Toyota Prius III facelift (2011-2015) brn Wiring diagrams

1 2 CANH CANL 10 9 CANL CANH 11 12 CANH CANL 13 22 CANH CANL 13 26 25 12 CANH CANL CANN CANP 14 13 CANH CANL 31 23 TACH TC PNK WIRE 31 32 CANH CANL 6 8 7 TS CANL CANH A/C AMPLIFIER ASSEMBLY (LOWER CENTER OF HVAC UNIT) AIR BAG SENSOR ASSEMBLY BAT 15 14 13 12 CANL TC TS BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) COMBINATION METER ASSEMBLY CONNECTOR 3) (UNDER LEFT SIDE OF DASH) COWL SIDE J/B 1 ECM (CENTER REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT OBD PANEL J/B FUSE (BEHIND LEFT END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PNK CANH CANL WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) POWER STEERING ECU (LEFT SIDE OF DASH) RADIO, DISPLAY RECEIVER ASSEMBLY (W/ DISPLAY AUDIO TYPE) RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY (LEFT SIDE OF FRONT PASSENGER'S SEAT) SIL STEERING SENSOR (STEERING COLUMN) TAC LVL SIL CANH SG CG VIO WIRE WHT WIRE WHT/BLK WIRE

2 3 PR 5 2 8 IG+ LIN 1 GND A/C AMPLIFIER ASSEMBLY (LOWER CENTER OF HVAC UNIT) A/C CONTROL ASSEMBLY A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE CAN CONTROLLER CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COWL SIDE J/B 1 ENGINE ROOM R/B 2 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT W/ HTR-IG FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LIN 1 LT GRN WIRE PRE PTC HTR RELAY 1 PTC HTR RELAY 2 PTC HTR RELAY 3 QUICK HEATER ASSEMBLY (LOWER RIGHT SIDE OF DASH) RED WIRE SG-2 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (ON COOLING COOLING FAN MOTOR (BEHIND RADIATOR) CRANK POSITION SENSOR E.F.I ENGINE COOLANT TEMPERATURE SENSOR (REAR OF CYLINDER HEAD) ECM (ENGINE CONTROL MODULE) (CENTER REAR OF ENGINE COMPT) ECU-B 2 FUSE EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM J/B 2 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT REAR OF ENGINE COMPT) ETHW THW FAN FUSE FAN MOTOR FAN RELAY GRN WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT GRN WIRE METER FUSE NE- NE+ PTC HTR 1 FUSE PTC HTR 2 FUSE PTC HTR 3 FUSE RED WIRE RFC CANH CANL SI E 1 WHT WIRE WHT/BLK WIRE

11 9 8 10 20 GND ACT+ ACT- ACTD BCTY 19 23 FRCY BDSU 2 32 FLCY IG 3 4 5 PNK WIRE BACK DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT) BACK DOOR OPENER SWITCH ASSEMBLY BK/DR RELAY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM COURTESY COWL SIDE J/B 1 COWL SIDE J/B 2 D/L FUSE D/L RELAY DETEC- DETECTION DR UNLOCK D RELAY DR UNLOCK RELAY FUSE GRN WIRE GRY WIRE HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LCTY RCTY LSFL LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT FRONT DOOR LOCK ASSEMBLY LOCK LOCK KEY LSFR CANL CANH LSSR LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) ORG/ WIRE PNK WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/YEL WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "B" PILLAR) RIGHT FRONT DOOR LOCK ASSEMBLY TION UN- KEY UNLOCK UNLOCK WARNING SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BUZZER CAN CONTROLLER CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COWL SIDE J/B 1 COWL SIDE J/B 2 DOOR CONTROL SWITCH ASSEMBLY DRAWING CIRCUIT ECU-IG FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES ENGINE ECU-B ROOM R/B 2 FUSE (RIGHT REAR OF ENGINE COMPT) IND INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "C" PILLAR) LEFT REAR DOOR LOCK ASSEMBLY LOCK LT GRN WIRE METER FUSE ORG/ WIRE PNK WIRE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY PPL PPL/GRY WIRE PPL/PNK WIRE RED WIRE RELAY ENERGIZED RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (RIGHT "C" PILLAR) RIGHT REAR DOOR LOCK ASSEMBLY SECURITY IND TFT LCD OPENING MULTI INFORMATION TOUCH TRACER TRANSPONDER KEY ECU ASSEMBLY (CENTER OF DASH) UN LOCK VIO WIRE W/O REAR POWER WINDOW W/ REAR POWER WINDOW WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE C/ OPN RELAY CANN CANL CANP CANH COMPT) COMPUTER DATA LINE SYSTEM COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM EFI MAIN FUSE EFI MAIN RELAY EGR VALVE ASSEMBLY (TOP RIGHT SIDE OF ENGINE) ENG W/ PMP FUSE ENG W/ PMP RELAY ENGINE CONTROL MODULE (ECM) (CENTER REAR OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT REAR OF ENGINE ENGINE WATER PUMP ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE HOT IN ON OR START LT GRN WIRE METER FUSE MPMP NWP ORG/ WIRE PNK TC WIRE PNK WIRE RED WIRE REF MREL SWP TACH VCPP PPMP EPPM IGSW VIO WIRE VPMP WHT WIRE WHT/BLK WIRE WPI WPO YEL WIRE

+BM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CANISTER PRESSUREURE SENSOR EFI FUSE 2 ENGINE CONTROL MODULE (ECM) (CENTER REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FUEL SUCTION TUBE ASSEMBLY W/ PUMP, GAGE FUSE FUSE 2 GRN WIRE GRY WIRE HOT IN ON OR START LEAK DETE- CTION PUMP LT GRN WIRE ORG/ WIRE PNK WIRE PUMP RED WIRE VENT VALVE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

8 9 PNK WIRE BLK WIRE BLU WIRE BRN WIRE CAN CONTROLLER CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECO MODE IND EV MODE IND GRN WIRE GRY WIRE HOT AT ALL TIMES IND LAMP INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) KNOCK CONTROL SENSOR (BANK 1) LT BLU WIRE LT GRN WIRE MALFUNCTION PNK 1 2 WIRE PNK WIRE PURGE VSV (LEFT SIDE OF ENGINE) RED WIRE STOP FUSE VIO WIRE WHT WIRE YEL WIRE

8 9 PNK WIRE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE IGF IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 (TOP OF ENGINE) IGNITION COIL ASSEMBLY 4 J/C LT BLU WIRE LT GRN WIRE ORG/ WIRE PNB PNK 1 2 WIRE PNK WIRE RED WIRE SPDI STOP LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 PNK WIRE ACCELERATOR PEDAL SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE GRN WIRE GRY WIRE INTAKE MASS AIR FLOW METER SUB-ASSEMBLY (LEFT SIDE OF ENGINE) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE SHIFT LEVER SWITCH THA VIO WIRE WHT WIRE YEL WIRE