Toyota Sienna III facelift 2 (2017-2020) computer data lines system Wiring diagrams

A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY A/C EVAPORATOR TEMPERATURE SENSOR AIR BAG ON/OFF INDICATOR B+ BUS BLK WIRE BLK/BLU WIRE BLOWER W/ FAN MOTOR SUB ASSEMBLY BLU WIRE BUS - BUS G COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (RED) WIRE DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR VENT MODE) DAMPER SERVO MOTOR (LEFT AIR MIX) DAMPER SERVO MOTOR (RIGHT AIR MIX) DEFOGGER SYSTEM ECU-B 2 FUSE ENGINE ROOM R/B FRONT A/C BLOWER ASSEMBLY GRN WIRE HAZARD SWITCH HOT AT ALL TIMES HTR FUSE HTR-IG FUSE INSTRUMENT PANEL J/B LOCK LT GRN WIRE MGC PNK WIRE MHTR PNK BLW WIRE PNK WIRE PTC 1 PTC 2 + PTC 3 + RDFG REAR WINDOW DEFOGGER SWITCH RED WIRE RELAY ENERGIZED RIGHT END OF DASH) SG-2 SG-4 SGA SOL + SUPPLEMENTAL RESTRAINTS SYSTEM TAM TEA TSD TSP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY A/C CONTROL ASSEMBLY 2 A/C EVAPORATOR TEMPERATURE SENSOR A/C MG FUSE A/C MG RELAY A/C RR FUSE BLK WIRE BLU WIRE BLWH BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GRAY) COOLING FAN ECU DAMPER SERVO MOTOR (AIR MIX) DAMPER SERVO MOTOR (AIR VENT MODE) DIODE (A/C MG RELAY) DRIVER DISPLAY E.F.I. ENGINE COOLANT TEMPERATURE SENSOR ENGINE ROOM R/B FAN FUSE FAN RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE MAIN FAN MOTOR PNK WIRE RBBU RBUG RBUS REAR A/C BLOWER ASSEMBLY REAR BLOWER MOTOR CONTROL REAR BLOWER W/ FAN MOTOR SUB- ASSEMBLY RED WIRE RFC RGND RLIN ROOM TEMPERATURE SENSOR 2 SGND SUB FAN MOTOR SYSTEM TEC VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+SM +SSW AUTO BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRN WIRE CANL PNK CANH WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY DSS 1 FUSE ECU-IG 3 FUSE ENGINE ROOM J/B ENGINE ROOM R/B FRONT WASHER SWITCH FRONT WIPER SWITCH GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B INTERMITTENT J/B-ALT FUSIBLE LINK LEVEL WARNING SWITCH ASSEMBLY LO HI LT GRN WIRE MIST OFF MIST OFF AUTO PNK WIRE RAIN SENSOR RED WIRE RELAY ENERGIZED RIGHT END OF DASH) SIG TAIL TAIL RELAY VIO WIRE WASHER FUSE WHT WIRE WHT/BLK WIRE WIG WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY WINDSHIELD WIPER MOTOR ASSEMBLY WINDSHIELD WIPER RELAY ASSEMBLY WINDSHIELD WIPER SWITCH ASSEMBLY WIP ECU FUSE WIP FUSE

BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY DSS 1 FUSE ENGINE ROOM R/B FRONT WASHER SWITCH FRONT WIPER SWITCH GAUGE 2 FUSE GRN WIRE GRY WIRE HOT W/ INSTRUMENT PANEL J/B INTERMITTENT LEVEL WARNING SWITCH ASSEMBLY LO INT MIST OFF OFF INT OFF LO INT PNK WIRE RED WIRE RELAY ENERGIZED RIGHT END OF DASH) WASHER FUSE WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY WINDSHIELD WIPER MOTOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) WINDSHIELD WIPER SWITCH ASSEMBLY WIP FUSE

BEHIND LEFT QUARTERPANEL) BLK WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM D D/UL RELAY D/L FUSE D/L RELAY D/UL RELAY DETECTION DOOR CONTROL RECEIVER DRL ECU- IG 1 FUSE ECU-ACC FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED IND INSTRUMENT PANEL J/B LCTY LEFT "C" PILLAR) LEFT SLIDE DOOR FULL OPEN STOP LOCK ASSEMBLY LOCK LSWL LSWR LT BLU WIRE LT GRN WIRE MAIN BODY ECU PNK RDA WIRE PNK WIRE RCTY RED WIRE RIGHT FRONT DOOR CONTROL SWITCH RIGHT FRONT DOOR COURTESY LIGHT SWITCH RIGHT FRONT DOOR W/ MOTOR LOCK ASSEMBLY RIGHT SLIDE DOOR FULL OPEN STOP LOCK ASSEMBLY SBEM UN-LOCK WARNING SWITCH ASSEMBLY UNLOCK VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE

BACK DOOR LOCK ASSEMBLY BACK DOOR LOCK ASSEMBLY (POWER BACK DOOR) BLK WIRE BLU WIRE BRN WIRE BUZZER CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DETECTION DOOR LOCK CONTROL SWITCH ECU-B 2 FUSE ECU-B FUSE ENGINE HOOD COURTESY SWITCH ENGINE ROOM R/B GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IND INSTRUMENT PANEL J/B KEY LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH LOCK LT GRN WIRE PNK WIRE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY R/B 3 RED WIRE RIGHT REAR DOOR COURTESY LIGHT SWITCH S-HORN FUSE S-HORN RELAY SECURITY SECURITY HORN ASSEMBLY UNLOCK VIO WIRE W/ POWER BACK DOOR W/O POWER BACK DOOR W/ THEFT- DETERRENT SYSTEM WHT WIRE WHT/BLK WIRE

BACK DOOR LOCK ASSEMBLY BACK DOOR LOCK ASSEMBLY (POWER BACK DOOR) BEHIND LEFT QUARTERPANEL) BLK WIRE BLU WIRE CODE COMPUTER DATA LINES SYSTEM COURTESY DOOR LOCK CONTROL SWITCH ECU-B 2 FUSE ECU-B FUSE ENGINE HOOD COURTESY SWITCH ENGINE ROOM R/B ENGINE SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES INDS INDW INSTRUMENT PANEL J/B LCTY LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT SWITCH LEFT REAR DOOR COURTESY LIGHT SWITCH LOCK LT BLU WIRE MAIN BODY ECU NEO ORG/ WIRE PNK WIRE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY RED WIRE RIGHT FRONT DOOR CONTROL SWITCH RIGHT FRONT DOOR COURTESY LIGHT SWITCH RIGHT REAR DOOR COURTESY LIGHT SWITCH SWIL TRANSPONDER KEY COIL TXCT UNLOCK VIO WIRE W/ POWER BACK DOOR W/O POWER BACK DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU ASSEMBLY CLGB CODE COMPUTER DATA LINES SYSTEM CUTB DATA DOOR CONTROL RECEIVER ENGINE ROOM R/B FRONT INDOOR ELECTRICAL KEY OSCILLATOR GRN WIRE GRY WIRE HOT AT ALL TIMES INDOOR LUGGAGE COMPARTMENT ELECTRICAL KEY OSCILLATOR INDS INSTRUMENT PANEL J/B LEFT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LT BLU WIRE LT GRN WIRE OUTSIDE LUGGAGE ELECTRICAL KEY ANTENNA PNK WIRE RCO REAR INDOOR ELECTRICAL KEY OSCILLATOR RED WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RSSI SENS SMART FUSE SWIL TRG+ TXCT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR BAG SENSOR ASSEMBLY BBL+ BCL+ BLK WIRE BRN WIRE BUCKLE SWITCH COMPUTER DATA LINES SYSTEM DK+ FIRST STEP FRONT PASSENGER SIDE SQUIB CIRCUIT GRN WIRE HOT IN ON OR START ICL- INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (LEFT END OF DASH) LEFT DOOR SIDE AIR BAG SENSOR LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT SIDE AIR BAG SENSOR ASSEMBLY LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 KNEE AIR BAG LSP + PL- PRETENSIONER RED WIRE RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY RIGHT FRONT SEAT AIR BAG ASSEMBLY RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT SIDE AIR BAG SQUIB CIRCUIT SEAT POSITION AIR BAG SENSOR SECOND STEP SELECTABLE FORCE LIMITER SFL- SFR- SL- SPIRAL CABLE SUB-ASSEMBLY SR- W/ STEREO COMPONENT AMPLIFIER WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE BSW BUCKLE SWITCH RIGHT FRONT SEAT INNER BELT ASSEMBLY CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 DIA ECU-B FUSE ENGINE ROOM R/B FSR- PNK BGND WIRE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B LED LEFT CURTAIN SHIELD AIR BAG ASSEMBLY LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT REAR OCCUPANT CLASSIFICATION SENSOR LT BLU WIRE LT GRN WIRE OCCUPANT DETECTION ECU PNK WIRE RED WIRE RIGHT FRONT OCCUPANT CLASSIFICATION SENSOR RIGHT REAR OCCUPANT CLASSIFICATION SENSOR SGD SIG SVC TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE