Lexus IS III (2013-2016) red Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 SHIELD CSLD CDR+ CDR- CDL+ CDL- MUTE GND 10 11 12 SHIELD ANTENNA ARI ASGN ALI AGND AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES ATX- SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER TX+ TX- IVO+ IVO- SLDI DATA LINES SYSTEM FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED ILL INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ILL + LT BLU WIRE LT GRN WIRE MIC+ MACC MIC- SGND SHIELD MULTIMEDIA INTERFACE ECU (LOWER RIGHT SIDE OF DASH) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK INSTRUMENT CLUSTER SPD SYSTEM WIRE R- L- GND RAD 3 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SDARS ANTENNA SHIELD SHIELD SHIELD SWG TXM- TXM+ UDI- UESG ULO+ UPO URO+ VIO WIRE W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK WIRE

10 11 12 SHIELD AGND ALO AMPLIFIER MICROPHONE ASSEMBLY ARO ASGN AUXO BLK WIRE BLU WIRE GRN WIRE GRY WIRE LT BLU WIRE MAP LIGHT ASSEMBLY MCI- MCO- MCVD MUTE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE SGND SHIELD SPI+ SPO- STEREO JACK ADAPTER ASSEMBLY 1 UDO+ UJSG UPI VIO WIRE W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MUTE L- L+ R- R+ 1 2 3 4 5 6 7 8 9 10 FL+ FR+ BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (RIGHT REAR FL+ FR+ GRN WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2, 3 (FRONT SPEAKER ASSEMBLY 3) LEFT REAR SPEAKER ASSEMBLY LEFT STEERING PAD SWITCH LT BLU WIRE MICRO COMPUTER MODE MSSL OF ENGINE COMPT) OFF HOOK DISP ON HOOK DISP ORG/ WIRE PNK TMUT WIRE PNK WIRE RAD 2 FUSE RED WIRE RED/BLU WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT FRONT SPEAKER ASSEMBLY 2, 3 (FRONT SPEAKER ASSEMBLY 3) RIGHT REAR SPEAKER ASSEMBLY RIGHT STEERING PAD SWITCH SEEK SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER (RIGHT SIDE OF TRUNK) TX- TX+ VIO WIRE VOICE VOL (-) W/ SAFETY CONNECT W/O SAFETY CONNECT WFL+ RL+ RR+ PNK PNK WIRE WFL- WFR- WFR+ RL- RR- PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 PNK WIRE A/F EFI 2 FUSE FUSE A/F RELAY AE (RIGHT REAR OF ENGINE COMPT) ANTI-THEFT SYSTEM B+ PNK WIRE BATT IGSW BLK WIRE BLK/RED WIRE BLU WIRE CANL CANH CCS COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM 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) FA (LEFT REAR OF ENGINE) GRN WIRE GROUND J/C 1 (LEFT REAR OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES KA (LEFT KICK PANEL) KICK DOWN SWITCH ASSEMBLY LT GRN WIRE MREL IREL FPC NEO PNK WIRE NSW IMO IMI ORG/ WIRE PNK 13 14 WIRE PNK 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 WIRE PNK 7 8 9 WIRE PNK PNK WIRE PNK WIRE RED WIRE RFC EPA SHIFT POSITION INDICATOR SPCN SR SFTD SFTU CAN- CAN+ PNK WIRE STA TC SNWI PWR STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STP KD TACH SPSW TRANSMISSIONS SYSTEM VCPA SPD KSW PNK PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 PNK WIRE A/C AMPLIFIER (CENTER OF DASH) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECO ECOS EFI MAIN 2 RELAY ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FUEL PMP FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INJ FUSE INJ RELAY KA (LEFT KICK PANEL) LT GRN WIRE NORMAL OFF VSC ORG/ WIRE PNK 18 19 20 21 22 23 24 25 26 WIRE PNK 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 WIRE PNK 28 29 30 31 32 33 34 35 36 WIRE PNK 7 8 9 WIRE PNK PNK WIRE PNK WIRE RED WIRE SNOW SPORT VIO WIRE W/O ADAPTIVE VARIABLE SUSPENSION WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 PNK WIRE 28 29 PNK WIRE AB (LEFT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT SIDE OF DASH) ENGINE ROOM J/B 1 FA (LEFT REAR OF ENGINE) FP- FPC GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE P/I-B FUSE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PNK 18 19 20 21 22 23 24 25 26 WIRE PNK 28 29 30 31 32 33 34 35 36 WIRE PNK 7 8 9 WIRE PNK WIRE QB (LEFT SIDE OF TRUNK) RED WIRE SEMICONDUCTOR POWER INTEGRATION ECU SFTD SFTU SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE) SKSW STARTING/ CHARGING SYSTEM STP+ TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

28 29 PNK WIRE AE (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE ENERGIZED INSTRUMENT PANEL J/B (LEFT END OF DASH) FA (LEFT REAR OF ENGINE) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM ETCS FUSE R/B 2 (LEFT SIDE OF ENGINE COMPT) HOT W/ IGN 1 FUSE IGN 2 FUSE J/C 5 (LEFT SIDE OF ENGINE COMPT) LEFT PADDLE SHIFT SWITCH LT GRN WIRE ORG/ WIRE PNK 13 14 15 16 17 WIRE PNK 3 4 WIRE PNK RIGHT STEERING PAD PNK SWITCH WIRE PNK WIRE RED WIRE RIGHT PADDLE SHIFT SWITCH SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY STOP FUSE SWITCH WIRE 1 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BM 12 13 14 15 PNK WIRE BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CANISTER PRESSURE SENSOR ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/ LT 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 13 14 15 16 17 WIRE PNK 3 4 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

12 13 14 15 PNK WIRE BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) DRIVER DISPLAY E.F.I. ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) ECU-ACC FUSE ENGINE OIL LEVEL SENSOR (BOTTOM RIGHT OF ENGINE) ENGINE OIL PRESSURE SWITCH (FRONT OF ENGINE) FB (RIGHT REAR OF ENGINE COMPT) FUEL PRESSURE SENSOR (REAR OF ENGINE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 5 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LED DRIVER LOIL LT GRN WIRE OILW PNK 11 12 WIRE PNK WIRE RED WIRE RELAY RELAY ENERGIZED SHIELD SHIELD 27 28 SPEAKER TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (TRANSMISSION WIRE) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) EX+ GRN WIRE GRY WIRE INSTRUMENT PANEL J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE METER FUSE OIL ORG/ WIRE P INJ FUSE PNK 11 12 WIRE PNK WIRE RED WIRE RELAY ENERGIZED SHIELD SHIELD 21 22 23 SHIELD 27 28 SLT- SLU+ VIO WIRE WHT WIRE YEL WIRE