Toyota Highlander III facelift (2016-2019) computer data lines system Wiring diagrams

BACK DOOR LOCK ASSEMBLY (BOTTOM CENTER OF BACK DOOR) BD+2 BD- BD-2 BDDN BLK WIRE BLU WIRE BRN WIRE BZR CANN CANP CLS COMPUTER DATA LINES SYSTEM COURTESY CTY CTYO DC- DSG DSV ECUB ENGINE ROOM R/B 1 ASSEMBLY FUL GCTY GRN WIRE GRY WIRE HAF HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LATCH) LEFT POWER BACK DOOR UNIT ASSEMBLY SET LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MPX-B 1 FUSE MSW MULTIPLEX NETWORK DOOR ECU OPN ORG/ WIRE OSE OSL OSR PBD FUSE PBDS PNK WIRE POS PPL PPL/VIO WIRE PPL/WHT WIRE PPL/YEL WIRE RED WIRE RELAY ENERGIZED RIGHT POWER BACK DOOR UNIT ASSEMBLY SET SECTOR SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BACK DOOR CONTROL SWITCH BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BLU WIRE BRN WIRE BZR CERTIFICATION ECU (W/ SMART KEY SYSTEM) (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM CSEL DATA GRN WIRE GRY WIRE HYBRID EXCEPT HYBRID LOCK PNK WIRE POWER BACK DOOR WARNING BUZZER RCO RDAM RED WIRE SMART DOOR CONTROL RECEIVER ASSEMBLY W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM WHT WIRE WHT/BLK WIRE

BATT FAN FUSE BATT FAN RELAY BATTERY VOLTAGE SENSOR BLK WIRE BLU WIRE BRN WIRE CENTER BATTERY COOLING BLOWER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 3 FCTL GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGCT RELAY ENERGIZED HYBRID VEHICLE CONTROL ECU ASSEMBLY IGCT IGCT 3 FUSE LEFT "C" PILLAR) LEFT BATTERY COOLING BLOWER ASSEMBLY LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RIGHT BATTERY COOLING BLOWER ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

2.7L 3.5L 3.5L BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU COOLING FAN MOTOR COOLING FAN MOTOR 2 E.F.I. ENGINE COOLANT TEMPERATURE SENSOR ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY FAN 1 FUSE FAN FUSE FAN RELAY 1 HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY PNK WIRE RED WIRE RFC WHT WIRE WHT/BLK WIRE YEL WIRE

BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR BACK FUSE DRIVER DISPLAY ENGINE STOP, START ECU FUEL LID LOCK W/ MOTOR ASSEMBLY FUEL LID OPENER SWITCH FUEL LOCK RELAY GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY LT BLU WIRE METER FUSE PPL/WHT WIRE RED WIRE RELAY ENERGIZED W/ STOP, START SYSTEM W/O STOP, START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

A/C W/PMP FUSE A/C W/PMP RELAY BBC 2 FUSE BBC 3 FUSE BBC FUSE BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM D INJ RELAY EDU FUSE FROM HORN FUSE (DIAGRAM 1 OF 5) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 5) FUEL PMP FUSE FUEL PMP RELAY GRN WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LT GRN WIRE MIRRORS SYSTEM NAVIGATION SYSTEM NAVIGATION, SOUND SYSTEMS P/OUTLET 1 FUSE P/OUTLET 2 FUSE P/OUTLET RELAY 1 P/OUTLET RELAY 2 PNK WIRE RED WIRE ST 2 FUSE ST 2 RELAY STARTING/ CHARGING SYSTEM STARTING/CHARGING, NAVIGATION SYSTEMS USB CHARGER SOCKET 1 USB CHARGER SOCKET 2 W/ STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

A/BAG-IG FUSE A/C FUSE A/C RR FUSE AIR CONDITIONING SYSTEM AIR CONDITIONING, COOLING FANS SYSTEMS ANTI-LOCK BRAKES, ELECTRONIC POWER STEERING SYSTEMS BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR BACK FUSE DOOR BACK RELAY DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS FAN FUSE FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 1 OF 5) FROM ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 1 OF 5) FUEL LOCK RELAY GRN WIRE GRY WIRE HTR FUSE INSTRUMENT CLUSTER SYSTEM INV FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MEMORY SYSTEM MEMORY SYSTEMS METER FUSE MIR HTR FUSE NAVIGATION SYSTEM OBD FUSE ORG/ WIRE P/SEAT (FR) FUSE P/SEAT F/L FUSE P/W (FL) FUSE P/W (FR) FUSE P/W (RL) FUSE P/W (RR) FUSE PBD FUSE PNK WIRE POWER RELAY POWER TOPS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, DEFOGGER, MEMORY SYSTEMS POWER WINDOWS, MEMORY SYSTEMS PPL/GRY WIRE PPL/ORG WIRE PTC HTR 1 FUSE PTC HTR 2 FUSE PTC HTR 3 FUSE RED WIRE SEATS SYSTEM SEATS, MEMORY SYSTEMS SHADE FUSE SHIFT INTERLOCK, ANTI-THEFT SYSTEMS STOP FUSE TO ENGINE ROOM R/B 2 ASSEMBLY (DIAGRAM 3 OF 5) TO P/OUTLET 1 FUSE (DIAGRAM 2 OF 5) TO R/B 5 (DIAGRAM 4 OF 5) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ REAR POWER WINDOW JAM PROTECTION W/O REAR POWER WINDOW JAM PROTECTION W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/O REAR POWER WINDOW JAM PROTECTION WARNING SYSTEMS WARNING, DOOR LOCKS, ANTI-THEFT SYSTEMS WARNING, SUPPLEMENTAL RESTRAINTS SYSTEMS YEL WIRE

AMP 1 FUSE AMP 2 FUSE BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ENGINE CONTROLS SYSTEM ENGINE CONTROLS, INSTRUMENT CLUSTER, TRANSMISSIONS SYSTEMS FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 5) FROM MAYDAY FUSE (DIAGRAM 1 OF 5) GRN WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LT GRN WIRE MIRRORS SYSTEM NAVIGATION, SOUND SYSTEMS P/OUTLET 1 FUSE P/OUTLET 2 FUSE P/OUTLET RELAY 1 P/OUTLET RELAY 2 R/B 2 FUSE RED WIRE S-HORN FUSE USB CHARGER SOCKET 1 USB CHARGER SOCKET 2 WHT WIRE WHT/BLK WIRE

A/BAG-IG FUSE A/C FUSE A/C RR FUSE AIR CONDITIONING SYSTEM AIR CONDITIONING, COOLING FANS SYSTEMS ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR BACK FUSE DOOR BACK RELAY DOOR LOCKS SYSTEM ELECTRONIC POWER STEERING ANTI-LOCK BRAKES SYSTEM FAN-2 FUSE FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 1 OF 5) FROM ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 1 OF 5) FROM S/ROOF FUSE (DIAGRAM 3 OF 5) GRN WIRE GRY WIRE HTR FUSE INSTRUMENT CLUSTER SYSTEM INV FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MEMORY SYSTEMS METER FUSE MIR HTR FUSE OBD FUSE ORG/ WIRE P/SEAT (FR) FUSE P/SEAT F/L FUSE P/W (FL) FUSE P/W (FR) FUSE P/W (RL) FUSE P/W (RR) FUSE PBD FUSE PNK WIRE POWER RELAY POWER TOPS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, DEFOGGER, MEMORY SYSTEMS POWER WINDOWS, MEMORY SYSTEMS PPL/GRY WIRE PPL/ORG WIRE PTC HTR 1 FUSE PTC HTR 2 FUSE PTC HTR 3 FUSE RED WIRE SEATS SYSTEM SEATS, MEMORY SYSTEMS SHADE FUSE SHIFT INTERLOCK SYSTEM SOUND, NAVIGATION SYSTEMS STOP FUSE SUPPLEMENTAL RESTRAINTS, WARNING SYSTEMS TO CERTIFICATION ECU (DIAGRAM 3 OF 5) TO ENGINE ROOM R/B 2 ASSEMBLY (DIAGRAM 3 OF 5) TO P/OUTLET 1 FUSE (DIAGRAM 2 OF 5) TO R/B 5 (DIAGRAM 4 OF 5) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ REAR POWER WINDOW JAM PROTECTION W/O REAR POWER WINDOW JAM PROTECTION WARNING SYSTEMS WHT WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DOWN ECU-ACC FUSE FRCY CANL GRN WIRE GRY WIRE HOT W/ HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE PPL PPL/GRN WIRE RED WIRE RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE