Toyota Prius II (2003-2005) body ecu Wiring diagrams

15 16 14 TC SIL LA A/C CONTROL ASSEMBLY AIR BAG SENSOR ASSEMBLY (BEHIND LOWER CENTER OF DASH) BLK (OR WHT) WIRE BLK WIRE BLU WIRE BODY ECU BRN WIRE CENTER CONNECTOR 1 (BEHIND LEFT SIDE OF DASH) CENTER CONNECTOR 2 (BEHIND RIGHT SIDE OF DASH) COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT END OF DASH) EC (AT REAR OF ENGINE) ECU-B FUSE ECU-IG FUSE FUSE GRN WIRE GRY OR WHT WIRE GRY WIRE HEADLIGHT BEAM LEVEL CONTROL ECU (ABOVE RIGHT KICK PANEL) HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED J/C 19 (BEHIND LEFT END OF DASH) LT GRN WIRE MPX MPX+ MPX- MULTI-DISPLAY ODB FUSE ORG/ WIRE PNK PNK PNK PNK PNK WIRE PNK PNK WIRE PNK TC WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) PRST RED WIRE RELAY ENERGIZED SIL SMART KEY ECU (BEHIND LEFT SIDE OF DASH) TRANSMISSION CONTROL ECU (BEHIND RIGHT SIDE OF DASH) TRANSPONDER KEY COMPUTER (BEHIND UPPER LEFT SIDE OF DASH) W/ SMART ENTRY SYSTEM W/O SMART ENTRY SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

BL (NEAR RIGHT "A" PILLAR) BL (NEAR RIGHT ``B" PILLAR) BLK WIRE BLU WIRE BODY ECU BQ (RIGHT REAR OF VEHICLE) BRN WIRE CENTER CONNECTOR 1 (BEHIND COMBINATION METER) CENTER CONNECTOR 2 (RIGHT I/P BRACE) CYLB CYLD CYLP DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DCTY DOOR DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) IH (ABOVE LEFT KICK PANEL) J/C 23 (IN CENTER CONSOLE) J/C 26 (RIGHT REAR OF PASSENGER COMPT) J/C 27 (LEFT SIDE OF PASSENGER COMPT) J/C 28 (BELOW CENTER CONSOLE) J/C 29 (IN RIGHT REAR DOOR) J/C 30 (REAR OF PASSENGER COMPT) J/C 31 (REAR OF PASSENGER COMPT) J/C 33 (NEAR LEFT FRONT ROOF PANEL) LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR UNLOCK DETECTION SWITCH LEFT REAR DOOR COURTESY SWITCH RIGHT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR UNLOCK DETECTION SWITCH LEFT VANITY LIGHT LEFT VANITY LIGHT SWITCH LSWD LSWP LSWR LT GRN WIRE LUGGAGE COMPARTMENT COURTESY SWITCH LUGGAGE COMPARTMENT LIGHT ORG/ WIRE OVERHEAD J/B (FRONT OF ROOF PANEL) PCTY RCTY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR UNLOCK DETECTION SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR UNLOCK DETECTION SWITCH RIGHT VANITY LIGHT RIGHT VANITY LIGHT SWITCH VIO WIRE WHT WIRE YEL WIRE

BACT BL (NEAR RIGHT ``B" PILLAR) BLK WIRE BODY ECU BRN WIRE CENTER CONNECTOR 2 (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SWITCH DOOR CONTROL RECEIVER (RIGHT SIDE OF PASSENGER COMPT) (W/ KEYLESS ENTRY) DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ECU-IG FUSE EE (LEFT REAR OF ENGINE COMPT) EF (LEFT REAR OF ENGINE COMPT) ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH) FLASHER RELAY (EXTERIOR LIGHTS SYSTEM) FUSE GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ ECU-IG RELAY ENERGIZED IH (ABOVE LEFT KICK PANEL) J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 26 (RIGHT REAR OF PASSENGER COMPT) J/C 30 (REAR OF PASSENGER COMPT) KEY SLOT LEFT FRONT BUCKLE SWITCH LOCK LT GRN WIRE LUGGAGE COMPARTMENT COURTESY SWITCH/ LUGGAGE COMPARTMENT DOOR OPENER MOTOR PNK WIRE POWER WINDOWS SYSTEM RED WIRE RIGHT FRONT DOOR LOCK SEC SIG T-LP RELAY (EXTERIOR LIGHTS SYSTEM) THEFT DETERRENT HORN (RIGHT SIDE OF ENGINE COMPT) (W/ KEYLESS ENTRY) UNLK VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE

10 4 1 PNK WIRE BL (NEAR RIGHT ``B" PILLAR) BLU WIRE BO (RIGHT REAR OF VEHICLE) BODY ECU BQ (RIGHT REAR OF VEHICLE) BRN WIRE CYLD DBKL DCTY DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) DOME FUSE GRN WIRE HORNS SYSTEM (W/ KEYLESS ENTRY) HOT AT ALL TIMES IH (ABOVE LEFT KICK PANEL) J/C 22 (ABOVE LEFT KICK PANEL) J/C 24 (BEHIND LEFT END OF DASH) J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 26 (RIGHT REAR OF PASSENGER COMPT) J/C 27 (LEFT SIDE OF PASSENGER COMPT) J/C 28 (BELOW CENTER CONSOLE) J/C 29 (IN RIGHT REAR DOOR) J/C 32 (RIGHT REAR OF VEHICLE) J/C 34 (IN REAR OF VEHICLE) J/C 6 (BEHIND RIGHT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LSWD LSWP LSWR LT GRN WIRE LUGGAGE COMPARTMENT DOOR OPENER SWITCH ORG/ WIRE PCTY PNK PNK WIRE PNK WIRE RCTY RED WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH VIO WIRE W/ KEYLESS ENTRY WHT/BLK WIRE YEL WIRE

BACT BL (NEAR RIGHT ``B" PILLAR) BLK WIRE BLU WIRE BODY ECU BRN WIRE CENTER CONNECTOR 2 (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SWITCH DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ECU-IG FUSE EE (LEFT REAR OF ENGINE COMPT) EF (LEFT REAR OF ENGINE COMPT) ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH) FLASHER RELAY (EXTERIOR LIGHTS SYSTEM) FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ ECU-IG RELAY ENERGIZED IH (ABOVE LEFT KICK PANEL) J/C 24 (BEHIND LEFT END OF DASH) J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 26 (RIGHT REAR OF PASSENGER COMPT) J/C 27 (LEFT SIDE OF PASSENGER COMPT) J/C 30 (REAR OF PASSENGER COMPT) LEFT FRONT BUCKLE SWITCH LOCK LT GRN WIRE LUGGAGE COMPARTMENT COURTESY SWITCH/ LUGGAGE COMPARTMENT DOOR OPENER MOTOR ORG/ WIRE PNK WIRE POWER WINDOWS SYSTEM RED (OR PNK) WIRE RED WIRE RIGHT FRONT DOOR LOCK SEC SIG T-LP RELAY (EXTERIOR LIGHTS SYSTEM) THEFT DETERRENT HORN (RIGHT SIDE OF ENGINE COMPT) (W/ KEYLESS ENTRY) UNLK VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE

10 4 1 PNK WIRE BL (NEAR RIGHT ``B" PILLAR) BLK WIRE BLU WIRE BO (RIGHT REAR OF VEHICLE) BODY ECU BQ (RIGHT REAR OF VEHICLE) BRN WIRE CYLD DBKL DCTY DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) DOME FUSE GRN WIRE HORNS SYSTEM (W/ KEYLESS ENTRY) HOT AT ALL TIMES IH (ABOVE LEFT KICK PANEL) J/C 22 (ABOVE LEFT KICK PANEL) J/C 24 (BEHIND LEFT END OF DASH) J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 26 (RIGHT REAR OF PASSENGER COMPT) J/C 27 (LEFT SIDE OF PASSENGER COMPT) J/C 28 (BELOW CENTER CONSOLE) J/C 29 (IN RIGHT REAR DOOR) J/C 32 (RIGHT REAR OF VEHICLE) J/C 34 (IN REAR OF VEHICLE) J/C 6 (BEHIND RIGHT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LSWD LSWP LSWR LT GRN WIRE LUGGAGE COMPARTMENT DOOR OPENER SWITCH ORG/ WIRE PCTY PNK PNK WIRE PNK WIRE RCTY RED (OR PNK) WIRE RED WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BACT BL (NEAR RIGHT ``B" PILLAR) BLK WIRE BLU (OR WHT/ WIRE BLU WIRE BODY ECU BRN WIRE CENTER CONNECTOR 2 (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT SIDE OF PASSENGER COMPT) (W/O SMART ENTRY) DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ECU-B FUSE ECU-IG FUSE EF (LEFT REAR OF ENGINE COMPT) ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH) FLASHER RELAY (EXTERIOR LIGHTS SYSTEM) FUSE GBS GRN (OR BLK) WIRE GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ ECU-IG RELAY ENERGIZED IH (ABOVE LEFT KICK PANEL) J/C 20, 21 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 23 (IN CENTER CONSOLE) J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 30 (REAR OF PASSENGER COMPT) J/C 9 (BEHIND LEFT END OF DASH) LT GRN WIRE LUGGAGE COMPARTMENT COURTESY SWITCH/ LUGGAGE COMPARTMENT DOOR OPENER MOTOR ORG/ WIRE PNK WIRE RED WIRE SEC SIG SMART KEY ECU (BEHIND LEFT SIDE OF DASH) (W/ SMART ENTRY) T-LP RELAY (EXTERIOR LIGHTS SYSTEM) THEFT DETERRENT HORN (RIGHT SIDE OF ENGINE COMPT) VIO WIRE W/O SMART ENTRY WHT WIRE WHT/BLK WIRE YEL WIRE

BEAN IC BL (NEAR RIGHT ``B" PILLAR) BLK WIRE BODY ECU BQ (RIGHT REAR OF VEHICLE) BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) DOME FUSE GRN WIRE GRY WIRE HORNS SYSTEM HOT AT ALL TIMES IH (ABOVE LEFT KICK PANEL) J/C 22 (ABOVE LEFT KICK PANEL) J/C 24 (BEHIND LEFT END OF DASH) J/C 25 (BEHIND RIGHT SIDE OF DASH) J/C 26 (RIGHT REAR OF PASSENGER COMPT) J/C 27 (LEFT SIDE OF PASSENGER COMPT) J/C 28 (BELOW CENTER CONSOLE) J/C 29 (IN RIGHT REAR DOOR) J/C 32 (RIGHT REAR OF VEHICLE) J/C 6 (BEHIND RIGHT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH LSWD LSWP LSWR LT GRN WIRE ORG/ WIRE PCTY RCTY RED WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SWITCH SECURITY SIND VIO WIRE WHT/BLK WIRE YEL WIRE

A/C CONTROL ASSEMBLY AIRBAG SENSOR ASSEMBLY BATTERY BLOWER MOTOR CONTROLLER BLK WIRE BLOWER MOTOR CONTROLLER BODY ECU BP (RIGHT REAR OF VEHICLE) BM (AT REAR OF VEHICLE) BQ (RIGHT REAR OF VEHICLE) BRAKE CONTROL POWER SUPPLY BRN WIRE CENTER CONNECTOR 1 (BEHIND CLUSTER) CENTER CONNECTOR 2 (RIGHT I/P BRACE) COMBINATION SWITCH DATA LINK CONNECTOR 3 DRIVER SIDE ELECTRICAL KEY ANTENNA LEFT FRONT DOOR OSCILLATOR DRIVER SIDE J/B (BEHIND LEFT END OF DASH) FLASHER RELAY EC (AT REAR OF ENGINE) ED (AT REAR OF ENGINE) ENGINE CONTROL MODULE FUEL PUMP GARAGE DOOR OPENER/ INNER MIRROR GATEWAY ECU GLOVE BOX LIGHT GRN WIRE HAZARD SWITCH HTR RELAY HYBRID VEHICLE CONTROL ECU IG (ABOVE LEFT KICK PANEL) IGNITION COIL AND IGNITER 1 IGNITION COIL AND IGNITER 2 IGNITION COIL AND IGNITER 3 IGNITION COIL AND IGNITER 4 IH (ABOVE LEFT KICK PANEL) IJ (BEHIND CENTER OF DASH) INTERIOR LIGHT) INV W/P RELAY RELAY J/C 12 (BEHIND RIGHT SIDE OF DASH) J/C 24 (BEHIND LEFT END OF DASH) J/C 27 (LEFT SIDE OF PASS COMPT) J/C 29 (IN RIGHT REAR DOOR) J/C 32 (RIGHT REAR OF VEHICLE) LEFT FRONT DOOR UNLOCK DETECTION SWITCH LEFT MIRROR HEATER MAIN SWITCH CLOCK POWER OUTLET 1 POWER OUTLET 2 POWER OUTLET RELAY STEERING SENSOR POWER STEERING ECU POWER WINDOW MASTER SWITCH PWR RELAY NOISE FILTER RED WIRE REMOTE CONTROL MIRROR SWITCH RIGHT FRONT BUCKLE SWITCH RIGHT REAR DOOR UNLOCK DETECTION SWITCH TO J/C 25 (DIAGRAM 3 OF 3) WHT WIRE WHT/BLK WIRE

A/C (HTR) FUSE A/C DEFOGGER SYSTEM A/C, HEAD/ EXTERIOR LIGHTS SYSTEM WARNINGS, POWER WINDOWS SYSTEM ACC-B FUSE BLK WIRE BLU WIRE BODY ECU CENTER CONNECTOR 1 (BEHIND CLUSTER) CENTER CONNECTOR 1 (BEHIND CLUSTER) SOUND SYSTEMS, NAVIGATION SYSTEM COMPUTER DATA LINES SYSTEM COOLING FANS ANTI-LOCK BRAKE SYSTEM DEF FUSE DEF RELAY DEFOGGER SYSTEM, A/C SYSTEM DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT END OF DASH) ECU-B FUSE ECU-IG FUSE ENGINE CONTROLS SYSTEM ENGINE CONTROLS, CRUISE CONTROL, EXTERIOR LIGHTS, ANTI-LOCK BRAKE SYSTEMS F/R DOOR FUSE FLASHER RELAY FROM DRIVER SIDE J/B (DIAGRAM 2 OF 2) FROM ENGINE ROOM J/B (DIAGRAM 1 OF 2) FUSE GAUGE FUSE GRN WIRE GRY WIRE HTR RELAY IH (ABOVE LEFT KICK PANEL) INSTRUMENT CLUSTER SYSTEM J/C 21 (UPPER RIGHT SIDE OF DASH) J/C 24 (BEHIND LEFT END OF DASH) JC-20 KOF LT BLU WIRE LT GRN WIRE LT LT M/HTR FUSE MIRRORS SYSTEM NOT USED NOT USED OBD FUSE ORG/ WIRE PNK WIRE POWER FUSE POWER OUTLET 1 POWER OUTLET 2 POWER OUTLET RELAY (LEFT END OF DASH) POWER SOURCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) POWER WINDOWS SYSTEM PWR OUTLET FR FUSE PWR OUTLET FUSE PWR RELAY RED WIRE RELAY RELAY (BEHIND LEFT SIDE OF DASH) RR WIP FUSE SIG STOP FUSE T-LP RELAY TO DRIVER SIDE J/B (DIAGRAM 2 OF 2) VIO WIRE WHT WIRE WHT/BLK WIRE WIP FUSE WIPER/ WASHER SYSTEM WSH FUSE YEL WIRE