Wiring Diagrams for Toyota Prius I facelift (2000-2003)

Automatic a/c circuit

Anti-lock brake circuits

Forced entry circuit Immobilizer circuit

Body computer circuits

Computer data lines

Cooling fan circuit

Cruise control circuit

Defogger circuit

Electronic power steering circuit

Wiring diagram engine performance 1.5l, engine controls circuit Wiring diagram engine performance hybrid system circuit

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlight circuit, with drl Headlight circuit, without drl

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Navigation circuit

Passive restraint circuit

Power distribution circuit

Power door lock circuit

Power mirror circuit

Power window circuit

Radio circuits

Shift interlock circuit

Supplemental restraint circuit

Warning system circuits

Wiper/washer circuit

A/C AMPLIFIER ANTI-LOCK BRAKES SYSTEM POWER WINDOWS SYSTEM HORN (LEFT FRONT IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 4 LOCK MGC PSW

BATTERY MOTOR BLOWER CONTROLLER BLOWER MOTOR LINEAR CONTROLLER ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM, ABS SYSTEM, SUPPLEMENTAL RESTRAINTS SYSTEM ENGINE CONTROLS SYSTEM, WARNING SYSTEMS, ABS SYSTEM, INSTRUMENT CLUSTER SYSTEM ENGINE ROOM J/B ENGINE ROOM R/B 2 ENGINE ROOM R/B 3 LEFT FRONT POWER WINDOW MOTOR LEFT REAR POWER WINDOW MOTOR RADIATOR FAN MOTOR RIGHT FRONT POWER WINDOW MOTOR RIGHT REAR POWER WINDOW MOTOR

DATA LINK CONNECTOR 3

ENGINE CONTROL MODULE

BATTERY ECU BODY ECU BRAKE ECU ECU- IG FUSE WASHER FUSE ECU-B FUSE ECU-IG FUSE EMPS ECU GATEWAY ECU HYBRID VEHICLE CONTROL ECU HYBRID VEHICLE CONTROL UNIT (BEHIND RIGHT SIDE OF DASH, FORWARD OF GLOVE BOX LEFT FRONT DOOR LOCK UNIT LEFT REAR DOOR LOCK UNIT NAVIGATION ECU RIGHT FRONT DOOR LOCK UNIT RIGHT FRONT DOOR LOCK UNIT TURN SIGNAL FLASHER RELAY TURN SIGNAL SWITCH RIGHT REAR DOOR LOCK UNIT RIGHT REAR DOOR LOCK UNIT RIGHT FRONT POWER WINDOW CONTROL SWITCH SHIFT LOCK ECU SRS STOP FUSE ECU- OBDII FUSE FUSE FUSE FUSE

ABS 1 FUSE ABS 2 FUSE ABS 3 FUSE ABS 3 FUSE ABS 2 FUSE ABS 4 FUSE BATT FAN FUSE BATT FAN FUSE FUSE CDS FAN FUSE CIG FUSE FUSE DC/DC FUSE DC/DC-S FUSE DEF FUSE DOME FUSE DOOR FUSE DOOR FUSE DEF FUSE DRL FUSE EFI FUSE EMPS FUSE GAUGE FUSE GUAGE FUSE HEAD FUSE HORN FUSE HORN FUSE TURN- HAZ FUSE HTR 2 FUSE HTR 1 FUSE HTR 3 FUSE HTR FUSE HTR FUSE GAUGE FUSE HV FUSE HV FUSE HEAD FUSE FUSE LH HEAD FUSE LH HI HEAD FUSE LH LO HEAD FUSE RH HI HEAD FUSE MAIN FUSE OBD II FUSE OBDII FUSE PANEL FUSE POWER FUSE RDI FUSE RH HEAD FUSE RH LO HEAD FUSE SRS-ACC FUSE STOP FUSE TAIL FUSE TAIL FUSE PANEL FUSE THRO FUSE TURN, HAZ FUSE WASHER FUSE WIPER FUSE

LEFT HEADLIGHT RIGHT HEADLIGHT

PTC HEATER

HEAD INDICATOR HIGH BEAM INDICATOR MALFUNCTION INDICATOR LAMP TURN SIGNAL INDICATOR LIGHTS

ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS EXTERIOR LIGHTS, INTERIOR LIGHTS, HEADLIGHTS, WARNING SYSTEMS

FUEL PUMP

A/C W/P RELAY ABS SOL RELAY BATTERY FAN RELAY CIR RELAY CLR MG RELAY DAYTIME RUNNING LIGHT RELAY DEF RELAY DEF RELAY FUSE DIM RELAY DRL RELAY EFI RELAY EMPS RELAY FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY HEAD RELAY HORN RELAY HOT W/ TAIL RELAY ENERGIZED HTR 1 RELAY HTR 2 RELAY HTR 3 RELAY HTR RELAY HTR RELAY EFI RELAY RELAY HYDRO MOTOR RELAY 1 HYDRO MOTOR RELAY 2 IGCT RELAY POWER RELAY SYSTEM MAIN RELAY TAIL RELAY TAILLIGHT RELAY

AIR BAG SENSOR ASSEMBLY AIRBAG SENSOR ASSEMBLY LEFT FRONT ABS SPEED SENSOR LEFT REAR ABS SPEED SENSOR PULSE SENSOR RIGHT BUCKLE SWITCH, SEAT BELT WARNING OCCUPANT DETECTION SENSOR RIGHT FRONT ABS SPEED SENSOR RIGHT REAR ABS SPEED SENSOR

LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER

A/C TRIPLE PRESSURE SWITCH BRAKE FLUID LEVEL WARNING SWITCH RIGHT FRONT TURN SIGNAL LIGHT CENTER CLUSTER SWITCH COMBINATION SWITCH COMBINATION SWITCH TAIL CRUISE CONTROL SWITCH DIMMER SWITCH ENGINE HOOD COURTESY SWITCH FRONT WIPER MOTOR FRONT WASHER SWITCH FRONT WIPER SWITCH FRONT WIPER/ WASHER SWITCH HAZARD SWITCH HAZARD WARNING SWITCH HAZARD WARNING SWITCH MULTI- DISPLAY HORN SWITCH HOT W/LIGHT CONTROL SWITCH IN TAIL OR HEAD POSITION IGNITION SWITCH LEFT BUCKLE SWITCH LEFT BUCKLE SWITCH, TENSION REDUCER LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT POWER WINDOW CONTROL SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LEFT REAR POWER WINDOW CONTROL SWITCH LIGHT CONTROL SWITCH LIMIT SWITCH LOCK SHIFT LOCK CONTROL SWITCH LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH LUGGAGE COMPARTMENT DOOR UNLOCK SWITCH LUGGAGE COMPARTMENT LIGHT SWITCH ODO/TRIP SWITCH PARK/ NEUTRAL POSITION SWITCH PARKING BRAKE SWITCH PARKING BRAKE SWITCH HIGH HIGH POWER WINDOW MASTER SWITCH REAR WINDOW DEFOGGER SWITCH REMOTE CONTROL MIRROR SWITCH RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT LEFT OPERATION SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW CONTROL SWITCH FUEL PUMP SELECT SWITCH STOP LIGHT SWITCH UNLOCK WARNING SWITCH WATER TEMPER- ATURE SWITCH

KEY INTERLOCK SOLENOID SHIFT LOCK SOLENOID

1 PNK/ WIRE 2 3 PNK WIRE 2 6 PNK FL+ FL- WIRE 9 PNK/ WIRE 10 9 21 TC WFSE SIL PNK WIRE +BM M- M+ PNK WIRE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE ETH- ETH+ HTE- HTB- PNK WIRE ETH- ETH+ PNK WIRE FR- FR+ FL- FL+ PNK WIRE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/ORN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 FL+ AUO+ WIRE PNK 1 2 3 4 WIRE PNK 2 WIRE PNK SLR+ WIRE PNK VUPR WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE VIO WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WA RL+ RL- RSS HVO- RRO HVI+ PNK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN 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 23 24 STP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 GMT MMT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SLA+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DRL 1 2 3 4 5 6 7 8 9 10 11 12 +B IG 1 2 3 4 5 6 7 8 9 10 11 12 SFR- SFR+ 1 2 3 4 5 6 7 8 9 10 11 RRD 1 2 3 4 5 6 7 8 9 10 SIL RLY TC WRR IG 1 2 3 4 5 6 7 8 9 10 VR 1 2 3 4 5 6 7 8 IG LR LL 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 1 2 3 4 5 6 TRQV 1 2 PIG PGND 1 14 10 5 3 RRD RRU RLD RLU DCTY 3 10 4 TC D/G TS 3 15 MPX- MPX+ 5 7 23 EOM IGSW 5 12 GTX+ GTX- 5 18 16 10 15 6 CPUB 6 3 2 RX FLU FLD 6 8 TC SIL 7 8 10 MREL SPDI GO 7 8 TX+ TX- 9 3 1 TS TC SIL 9 10 HAO HAI 10 9 TX- TX+ 11 12 13 14 15 16 17 TRLY 12 13 14 15 16 17 18 19 20 KSW 15 16 MPX+ MPX- 19 12 3 TC SIL LA 21 10 16 19 27 28 18 GO SPHV ESTP HTE+ ETH- ETH+ HTE- 22 14 24 16 HVO- HVO+ HVI+ HVI- 23 15 RRO RLO +B DIM IND H-LP +B FL- AUO- +SR P+ P- SIL D- D+ +SL ABS IND. ABS SYSTEM ACC+B ACT+ RLD FU+ AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM INSTRUMENT CLUSTER SYSTEM AMH AMC SGTP TP ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS ASHTRAY ILLUMINATION AUI- AUO- BACK- UP LIGHT BRAIDED VG BRAKE IND BS+ BSET TSET MSET BU+B BUSBAR MODULE CCS BTH- BTH+ HTE+ HTB+ CCV HCLS CHARGE IND CIGARETTE LIGHTER CIGARETTE LIGHTER ILLUMINATION COMBINATION METER COMBINATION METER DOOR IND COMBINATION METER MPX+ COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONN A CONN B COOLING FANS SYSTEM FAN CRUISE CONTROL SYSTEM CCS BTH- BTH+ HTE+ HTB+ SIL CRUISE IND D/G RR+ RR- DCTY LSWD KUL KL DCTY PKB RLU RCTY LP DOOR IND DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS POWER WINDOWS SYSTEM INSTRUMENT CLUSTER SYSTEM DTH- DTH+ HTD- GSFT EFR PFR EL ER ELECTRONIC POWER STEERING SYSTEM EREG PREG ESL SSL+ LBE+ SSL- F/R LED RDEF F/R SW RDEF FC VG FLD FLU FORCED ENTRY CIRCUIT FU+ FUEL INJECTOR 3 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL SENDER G-FINV G-GINV G-INVT G-IVA G-IVB G-IWA G-IWB G-SDN G-SINV G-UU G-VU G-WU GB ETH- ETH+ HTE- HTB- GFIV MIWA MIVG GIVG GIWA GMTG NMTG GRF GSNG GCSG MSN MCS GND B+ GRFG MRFG MRF MSNG MCSG GROUND DISTRIBUTION SYSTEM GSN GCS GTX+ GTX- HAO HAI SFT VSFT HCC GO PTNK TAM HEAD IND HEAD LH HEAD OFF TAIL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HEADLIGHTS, DOOR LOCKS. ANTI-THEFT, WARNING SYSTEMS HI CHG- HIGH BEAM IND HIGH MOUNTED STOP LIGHT HIGH MOUNTED STOP LIGHT LEFT LICENSE PLATE LIGHT HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ACC OR RUN HOT IN ON AND START HOT IN ON OR ACC HOT IN ON OR START HOT IN ON, START HOT IN RUN OR START HRLY FU- FUA HTD+ ABFS ILK EOM HTE- HVI+ HVO- HVI- HVO+ HVO+ RLO HVI- HYDRAULIC BOOSTER IDH MPX+ IDH NODD IGCT IG CPUB IMMOBILIZER CIRCUIT IND CTY KSW HEVC INSTRUMENT CLUSTER INSTRUMENT PANEL J/B INT TIME INTERIOR LIGHT) J/C 11 J/C 12 J/C 12, J/C 13 J/C 14, J/C 15 J/C 22 J/C 24 J/C 27, J/C 28 J/C 28 J/C 33 JC-13 JC-23 KLS+ LEFT "C" PILLAR) LEFT FRONT PARKING LIGHT LEFT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT SIDE MARKER LIGHT RIGHT FRONT PARKING LIGHT LEFT FRONT TURN SIGNAL LIGHT LEFT LICENSE PLATE LIGHT LEFT REAR COMBIN- ATION LIGHT LEFT REAR COMBINATION LIGHT LEFT REMOTE CONTROL MIRROR LEFT RIGHT LEFT/ RIGHT UP/ DOWN LIGHT CONTROL RHEOSTAT LIGHT CONTROL RHEOSTAT ILL- LOW FLASH LOW LOW FLASH FLASH LUG RX PRG RDA RDY HR BDR PCTY HCTY LCTY MPX+ MPX- LSWP LSR LUGGAGE COMPARTMENT LIGHT M-FINV M-GINV M-INVT M-IVA M-IVB M-IWA M-IWB M-SDN M-SINV M-UU M-VU M-WU MALFUNCTION IND MIT GSDN MSDN MFIV GSIV MIVA MIWB GIWB GIVA VB MSIV MREL SPDI MT- SR MTT MT+ MULTI-DISPLAY NE+ OCV+ OCV- IGF OFF HEAD OIL IND OUTPUT CONTROL OUTPUT CONTROL IND PERSONAL LIGHT PIG A/C PKB IG PKB TC PKBL DBKL PL- PL+ POWER MAIN POWER WINDOWS SYSTEM PR+ PR- SSR- RBE+ SSR+ ESR PRR- RADIO, PLAYER REAR WINDOW DEFOGGER AND NOISE FILTER RES/ SET/ COAST RF CF WP NE ACT HTRO RH LH RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT LEFT RIGHT LICENSE PLATE LIGHT RIGHT REAR COMBIN- ATION LIGHT RIGHT REAR COMBINATION LIGHT RIGHT REMOTE CONTROL MIRROR RIGHT TURN IND SERVICE PLUG SFL+ SFL- VUPL SFLH PMC SGND PLS LMT SHORT PIN SINGLE DUAL SL- SLFR SRRH SRRR VCM PH SLS+ SLS- SOLID STATE SPD SPD SPDO ESTP TC SPDO FCVC ESTP WFSE TC SPHV TBP SPIRAL CABLE SRS IND LEFT TURN IND SRS WARNING LIGHT SUPPLEMENTAL RESTRAINT, WARNING SYSTEMS SW RDEF TAIL STOP TC -SR TC TS BRL TE SGTE SGTR TR TS THA VTA NE- TPI SGTPI AIR AIF TPM SGTPM AOF AOD TRANSPONDER KEY COMPUTER TRUNK, TAILGATE, FUEL DOORS, ANTI-THEFT, DOOR LOCKS SYSTEMS POWER WINDOWS SYSTEM TS WRL TX+ VG UP DOWN VC BATT +B #10 #20 VRR AST SLR- SLA- PL W/ DRL W/O NAVIGATION SYSTEM WARNING SYSTEMS WIPER/ WASHER SYSTEM WIRELESS DOOR CONTROL RECEIVER