Lexus IS II (2005-2008) nca Wiring diagrams

+BM BLK WIRE BLU WIRE BRN WIRE CAIH CAIL COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE SKID CONTROL ECU W/ ACTUATOR SPEEDOMETER SUPPLY POWER THROTTLE BODY ASSEMBLY TRANSMISSION CONTROL SWITCH (A/T) VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

+BM 6 7 PNK WIRE BLK WIRE BLU WIRE BRN WIRE CAIH CAIL COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU GRN/RED WIRE HOT AT ALL TIMES INPUT CIRCUIT LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE SKID CONTROL ECU W/ ACTUATOR SPEEDOMETER SUPPLY POWER THROTTLE BODY ASSEMBLY VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/GRN 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 MRF SR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SFRR SRLR MR FLO FRO ABS 3 FUSE ABS 1 FUSE MPX-B FUSE (ON RIGHT REAR OF ENGINE COMPT) ABS SOL RELAY AST BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE PEDAL ROAD SENSING SWITCH BRN WIRE BRN/RED WIRE BRN/WHT WIRE BZ D/G TS PKB WFSE CANL COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) ENGINE ROOM 1 R/B ENGINE ROOM 3 R/B (LEFT REAR OF ENGINE COMPT) FR- FR+ FL+ FL- R+ SRRR SFLR SSEL FSW+ GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR LINES SYSTEM COMPUTER DATA LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE PMC PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR RL- RL+ RR+ RR- CSW CANH RRA+ FLA- RLA+ FRA- SIL SKID CONTROL ECU (CENTER CONSOLE) SPDL SPDR TRACTION CONTROL SWITCH VCM FSS RRA- FLA+ RLA- FRA+ VIO WIRE WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

ABS BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE ACTUATOR (LEFT REAR OF ENGINE COMPT) BRAKE LAMP RELAY BRAKE/ BRN WIRE BRN/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM 2 R/B (LEFT SIDE OF ENGINE COMPT) FLA- FRA GAUGE FUSE GRD GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG+ POWER SUPPLY INPUT CIRCUIT J/C LT GRN WIRE MASTER MICRO COMPUTER MPX+ MPX- 6 18 NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH PMC PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RLA- RRA+ SFLR SFRR SI SLIP SPEEDOMETER 1 13 SRLR SRRR SSEL STOP LAMP SWITCH STOP SW FUSE VCM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 3 9 10 2 IG BAT CANL CANH ESS 24 25 CANL CANH 5 4 3 2 1 IG 6 4 CANL CANH BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAMSHAFT TIMING OIL CONTROL VALVE (LEFT EXHAUST) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (LEFT INTAKE) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT EXHAUST) (ON RIGHT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT INTAKE) (ON RIGHT CYLINDER HEAD) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR ECU-IG FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT COWL SIDE J/B LEFT (AT LEFT END OF DASH) RELAY LT GRN WIRE M- M+ NCA WIRE NE- NE+ PNK CANH CANL GRD WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY SEAT BELT CONTROL ECU (LEFT SIDE OF TRUNK) STEERING SENSOR (AT STEERING COLUMN) THROTTLE BODY ASSEMBLY VSC WARNING BUZZER WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE YEL/BLK WIRE

1 3 9 10 2 IG BAT CANL CANH ESS 24 25 CANL CANH COMPUTER DATA LINES SYSTEM 5 4 3 2 1 IG 6 18 17 MPX+ MPX- COMPUTER DATA LINES SYSTEM A/T ABS BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE/ BRN WIRE CAMSHAFT TIMING OIL CONTROL VALVE (LEFT EXHAUST) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (LEFT INTAKE) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT EXHAUST) (ON RIGHT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT INTAKE) (ON RIGHT CYLINDER HEAD) COMBINATION METER COMPUTER DATA LINES SYSTEM PNK WIRE CRANKSHAFT POSITION SENSOR ECU-IG FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES IG FUSE INPUT CIRCUIT LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT GRN WIRE M- M+ M/T MASTER MICRO COMPUTER NCA WIRE NE- NE+ ORG/ WIRE PARKING BRAKE SWITCH PNK CANH CANL GRD COMPUTER DATA LINES SYSTEM WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY RED WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SLIP SPEEDOMETER STEERING SENSOR (AT STEERING COLUMN) STOP SW FUSE THROTTLE BODY ASSEMBLY VIO WIRE VSC WARNING BUZZER WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE YEL/BLK WIRE

2.5L 3 1 2 3 1 2 +B GRD 3.5L 3.5L 3.5L 3.5L, 2.5L ACMG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND LOWER RIGHT END OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN L COMBUSTION HEATER GLOW PLUG (AT REAR OF ENGINE) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 1 R/B (RIGHT REAR OF ENGINE COMPT) ETAM FAN FUSE GATEWAY ECU (AT RIGHT END OF DASH) GLOW RELAY 1 GLOW RELAY 2 GLW GLW FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES NCA WIRE PNK WIRE RDI FAN FUSE RED WIRE TAM VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

2.5L 3.5L 30 30 18 27 27 32 13 26 38 MPX+ MPX- SG-3 A/C AMPLIFIER (BEHIND CENTER OF DASH) A/C PRESSURE SENSOR (LOW) (M/T) A/C PRESSURE SENSOR BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR 1 (LEFT FRONT OF ENGINE COMPT) COOLING FAN MOTOR 2 (RIGHT FRONT OF ENGINE COMPT) CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) CUT) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (AT REAR OF ENGINE) ENGINE ROOM 1 R/B, J/B (RIGHT REAR OF ENGINE COMPT) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSE FUSE GATEWAY ECU (AT RIGHT END OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) NCA WIRE ORG/ WIRE PNK PSW PRE WIRE PNK SG-2 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 5 6 7 8 9 10 IG ESS BAT 18 6 MPX- PMX+ 24 25 CANL CANH 31 32 CANL CANH BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CANH CANL PIG PGND CANL CANH PNK WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COWL SIDE J/B LEFT (AT LEFT END OF DASH) CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) ECU-IG LH FUSE ECU-IG RH FUSE ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) EPS FUSE GATEWAY ECU (AT RIGHT END OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES HOT IN ON OR START INCS INSN LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MPX-B FUSE NCA WIRE OUCS OUSN POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) POWER STEERING MOTOR (LOWER FRONT OF ENGINE COMPT) POWER STEERING TORQUE SENSOR (LEFT FRONT OF ENGINE) PS (+) RED WIRE RED/BLK WIRE RED/BLU WIRE RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV SKID CONTROL ECU (CENTER CONSOLE) (W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT) STEERING SENSOR (AT STEERING COLUMN) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

20 21 22 23 PNK WIRE A/C SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) ACCR STA MREL FC FPR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CTSW EFI 2 RELAY EFI FUSE EFI MAIN RELAY EFII EFIO ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) F/PMP FUSE FAN TACH GRN WIRE GRN/WHT WIRE GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (ON RIGHT SIDE EXHAUST SYSTEM) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (ON LEFT SIDE EXHAUST SYSTEM) HOT AT ALL TIMES ID CODE BOX (BEHIND CENTER OF DASH) IGSW TAM STSW CCHG IREL LGND LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) PPMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SFTD SFTU CCS SKSW SPD KSW CANL CANH STARTING/CHARGING SYSTEM STSW TC STP MPMP IMI IMO VIO WIRE VIO/RED WIRE VPA EPA VCPA VPMP ACMG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE