Lexus SC II facelift (2005-2010) ih (under steering column) ig (behind center of dash) Wiring diagrams

1 20 22 21 12 15 6 17 18 TC 2 10 11 1 9 8 IG A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AFS ECU (LEFT END OF DASH) AFS OFF SWITCH AUDIO DOOR CONTROL SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) CIGARETTE VSC OFF LIGHTER SWITCH COMBINATION SWITCH DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM 2 R/B (ON LEFT SIDE OF ENGINE COMPARTMENT, FORWARD OF STRUT TOWER) FRONT CONTROLLER FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IH (UNDER STEERING COLUMN) IG (BEHIND CENTER OF DASH) II (ON LEFT SIDE DASH BRACE) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 9, 10 (BEHIND TOP LEFT END OF DASH) MPX MPX-IG FUSE MULTI- DISPLAY (W/ NAVI- GATION) ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE RADIO, PLAYER RED WIRE RED/BLU WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH REOS RHEOSTAT SEAT HEATER SWITCH (IF EQUIPPED) TILT, TELESCOPIC ECU (BEHIND LEFT END OF DASH) TIRE PRESSURE WARNING ECU, RECEIVER (BEHIND CENTER OF DASH, BELOW RADIO) TR+ RV TRANSMISSION CONTROL SWITCH TRANSPONDER KEY COMPUTER (LEFT SIDE OF DASH, BEHIND GAUGE ASSEMBLY) VIO WIRE VIO/WHT WIRE WHT GRN/ WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 13 14 15 16 17 18 19 20 +B ILL 10 5 PNK TX- TX+ WIRE 6 21 GTX+ GTX- PNK WIRE 6 5 4 4 3 2 1 1 PNK TXS- WIRE ANTA ANTB TXS+ ATX- ATX+ AUDIO DOOR CONTROL SWITCH AUO+ AUO- BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMBINATION METER D-IG FUSE DOME FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE HOT IN ON OR START IG+ IG+ IH (UNDER STEERING COLUMN) IG (BEHIND CENTER OF DASH) IJ (ON RIGHT SIDE DASH BRACE) ILL- ANT INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND RIGHT SIDE OF DASH) J/C 13 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE MPXB MULTI-DISPLAY MUTE R+ L+ SGND NAVIGATION ECU (IF EQUIPPED) (AT RIGHT REAR CORNER OF LUGGAGE COMPARTMENT) NCA WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE POWER ANTENNA SYSTEM R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/WHT WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE