Toyota·Prius C·2019 Toyota Prius C·Wiring
Wiring diagram

2019 Toyota Prius C — power distribution

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Power distribution

2 1 1 2 3 4 3 4 CUTB Q IG H L P M D C 10A B IG2D 30A 20A +B A 50A 7.5A 15A 30A 7.5A 40A 30A 10A 20A 30A 10A 20A 10A 30A 7.5A 30A 30A 30A 30A 30A 40A 30A 100A 50A 140A ENGINE ROOM J/B ENGINE ROOM J/B 2 BATTERY ENGINE ROOM R/B 2 ENGINE ROOM R/B SKID CONTROL ECU W/ ACTUATOR (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) POWER STEERING ECU ASSEMBLY BLOWER MOTOR SUB-ASSEMBLY W/ FAN INVERTER W/ CONVERTER ASSEMBLY PTC HTR 3 RELAY ENGINE ROOM R/B 2 FAN RELAY PTC HTR 2 RELAY PTC HTR 1 RELAY DEF RELAY CONDENSER ENGINE ROOM R/B 2 ENGINE ROOM R/B 2 DOME CUT RELAY ENGINE ROOM R/B 2 ECM STEERING LOCK ACTUATOR ASSEMBLY SKID CONTROL ECU W/ ACTUATOR (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) COMBINATION METER ASSEMBLY IGCT RELAY ENG W/ PMP RELAY H-LP RELAY DIM RELAY ENGINE ROOM R/B 2 CERTIFICATION ECU ENGINE ROOM J/B 2 EFI MAIN RELAY HORN RELAY J/C A48 RADIO & DISPLAY RECEIVER ASSEMBLY NETWORK GATEWAY ECU OUTER MIRROR SWITCH ASSEMBLY SHIFT LOCK CONTROL ECU (LOWER SHIFT LEVER ASSEMBLY) NAVIGATION RECEIVER ASSEMBLY ECM 3 2 10 AG2 10 D3 E1 AG2 15 G87 5 1 G37 3 G76 3 2 8 2 5 3 AG1 7 AG2 7 AG2 6 A40 1 B1 1 1 5 3 3 5 5 1 14 1 15 C10 CA2 4 29 AG2 11 G3 AG3 1 12 7 5 5 5 2 A33 1 1A 1B 1C 1D B1 5 6 4 9 C1 D4 D2 2 G85 A1 E1 BLK BLK RED BLU BLU BLU VIO RED RED RED RED RED YEL BLK BLK BLK RED BLK BLK BRN GRY RED BLK RED WHT BLK BLK BLK BLK BLK WHT/BLK WHT/BLK PNK PNK PNK PNK PNK PNK YEL WHT WHT BLK BLK BLK BLK BLK BLU BRN BLK BLK BLK BLK GRY BLK RED RED BLU GRN WHT BLK BLU BLK BLU RED BLK BLK BLK WHT A3 FUSIBLE LINK BLOCK ASSEMBLY MAIN FUSE DC/DC FUSE ABS MTR 2 FUSE PTC HTR 3 FUSE PTC HTR 1 FUSE PTC HTR 2 FUSE ECU-B 2 FUSE HTR FUSE EPS FUSE FAN FUSE DEF FUSE ABS MTR 1 FUSE H-LP- MAIN FUSE ENG W/PMP FUSE IGCT MAIN FUSE STRG LOCK FUSE P/I FUSE AM2 FUSE D/C CUT FUSE DOME FUSE HAZ FUSE ETCS FUSE ABS 1 FUSE ABS 2 FUSE ECU-B 1 FUSE EFI MAIN FUSE HORN FUSE IG2 FUSE IG2 RELAY (LEFT SIDE OF ENGINE COMPT) (ON BATTERY POSITIVE (+) TERMINAL) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (LOWER RIGHT SIDE OF DASH) (LEFT END OF DASH) (RIGHT SIDE OF ENGINE COMPT) W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/ NAVIGATION W/O NAVIGATION (W/ SMART KEY SYSTEM) (W/O NAVIGATION) (IF EQUIPPED) (W/O SMART KEY SYSTEM) (W/ NAVIGATION) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 4 OF 4) TO STEERING SENSOR (DIAGRAM 3 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 4 OF 4) TO IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4) TO J/C G73 & G74 (DIAGRAM 3 OF 4) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) TO ENGINE ROOM R/B 2 (DIAGRAM 3 OF 4) FROM IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4)
1 2 2 1 1 2 2 1 3 4 3 4 V U IG1D ACCD V U N L K J H ST2 G F G F AGND E SSW1 SSW2 AGND SS2 SS1 ST2 ACC E ACC 15A 25A 15A 25A 7.5A 15A 5A 15A 25A 20A E E 7.5A 15A 10A 5A TRLY D B 7.5A AM1 START ACC START ON ACC LOCK OFF IG1 OFF LOCK ON ACC ACC A AM2 START ACC ST2 ON LOCK OFF ON IG2 LOCK OFF START POWER SWITCH CERTIFICATION ECU HYBRID VEHICLE CONTROL ECU COWL SIDE J/B 1 INSTRUMENT PANEL J/B ASSEMBLY DR UNLOCK RELAY BK/DR RELAY D/L RELAY FOG FR RELAY MAIN BODY ECU DR UNLOCK D RELAY SLIDING ROOF CONTROL ECU (SLIDING ROOF REGULATOR HANDLE ASSEMBLY) DIODE (PARKING LIGHT & SIDE MARKER LIGHT) LEFT POWER WINDOW REGULATOR MOTOR ASSEMBLY COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 STOP LIGHT SWITCH ASSEMBLY MAIN BODY ECU P/W RELAY COWL SIDE J/B 2 SEAT HEATER SWITCH FRONT WINDSHIELD WIPER MOTOR ASSEMBLY REAR WASHER MOTOR & PUMP ASSEMBLY FRONT WINDSHIELD WASHER MOTOR & PUMP ASSEMBLY WINDSHIELD WIPER SWITCH ASSEMBLY REAR WIPER MOTOR ASSEMBLY 6 4 6 7 1 2 4 5 E1 ST1 3 SM1 3 G14 2 2 4 G3 6 1 1 8 1 5 4 QG2 11 7 1 2 JG1 6 16 7 A1 G85 A56 A1 11 24 G87 28 30 5 1 6 G57 9 B8 A11 1 2 B13 29 C6 C5 C3 A9 D16 A3 A2 B9 A50 A29 B37 A12 A35 C12 B40 A44 D10 C2 14 LT BLU BLU PPL/VIO BLK BLK PPL/GRN GRN GRN GRN GRN RED WHT/BLK WHT/BLK BLK WHT/BLK BLK VIO LT BLU GRN WHT/BLK GRY RED BLU YEL BLK BLK VIO VIO PNK LT BLU VIO LT BLU LT BLU LT BLU LT BLU BLU BLU BLU BLU GRN RED BLK BLK BLK RED GRN GRN BLK PNK BLK G5 G6 G2 IGNITION/ STARTER SWITCH ASSEMBLY STOP FUSE AM1 FUSE TAIL RELAY DOOR D FUSE D/L FUSE PANEL FUSE TAIL FUSE FOG FR FUSE S/ROOF FUSE OBD FUSE IG1 2 RELAY ACC RELAY IG1 1 RELAY IG1 3 RELAY WIPER RR FUSE CIG FUSE S/HTR FUSE ACC FUSE WIPER FUSE WASHER FUSE POWER OUTLET SOCKET ASSEMBLY 1 (LOWER RIGHT SIDE OF DASH) (RIGHT KICK PANEL) (LEFT END OF DASH) (LEFT KICK PANEL) (LEFT KICK PANEL) W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/ PRE-COLLISION SYSTEM W/O PRE-COLLISION SYSTEM (W/O SMART KEY SYSTEM) (W/ SMART KEY SYSTEM) (IF EQUIPPED) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) FROM ENGINE ROOM R/B 2 (DIAGRAM 1 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) TO J/C A48 (DIAGRAM 1 OF 4) FROM ENGINE ROOM J/B (DIAGRAM 1 OF 4) TO LEFT REAR COMBINATION LIGHT ASSEMBLY (DIAGRAM 3 OF 4) TO IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4) TO A/C CONTROL ASSEMBLY (DIAGRAM 3 OF 4) TO J/C G73 & G74 (DIAGRAM 3 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 4 OF 4) TO NETWORK GATEWAY ECU (DIAGRAM 1 OF 4) FROM CERTIFICATION ECU (DIAGRAM 2 OF 4) FROM IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4) FROM IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4) FROM CERTIFICATION ECU (DIAGRAM 2 OF 4)
1 2 2 1 1 2 7.5A Q 15A M K L J C 10A INSTRUMENT PANEL J/B ASSEMBLY ENGINE ROOM R/B 2 J/C G73 & G74 J/C A49 SPIRAL CABLE SUB-ASSEMBLY W/ SENSOR C/OPN RELAY ENGINE ROOM J/B 2 SKID CONTROL ECU W/ ACTUATOR (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) HYBRID VEHICLE CONTROL ECU COMBINATION METER ASSEMBLY AIR BAG SENSOR ASSEMBLY STOP LIGHT SWITCH ASSEMBLY ECM NETWORK GATEWAY ECU STEERING LOCK ACTUATOR ASSEMBLY OCCUPANT DETECTION ECU TRANSPONDER KEY ECU ASSEMBLY RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY IGNITION COIL 1 LEFT REAR COMBINATION LIGHT ASSEMBLY IGNITION COIL 2 IGNITION COIL 3 FUEL INJECTOR ASSEMBLY 2 RIGHT LICENSE PLATE LIGHT ASSEMBLY LEFT LICENSE PLATE LIGHT ASSEMBLY FUEL INJECTOR ASSEMBLY 3 FUEL INJECTOR ASSEMBLY 1 RIGHT REAR COMBINATION LIGHT ASSEMBLY FUEL INJECTOR ASSEMBLY 4 IGNITION COIL 4 J/C G73 & G74 SPIRAL CABLE SUB-ASSEMBLY W/ SENSOR RADIO & DISPLAY RECEIVER ASSEMBLY STEERING SENSOR RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY COMBINATION METER ASSEMBLY SEAT HEATER SWITCH HAZARD WARNING SIGNAL SWITCH ASSEMBLY RADIO & DISPLAY RECEIVER ASSEMBLY AUTO HIGH BEAM SWITCH SHIFT POSITION INDICATOR (INDICATOR LIGHT WIRE SUB-ASSEMBLY) ECO SWITCH ASSEMBLY COMBINATION SWITCH ASSEMBLY PATTERN SELECT SWITCH ASSEMBLY VSC OFF SWITCH A/C CONTROL ASSEMBLY NAVIGATION RECEIVER ASSEMBLY NAVIGATION RECEIVER ASSEMBLY A38 3 11 G1 1 21 AG2 6 16 7 12 MY1 7 6 Y3 D31 12 G74 18 2 17 G73 G73 7 2 2 2 2 1 1 1 1 CA2 5 D6 G18 21 A45 18 16 A48 C31 8 9 G5 Z2 2 6 9 6 4 G76 AG4 12 4 8 G5 12 5 Z2 5 8 3 6 G73 G1 29 13 G37 10 10 G76 15 12 3 3 G74 19 4 21 22 7 G73 14 1 1 ST1 8 SM1 7 4 4 G37 A40 37 12 10 PNK BLK BLK VIO LT BLU TAN BLK BLU GRY VIO RED GRY PNK BRN LT GRN RED PNK GRY BRN LT GRN BLK TAN GRY BLK PNK BLK BLK BLK BRN RED RED RED RED RED RED RED TAN GRN TAN LT BLU RED RED RED GRN GRN GRN GRN GRN GRN GRN GRN PNK BLK BLK BLK VIO BLK IG2 2 FUSE METER FUSE IGN FUSE (LEFT END OF DASH) (RIGHT SIDE OF ENGINE COMPT) (LEFT SIDE OF DASH) (UPPER LEFT END OF DASH) (ON STEERING COLUMN) (RIGHT SIDE OF ENGINE COMPT) (LEFT SIDE OF DASH) (ON STEERING COLUMN) 3 4 (W/ TOUCH SENSOR) W/O NAVIGATION SYSTEM W/ NAVIGATION SYSTEM 3 W/O PRE-COLLISION SYSTEM 4 W/ PRE-COLLISION SYSTEM (W/O NAVIGATION) (IF EQUIPPED) (W/ AUTOMATIC HIGH BEAM) (W/O NAVIGATION) (W/ NAVIGATION) (W/ NAVIGATION) FROM ENGINE ROOM J/B 2 (DIAGRAM 1 OF 4) FROM CERTIFICATION ECU (DIAGRAM 1 OF 4) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 2 OF 4) FROM ENGINE ROOM R/B 2 (DIAGRAM 1 OF 4)
2 1 1 2 BECU IG P L N 10A 5A 7.5A 5A INSTRUMENT PANEL J/B ASSEMBLY J/C A50 PTC HTR 3 RELAY PTC HTR 1 RELAY PTC HTR 2 RELAY ENGINE ROOM R/B 2 SHIFT LOCK CONTROL ECU (LOWER SHIFT LEVER ASSEMBLY) DIODE VEHICLE APPROACHING SPEAKER CONTROLLER PRE-COLLISION CITY HEATER SLIDING ROOF CONTROL ECU (SLIDING ROOF REGULATOR HANDLE ASSEMBLY) A/C CONTROL ASSEMBLY A/C AMPLIFIER ASSEMBLY POWER STEERING ECU ASSEMBLY COMPRESSOR W/ MOTOR ASSEMBLY RADIO & DISPLAY RECEIVER ASSEMBLY NAVIGATION RECEIVER ASSEMBLY MAIN BODY ECU J/C A48 J/C G73 & G74 DEF RELAY BKUP LP RELAY SKID CONTROL ECU W/ ACTUATOR (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) HYBRID VEHICLE CONTROL ECU PRE-COLLISION CITY SENSOR COMBINATION METER ASSEMBLY OCCUPANT DETECTION ECU A/C AMPLIFIER ASSEMBLY NETWORK GATEWAY ECU TRANSPONDER KEY ECU ASSEMBLY TIRE PRESSURE WARNING ECU & RECEIVER (DOOR CONTROL & TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY) NETWORK GATEWAY ECU ENGINE ROOM R/B 2 D21 7 MY1 6 Y3 1 D30 30 1 1 3 G58 G1 1 B14 G34 21 B29 C36 C21 19 16 1 22 20 1 G74 G73 7 11 QG2 12 7 32 A40 6 5 1 2 1 4 G78 G41 1 1 QG2 13 1 1 3 CA1 5 12 6 C22 5 1 G34 2 2 2 13 14 C27 A54 A53 C14 D32 C15 A51 A49 G6 1 A52 BLU BRN BLU TAN BRN WHT GRN TAN TAN BLU TAN TAN BLU BLU BLK BLK YEL BLK BLU LT GRN LT GRN VIO LT GRN LT GRN LT GRN LT GRN LT GRN BLU VIO VIO VIO RED RED BRN BRN VIO GRY YEL GRY BLU BLU VIO VIO LT GRN BLU HTR- IG FUSE ECU- IG 2 FUSE GAUGE FUSE ECU- IG 1 FUSE (LEFT END OF DASH) (LEFT END OF DASH) (RIGHT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE OF DASH) (RIGHT SIDE OF ENGINE COMPT) (W/O NAVIGATION) (W/ NAVIGATION) (IF EQUIPPED) W/O NAVIGATION SYSTEM W/ NAVIGATION SYSTEM FROM IG1 RELAY (DIAGRAM 2 OF 4) FROM ENGINE ROOM J/B 2 (DIAGRAM 1 OF 4) FROM ENGINE ROOM J/B 2 (DIAGRAM 1 OF 4)