Toyota Prius III facelift (2011-2015) ecu-b fuse Wiring diagrams

12 11 LBE- LBE+ 13 12 FSR- FSR+ 13 14 CAN L CAN H 13 22 CAN H CAN L 19 20 CANH CANL 5 9 8 4 PNK WIRE AIR BAG ECU (UNDER FRONT OF CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH LEFT FRONT SEAT INNER BELT ASSEMBLY (RIGHT SIDE OF DRIVER'S SEAT) BUZZER CAN DRIVER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT, PASSENGER'S SEAT BELT IND ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) MET FUSE (BEHIND LEFT END OF DASH) OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) PARKING BRAKE SWITCH ASSEMBLY (TOP OF PARKING BRAKE PEDAL ASSEMBLY) PNK WIRE POWER SUPPLY IC RED WIRE RELAY ENERGIZED VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

31 29 32 ALTB AUTO OFF BLK WIRE BLU WIRE BRN WIRE DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE FRONT WASHER SWITCH FRWA PB GAUGE FUSE GRN WIRE H-LP CLN FUSE HEADLIGHT CLEANER MOTOR, PUMP (RIGHT FRONT CORNER OF ENGINE COMPT) HEADLIGHT CLEANER RELAY (NEAR RIGHT HEADLIGHT ASSEMBLY) HEADLIGHT CLEANER SWITCH ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY HOLD HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU P/I 2 FUSE OF ENGINE COMPT) PNK HEAD WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT END OF DASH) WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

11 10 9 SWIL CANL CANH A/C CONTROL ASSEMBLY A/D BLK WIRE BLU WIRE BRN WIRE CAN DRIVER CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LIGHT CONTROL RHEOSTAT LT BLU WIRE MET FUSE NAVIGATION RECEIVER ASSEMBLY (W/ NAVIGATION RECEIVER TYPE) PNK ILL+ WIRE PNK WIRE POWER SUPPLY IC POWER SWITCH RADIO, DISPLAY RECEIVER ASSEMBLY (W/ RADIO, DISPLAY RECEIVER TYPE) RED WIRE RELAY ENERGIZED SHIFT POSITION INDICATOR LIGHT (SHIFT LOCK CONTROL UNIT ASSEMBLY) SWIL TAIL CANCEL SWITCH W/ RADIO, DISPLAY RECEIVER TYPE WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE BRN WIRE CONTROL CIRCUIT D FR DOOR FUSE DOOR LOCK SWITCH DOOR R/L FUSE DOWN DOWN UP 15 20 DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE P/W MANUAL OUTPUT CIRCUIT DRIVER SIDE UP SWITCH ECU-B FUSE ENGINE ROOM R/B FRONT PASSENGER SIDE CONTROL SWITCH GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LED LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LEFT FRONT POWER WINDOW REGULATOR MOTOR (DRIVER'S DOOR) LEFT REAR SIDE CONTROL SWITCH LIN LOCK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE P FR DOOR FUSE PASSENGER'S DOOR PNK LIN WIRE PNK PNK WIRE PNK WIRE RED WIRE RIGHT FRONT POWER WINDOW REGULATOR MOTOR RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR SIDE CONTROL SWITCH UNLOCK VIO WIRE WHT WIRE WHT/BLK WIRE WINDOW LOCK SWITCH YEL WIRE

ACC 1 ADPG VAR+ VA- VAL+ ATX+ PKB CA+ V+ BLK WIRE BLU LT WIRE BLU WIRE CAN H CAN L AGND CB+ CGND CGND V- COMPUTER DATA LINES SYSTEM CV+ ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC INSTRUMENT PANEL J/B ECU-ACC (BEHIND LEFT FUSE END OF DASH) HOT IN ON OR START HOT IN ON OR START GAUGE FUSE IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) J/C J/C LT BLU WIRE LT GRN WIRE MACC MACC MIN+ SNS 2 MAIN ANTENNA MAP LIGHT ASSEMBLY (W/ BLUETOOTH) MCO- MICROPHONE, MICROPHONE AMPLIFIER NCA WIRE ORG/ WIRE P/I 2 FUSE PARKING BRAKE SWITCH ASSEMBLY PNK SWG WIRE PNK WIRE RAD 1 FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE SKID CONTROL ECU W/ ACTUATOR ASSEMBLY (BEHIND LEFT SIDE OF DASH) SPD SGND MIN- STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA VIO WIRE W/ EXTENSION MODULE W/ RADIO, DISPLAY RECEIVER ASSEMBLY W/O SDARS USA W/O EXTENSION MODULE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 FR+ FL+ 1 2 3 4 5 6 7 8 9 10 RR+ RL+ RR- BLK WIRE BLU LT WIRE BLU WIRE BRN WIRE CAN CONTROLLER CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES J/C LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2 LEFT REAR SPEAKER ASSEMBLY LT BLU WIRE LT GRN WIRE NCA WIRE PNK WIRE RAD 1 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT REAR SPEAKER ASSEMBLY SDARS ANTENNA (IF EQUIPPED) SKID CONTROL ECU W/ ACTUATOR ASSEMBLY (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 FR+ FL+ 5 6 PNK WIRE ADPG VAR+ VA- VAL+ BLK WIRE BLU WIRE BRN WIRE CANH CANL AGND COMPUTER DATA LINES SYSTEM EAU ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B FR- FL- GND FUSE P/I 2 GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START GAUGE FUSE HOT IN ON OR START INSTRUMENT PANEL J/B IGN (BEHIND LEFT FUSE END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) J/C LT BLU WIRE MACC MIN+ MAIN ANTENNA MICRO COMPUTER MODE NAVIGATION RECEIVER ASSEMBLY NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PNK SWG WIRE PNK WIRE RAD 1 FUSE RED WIRE SEEK SPD SGND MIN- SPIRAL CABLE SUB-ASSEMBLY (ON STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 TOUCH SENSOR VIO WIRE VOICE VOLUME- W/O SAFETY CONNECT WHT WIRE YEL WIRE

ADPG VAR+ VA- VAL+ BLK WIRE BLU WIRE CANH CANL AGND CB+ CGND CGND V- COMPUTER DATA LINES SYSTEM CV+ EAU ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B FUSE P/I 2 GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START GAUGE FUSE HOT IN ON OR START INSTRUMENT PANEL J/B IGN (BEHIND LEFT FUSE END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) J/C LT BLU WIRE MACC MIN+ MAIN ANTENNA MICRO COMPUTER MODE NCA WIRE OFF HOOK ON HOOK ORG/ WIRE PARKING BRAKE SWITCH PKB CA+ V+ PNK SWG WIRE PNK WIRE RAD 1 FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE SEEK SPD SGND MIN- SPIRAL CABLE SUB-ASSEMBLY (ON STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 TOUCH SENSOR VIO WIRE VOICE VOLUME- W/O SAFETY CONNECT WHT WIRE YEL WIRE

A/C CONTROL ASSEMBLY BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE BUCKLE SWITCH PNK WIRE CAN DRIVER CIRCUIT (HORN BUTTON ASSEMBLY) (STEERING WHEEL) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DASH) DIMMER CIRCUIT DRIVER SIDE DRIVER SIDE SQUIB CIRCUIT (HORN BUTTON ASSEMBLY) (STEERING WHEEL) ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FRONT OUT WEIGHT DETECTION SENSOR SUB ASSEMBLY FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START I/F I/F IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C LT BLU WIRE LT GRN WIRE MET FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PASSENGER AIR BAG OFF IND P-AB PASSENGER AIR BAG ON IND PAON PNK WIRE POWER SUPPLY IC RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY SPIRAL W/ SENSOR CABLE SUB-ASSEMBLY (ON STEERING COLUMN) SRS IND VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+BWP 12 11 9 10 8 7 13 1 2 3 4 6 5 GRFG GRF GCSG GCS GSNG GSN 6 23 7 18 19 26 34 35 27 22 28 MREL STP ACCELERATOR PEDAL SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER CAN ECO, EV, POWER MODE SWITCH (COMBINATION SWITCH ASSEMBLY) ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EV IND EV MODE IND CANL EV SWITCH EVSW FUSE GCS GCSG GRF GRFG GRN WIRE GSN GSNG HOT AT ALL TIMES IGCT 2 FUSE IGCT 3 FUSE IGCT FUSE IGCT RELAY INVERTER WATER PUMP MOTOR (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE MCS MOTOR GENERATOR 1 (LEFT FRONT OF ENGINE COMPT) MOTOR GENERATOR 2 (LEFT FRONT OF ENGINE COMPT) MRF MRF MRFG MSN MSNG MCS MSCG MRFG MSCG MSN MSNG ORG/ WIRE P CON MTR FUSE PCON PPOS PCU FUSE PNK TC WIRE PNK WIRE POWER POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SUPPLY IC VIO WIRE W/ CONVERTER INVERTER ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE