Lexus IS III (2013-2016) hot at all times Wiring diagrams

A/C FUSE BLK WIRE BLLH BLRH BRN WIRE CTB ECU-IG LH FUSE FR S/ HTR LH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE LH J/B-AM FUSE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT SEAT BACK CLIMATE CONTROL BLOWER (DRIVER'S SEAT BACK) LEFT SEAT CUSHION CLIMATE CONTROL BLOWER (DRIVER'S SEAT CUSHION) LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LT BLU WIRE LT GRN WIRE ORG/ WIRE PANEL FUSE PNK WIRE RED WIRE RELAY RV ILL- 2 3 PNK WIRE SEAT BACK) SEAT CUSHION) SEAT HEATER CONTROL SEAT HEATER SWITCH SIGN SVSG SWL TAIL RELAY THERMISTOR THL 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

+BM 21 13 14 15 TC CANL CANH CCS 29 20 23 28 21 22 1 VPA EPA VCPA BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) EFI FUSE EFI MAIN RELAY ENGINE ROOM ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED HOT W/ RH-IG 1 RELAY ENERGIZED IGN FUSE JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) LT GRN WIRE M- M+ ETA NCA WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SFTD SFTU STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE THROTTLE BODY ASSEMBLY (TOP OF ENGINE) VCTA VTA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

31 22 2 STPO BACKUP BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) BRK-LP RELAY BRN WIRE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES HOT IN ON OR START IND LAMP LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LH J/B-AM FUSE LH-IG FUSE PNK OUT WIRE PNK WIRE POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE) STOP IND STOP LAMP CONTROL RELAY (LEFT SIDE OF DASH) STOP LAMP SWITCH (LEFT SIDE OF DASH) STOP SW FUSE STOP/ MARKER IND STOP/TAIL TAIL FUSE TAIL IND TAIL RELAY TURN WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

14 15 PNK WIRE 22 23 24 PNK WIRE ACCELERATOR POSITION SENSOR (ACCELERATOR PEDAL ASSEMBLY) (LEFT SIDE OF DASH) ACCR STA MREL FC FPR AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CTSW EFI 2 RELAY EFI FUSE EFI MAIN RELAY EFII EFIO ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FAN TACH GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES ID CODE BOX (CENTER OF DASH) IREL ACMG VPMP LGND LT BLU WIRE LT GRN WIRE NCA WIRE OXYGEN SENSOR (BANK 1 SENSOR 2) (RIGHT SIDE EXHAUST SYSTEM) OXYGEN SENSOR (BANK 2 SENSOR 2) (LEFT SIDE EXHAUST SYSTEM) PNK SFTD WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) RED WIRE RED/ VIO WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SFTU CCS SKSW SPD KSW STARTING/CHARGING SYSTEM STSW STSW CCHG PPMP VCPP EPPM CANL CANH TAM ETAM TC STP MPMP IMI IMO VIO WIRE VIO/RED WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

14 15 PNK WIRE 18 19 20 PNK WIRE 21 22 23 24 PNK WIRE 22 23 24 PNK WIRE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CANISTER PRESSURE SENSOR ETCS FUSE EFI 2 FUSE F/PMP RELAY FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED INSTRUMENT CLUSTER (UNDER SYSTEM DRIVER SEAT) LEAK DETECTION PUMP CANISTER PUMP MODULE (CENTER REAR OF VEHICLE) LT BLU WIRE LT GRN WIRE NCA WIRE PNK WIRE RED/BLK WIRE RED/BLU WIRE STOP LAMP SWITCH (LEFT SIDE OF DASH) VENT VALVE VIO WIRE VVL+ VVR+ VVT SENSOR (BANK 1 INTAKE SIDE) (RIGHT FRONT OF ENGINE) VVT SENSOR (BANK 2 INTAKE SIDE) (FRONT OF LEFT CYLINDER HEAD) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

+BM 18 19 20 PNK WIRE 21 22 23 24 PNK WIRE AIR CONDITIONING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAMSHAFT TIMING OIL CONTROL VALVE (BANK 1 EXHAUST) (RIGHT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (BANK 1 INTAKE) (RIGHT CYLINDER HEAD) CRANK POSITION SENSOR (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED IGN FUSE LCKI LT BLU WIRE LT GRN WIRE NCA WIRE NE+ ORG/ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SFTD SFTU STOP SW FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOME FUSE ECT PWR IND ECT SNOW IND ENGINE OIL LEVEL SENSOR (BOTTOM OF ENGINE) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) IND MALFUNCTION INPUT INPUT CIRCUIT CIRCUIT LAMP LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MICRO COMPUTER (SUB) MPX- EFI MPX+ MPX-B FUSE MULTI-INFORMATION DISPLAY NCA WIRE ORG/ WIRE PATTERN SELECT SWITCH ASSEMBLY 1 PNK WIRE PNK/BLU WIRE POWER SUPPLY CIRCUIT PWR RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU (RIGHT END OF DASH) SNOW SPEEDOMETER TACHOMETER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/F FUSE A/F RELAY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES IGNITION COIL 1 (TOP RIGHT OF ENGINE) IGNITION COIL 2 (LEFT TOP OF ENGINE) IGNITION COIL 3 (TOP RIGHT OF ENGINE) IGNITION COIL 4 (LEFT TOP OF ENGINE) IGNITION COIL 5 (TOP RIGHT OF ENGINE) IGNITION COIL 6 (LEFT TOP OF ENGINE) INJ FUSE INJ RELAY NCA WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE