Toyota Sienna II (2003-2005) computer data lines system Wiring diagrams

1 2 32 18 29 HP ACMG TAM 2 1 TSR TSL 3 2 1 +B SI GND 9 8 RFC A/C CONTROL ASSEMBLY AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) AOD AOF AMDH AMDC AMPH AMPC AIF AIR SG-1 SG SG-2 SG-3 SG-4 SG-5 AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) B+ PNK WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COLUMN) COMPUTER DATA LINES SYSTEM DRIVER'S SIDE J/B (BEHIND DASH, LEFT OF STEERING DRIVER'S SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DUAL EA (AT RIGHT SIDE OF ENGINE COMPT) ECU-B FUSE ENGINE CONTROL ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FAN MOTOR (MAIN) M- FRONT PASSENGER SIDE AIR MIX CONTROL SERVO MOTOR (BEHIND RIGHT CENTER OF DASH) FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HR BLW HTR FUSE IE (AT LEFT KICK PANEL) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 27 (BEHIND RIGHT J/C 3, 4 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/RED WIRE M+ FAN MOTOR (SUB) M- ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PRESSURE SWITCH (AT RIGHT FRONT OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SIDE OF DASH) SINGLE TPD TPP TPI TPO TSD ILL- TSP ILL+ IG TR TE VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/PNK WIRE YEL/RED 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 SWD DPD CLKR STK A/C CONTROL ASSEMBLY AOD AOF AMDH AMDC AMPH AMPC AIF AIR SG-1 SG SG-2 SG-3 SG-4 SG-5 B+ PNK WIRE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BLWH VMH BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DPD DRIVER'S SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FOOT FACE MHH MCH FRONT A/C CIRCUIT FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, ENGINE ROOM J/B) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ECU-B FUSE HR BLW HRC TR TE HTR FUSE IE (AT LEFT KICK PANEL) ILL INTERIOR LIGHTS SYSTEM FRONT A/C CIRCUIT INTERIOR LIGHTS SYSTEM J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 43 (BEHIND RIGHT REAR QUARTERPANEL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE REAR A/C CONTROL SWITCH REAR A/C EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT REAR QUARTERPANEL) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RR A/C FUSE SG-6 SGND STX CLK SWD TPD TPM TPH TEC RTR TPP TPI TPO TSD ILL- TSP ILL+ IG VIO WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/PNK WIRE YEL/RED 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 TR+ HAZ 1 2 3 4 5 6 7 8 9 10 SH BZR 19 20 21 22 23 24 25 26 PKB LSWL ILE ACT+ 2 3 ALTB TRLY HRLY ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/RED WIRE CLTE CLTS CLTB COMPUTER DATA LINES SYSTEM DOOR 2 FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS, INTERIOR LIGHTS SYSTEMS DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DOOR LOCKS, WARNING SYSTEMS DRL ECU-ACC FUSE ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORN BECU HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START KSW FFOG HEAD IND LCTY LSWD LSWR LT GRN WIRE ORG/ WIRE PBDS DBSU PCTY PCYL BCTY BCYL LSWP LCYL PNK/BLU WIRE PRG RDA DCYL DCTY RCYL RCTY PWR RELAY PWS RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SFTM SNOW TAIL TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, INTERIOR LIGHTS SYSTEMS VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 17 4 7 EOM M- M+ 1 2 3 8 9 15 18 19 20 22 28 26 23 27 29 +B 6 10 12 17 19 24 18 29 +BM ACCEL POSITION SENSOR (UNDER LEFT SIDE OF DASH) BATT MREL IGSW EOM SIL WFSE TC VPA EPA VCPA BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EB (AT FRONT OF ENGINE) EC (AT REAR OF ENGINE) ECU-B FUSE ED (AT LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES J/C 2 (AT LEFT SIDE OF ENGINE COMPT) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/RED WIRE NCA WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SPO STP CCS THROTTLE CONTROL MOTOR, THROTTLE POSITION SENSOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) EB (AT FRONT OF ENGINE) GAUGE 1 FUSE GAUGE 2 FUSE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IF (BEHIND LOWER CENTER OF DASH) IGN FUSE J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 29 (BEHIND RIGHT SIDE OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LT GRN/RED WIRE ON OFF PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) RED WIRE RED/BLU WIRE STOP FUSE STOP LIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

+BM 17 18 29 24 10 19 12 6 SPD 28 18 17 3 2 29 19 1 4 7 PNK CCHG LGND WIRE 6 7 8 9 PNK WIRE 8 1 2 MREL +B ACCEL POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CANL CANH COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) EB (AT FRONT OF ENGINE) COUNTER GEAR SPEED SENSOR (ON TOP OF TRANSAXLE) EC (AT REAR OF ENGINE) ECU W/ ACTUATOR 10 9 8 23 22 12 25 11 NEO ENG+ TRC+ ENG- TRC- PNK WIRE ECU-B FUSE ED (AT LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI RELAY END OF DASH) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 3, 4 (BEHIND LEFT J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 2 (AT LEFT SIDE OF ENGINE COMPT) J/C 20 (BEHIND UPPER LEFT CENTER OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 21 (BEHIND UPPER LEFT CENTER OF DASH) J/C 29 (BEHIND RIGHT SIDE OF DASH) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE M+ M- ELC LCS NCA WIRE NT+ NT- NC+ NC- PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE THROTTLE CONTROL MOTOR, THROTTLE POSITION SENSOR TURBINE SPEED SENSOR (AT REAR OF TRANSAXLE) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 LGND SGND LRDD LRRD IGB 6 7 8 9 PNK WIRE BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE BUZZER COMBINATION METER COMBINATION SWITCH DIST COMPUTER DATA LINES SYSTEM CRUISE CHECK IND CRUISE IND DISTANCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) DISTANCE CONTROL SWITCH DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-IG FUSE GND IGB GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES IGN FUSE J/C 15 (BEHIND LEFT END OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 28 (BEHIND RIGHT SIDE OF DASH) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LASER RADAR SENSOR (BEHIND RIGHT SIDE OF FRONT BUMPER) LRDD LRRD ELC LCS LT GRN/RED WIRE MODE NORMAL IND ORG/ WIRE PNK WIRE R/N READY IND RED WIRE RED/BLU WIRE SGND SPEEDOMETER STOP FUSE STOP LIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) VIO WIRE VIO/WHT WIRE WASH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

AUTO OFF TAIL AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) BLK/RED WIRE BODY ECU BRN WIRE CLTB CLTS CLTE CLTE CLTS COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DCTY DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DRL ECU-ACC FUSE ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT FLASH DIMMER SWITCH FLASH LOW GAUGE 2 FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE HEAD HEAD LIGHT CONTROL SWITCH HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IE (AT LEFT KICK PANEL) IF (BEHIND LOWER CENTER OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LOW HIGH LT GRN WIRE OFF ON FOGLIGHT SWITCH ORG/ WIRE PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIDE OF ENGINE COMPT) TAIL VIO WIRE WHT/BLK WIRE WHT/BLU WIRE

1 2 32 HP ACMG TAM 3 2 +B SI GND 9 8 RFC A/C CONTROL ASSEMBLY A/CB AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (AT CENTER FRONT OF ENGINE COMPT) DRIVER'S SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DUAL EA (AT RIGHT SIDE OF ENGINE COMPT) END OF DASH) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ECU-B FUSE FAN MOTOR (MAIN) FAN MOTOR (SUB) FRONT PASSENGER SIDE AIR MIX CONTROL SERVO MOTOR (BEHIND RIGHT CENTER OF DASH) FRS FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON DRIVER'S SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU HOT IN ON OR START HTR FUSE HRC FRS REC IE (AT LEFT KICK PANEL) ILL (+) PNK WIRE J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 27 (BEHIND RIGHT J/C 3, 4 (BEHIND LEFT LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PRESSURE SWITCH (AT RIGHT FRONT OF ENGINE COMPT) REAR A/C CIRCUIT REC RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SIDE OF DASH) SINGLE TPH TSET VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

+BM 4 CCS A/C SYSTEM A/F FUSE ETCS FUSE EFI 2 FUSE BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE C/ OPN RELAY COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM ED (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI RELAY ELS ENG- TRC- ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) EOM GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES IMO IMI INVERTER RELAY J/C 3, J/C 4 J/C 3, J/C 4 (BEHIND LEFT END OF DASH) J/C 5, J/C 6 (BEHIND LEFT END OF DASH) JC-18 JC-21 LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MREL IGSW FC NEO SIL WFSE TC PTNK VPA PNK ENG+ TRC+ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE STP 3 TACH TAM VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/GRN WIRE YEL/RED WIRE