Toyota·Prius·2010 Toyota Prius·Wiring
Wiring diagram

2010 Toyota Prius — power distribution

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Power distribution

A DCDC H G F D C IG 10A 10A 10A IG1 10A IG1D 125A C IG2 B IG2D 20A 10A 20A 60A 60A 15A 10A 7.5A 10A 10A BATT 40A 30A 30A 140A ENGINE ROOM J/B ENGINE ROOM R/B BATTERY INTEGRATION RELAY ENGINE ROOM J/B ENGINE ROOM J/B EFI MAIN RELAY INTEGRATION RELAY BATT FAN RELAY POWER MANAGEMENT CONTROL ECU INSTRUMENT PANEL J/B MAIN BODY ECU J/C L92 J/C L93 INTEGRATION RELAY ENGINE ROOM J/B POWER MANAGEMENT CONTROL ECU C26 B2 8 3 B4 32 C30 B16 C28 A53 A30 C31 G14 A31 7 3 B6 L6 2 B25 E1 D1 F1 1 A22 2 A3 A2 A4 C1 H7 E1 BLK BLK BLK WHT/BLK WHT/BLK BLK ORG VIO BLK BLU BLK BLU WHT/BLK WHT/BLK BLK WHT WHT WHT RED RED WHT/BLK WHT/BLK VIO BLU WHT/BLK WHT GRY GRY YEL GRY BLK RED RED BLK WHT WHT NCA A4 L3 L1 FUSIBLE LINK BLOCK MAIN FUSE SHORT PIN ABS MTR 2 FUSE ABS MTR 1 FUSE P/I 2 FUSE RAD 1 FUSE P/I 1 FUSE TURN & HAZ FUSE DOME FUSE ECU-B FUSE EPS FUSE ETCS FUSE EFI MAIN FUSE IG2 FUSE DC/DC FUSE BATT FAN FUSE IG2 RELAY ECU-IG 1 FUSE A/C FUSE ECU-IG 2 FUSE GAUGE FUSE IG1 1 RELAY (LEFT SIDE OF ENGINE COMPT) (RIGHT REAR OF VEHICLE) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT FRONT OF ENGINE COMPT) (BEHIND RIGHT SIDE OF DASH) (BEHIND LEFT END OF DASH) (BEHIND RIGHT END OF DASH) (BEHIND LEFT END OF DASH) (BEHIND RIGHT SIDE OF DASH) (LEFT SIDE OF ENGINE COMPT) (CENTER OF DASH) (RIGHT SIDE OF DASH) W/ PTC HEATER TO DC/DC FUSE IN ENGINE ROOM J/B (DIAGRAM 1 OF 3) TO AM2 FUSE (DIAGRAM 2 OF 3) NAVIGATION & SOUND SYSTEMS ELECTRONIC POWER STEERING SYSTEM ANTI-LOCK BRAKES, DOOR LOCKS, ANTI-THEFT, INSTRUMENT CLUSTER & SUPPLEMENTAL RESTRAINTS SYSTEMS ANTI-LOCK BRAKES, MIRRORS & INTERIOR LIGHTS SYSTEMS ENGINE CONTROLS & TRANSMISSIONS SYSTEMS ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM FROM TURN & HAZ FUSE IN ENGINE ROOM R/B (DIAGRAM 1 OF 3) TO HTR FUSE IN ENGINE ROOM R/B (DIAGRAM 2 OF 3) ENGINE CONTROLS SYSTEM AIR CONDITIONING & ENGINE CONTROLS SYSTEMS TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 3) TO IG1 3 RELAY (DIAGRAM 2 OF 3) TO IG1 2 RELAY (DIAGRAM 2 OF 3) TO IG1 3 RELAY (DIAGRAM 2 OF 3) COOLING FANS SYSTEM WARNING SYSTEMS HEADLIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES, NAVIGATION, MIRRORS, EXTERIOR LIGHTS, POWER TOPS, SUPPLEMENTAL RESTRAINTS & ELECTRONIC POWER STEERING SYSTEMS ANTI-LOCK BRAKES & HEADLIGHTS SYSTEMS
J I F 10A 10A H 15A 20A 30A G 20A 30A 10A 7.5A E E 10A 7.5A 5A 30A 20A D 30A 30A 7.5A 30A 30A 50A SS2 GND SS1 SSW2 SSW1 AM22 AM21 A 7.5A ENGINE ROOM R/B J/B 3 POWER SWITCH POWER MANAGEMENT CONTROL ECU ENGINE ROOM R/B J/B 3 J/C L93 INSTRUMENT PANEL J/B D1 A21 C1 C3 D16 C4 A11 5 3 A67 A57 5 2 7 17 L6 7 L5 L6 1 7 A6 B32 B6 BLK BLU BRN BLU VIO LT BLU LT GRN BLK BLK BLK LT BLU LT BLU YEL BLK WHT WHT BLK WHT WHT WHT RED RED BLK WHT/BLK WHT/BLK WHT YEL BLK YEL BLK WHT WHT WHT L1 H-LP HI MAIN FUSE AM2 FUSE AMP FUSE DC/DC-S FUSE ECU-B2 FUSE ABS MAIN 2 FUSE ENG W/P FUSE RDI FUSE H-LP CLN FUSE CDS FUSE HTR FUSE P CON MAIN FUSE ECU-B3 FUSE MAYDAY FUSE ABS MAIN 1 FUSE IGCT FUSE RR WIP FUSE WASHER FUSE WIP FUSE IG1 2 RELAY IG1 3 RELAY SEAT HTR FR FUSE SEAT HTR FL FUSE (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT SIDE OF DASH) (BEHIND RIGHT SIDE OF DASH) (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT SIDE OF DASH) (BEHIND RIGHT END OF DASH) (RIGHT SIDE OF DASH) (BEHIND LEFT END OF DASH) TO ECU-B3 FUSE (DIAGRAM 2 OF 3) FROM P/I 2 FUSE (DIAGRAM 1 OF 3) FROM DC/DC FUSE IN ENGINE ROOM J/B (DIAGRAM 1 OF 3) ENGINE CONTROLS SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS HEADLIGHTS SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS CRUISE CONTROL, ENGINE CONTROLS & TRANSMISSIONS SYSTEMS AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM FROM ECU-B2 FUSE (DIAGRAM 2 OF 3) NAVIGATION SYSTEM ENGINE CONTROLS & TRANSMISSIONS SYSTEMS ENGINE CONTROLS, TRANSMISSIONS & SHIFT INTERLOCK SYSTEMS AIR CONDITIONING & DEFOGGER SYSTEMS ANTI-LOCK BRAKES SYSTEM FROM IG1 1 RELAY (DIAGRAM 1 OF 3) TO ACC RELAY (DIAGRAM 3 OF 3) TO ACC RELAY (DIAGRAM 3 OF 3) FROM IG1 1 RELAY (DIAGRAM 1 OF 3) FROM IG1 1 RELAY (DIAGRAM 1 OF 3) SEATS SYSTEM WIPER/WASHER SYSTEM
30A 25A 25A 25A 25A 10A 7.5A 30A 30A ALTB 25A 15A TRLY 10A 10A I B E 15A E B 15A 10A ACCD J 7.5A 10A B INSTRUMENT PANEL J/B MAIN BODY ECU POWER MANAGEMENT CONTROL ECU J/C L93 FR FOG RELAY MAIN BODY ECU BK/DR RELAY D/L SOURCE RELAY MAIN BODY ECU INSTRUMENT PANEL J/B B30 B34 A10 A3 D8 A13 A14 C12 C11 A54 D13 A2 31 14 D18 B7 C10 A35 1 2 A1 3 6 12 1 2 29 A2 A50 L6 1 A43 A44 A8 C13 A23 A32 C14 C2 GRY RED RED BLU RED RED WHT RED BLK RED GRN BLK BRN BRN BRN GRN GRN WHT/BLK WHT/BLK WHT/BLK BLK GRY GRN GRN BLK RED BLU ORG ORG RED L1 P/POINT RELAY ACC RELAY CIG FUSE DOOR RL FUSE PWR OUTLET FUSE S/ROOF FUSE P FR DOOR FUSE DOOR RR FUSE D FR DOOR FUSE ECU-ACC FUSE CENTER POWER OUTLET SOCKET ASSEMBLY POWER OUTLET SOCKET ASSEMBLY TAIL RELAY FR FOG FUSE DOOR 1 FUSE TAIL FUSE PANEL FUSE PSB FUSE PWR SEAT FL FUSE STOP FUSE OBD FUSE IGN FUSE MET FUSE (BEHIND LEFT END OF DASH) (BEHIND RIGHT SIDE OF DASH) (BEHIND RIGHT END OF DASH) (RIGHT SIDE OF DASH) (BEHIND LEFT END OF DASH) FROM IG1 3 RELAY (DIAGRAM 2 OF 3) FROM IG1 3 RELAY (DIAGRAM 1 OF 3) SOUND SYSTEMS POWER TOPS SYSTEM POWER WINDOWS SYSTEM SOUND, NAVIGATION & MIRRORS SYSTEMS DOOR LOCKS & POWER WINDOWS SYSTEMS FROM ENGINE ROOM J/B (DIAGRAM 1 OF 3) ENGINE CONTROLS & EXTERIOR LIGHTS SYSTEMS SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS & ANTI-LOCK BRAKES SYSTEMS SHIFT INTERLOCK, AIR CONDITIONING, INSTRUMENT CLUSTER, CRUISE CONTROL, SOUND, DOOR LOCKS, NAVIGATION & SUPPLEMENTAL RESTRAINTS SYSTEMS ANTI-LOCK BRAKES & ENGINE CONTROLS SYSTEMS ENGINE CONTROLS & CRUISE CONTROL SYSTEMS NAVIGATION & SUPPLEMENTAL RESTRAINTS SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM INSTRUMENT CLUSTER SYSTEM