Lexus SC II (2001-2005) air conditioning system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AUI+ AUO+ 1 2 3 4 5 6 7 8 9 10 11 12 SP+ AUI+ 1 2 3 4 5 6 7 8 9 10 VR 15 5 TX- TX+ 18 5 13 19 6 9 15 2 PNK MTX- MTX+ SPD TDX- TDX+ N-MU TFL- TFL+ WIRE 3 6 TXS+ TXS- PNK WIRE 9 10 ATX- ATX+ AIR CONDITIONING SYSTEM AUO- BLK WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BO (NEAR STEREO COMPONENT AMPLIFIER) BQ (AT RIGHT QUARTERPANEL) BRN WIRE CENTER J/B (BEHIND RIGHT CENTER OF DASH) COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM 2 GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN ON OR ACC HOT IN ON OR START IG (LEFT SIDE OF STEERING COLUMN) IH (UNDER STEERING COLUMN) INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND RIGHT SIDE OF DASH) J/C 15 J/C 9, 10 (BEHIND TOP LEFT END OF DASH) JC-18 LEFT DOOR SPEAKER (SQUAWKER, TWEETER) LT GRN WIRE LT GRN/BLK WIRE MULTI-DISPLAY NAVI +B SP- AUI- GND NAV- NAV+ NAVO NAVIGATION AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPARTMENT) NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) NCA WIRE ORG/ WIRE P-IG FUSE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PKB VG PNK OPN WIRE PNK TX- WIRE PNK/BLK WIRE R/B (ON LEFT SIDE OF ENGINE COMPARTMENT, FORWARD OF STRUT TOWER) RADIO 2 FUSE RADIO, PLAYER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REV STARTER FUSE STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) SYNC SYNC TX- TC SPD VR TILT TV FUSE TX+ VG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

ABS 1 FUSE ABS 2 FUSE AIR CONDITIONING SYSTEM ALT FUSE ANTI-LOCK BRAKE SYSTEM BATTERY BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE COOLING FAN SYSTEM COOLING FAN SYSTEM CRUISE CONTROL, ENGINE, TRANSMISSION SYSTEMS CRUISE CONTROL, TRANSMISSION, ENGINE ANTI-THEFT, ANTI-LOCK BRAKES SYSTEMS D DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) TO TAIL FUSE (DIAGRAM 3 OF 3) EFI 2 FUSE EFI RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM NO.1 R/B (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM NO.2 R/B (ON LEFT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ETCS FUSE EXTERIOR LIGHTS, DOOR LOCKS, ANTI-THEFT, BODY COMPUTER SYSTEMS FAN 2 FUSE FAN FUSE FROM IGNITION SWITCH (DIAGRAM 1 OF 3) FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE H-LP L LWR FUSE H-LP R LWR FUSE H-LP UPR FUSE HEADLAMP RELAY HEADLIGHT BODY COMPUTER SYSTEMS HEATER FUSE HORN, COMPUTER DATA LINE, DOOR LOCKS, ANTI-THEFT SYSTEMS IGN FUSE IGNITION SWITCH INJ FUSE J/C 2 ENGINE SYSTEM MAIN FUSE OFF OFF ACCY ON ACCY P DOOR FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK/BLU WIRE PPL RADIO 1 FUSE D/C CUT FUSE RED WIRE RED/BLK WIRE RELAY SHORT PIN 1 SOUND SYSTEM STARTER FUSE SHORT PIN 2 STARTER RELAY STARTING, ENGINE SYSTEMS STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TEL FUSE ALT-S FUSE TELEPHONE COMPUTER TO DRIVER SIDE J/B (DIAGRAM 3 OF 3) TO ENGINE ROOM NO 2 R/B (DIAGRAM 1 OF 1) TO PASSENGER SIDE J/B (DIAGRAM 2 OF 3) TO RR J/B FUSE (DIAGRAM 2 OF 3) TRANSMISSION, ENGINE, STARTING/ CHAGING, NAVIGATION SYSTEMS TURN-HAZ FUSE HORN FUSE EFI FUSE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

ABS IG FUSE ACCY AIR CONDITIONING SYSTEM AIR CONDITIONING, COOLING FANS, BODY COMPUTER SYSTEMS ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BODY COMPUTER SYSTEM BODY COMPUTER, POWER WINDOW, DOOR LOCKS, POWER WINDOW, ANTI-THEFT SYSTEMS BODY COMPUTER, WIPER/WASHER SYSTEMS CRUISE CONTROL, ENGINE, TRANSMISSION, BODY COMPUTER SYSTEMS CRUISE CONTROL, TRANSMISSION, ENGINE, SRS, ANTI-LOCK BRAKES SYSTEMS D P/SEAT FUSE D-IG FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) FR FOG FUSE FROM IGNITION SWITCH (DIAGRAM 1 OF 3) FROM PASSENGER SIDE J/B (DIAGRAM 2 OF 3) HEADLIGHT, EXTERIOR LIGHTS, DOOR LOCK, ANTI-THEFT, BODY CONTROL SYSTEMS HEADLIGHTS, BODY COMPUTER SYSTEMS HEATER FUSE HORN, BODY COMPUTER SYSTEMS II (LEFT INSTRUMENT PANEL BRACE) MEMORY SYSTEMS MEMORY, SEATS SYSTEMS MPX-IG MPX-IG FUSE NOT USED OBD FUSE ORG/ WIRE PANEL FUSE PNK WIRE POWER OUTLET PWR OUTLET FUSE RED WIRE RED/YEL WIRE RELAY SECURITY FUSE STOP FUSE SUPPLEMENTAL RESTRAINT SYSTEM MEMORY SYSTEMS SUPPLEMENTAL RESTRAINTS, BODY COMPUTER SYSTEMS TAIL FUSE TI, TE FUSE TO PASSENGER SIDE J/B (DIAGRAM 2 OF 3) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WIPER FUSE WIPER/WASHER SYSTEM SYSTEM