Lexus HS I (2009-2012) ecu-ig 2 fuse Wiring diagrams

A/C 2 FUSE A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) A/C BLOWER ASSEMBLY (LOWER CENTER OF DASH) A/C EVAPORATOR TEMPERATURE SENSOR BLOWER MOTOR CONTROL BLU WIRE BLWH BUS G BUS B BUS SGA TEA COLOR (RED) WIRE CONNECTOR HOUSING CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) DAMPER SERVO MOTOR (FRESH/RECIRCULATION) DAMPER SERVO MOTOR (LEFT AIR MIX) DAMPER SERVO MOTOR (MODE CONTROL) DAMPER SERVO MOTOR (RIGHT AIR MIX) ECU-IG 2 FUSE GRN WIRE HOT ALL ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE PLSM PRE RA/C REAR COOLER SWITCH RED WIRE RELAY ENERGIZED RLIN SWE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 CANH CANL A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) A/C PRESSURE SENSOR COMPUTER (RIGHT REAR OF DATA LINES ENGINE COMPT) SYSTEM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES COOLING FAN ECU (FRONT OF ENGINE COMPT) COOLING FAN MOTOR 1 (FRONT CENTER OF ENGINE COMPT) COOLING FAN MOTOR 2 (FRONT CENTER OF ENGINE COMPT) E.F.I ENGINE COOLANT TEMPERATURE SENSOR (REAR OF CYLINDER HEAD) ECU-IG 2 FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FAN RELAY HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE M+(M) M+(S) M- M+ M-(S) PNK WIRE PRE RDI FUSE RED WIRE RELAY ENERGIZED SG-2 SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACCELERATOR PEDAL SENSOR ASSEMBLY (UPPER LEFT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (RIGHT SIDE OF DASH) ECU-B FUSE ECU-IG 2 FUSE ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (LEFT SIDE OF GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT STOP FUSE PANEL J/B (LEFT SIDE OF DASH) HOT W/ HOT W/ IG 1 RELAY ENERGIZED HTP GND IGB IGCT FUSE IGCT RELAY J/C LGND LT BLU WIRE LT GRN WIRE MET FUSE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (FRONT OF ENGINE COMPT) NAVIGATION SYSTEM PNK SPSW WIRE PNK WIRE RED WIRE SGND STOP LIGHT SWITCH ASSEMBLY (ABOVE BRAKE PEDAL, ON BRACKET) THROTTLE BODY ASSEMBLY W/ MOTOR VIO WIRE WASH WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM WNKR WNKL YEL WIRE

1 2 3 4 5 6 HDLO BLK WIRE BLU WIRE BRN WIRE ECU-B FUSE ECU-IG 2 FUSE FRONT WASHER SWITCH FRWA PB GRY WIRE HDLO HEAD HEADLAMP DIMMER SWITCH ASSEMBLY HEADLIGHT CLEANER CONTROL RELAY (UNDER RIGHT HEADLIGHT) HEADLIGHT CLEANER MOTOR, PUMP (RIGHT FRONT ASSEMBLY OF ENGINE COMPT) HEADLIGHT CLEANER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B H-LP CLN FUSE (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INTEGRATION RELAY ENGINE ROOM J/B (LEFT SIDE OF J/C ENGINE COMPT) J/C LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU OFF PNK WIRE RED WIRE TAIL PNK HEAD AUTO WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IG PNK WIRE BLU WIRE BRN WIRE CLOCK CLOCK ASSEMBLY (W/ NAVIGATION) COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) (CENTER OF DASH) DISPLAY, NAVIGATION MODULE DISPLAY ECU- IG 1 FUSE ECU-ACC FUSE ECU-IG 2 FUSE ENGINE HOOD COURTESY SWITCH ASSEMBLY ES TX- GRN WIRE GRY WIRE HEAD UP DISPLAY SWITCH ASSEMBLY HOT IN ON OR ACC HOT IN ON OR START HUD SWITCH HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LCTY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MET FUSE METER MIRROR SUB-ASSEMBLY (IF EQUIPPED) MULTI-DISPLAY (W/O NAVIGATION) NAVI NAVI SWITCH NCA WIRE PARKING BRAKE SWITCH ASSEMBLY (PARKING BRAKE ASSEMBLY) PNK 1 2 3 4 5 WIRE PNK A/C+ A/CB DSE WIRE PNK PNK 45 76 WIRE PNK WIRE RAD 2 FUSE RADIO RECEIVER DISPLAY MODULE RCTY RED WIRE RIGHT FRONT DOOR COURTESY SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY SWITCH ASSEMBLY SPD GPS ANTENNA POWER MANAGEMENT CONTROL ECU (RIGHT SIDE OF DASH) SPDI SPDP STEREO COMPONENT AMPLIFIER ASSEMBLY (BELOW RIGHT FRONT SEAT) SWG VIO WIRE W/O NAVIGATION W/ NAVIGATION WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER RELAY ASSEMBLY (CENTER OF DASH) YEL WIRE

24 30 40 18 6 HITP BLK WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DISTANCE CONTROL DRIVING SUPPORT ECU ASSEMBLY (RIGHT SIDE OF DASH) ECU-IG 2 FUSE GND HITP GRN WIRE GRY WIRE HOT IN ON OR START IGB INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LKA LKA IND MET FUSE PNK SPSW WIRE RED WIRE SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK 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 25 26 27 28 +B 10 21 22 NTSF 15 16 PNK WIRE 21 22 CANH CANL 5 4 PNK WIRE 9 10 PNK WIRE BCB+ BCV- BCV- BCV+ SGND BCB+ BGND BLK WIRE BLU WIRE BRN WIRE CANL CANH BLSW TX- TX+ CB+ CGND COMPUTER DATA LINES SYSTEM CV+ CV- CV+ CGND CB+ DISPLAY, NAVIGATION MODULE DISPLAY ECU-ACC FUSE ECU-IG 2 FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FRONT TELEVISION CAMERA ASSEMBLY (BEHIND FRONT BUMPER) GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE MULTI-DISPLAY NCA WIRE PARKING ASSIST ECU (RIGHT SIDE OF DASH) PATTERN SELECT SWITCH ASSEMBLY 1 PNK WIRE RAD 1 FUSE REAR TELEVISION CAMERA ASSEMBLY (REAR DECK LID) RED WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

9 4 DRDC DBCL BLU WIRE BUCKLE SWITCH ECU-IG 2 FUSE GRN WIRE HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT FRONT SEAT OUTER BELT ASSEMBLY LEFT QUARTER PANEL) POSITION CONTROL ECU, LEFT SWITCH ASSEMBLY (LEFT SIDE OF SEAT) RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT REAR DOOR VIO WIRE W/ MEMORY W/O MEMORY WHT/BLK WIRE YEL WIRE

A/C BATT FAN FUSE BATT FAN RELAY BLK WIRE BLU WIRE BRN WIRE COOLING INSTRUMENT FANS CLUSTER SYSTEM SYSTEM WIPER/WASHER SYSTEM CRUISE SEATS CONTROL SYSTEM WIPER/ WASHER SYSTEMS DOOR LOCKS SYSTEM ECU- IG 1 ECU-ACC FUSE ECU-IG 2 FUSE EFI MAIN FUSE EFI MAIN RELAY FROM ENGINE ROOM R/B, ENGINE ROOM J/B (DIAGRAM 1 OF 3) FROM ENGINE ROOM R/B, ENGINE ROOM J/B (DIAGRAM 2 OF 3) FROM FUSE P/I 2 (DIAGRAM 1 OF 3) FUSE FUSE FUSE GAUGE AFS FUSE FUSE FUSE GRN WIRE GRY WIRE IGN FUSE INSTRUMENT CLUSTER, NAVIGATION, SOUND SYSTEMS LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAIN BODY IG ECU MET FUSE NAVIGATION SYSTEM P/I 1 FUSE P/POINT RELAY PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT SIDE OF DASH) ACCD POWER OUTLET SOCKET (LEFT SIDE OF DASH) POWER SWITCH PWR OUTLET FUSE RADIO 2 FUSE RED WIRE RELAY SEAT HTR FR SEAT HTR FL SOUND, ENGINE CONTROLS SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM TAIL RELAY TO FUSE S/ROOF (DIAGRAM 3 OF 3) TO INSTRUMENT PANEL J/B (DIAGRAM 2 OF 3) VIO WIRE WARNING, SUPPLEMENTAL ANTI-LOCK RESTRAINTS BRAKES SYSTEMS SYSTEM WHT WIRE WHT/BLK WIRE WIP WASHER FUSE FUSE WIPER/ WASHER SYSTEM YEL WIRE

+B PGND 1 2 3 4 5 6 7 8 9 10 MOR- MOR+ MOL+ MOL- 1 2 3 4 5 6 7 8 CAN H CAN L 1 5 LGND IGB 2 3 4 SGND COMPUTER DATA LINES SYSTEM 20 19 32 COMPUTER DATA LINES SYSTEM CAN H CAN L LGND BLK WIRE BLU WIRE BRN WIRE CANH CANL 32 31 COMBINATION METER COMPUTER DATA LINES SYSTEM DASH) DRIVING SUPPORT ECU ASSEMBLY (RIGHT SIDE OF DASH) ECU-IG 2 FUSE ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) MET FUSE HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF J/C LEFT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF LEFT "B" PILLAR) LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (FRONT OF PBSW PCS IND PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY PSB FUSE RED WIRE RIGHT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF RIGHT "B" PILLAR) SEAT BELT CONTROL ECU (RIGHT SIDE OF DASH) SKID CONTROL ECU ASSEMBLY (LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE