Lexus RX II (2003-2006) nca Wiring diagrams

+BM 17 18 29 24 10 19 12 6 SPD 25 11 10 9 8 23 22 12 CANL CANH NEO ENG+ TRC+ ENG- TRC- 28 18 17 3 2 29 19 1 4 7 PNK CCHG LGND WIRE 5 6 7 PNK WIRE ACCEL POSITION SENSOR (LEFT SIDE OF DASH, ON ACCELERATOR PEDAL) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EE (REAR OF ED ENGINE) (FRONT OF ENGINE) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ETCS FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT GAUGE 1 PANEL J/B FUSE (LEFT SIDE OF DASH) IGN FUSE J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/C 16 (RIGHT SIDE OF DASH) J/C 17 (RIGHT SIDE OF DASH) J/C 20, 21 (RIGHT SIDE OF DASH) J/C 7, 8 (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE M+ M- ELC LCS NCA WIRE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK CCS WIRE PNK PNK WIRE PNK WIRE RED WIRE RED/WHT WIRE STOP FUSE STOPLIGHT SWITCH THROTTLE POSITION SENSOR (ON THROTTLE BODY) VIO WIRE W/ MAYDAY SYSTEM LATE PRODUCTION W/O MAYDAY SYSTEM, ALL EARLY PRODUCTION WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

+BM 17 18 29 24 10 19 12 6 SPD 19 9 20 18 22 28 26 23 29 27 PNK WFSE IGSW TC SIL VPA EPA VCPA WIRE ACCEL POSITION SENSOR (LEFT SIDE OF DASH, ON ACCELERATOR PEDAL) BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND ED (FRONT OF ENGINE) EE (REAR OF ENGINE) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ETCS FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT GAUGE 1 PANEL J/B FUSE (LEFT SIDE OF DASH) IGN FUSE IK (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/C 16 (RIGHT SIDE OF DASH) J/C 17 (RIGHT SIDE OF DASH) J/C 20, 21 (RIGHT SIDE OF DASH) J/C 7, 8 (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE M- M+ NCA WIRE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK CCS WIRE PNK WFSE WIRE PNK WIRE RED WIRE RED/WHT WIRE RES/ ECC SET/ COAST SIL SKID CONTROL ECU WITH ACTUATOR (RIGHT FRONT OF ENGINE COMPT) SPEEDOMETER STOP FUSE STOPLIGHT SWITCH THROTTLE POSITION SENSOR (ON THROTTLE BODY) VIO WIRE W/ MAYDAY SYSTEM LATE PRODUCTION W/O MAYDAY SYSTEM, ALL EARLY PRODUCTION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/F RELAY AFS ECU BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE PEDAL LOAD SENSING SWITCH BRN WIRE COOLING FAN ECU EA (AT RIGHT SIDE OF ENGINE COMPT) EB (AT RIGHT OF SURGE TANK) EF (LEFT FRONT OF ENGINE COMPT) EFI MAIN RELAY EG (LEFT FRONT OF ENGINE COMPT) ENGINE HOOD COURTESY SWITCH FRONT WINDOW DEICER FRONT WIPER MOTOR GRN WIRE IH (AT LEFT SIDE OF DASH) IL (CENTER OF DASH) JUNCTION CONNECTOR 1 (IN ENGINE COMPT, ON RIGHT FRONT FENDER) JUNCTION CONNECTOR 2 (IN RIGHT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) JUNCTION CONNECTOR 4 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) JUNCTION CONNECTOR 5 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) JUNCTION CONNECTOR 6 (BEHIND LEFT SIDE OF DASH, JUNCTION CONNECTOR HEATER RELAY KEYLESS BUZZER LEFT FRONT FOG LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT HEADLIGHT LEFT PARKING LIGHT MAYDAY ECU MODE MONITOR THERMAL OUTPUT CIRCUIT NCA WIRE OVERHEAD J/B SHIELD PLAYER PRESSURE SWITCH R/B 3 (RIGHT SIDE OF ENGINE COMPT) RADIO RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT HEADLIGHT RIGHT PARKING LIGHT SHIELD SKID CONTROL ECU WITH ACTUATOR STARTER RELAY W/ DRL W/0 DRL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

1 OF 3) 2 OF 3) A/F DOOR 1 FUSE FUSE ABS 1 FUSE ABS 2 FUSE AIR CONDITIONING SYSTEM AIRSUS FUSE ALT FUSE ALT-S MAIN FUSE FUSE AM 2 FUSE AMP FUSE ANTI-THEFT, DOOR LOCKS, MIRRORS, HEADLIGHTS, ANTI-THEFT, HORNS, BODY COMPUTER SYSTEMS BATTERY BLK WIRE BLU WIRE BRN WIRE COOLING FANS SYSTEM CRT FUSE CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS CRUISE CONTROL, TRANSMISSIONS, ENGINE CONTROLS SYSTEMS DCC DEFOGGER SYSTEM DOME TEL FUSE FUSE ECU-B FUSE EFI 1 FUSE ELECTRONIC SUSPENSION SYSTEM ENGINE CONTROLS SYSTEM ETCS FUSE EXTERIOR LIGHTS FR FOG FUSE FROM ACC RELAY (DIAGRAM FROM ALT FUSE (DIAGRAM FUEL OPN FUSE LH RR RH RR DOOR DOOR FUSE FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) FUSIBLE LINK MAIN GRN WIRE GRY WIRE H-LP CLN FUSE HEADLIGHTS, WIPER/WASHER, BODY COMPUTER SYSTEMS STARTING/ CHARGING SYSTEM HEATER FUSE HORN HAZ FUSE FUSE INP-J/B FUSE INTERIOR LIGHTS SYSTEM, GARAGE DOOR OPENER LT BLU WIRE LT GRN WIRE NCA WIRE P/SEAT FUSE PANEL FUSE PBD FUSE PNK WIRE PWR FUSE PWR OUTLET 2 FUSE RADIO 1 FUSE RDI FAN FUSE RED WIRE RR DEF FUSE S/ROOF FUSE SEATS SYSTEM SEATS, MEMORY SYSTEMS SHORT PIN SOUND SYSTEMS SOUND, NAVIGATION SYSTEMS SOUND, NAVIGATION, WARNING SYSTEMS STARTING/ CHARGING SYSTEM STOP OBD FUSE FUSE SYSTEM TAIL RELAY TO DCC FUSE (DIAGRAM 1 OF 3) TO IGN 1 RELAY (DIAGRAM 2 OF 3) TO IGNITION TO INVERTER RELAY (DIAGRAM 3 OF 3) TO REAR J/B (DIAGRAM 2 OF 3) TOWING FUSE TRLY TAIL FUSE BODY ECU FR FOG RELAY TRUNK, TAILGATE, FUEL DOORS POWER SYSTEM WINDOWS, BODY COMPUTER SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ AIR SUSPENSION SYSTEM W/O AIR SUSPENSION SYSTEM WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE 3 10 TX+ TX- 3 6 5 NTSC AMP FUSE ANT ANTENNA AMPLIFIER (CENTER OF DASH) ATX- BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH EAU FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IL (CENTER OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) RADIO 2 FUSE J/C 11 (BEHIND LEFT SIDE OF DASH) J/C 14, 15 (CENTER OF DASH) J/C 38 (AT REAR CARGO AREA) J/C 39 (AT REAR CARGO AREA) LT BLU WIRE LT GRN WIRE LT LT MODE MULTI-DISPLAY (IF EQUIPPED) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK 8 9 10 WIRE PNK PNK WIRE PNK WIRE R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE RSLD R-R+ R-R- R-L+ R-L- RMUT ADIM PNK WIRE SEEK SWG TX- TX+ VIO WIRE VOL (-) WHT WIRE YEL WIRE

+B FR- FL- RR- RL- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK FR+ FL+ RR+ RL+ CTF+ WIRE 11 2 1 15 10 AUO- AUO+ AUI+ MUTE AUI- 3 4 5 6 7 8 9 10 11 12 13 14 15 TMUT BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CENTER SPEAKER COMBINATION METER GND CTF- GRN WIRE GRY WIRE J/B 3 (LEFT SIDE OF DASH) J/C 38 (AT REAR CARGO AREA) LEFT FRONT SQUAWKER LEFT FRONT WOOFER LEFT REAR DOOR SPEAKER LEFT TWEETER LT BLU WIRE LT GRN WIRE MTX- MUTE N-MU NAVIGATION ECU ECU (IF EQUIPPED) (AT REAR OF CARGO AREA) NCA WIRE ORG/ WIRE PNK 1 3 2 4 WIRE PNK 8 9 10 WIRE PNK MTX+ WIRE PNK WIRE R - L - R+ L+ SPD TFR- TFL- RED WIRE RED/YEL WIRE RIGHT FRONT SQUAWKER RIGHT FRONT WOOFER RIGHT REAR DOOR SPEAKER RIGHT TWEETER TFR+ TFL+ TWL+ TWL- TWR+ VIO WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MUTE AL- AL+ AR- AR+ ADPG BLK WIRE BLU WIRE BRN WIRE BS (RIGHT REAR OF CARGO AREA) CRT FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUX GND TX+ TX- GRN WIRE GRY WIRE HOT AT ALL TIMES HPL- HPL+ HPR- HPR+ J/C 14 (CENTER OF DASH) LMUT LT BLU WIRE LT GRN WIRE NCA WIRE NTSC S GND SLD HPL- HPL+ HPR- HPR+ SLD ORG/ WIRE PNK L- L+ R- R+ WIRE PNK WIRE R-L- R-L+ R-R- R-R+ REAR SEAT ENTERTAINMENT DISPLAY RED WIRE RMUT GND (TX-) (TX+) SELD SYNC VR VG LOCK MUTE L- L+ R- R+ SLD S GND VAL+ VAR+ VIDEO TERMINAL VIO WIRE VV- WHT WIRE WHT/BLK WIRE YEL WIRE

A/C SYSTEM ACCEL POSITION SENSOR (ON ACCELERATOR PEDAL) ACM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ENG ENG+ TRC+ VCPA ENG- TRC- ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) EXCEPT MULTI-MODE SHIFT LEVER TYPE GAUGE 1 FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON, START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 16 (BEHIND RIGHT CENTER OF DASH) J/C 17 (BEHIND RIGHT SIDE OF DASH) J/C 17 (RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE M- M+ MREL IGSW FC NCA WIRE NEO OIL PRESSURE SWITCH (LEFT FRONT CORNER OF ENGINE) ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON RIGHT SIDE OF TRANS) PNK NEO SIL WFSE TC PTNK VPA WIRE PNK WIRE POWER STEERING OIL PRESSURE SWITCH (FRONT OF ENGINE) PTNK RED WIRE RED/BLK WIRE RED/WHT WIRE RFC PSW RIGHT VVT SOLENOID RL MOPS LCKI NE- NE+ SHIFT INTERLOCK SYSTEM SKID CONTROL ECU W/ ACTUATOR (RIGHT FRONT OF ENG COMPT) TACH TRC+ VAPOR PRESSURE SENSOR (UNDER CENTER REAR OF VEHICLE) VCC VIO WIRE VSV (ACM) (AT LEFT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

AF- AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) (RIGHT EXHAUST MANIFOLD) AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) (LEFT EXHAUST MANIFOLD) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BO (LEFT REAR OF CARGO AREA) BRN WIRE BRN/WHT WIRE C/OPN RELAY ED (FRONT OF ENG) EFI MAIN RELAY ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) A/F RELAY FUEL PUMP (IN FUEL TANK) GRN WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (IN EXHAUST, REAR OF CATALYTIC CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (ON RIGHT EXHAUST PIPE, NEAR TRANS) IH (LEFT KICK PANEL) J/C 10 (LEFT SIDE OF DASH) J/C 17 (RIGHT SIDE OF DASH) J/C 6 J/C 7, J/C 8 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK WIRE R/B 1 (LEFT SIDE OF DASH) RED WIRE RED/WHT WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

A/F FUSE EFI 1 FUSE EFI 2 FUSE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COUNTER GEAR SPEED SENSOR (FRONT SIDE OF ENGINE) DSL EKNK ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) ERD FUSIBLE LINK BLOCK (ENGINE ROOM R/B) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON, START IGN FUSE INJ 6 INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) KNOCK SENSOR 1 (ON TOP OF ENGINE) KNOCK SENSOR 2 (ON TOP OF ENGINE) LT BLU WIRE LT GRN WIRE NCA WIRE NT- P/N PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SLT- STARTING CIRCUIT STOP FUSE STOP LIGHT SWITCH TURBINE SPEED SENSOR (ON TRANS- AXLE HOUSING) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE