Lexus IS III (2013-2016) relay Wiring diagrams

+ECU 2 3 PNK WIRE BLK WIRE BLU WIRE BRN WIRE DIODE (A/T SHIFT) (BEHIND LEFT SIDE OF DASH) FA (TOP REAR OF ENGINE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG+ PNK WIRE ILL ILL INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) J/C 5 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) LEFT PADDLE LT GRN WIRE ORG/ WIRE PAD SWITCH PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT STEERING SDN SFTD PNK WIRE SFTU SHIFT POSITION INDICATOR SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SPRIAL CABLE W/ SUB-ASSEMBLY (UNDER STEERING WHEEL) ECC STARTING/ CHARGING SYSTEM STEERING PAD SWITCH ASSEMBLY SUP SWITCH WIRE 1 TRANSMISSION CONTROL SWITCH (BASE OF SELECTOR LEVER) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

14 13 CANH CANL ALT FUSE BATTERY BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CHARGE INDICATOR COMBINATION METER ASSEMBLY +IG COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GENERATOR ASSEMBLY IG GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ALT-S FUSE ENGINE COMPT) HOT AT ALL TIMES ENGINE ROOM R/B 1 DOME FUSE (RIGHT REAR OF ENGINE COMPT) INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU ORG/ WIRE PNK ALT WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT END OF DASH) STARTER ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE CENTER AIR BAG SENSOR ASSEMBLY CIGARETTE LIGHTER ASSEMBLY COMBINATION METER COOLING UNIT MOTOR SUB-ASSEMBLY W/ FAN ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE SWITCH FROM ID CODE BOX JUNCTION LEFT VANITY LIGHT ASSEMBLY LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY LUGGAGE DOOR OPENING SWITCH ASSEMBLY MAP LIGHT ASSEMBLY NCA WIRE NOISE FILTER POWER SOURCE CONTROL ECU POWER STEERING ECU POWER TILT MOTOR (STEERING COLUMN ASSEMBLY) PWR POINT RELAY RELAY RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RIGHT VANITY LIGHT ASSEMBLY STARTER RELAY STEERING LOCK ACTUATOR WHT WIRE WHT/BLK WIRE

A/C AMPLIFIER BLK WIRE BLK/ WHT WIRE CENTER AIR BAG SENSOR ASSEMBLY CLOCK ASSEMBLY COMBINATION METER CONSOLE BOX ILLUMINATION LIGHT ASSEMBLY DATA LINK CONNECTOR (DLC) 3 DCM (TELEMATICS TRANSCEIVER) FROM RIGHT COWL SIDE J/B (DIAGRAM 3 OF 6) FRONT WIPER DEICER SWITCH GLOVE BOX LIGHT ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END LEFT MAIN BODY ECU LEFT ROOF CLOSE SWITCH (LEFT REMOVABLE ROOF AUXILIARY CATCH ASSEMBLY) MULTIPLEX TILT, TELESCOPIC ECU NETWORK GATEWAY ECU OF DASH) PATTERN SELECT SWITCH ASSEMBLY 1 RELAY SATELLITE SWITCH SET SEAT HEATER SWITCH SHIFT LOCK CONTROL ECU STEERING LOCK ACTUATOR STEERING SENSOR STOP LAMP CONTROL RELAY TIRE PRESSURE WARNING ECU TURN SIGNAL FLASHER VSC OFF SWITCH W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR

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

13 14 CANL CANH COMPUTER DATA LINES SYSTEM 34 24 7 PNK WIRE 6 18 17 MPX+ MPX- COMPUTER DATA LINES SYSTEM 7 6 5 SET LSEL RSEL BKUP BLK WIRE BLU/RED WIRE BRN WIRE CLEARANCE SONAR IND CLEARANCE WARNING BUZZER 1 (UNDER CENTER OF DASH) CLEARANCE WARNING ECU (LEFT SIDE OF TRUNK) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B ENGINE CONTROL MODULE (ECM) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IG CBZ INPUT CIRCUIT LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT ULTRASONIC SENSOR 1 (LEFT FRONT OF VEHICLE) LEFT MAIN BODY ECU LEFT REAR ULTRASONIC SENSOR 1 (LEFT CORNER OF REAR BUMPER) LEFT REAR ULTRASONIC SENSOR 2 (LEFT SIDE OF REAR BUMPER) LH-IG FUSE MICRO COMPUTER ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PKB IG ECU-IG RH FUSE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT ULTRASONIC SENSOR 1 (RIGHT FRONT OF VEHICLE) RIGHT MAIN BODY ECU RIGHT REAR ULTRASONIC SENSOR 1 (RIGHT CORNER OF REAR BUMPER) RIGHT REAR ULTRASONIC SENSOR 2 (RIGHT SIDE OF REAR BUMPER) SATELLITE SWITCH SET TRANSMISSION ASSEMBLY VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 6 MPX+ 13 14 COMPUTER DATA LINES SYSTEM CANL CANH 2 57 56 39 19 18 40 CANL REV SPD CA+ V- V+ CGND 3 2 1 4 CGND CV+ CV- CB+ 34 19 PNK PNK WIRE 5 17 PNK +S SI WIRE 55 1 PKB CANH ASSEMBLY BACK BLK WIRE BLU WIRE BLU/RED WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANH CANL DCM TELEMATICS TRANSCEIVER (RIGHT SIDE OF DASH) ECU-IG RH FUSE ENGINE CONTROL MODULE (ECM) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IG BKUP LH-IG FUSE INPUT CIRCUIT LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LT BLU WIRE MICRO COMPUTER MPX MULTI-MEDIA MODULE RECEIVER NCA WIRE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PNK SPDP WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU STEREO COMPONENT AMPLIFIER (RIGHT REAR OF TRUNK) TELEVISION CAMERA ASSEMBLY (REAR OF TRUNK LID) TRANSMISSION ASSEMBLY VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

27 25 2 STSW KSW STAR ACCR BATTERY BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE SWITCH LT BLU WIRE LT GRN WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) SKSW STSW CTSW ST CUT RELAY STARTER ASSEMBLY STARTER FUSE STARTER RELAY TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

-SR -SL +SR +SL AIR BAG SENSOR SEAT POSITION BBL+ BBL- BBL+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DCM TELEMATICS TRANSCEIVER (RIGHT SIDE OF DASH) DK DK ECU-IG RH FUSE GRN WIRE GRY WIRE GSW HOT AT ALL TIMES IGN FUSE GAUGE FUSE LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (LEFT ROOF RAIL) LEFT FRONT PRETENSIONER (BASE OF LEFT "B" PILLAR) LEFT FRONT SEAT INNER BELT ASSEMBLY (IN DRIVER'S SEAT BELT BUCKLE ASSEMBLY) LEFT FRONT SIDE AIR BAG SENSOR (LEFT "B" PILLAR) LEFT FRONT SIDE AIR BAG SQUIB (LEFT SIDE OF DRIVER'S SEAT BACK) LEFT REAR AIR BAG SENSOR (LEFT "C" PILLAR) BCL- BCL+ LEFT REAR PRETENSIONER (LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE ORG/ WIRE P- P+ D+ D- PNK 1 2 3 4 5 6 7 8 9 WIRE PNK COMPUTER DATA LINES SYSTEM CAN L PAON WIRE PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END END DASH) RIGHT MAIN BODY ECU SIL P-AB GSW PK+ PK- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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