTRASONIC SENSOR 1 (BEHIND RIGHT CORNER OF FRONT BUMPER) TELLTALES VIO WIRE

14 15 16 17 18 19 20 21 PNK WIRE ACIS BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) ECU-ACC FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN 1 FUSE INSTRUMENT PANEL J/B (LEFT END OF DASH) JUNCTION CONNECTOR 1 KA (LEFT KICK PANEL) LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PNK 14 15 16 17 18 19 20 21 22 23 24 WIRE PNK WIRE RED WIRE RELAY SHIFT POSITION INDICATOR SKSW STARTING/ CHARGING SYSTEM STI STP+ VIO WIRE VSV (ACIS) (LEFT SIDE OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE