Toyota Prius Plug-in (2012-2014) left headlight assembly Wiring diagrams

+ECU ASSEMBLY BLK WIRE BLU WIRE BRN WIRE ECU-IG EL ER EXCEPT LED TYPE EXCEPT LED TYPE LED TYPE FUSE GRN WIRE HAZARD SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION CONTROL, PANEL ASSEMBLY J/B 3 (BEHIND LEFT SIDE OF DASH) 1 2 3 4 5 6 7 8 IG LR LL LEFT LEFT FRONT TURN SIGNAL LIGHT LEFT HEADLIGHT ASSEMBLY LRCY FRCY FLCY GND BCTY MAIN BODY ECU MARKER OFF ORG/ WIRE PARKING PNK WIRE RIGHT FRONT TURN SIGNAL LIGHT RIGHT HEADLIGHT RIGHT HEADLIGHT ASSEMBLY TAIL BECU TAIL FUSE TAIL LIGHT CONTROL SWITCH HEAD AUTO TAIL RELAY TURN SIGNAL FLASHER (BEHIND LEFT END OF DASH) TURN SWITCH RIGHT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+ECU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IG 11 12 13 PNK WIRE 3 2 1 LHIG LH T LH E 3 2 1 PNK SHB SHRR SHG WIRE 3 2 1 RHIG RH T RH E 7 8 PNK SIL LVL WIRE BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY DLC 3 (UNDER LEFT SIDE OF DASH) ECU- IG 1 FUSE ENGINE ROOM J/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE LEFT FUSE END OF DASH) GND 2 GRN WIRE HDLP HEAD HEADLAMP DIMMER SWITCH ASSEMBLY HEADLIGHT HEADLIGHT LEVELING ECU (BEHIND RIGHT END OF DASH) HL 4 HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG 1 INIT WNG INSTRUMENT PANEL J/B (BEHIND INTEGRATION RELAY J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LEVELING LIGHT CONTROL SWITCH AUTO LT BLU WIRE LT GRN WIRE MAIN BODY ECU MOTOR P/I 2 FUSE PNK WIRE PRST SPDR RHT LHT SHRL RED WIRE RH LH RH+ LH+ SBR RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY SGR TAIL OFF VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 HLOR DRLS BLK WIRE BLU WIRE BRN WIRE CAN I.C COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRL RELAY ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EXCEPT LED TYPE FUSE H-LP HI MAIN FUSE H-LP LH-HI H-LP RH HI FUSE HLOL +B HOT AT ALL TIMES J/C LED DRIVER MODULE LED TYPE EXCEPT LED TYPE LEFT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY (LED TYPE) LOW (LED) LT GRN WIRE P/I 2 FUSE PARKING BRAKE SWITCH PNK WIRE RED WIRE RIGHT FOG LIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY (LED TYPE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I.C COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIM RELAY DISPLAY DRL DRL FUSE DRL RELAY ECU-B FUSE ENGINE ROOM R/B EXCEPT LED TYPE FUSE GRN WIRE H-LP HI MAIN FUSE H-LP LH-HI H-LP RH HI FUSE HOT AT ALL TIMES J/C LED DRIVER MODULE LED TYPE EXCEPT LED TYPE LEFT FOG LIGHT ASSEMBLY LEFT FRONT TURN SIGNAL LIGHT LEFT HEADLIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY (LED TYPE) LOW (LED) LT GRN WIRE P/I 2 FUSE PARKING BRAKE SWITCH PNK WIRE RED WIRE RIGHT FOG LIGHT ASSEMBLY RIGHT FRONT TURN SIGNAL LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY (LED TYPE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE