Toyota Prius I facelift (2000-2003) gateway ecu (behind upper center of dash) Wiring diagrams

BACK- UP LIGHT BACK-UP LIGHT RELAY (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BODY ECU (ON RIGHT SID OF INSTRUMENT PANEL J/B) MPX+ BRN WIRE COMBINATION METER ENGINE CONTROL MODULE (BEHIND RIGHT END OF DASH) GATEWAY ECU (BEHIND UPPER CENTER OF DASH) GAUGE FUSE GRN WIRE GRY WIRE HOT IN RUN OR START HTE- INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/B (BEHIND RIGHT SIDE OF DASH) J/C 11 (BEHIND LEFT END OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (BEHIND RIGHT END OF DASH) J/C 22 (BEHIND UPPER LEFT SIDE OF DASH) J/C 24 (BEHIND UPPER LEFT CENTER OF DASH) J/C 27/28 (BEHIND UPPER LEFT CENTER OF DASH) J/C 30/31 (LEFT REAR OF VEHICLE) J/C 32/33 (ON LEFT REAR OF VEHICLE) LEFT "C" PILLAR) LEFT REAR COMBIN- ATION LIGHT MPX MPX+ A/C AMPLIFIER (BEHIND CENTER OF DASH) NAVIGATION ECU (NEAR BASE OF LEFT "C" PILLAR) NCA WIRE PARK/ NEUTRAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH) RED WIRE RED/BLK WIRE REV RIGHT REAR COMBIN- ATION LIGHT WHT WIRE WHT/BLK WIRE YEL 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

10 9 21 TC WFSE SIL PNK WIRE 19 12 3 TC SIL LA 3 10 4 TC D/G TS 6 8 TC SIL 9 10 HAO HAI 9 3 1 TS TC SIL A/C AMPLIFIER (BEHIND CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (BEHIND LOWER CENTER OF DASH) BATTERY ECU (ABOVE LEFT REAR WHEELWELL) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BODY ECU (ON RIGHT SIDE OF INSTRUMENT PANEL J/B) BRAKE ECU (BEHIND LEFT CENTER OF DASH) BRN WIRE COMBINATION METER DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) EMPS ECU (BEHIND RIGHT END OF DASH) ENGINE CONTROL MODULE (BEHIND RIGHT END OF DASH) GATEWAY ECU (BEHIND UPPER CENTER OF DASH) GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 11 (BEHIND LEFT END OF DASH) J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 22/23 (BEHIND UPPER LEFT SIDE OF DASH) J/C 24 (BEHIND UPPER LEFT CENTER OF DASH) J/C 26 (BEHIND UPPER LEFT CENTER OF DASH) MPX MULTI-DISPLAY OBDII FUSE PNK WIRE PNK/BLK WIRE SIL TRANSPONDER KEY COMPUTER (BEHIND UPPER LEFT SIDE OF DASH) WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/RED 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