Toyota Prius Plug-in (2012-2014) ecu-acc fuse Wiring diagrams

2 3 PR 20 22 13 14 CLTB CLTE CANL CANH 6 3 1 CLTE CLTB NSHA A/C AMPLIFIER ASSEMBLY (BEHIND CENTER OF DASH) A/C EVAPORATOR TEMPERATURE SENSOR A/C BLOWER ASSEMBLY (BEHIND CENTER OF DASH) A/C CONTROL ASSEMBLY A/C PRESSURE SENSOR (RIGHT REAR OF ENGINE COMPT) A/C SOLAR SENSOR AMBIENT TEMPERATURE SENSOR (BEHIND CENTER OF FRONT BUMPER) AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE BLW BRN WIRE BUS G BUS B BUS SGA TEA CANH CANL SG-2 GND ECOS COMPT) COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (RED) WIRE DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX) DAMPER SERVO MOTOR (AIR VENT MODE) DEFOGGER SYSTEM ECO MODE SWITCH ECU ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE END OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE FUSE GRN WIRE HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED IG BECU IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION CONTROL, PANEL ASSEMBLY J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) 1 2 3 4 5 6 7 8 MAIN BODY ECU (BEHIND LEFT END OF DASH) ORG/ WIRE PNK PVSW SSLR IDH WIRE PNK WIRE PRE RDEF RED WIRE RELAY ENERGIZED RELAY ENERGIZED INSTRUMENT PANEL J/B A/C (BEHIND FUSE LEFT END OF DASH) TAM TS SG-1 TX+ SWO REAR WINDOW DEFOGGER SWITCH IG+ ILL+ ILL- GND 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

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

1 2 3 4 5 6 7 8 9 10 FR+ FL+ 5 6 PNK WIRE ADPG VAR+ VA- VAL+ BLK WIRE BLU WIRE BRN WIRE CANH CANL AGND COMPUTER DATA LINES SYSTEM EAU ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B FR- FL- GND FUSE P/I 2 GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START GAUGE FUSE HOT IN ON OR START INSTRUMENT PANEL J/B IGN (BEHIND LEFT FUSE END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) J/C LT BLU WIRE MACC MIN+ MAIN ANTENNA MICRO COMPUTER MODE NAVIGATION RECEIVER ASSEMBLY NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK SWG WIRE PNK WIRE RAD 1 FUSE RED WIRE SEEK SPD SGND MIN- SPIRAL CABLE SUB-ASSEMBLY (ON STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 TOUCH SENSOR VIO WIRE VOICE VOLUME- W/O SAFETY CONNECT WHT WIRE YEL WIRE

ADPG VAR+ VA- VAL+ BLK WIRE BLU WIRE CANH CANL AGND CB+ CGND CGND V- COMPUTER DATA LINES SYSTEM CV+ EAU ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B FUSE P/I 2 GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START GAUGE FUSE HOT IN ON OR START INSTRUMENT PANEL J/B IGN (BEHIND LEFT FUSE END OF DASH) 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) J/C LT BLU WIRE MACC MIN+ MAIN ANTENNA MICRO COMPUTER MODE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PARKING BRAKE SWITCH PKB CA+ V+ PNK SWG WIRE PNK WIRE RAD 1 FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE SEEK SPD SGND MIN- SPIRAL CABLE SUB-ASSEMBLY (ON STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 TOUCH SENSOR VIO WIRE VOICE VOLUME- W/O SAFETY CONNECT WHT WIRE YEL WIRE

ACCD ANTI-LOCK BRAKES, ENGINE CONTROLS SYSTEMS BK/DR RELAY BLK WIRE BLU WIRE BRN WIRE CENTER POWER OUTLET SOCKET ASSEMBLY CIG FUSE COMPUTER DATA LINES SYSTEM D FR DOOR FUSE DOOR LOCKS, POWER WINDOWS SYSTEMS DOOR R/L FUSE DOOR R/R FUSE ECU-ACC FUSE ENGINE CONTROLS, INSTRUMENT CLUSTER SYSTEMS EXTERIOR LIGHTS, ANTI-LOCK BRAKES SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FR FOG RELAY FR FOG DOOR 1 FUSE FUSE FROM ENGINE ROOM J/B (DIAGRAM 1 OF 3) GRN WIRE GRY WIRE IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END MAIN BODY D/L SOURCE ECU RELAY MAIN BODY ECU MAIN BODY ECU TRLY MET FUSE OBD FUSE OF DASH) ORG/ WIRE P FR DOOR FUSE P/POINT RELAY PANEL FUSE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER OUTLET SOCKET ASSEMBLY POWER TOPS SYSTEM POWER WINDOWS SYSTEM PSB FUSE PWR OUTLET FUSE PWR SEAT FL FUSE RED WIRE RELAY RELAY (DIAGRAM 2 OF 3) S/ROOF FUSE SEATS SYSTEM SOUND, NAVIGATION, MIRRORS SYSTEMS STOP FUSE SUPPLEMENTAL RESTRAINTS SYSTEM TAIL FUSE TAIL RELAY WHT WIRE WHT/BLK WIRE

3 MH 5 MV M+ BLK WIRE BLU WIRE DEFOGGER SYSTEM DOWN ECU-ACC FUSE GRN WIRE GRY WIRE HL- HL+ HOT W/ ACC RELAY ENERGIZED HR+ HR- INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) LEFT LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT GRN WIRE MH M+ MV MIRROR HEATER OPERATION SWITCH OUTER MIRROR SWITCH ASSEMBLY RED WIRE RIGHT RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SELECT SWITCH UP (+) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 +B SPI+ SPI- 25 26 27 28 29 30 31 32 33 34 35 36 37 38 PNK SIL SIG- WIRE 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 SPO+ SPO- 9 3 3 9 FR+ FR- BACKUP BATTERY (MAYDAY BATTERY) (BEHIND CENTER OF DASH) BBI+ BBO- BLK WIRE BLU WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) (BEHIND CENTER OF DASH) ECU-ACC FUSE ECU-B ROOM R/B FUSE (LEFT SIDE OF ENGINE COMPT) ENGINE GPS ANTENNA GRN WIRE GRY WIRE GSW HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B GAUGE (BEHIND LEFT FUSE END OF DASH) INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY 1 J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MACC MAP LIGHT ASSEMBLY MAYDAY FUSE MCO- MICROPHONE, MICROPHONE AMPLIFIER MIN MUTE MCO+ MCO- NCA WIRE ORG/ WIRE PNK WIRE RED WIRE SGND SGND MCVD MCI+ MCI- SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SLED SLED SPDP SOS STEREO COMPONENT AMPLIFIER SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE ANTENNA TMUT VIO WIRE W/ NAVIGATION W/O NAVIGATION W/O SLIDING ROOF W/ SLIDING ROOF WHT WIRE WHT/BLK WIRE YEL WIRE