Toyota Prius I facelift (2000-2003) red/yel Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 STP ABS 3 FUSE ABS 2 FUSE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BRAKE ECU (BEHIND LEFT CENTER OF DASH) BRN WIRE BRN/BLK WIRE D/G RR+ RR- EMPS ECU (BEHIND RIGHT END OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (ON LEFT SIDE OF ENGINE COMPT) FR- FR+ FL- FL+ PNK WIRE FSS GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HVI+ HVO- HVI- HVO+ HVO+ RLO HVI- HYBRID VEHICLE CONTROL UNIT (BEHIND RIGHT SIDE OF DASH, FORWARD OF GLOVE BOX HYDRO MOTOR RELAY 1 HYDRO MOTOR RELAY 2 J/C 10 (BEHIND LEFT END OF DASH) J/C 11 (BEHIND LEFT END OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18, 19 (BEHIND RIGHT END OF DASH) LEFT FRONT ABS SPEED SENSOR LEFT REAR ABS SPEED SENSOR LT GRN WIRE LT GRN/RED WIRE MT- SR MTT MT+ ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT ABS SPEED SENSOR RIGHT REAR ABS SPEED SENSOR SFLH PMC SHIELD SLFR SRRH SRRR VCM PH TC TS BRL VIO WIRE VIO/RED WIRE WA RL+ RL- RSS HVO- RRO HVI+ PNK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ABS ABS 1 FUSE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BODY ECU (ON RIGHT SIDE OF INSTRUMENT PANEL J/B) BRAKE FLUID LEVEL WARNING SWITCH (RIGHT REAR OF ENGINE COMPT) BRAKE/ BRN WIRE COMBINATION METER COMPUTER DATA LINES DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) ENGINE ROOM R/B 3 (RIGHT REAR OF ENGINE COMPARTMENT) ABS SOL RELAY GRN WIRE GRN/BLK WIRE GRN/ORN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GUAGE FUSE HOT AT ALL TIMES HOT IN ON AND START HYDRAULIC BOOSTER (ON RIGHT REAR OF ENGINE COMPARTMENT) INSTRUMENT PANEL J/ B (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 1 (LEFT END OF DASH) J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 22 (BEHIND UPPER LEFT SIDE OF DASH) J/C 26 (BEHIND UPPER LEFT CENTER OF DASH) J/C 7 (BELOW RIGHT END OF DASH) LT GRN/RED WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SLA+ ABS 4 FUSE BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BRAKE ACTUATOR (LEFT REAR OF ENGINE COMPARTMENT) BRAKE ECU (BEHIND LEFT CENTER OF DASH) BRAKE WARNING BUZZER (BEHIND LEFT SIDE OF DASH) BS+ ECU-IG FUSE EFR PFR ENGINE ROOM R/B 3 (RIGHT REAR OF ENGINE COMPT) EREG PREG ERR GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON, START IGNITION SWITCH INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/C (BEHIND LEFT END OF DASH) J/C 12 (BEHIND UPPER LEFT CENTER OF DASH) J/C 14 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 14, 15 (BEHIND UPPER RIGHT SIDE OF DASH) LBL LOCK LT GRN WIRE LT GRN/RED WIRE PARKING BRAKE SWITCH PNK SLR+ WIRE PNK WIRE PRR- RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SHIELD STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) VFR VIO WIRE VREG VRR AST SLR- SLA- PL WHT WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 RRD 11 12 13 14 15 16 17 TRLY 12 13 14 15 16 17 18 19 20 KSW 3 15 MPX- MPX+ A/C AMPLIFIER (BEHIND CENTER OF DASH) ACT+ RLD FU+ AIR CONDITIONING SYSTEM INSTRUMENT CLUSTER SYSTEM ANTI-LOCK BRAKES SYSTEM POWER WINDOWS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU BRN/RED WIRE COMBINATION METER DBKL DCTY PKB RLU RCTY LP DEF RELAY DOOR FUSE DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS POWER WINDOWS SYSTEM INSTRUMENT CLUSTER SYSTEM ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT END OF DASH) EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS EXTERIOR LIGHTS, INTERIOR LIGHTS, HEADLIGHTS, WARNING SYSTEMS FLD FLU FUSE GATEWAY ECU (BEHIND UPPER CENTER OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GTX+ GTX- HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HEADLIGHTS, DOOR LOCKS. ANTI-THEFT, WARNING SYSTEMS HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HOT W/LIGHT CONTROL SWITCH IN TAIL OR HEAD POSITION HRLY FU- FUA IND INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 11 (BEHIND LEFT END OF DASH) J/C 12 J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 26 (BEHIND UPPER LEFT CENTER OF DASH) J/C 27 (BEHIND UPPER LEFT CENTER OF DASH) JC-13 JUNCTION CONNECTOR (BEHIND UPPER LEFT CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LUG RX PRG RDA RDY HR BDR PCTY HCTY LCTY MPX+ MPX- LSWP LSR MPX MULTI-DISPLAY OBD II FUSE PKBL PNK/BLU WIRE POWER RELAY POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH RRU SUPPLEMENTAL RESTRAINT, WARNING SYSTEMS TAIL FUSE TRUNK, TAILGATE, FUEL DOORS, ANTI-THEFT, DOOR LOCKS SYSTEMS POWER WINDOWS SYSTEM WARNING SYSTEMS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 8 10 12 13 14 15 16 17 18 19 20 22 23 24 27 28 29 30 31 STP 21 10 16 19 27 28 18 GO SPHV ESTP HTE+ ETH- ETH+ HTE- 22 14 24 16 HVO- HVO+ HVI+ HVI- 5 7 23 EOM IGSW 7 8 10 MREL SPDI GO ACCEL POSITION SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE ECU (BEHIND LEFT CENTER OF DASH) BRN WIRE CCS BTH- BTH+ HTE+ HTB+ COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CRUISE CONTROL SWITCH (COMBINATION SWITCH) DOME FUSE ENGINE CONTROL MODULE (BEHIND RIGHT END OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (ON REAR OF ENGINE COMPT) ETH- ETH+ HTE- HTB- PNK WIRE GAUGE FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START HV FUSE HYBRID VEHICLE CONTROL ECU (BEHIND RIGHT SIDE OF DASH, FORWARD OF GLOVE BOX) IGCT RELAY IGNITION SWITCH INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 1 (LEFT END OF DASH) J/C 11 (BEHIND LEFT END OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18, J/C 19 (BEHIND RIGHT END OF DASH) J/C 2, J/C 3 (BEHIND UPPER LEFT END OF DASH) J/C 22, J/C 23 (BEHIND UPPER LEFT SIDE OF DASH) J/C 24, J/C 25 (BEHIND UPPER LEFT CENTER OF DASH) J/C 27, J/C 28 (BEHIND UPPER LEFT CENTER OF DASH) LOCK LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RES/ SET/ COAST RUN WIRE SPDO ESTP TC STOP FUSE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

5 18 16 10 15 6 CPUB BLU/BLK WIRE BLU/YEL WIRE BRN WIRE CENTER CLUSTER SWITCH DCTY LSWD KUL KL DIODE (DOOR COURTESY) (BEHIND LEFT END OF DASH, ABOVE INSTRUMENT PANEL J/B) GRN WIRE GRN/YEL WIRE IMMOBILIZER CIRCUIT INSTRUMENT PANEL J/B J/C 11 (BEHIND LEFT END OF DASH) J/C 12, J/C 13 (BEHIND UPPER LEFT CENTER OF DASH) J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18, J/C 19 (BEHIND RIGHT END OF DASH) J/C 24 (BEHIND UPPER LEFT CENTER OF DASH) J/C 24, J/C 25 (BEHIND UPPER LEFT CENTER OF DASH) J/C 27, J/C 28 (BEHIND UPPER LEFT CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK UNIT LEFT REAR DOOR COURTESY SWITCH LOCK LT GRN/BLK WIRE POWER WINDOW MASTER SWITCH RADIO, PLAYER RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK UNIT RIGHT REAR DOOR COURTESY SWITCH UNLK WHT WIRE WHT/BLK WIRE YEL WIRE

+B DIM IND H-LP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DRL BLK WIRE BLU WIRE BLU/ORG WIRE BODY ECU (RIGHT SIDE OF INSTRUMENT PANEL J/B) BRN WIRE COMBINATION METER COMBINATION SWITCH DAYTIME RUNNING LIGHT RELAY (BEHIND UPPER LEFT SIDE OF DASH) DIM RELAY DIMMER SWITCH DIODE (DRL) (BEHIND RIGHT END OF DASH) DOME FUSE DRL FUSE DRL RELAY ECU-B FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE HEAD FUSE HEAD HI (LH) HEAD HI (RH) HEAD INDICATOR HEAD LO (LH) HEAD LO (RH) HEAD RELAY HI CHG- HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ON OR START INSTRUMNET PANEL J/B (BEHIND LEFT END OF DASH) J/C 1 (BEHIND LEFT END OF DASH) J/C 11 (BEHIND LEFT END OF DASH) J/C 12, J/C 13 (BEHIND UPPER LEFT CENTER OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT CENTER OF DASH) J/C 27, J/C 28 (BEHIND UPPER LEFT CENTER OF DASH) LEFT HEADLIGHT LIGHT CONTROL SWITCH LOW LOW FLASH FLASH OFF HEAD ORG/ WIRE PARKING BRAKE SWITCH HIGH HIGH PKB IG RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLIGHT TAIL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

+B FL- AUO- 1 2 3 4 5 6 7 8 9 10 VR 10 9 TX- TX+ 2 6 PNK FL+ FL- WIRE 5 12 GTX+ GTX- 7 8 TX+ TX- BACK-UP LIGHT RELAY (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAIDED VG BRN WIRE CENTER CLUSTER SWITCH COMBINATION METER DATA LINK CONNECTOR 3 (LEFT SIDE OF DASH) DOME FUSE ECU-IG FUSE ENGINE ROOM J/B (LEFT SIDE OF ENG COMPT) FUSE GATEWAY ECU (BEHIND UPPER CENTER OF DASH) GAUGE FUSE GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 12, J/C 13 (BEHIND UPPER LEFT CENTER OF DASH) J/C 14 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 21 (BEHIND RIGHT END OF DASH) J/C 24, J/C 25 (UPPER LEFT CENTER OF DASH) J/C 26 (BEHIND UPPER LEFT CENTER OF DASH) J/C 27 (UPPER LEFT CENTER OF DASH) J/C 27, J/C 28 (UPPER LEFT CENTER OF DASH) LEFT FRONT DOOR SPEAKER MULTI-DISPLAY NAVIGATION ECU (BASE OF LEFT C PILLAR) PARKING BRAKE SWITCH (BASE OF PARK BRAKE LEVER) PKB TC PNK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 FL+ AUO+ WIRE PNK WIRE PNK/BLK WIRE RADIO, PLAYER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE REV SYNC TX+ VG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

ACT AMBIENT TEMPERATURE SENSOR (BEHIND LEFT FRONT BUMPER) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE CCV HCLS COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND RIGHT END OF DASH) ESTP ETH- ETH+ PNK WIRE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HCC GO PTNK TAM HEATED OXYGEN SENSOR (BANK 1, SENSOR 2) (BELOW VEHICLE, ON EXHAUST) HOT IN ON OR START HTE- INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) GAUGE FUSE J/C 16 (UPPER RIGHT SIDE OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 22 (UPPER LEFT SIDE OF DASH) J/C 26 (UPPER LEFT CENTER OF DASH) J/C 22, J/C 23 (UPPER LEFT SIDE OF DASH) A/C AMPLIFIER J/C 27, J/C 28 (UPPER LEFT CENTER OF DASH) LT GRN WIRE MALFUNCTION INDICATOR LAMP NCA WIRE NEO ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RED/YEL WIRE SIL SPHV TBP VIO/WHT WIRE VSV (HC ABSORBER, CATALYST SYSTEM (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

2 3 PNK WIRE A/C AMPLIFIER ACCELERATOR POSITION SENSOR (BEHIND UPPER LEFT SIDE OF DASH) AIRBAG SENSOR ASSEMBLY AMD BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE ECU (BEHIND CENTER OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CCS BTH- BTH+ HTE+ HTB+ SIL DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DC/DC FUSE DC/DC-S FUSE DTH- DTH+ HTD- GSFT ENGINE CONTROL MODULE (RIGHT END OF DASH) FUSIBLE LINK BLOCK 1 (LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK BLOCK 2 (BEHIND LEFT REAR WHEELWELL) GB ETH- ETH+ HTE- HTB- GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HAO HAI SFT VSFT HOT AT ALL TIMES HTD+ ABFS ILK EOM HYBRID VEHICLE CONTROL ECU (BEHIND RIGHT SIDE OF DASH, FORWARD OF GLOVE BOX) IDH NODD IGCT J/C 16 (RIGHT SIDE OF DASH) J/C 17 (RIGHT SIDE OF DASH) J/C 18, J/C 19 (RIGHT END OF DASH) J/C 21 (RIGHT END OF DASH) J/C 22, J/C 23 (LEFT SIDE OF DASH) J/C 26 (LEFT CENTER OF DASH) LT GRN WIRE LT GRN/RED WIRE MCS MCSG MMT MRF MRFG MSN MSNG NCA WIRE NMTG ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SPDO FCVC ESTP WFSE TC TRANSPONDER KEY COMPUTER (UPPER LEFT SIDE OF DASH) VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE