Toyota Prius III facelift (2011-2015) (behind right end of dash) Wiring diagrams

+ECU 13 22 CANH CANL 13 5 PNK CANH CANL WIRE 3 4 W/O VEHICLE PROXIMITY NOTIFICATION SYSTEM ACT- ACT+ ACTD BECU ALTB IG BLK WIRE BLU WIRE BRN WIRE CANL CANH DRLE CENTER AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) DOOR 1 FUSE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS HEADLIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS INTERIOR LIGHTS SYSTEM DRL FSPT ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ECU- IG 1 FUSE EXTERIOR LIGHTS SYSTEM HAZ EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FRCY LSR TR+ FUSE GRN WIRE GRY WIRE HCTY BZR DIM HEAD TAIL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, POWER TOPS SYSTEMS HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU-B FUSE HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT CLUSTER, ANTI-LOCK BRAKES, HEADLIGHTS SYSTEMS INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) LLEW LSFR BCTY CLTB CLTS CLTE BDSU LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) ORG/ WIRE PKB FFGO SFTP TRLY HRLY 3 4 PNK HEADLIGHTS SYSTEM HU LRCY LSFL HF INTERIOR LIGHTS SYSTEM WIRE PNK PNK WIRE PNK WIRE POWER COMBINATION STEERING ECU METER ASSEMBLY (BEHIND LEFT SIDE OF DASH) POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT RED WIRE RLEW SIDE OF DASH) SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) TRANSMISSION CONTROL ECU (BEHIND RIGHT SIDE OF DASH) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 CANL CANH BACK DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY CTY CTY DOOR DCTY DIODE (BACK DOOR COURTESY LIGHT) DIODE (LEFT FRONT COURTESY LIGHT) DIODE (RIGHT FRONT COURTESY LIGHT) DOOR 1 FUSE DOOR OFF ON ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE FSPT GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B DOME (LEFT SIDE FUSE OF ENGINE COMPT) HOT W/ ACC RELAY ENERGIZED HOT W/ IG 1 RELAY ENERGIZED IG ALTB INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) LEFT "C" PILLAR) LEFT FRONT DOOR COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT FRONT MAP LIGHT SWITCH LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 (IF EQUIPPED) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "C" PILLAR) LEFT VANITY LIGHT ASSEMBLY LEFT VISOR ASSEMBLY LT BLU WIRE MAIN BODY ECU INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) MAP LIGHT ASSEMBLY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "B" PILLAR) RIGHT FRONT MAP LIGHT SWITCH RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 (IF EQUIPPED) RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "C" PILLAR) RIGHT VANITY LIGHT ASSEMBLY RIGHT VISOR ASSEMBLY ROOM LIGHT ASSEMBLY 1 ROOM LIGHT ASSEMBLY 2 VIO WIRE W/O SLIDING ROOF W/ SLIDING ROOF WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 IG DOME FUSE ECU-IG 2 FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) ORG/ WIRE RED WIRE RELAY ENERGIZED WHT/BLK WIRE

ECU-IG 2 FUSE INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) ORG/ WIRE RELAY ENERGIZED WHT/BLK WIRE

14 13 TRLY FFGO SFTP 21 5 LLEW RLEW 25 12 2 4 11 DRL PKB FLCY FRCY 6 19 21 20 22 5 8 30 28 29 27 13 14 LRCY BCTY CLTS CLTB CLTE HU HF TAIL ALTB IG AUTOMATIC LIGHT CONTROL SENSOR (TOP CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTS CLTE CLTB COMPUTER DATA LINES SYSTEM DC/DC FUSE DIMMER SWITCH DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FLASH LOW FLASH LOW HIGH FOG LIGHT LIGHT CONTROL SWITCH SWITCH FR FOG FUSE FR FOG RELAY GAUGE FUSE GRN WIRE HEAD FFOG CANL CANH HEAD TAIL OFF AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HLPL HLPR HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) PNK WIRE RED WIRE TAIL FUSE TAIL RELAY TAIL HEAD OFF AUTO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

12 15 PKB HRLY 14 13 TRLY FFGO 2 4 11 FLCY FRCY 21 5 LLEW RLEW ALTB IG AUTOMATIC LIGHT CONTROL SENSOR (TOP CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTB CLTS CLTE COMPUTER DATA LINES SYSTEM DC/DC FUSE DIMMER SWITCH DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FLASH HIGH LOW FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY GAUGE FUSE GRN WIRE HEAD FFOG CANL CANH DRLE HEAD OFF HEADLIGHT DIMMER SWITCH ASSEMBLY HLPL HLPR HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) PNK WIRE RED WIRE SFTP TAIL TAIL FUSE TAIL RELAY TAIL HEAD OFF AUTO AUTO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 30 CANL CANH TAIL 32 29 31 14 IG ALTB TRLY BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DC/DC FUSE DCM (TELEMATICS TRANSCEIVER) (W/ SAFETY CONNECT SYSTEM) (BEHIND CENTER OF DASH) DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE EL LIGHT CONTROL SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE HEADLIGHT CLEANER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) 5 4 3 LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 (IF EQUIPPED) MAIN BODY ECU MAP LIGHT ASSEMBLY OF DASH) OFF AUTO TAIL HEAD PANEL FUSE PASSENGER SEAT BELT WARNING LIGHT ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY 1 (IF EQUIPPED) SEAT HEATER SWITCH TAIL RELAY VENTILATOR SWITCH W/ SLIDING ROOF W/O SLIDING ROOF WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CCS HITP GND COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DRIVING SUPPORT ECU (BEHIND RIGHT SIDE OF DASH) FRONT WASHER FRONT WIPER SWITCH SWITCH FUSE BLOCK (BEHIND LEFT KICK PANEL) GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY INT LO J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LEFT OFF MIST HI PBSW SPSW PNK WIRE RED WIRE RIGHT STP+ SUPPLEMENTAL RESTRAINTS SYSTEM TURN SWITCH VIO WIRE WASH CCHG WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIP 3 FUSE WIP 4 FUSE WNKR WNKL PNK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BUZZER CAN I.C COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH DISPLAY DISTANCE CONTROL ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HITP HOT AT ALL TIMES HOT IN ON OR START IGB INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LANE RECOGNITION CAMERA SENSOR (CENTER FRONT OF ROOF) LKA LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MODE ON OFF ORG/ WIRE PNK WIRE RED WIRE SGND SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE WIP FUSE YEL WIRE