Lexus IS III (2013-2016) Wiring diagram engine performance 2.5l

14 15 PNK WIRE A/C AMPLIFIER (CENTER KA OF DASH) (LEFT KICK PANEL) A/F EFI 2 FUSE FUSE A/F RELAY ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) ANTI-LOCK BRAKES SYSTEM BATT IGSW BLK WIRE BLK/RED WIRE BLU WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ECO ECOS EFI MAIN FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FP- FPC GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE MREL IREL FPC NEO PNK WIRE NORM NORMAL ORG/ WIRE PNK WIRE PWR QB (LEFT SIDE OF TRUNK) RED WIRE RFC EPA SNOW SNSW SPORT TACH VCPA SPD KSW PNK PNK WIRE VSC OFF WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 PNK WIRE 14 15 PNK WIRE 20 21 22 23 PNK WIRE ACCELERATOR POSITION SENSOR (ACCELERATOR PEDAL ASSEMBLY) (LEFT SIDE OF DASH) ACCR STA MREL FC FPR AIR CONDITIONING SYSTEM COOLING FANS 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 C/OPN RELAY COMPUTER DATA LINES 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) IGSW TAM STSW CCHG IREL LGND 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) PPMP RED WIRE RED/ VIO WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SFTU CCS SKSW SPD KSW CANL CANH STARTING/CHARGING SYSTEM STSW TC STP MPMP IMI IMO VIO WIRE VIO/RED WIRE VPA EPA VCPA VPMP ACMG 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 AB (LEFT REAR OF ENGINE COMPT) ACIS ANTI-THEFT SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM EFI MAIN 2 RELAY ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1 ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FA (LEFT REAR OF ENGINE) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE FUEL ROOM PMP R/B 1 FUSE (RIGHT REAR OF ENGINE COMPT) IMI IMO INJ FUSE INJ RELAY LT GRN WIRE P/I-B FUSE PNK 14 15 16 17 18 19 20 21 22 23 24 WIRE PNK WIRE PWR RED WIRE SFTD SFTU SNWI SPCN STARTING/ CHARGING STARTING/ CHARGING SYSTEM SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 15 16 17 18 PNK WIRE 13 14 PNK WIRE 19 20 PNK WIRE 20 21 22 23 PNK WIRE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CANISTER PRESSURE SENSOR F/PMP RELAY ETCS FUSE EFI 2 FUSE FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM (UNDER 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 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/GRN WIRE WHT/RED WIRE YEL 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

+BM 13 14 15 16 17 18 PNK WIRE 19 20 PNK WIRE AIR CONDITIONING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT 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 GRY WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED IGN FUSE LCKI LT GRN WIRE NCA WIRE NE+ ORG/ WIRE PNK WIRE RED WIRE RED/BLU 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 WHT/GRN WIRE WHT/RED WIRE YEL WIRE

12 13 14 15 16 PNK WIRE 14 15 16 17 18 19 20 21 PNK WIRE AE (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE FA (LEFT REAR OF ENGINE) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN 2 FUSE INSTRUMENT PANEL J/B (LEFT END OF DASH) JUNCTION CONNECTOR 5 (LEFT SIDE OF ENGINE COMPT) LEFT PADDLE SHIFT SWITCH LT GRN WIRE ORG/ WIRE PNK 3 4 5 WIRE PNK RIGHT STEERING PAD PNK SWITCH WIRE PNK WIRE RED WIRE RIGHT PADDLE SHIFT SWITCH SDN CABLE W/ SENSOR SUB-ASSEMBLY (UNDER STEERING WHEEL) SFTD SFTU SPIRAL STEERING PAD SWITCH ASSEMBLY STOP FUSE SUP SWITCH WIRE 1 TRANSMISSION CONTROL SWITCH (BASE OF SHIFT LEVER) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLU 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 GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) INPUT CIRCUIT LAMP IND MALFUNCTION 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 10 11 WIRE PNK WIRE POWER SUPPLY CIRCUIT PWR RED WIRE RED/ WHT WIRE RED/BLU WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU (RIGHT END OF DASH) SNOW SPEEDOMETER TACHOMETER WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

+BM 12 13 14 15 16 PNK WIRE BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CANISTER PRESSURE SENSOR ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FA (LEFT REAR OF ENGINE) GRN WIRE GRY WIRE INTAKE MASS AIR FLOW METER SUB-ASSEMBLY (RIGHT SIDE OF ENGINE COMPT) LEAK DETECTION PUMP LT GRN WIRE MGND MPMP MTRB NE+ PNK 11 12 WIRE PNK 3 4 5 WIRE PNK WIRE PPMP RED WIRE SGND SHIELD THA VCC VENT VALVE VGND VIO WIRE VLVB VOUT VPMP VSV (PURGE) (RIGHT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE

A/F FUSE A/F RELAY BLK WIRE BLK/RED WIRE BLU 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 GRY 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 LT GRN WIRE NCA WIRE PNK WIRE RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER DISPLAY E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) ENGINE OIL LEVEL SENSOR (BOTTOM RIGHT OF ENGINE) ENGINE OIL PRESSURE SWITCH (FRONT OF ENGINE) EX+ FB (RIGHT REAR OF ENGINE COMPT) FUEL PRESSURE SENSOR (REAR OF ENGINE) GRN WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR 5 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LED DRIVER I/F LOIL LT GRN WIRE OILW PNK 11 12 WIRE PNK WIRE RED WIRE SHIELD SHIELD 26 27 SPEAKER TELLTALES VCX VIO WIRE VSX WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 PNK WIRE AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) (RIGHT REAR OF ENGINE) AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) (LEFT REAR OF ENGINE) BLK WIRE BLU WIRE BRN WIRE FP- FPD + FUEL PRESSURE SENSOR (REAR OF ENGINE) GRN WIRE GRY WIRE INJF KNOCK CONTROL SENSOR (BANK 1) (TOP RIGHT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2) (TOP LEFT SIDE OF ENGINE) LT GRN WIRE NCA WIRE PNK WIRE RED WIRE SWIRL CONTROL VALVE ACTUATOR (INTAKE MANIFOLD) (REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

10 11 SHIELD 21 22 23 24 SHIELD BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (LEFT SIDE OF TRANSMISSION) EX+ GRN WIRE GRY WIRE HOT W/ INSTRUMENT PANEL J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE METER FUSE OIL ORG/ WIRE RED WIRE SHIELD SHIELD 26 27 SLT- SLU+ VIO WIRE WHT WIRE YEL WIRE

1 2 3 PNK WIRE 4 5 6 PNK WIRE BLK WIRE BLU WIRE BRN WIRE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EX+ FPD + GRN WIRE GRY WIRE INJF LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE PNK WIRE RED WIRE RELAY ENERGIZED SWIRL CONTROL VALVE SENSOR (INTAKE MANIFOLD) (REAR OF ENGINE) VCX VIO WIRE VSX VVT SENSOR (BANK 2 EXHAUST SIDE) (LEFT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE

10 11 SHIELD 21 22 23 24 SHIELD BLK WIRE BLU WIRE BRN WIRE FA (LEFT REAR OF ENGINE) FP- FPD + GRN WIRE GRY WIRE INSTRUMENT PANEL J/B (LEFT END OF DASH) JUNCTION CONNECTOR 4 (LEFT SIDE OF ENGINE COMPT) KNOCK CONTROL SENSOR (BANK 1) (TOP RIGHT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2) LT GRN WIRE PNK 1 2 3 4 5 6 7 8 9 WIRE PNK 11 12 13 14 15 16 WIRE PNK WIRE RED WIRE SHIELD SHIELD SHIELD TRANSMISSION REVOLUTION SENSOR (TURBINE) (FRONT OF TRANSMISSION) VIO WIRE WHT WIRE YEL WIRE

4 5 6 PNK WIRE 60 40 20 PNK WIRE ACIS BLK WIRE BLU WIRE BRN WIRE EKNK ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON LEFT SIDE OF TRANSMISSION) ENGINE CONTROL MODULE ENGINE OIL PRESSURE EOIL OIL EX+ GRN WIRE GRY WIRE LT BLU WIRE LT GRN WIRE NT- NT+ OIL ORG/ WIRE PNK ALT WIRE PNK STARTING/ CHARGING SYSTEM WIRE PNK WIRE RED WIRE SLT- SLT- SLT+ SLU+ SLU- SLU+ MOL STAR MOPS SWITCH (LOWER FRONT OF ENGINE) THA TRANSMISSION REVOLUTION SENSOR TRANSMISSION REVOLUTION SENSOR (TURBINE) (RIGHT FRONT OF TRANSMISSION) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE EKNK ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FB (RIGHT REAR OF ENGINE COMPT) FUEL INJECTOR 1 (FOR DIRECT INJECTION) FUEL INJECTOR 2 (FOR DIRECT INJECTION) FUEL INJECTOR 3 (FOR DIRECT INJECTION) FUEL INJECTOR 4 (FOR DIRECT INJECTION) FUEL INJECTOR 5 (FOR DIRECT INJECTION) FUEL INJECTOR 6 (FOR DIRECT INJECTION) GRN WIRE GRY WIRE LT GRN WIRE NT- PNK 1 2 3 4 5 6 7 8 9 WIRE PNK 11 12 13 14 15 16 WIRE PNK WIRE RED WIRE SHIELD SHIELD SHIELD THROTTLE BODY W/ MOTOR ASSEMBLY (RIGHT REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ALT BLK WIRE BLU WIRE BRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FA (LEFT REAR OF ENGINE) GRN WIRE GRY WIRE JUNCTION CONNECTOR 5 (LEFT SIDE OF ENGINE COMPT) LT GRN WIRE PNK WIRE RED WIRE SHIELD SHIELD SHIELD STARTING/ CHARGING SYSTEM VIO WIRE VVL+ VVR+ WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FA (LEFT REAR OF ENGINE) FB (RIGHT REAR OF ENGINE COMP) FB (RIGHT REAR OF ENGINE COMPT) FPD + FUSE GRN WIRE GRY WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 JUNCTION CONNECTOR 5 (LEFT SIDE OF ENGINE COMPT) LT GRN WIRE PNK WIRE RED WIRE RELAY ENERGIZED SLU- SLU+ SLT- SLT+ STJ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE