Lexus IS II facelift (2008-2010) High/low bus circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IG A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BLK WIRE BRN WIRE BRN/RED WIRE CLEARANCE WARNING ECU (W/ PARKING ASSIST) (LEFT SIDE OF TRUNK) COMBINATION METER ASSEMBLY ECU-IG RH FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GRN WIRE GRN/RED WIRE GRY WIRE GTX+ SIL GTX- HEADLIGHT SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE PNK WIRE RED WIRE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU SIL WHT WIRE WHT/BLK WIRE

BLK WIRE GRN WIRE GRY WIRE LT BLU WIRE ORG/ WIRE PNK WIRE POWER STEERING ECU (RIGHT REAR OF ENGINE COMPT) POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

1 2 TX- TX+ 18 19 TX- TX+ 3 4 18 17 PNK WIRE 36 38 37 MPX 5 15 ATX+ ATX- PNK WIRE 7 8 TX+ TX- 9 10 TX+ TX- 9 10 TXM+ TXM- BLK WIRE BLU WIRE BRN WIRE CAN (+) CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FRONT DOOR) GRY WIRE INTEGRATION CONTROL, PANEL ASSEMBLY (W/O NAVIGATION) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT POSITION CONTROL ECU, SWITCH ASSEMBLY LEFT MAIN BODY ECU LEFT OUTER MIRROR CONTROL ECU (LEFT LT BLU WIRE LT GRN WIRE MPX MULTI-DISPLAY MULTI-MEDIA MODULE NAVIGATION ASSEMBLY ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK W/ NAVIGATION SYSTEM WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RAIN SENSOR (TOP CENTER OF FRONT WINDSHIELD) RED WIRE RELAY SEAT BELT CONTROL ECU (W/ DYNAMIC RADAR CRUISE CONTROL) (LEFT SIDE OF TRUNK) SLIDING ROOF CONTROL ECU (IF EQUIPPED) STEERING SENSOR (UNDER LEFT SIDE OF DASH) STEREO COMPONENT AMPLIFIER TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/RED WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE)