Toyota·Corolla·2017 Toyota Corolla·Wiring
Wiring diagram

2017 Toyota Corolla — power distribution

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Power distribution

A A S 15A 25A D 30A 30A B 30A 15A BECU 30A 30A 15A 30A 10A E G 10A 7.5A 20A 5A 80A 10A K 7.5A 40A 50A 30A 120A 50A C 10A 20A (12 GA-WHT) J F 10A 10A 20A 5A 7.5A ENGINE ROOM RELAY BLOCK IGT/INJ RELAY ENGINE ROOM JUNCTION BLOCK DRIVER SIDE JUNCTION BLOCK ASSEMBLY BATTERY ENGINE ROOM RELAY BLOCK ST 1 RELAY EFI MAIN RELAY H-LP RELAY HORN RELAY DRIVER SIDE JUNCTION BLOCK ASSEMBLY MAIN BODY ECU C/OPN RELAY C40 H1 B1 E1 A8 A1 D1 D1 5 D7 E31 30 C23 A24 E20 A23 D41 D22 E35 D40 A44 5 3 1 5 E33 C7 4 AE3 A10 1 3 1G 5 1 3 2 2 AE3 A36 C44 A37 C6 C55 WHT BLK BLU BLU BLU WHT WHT WHT/BLU BLU WHT BLU BLK RED RED LT GRN RED RED RED RED BLU WHT WHT GRY WHT PNK WHT WHT RED RED RED RED BLK BLK BLK GRY BLK BLU BLU GRY GRY BLU BLU BLU BLK BLK BLK BLU WHT PNK BLK BLK WHT WHT BLK/BLU BLK/RED BLK/RED BLU BLU RED BLU BLU RED LT BLU BLK RED WHT/BLK WHT/BLK GRY GRY PNK LT GRN BLK BLK BLK ECU-B 2 FUSE TURN & HAZ FUSE HTR FUSE EPS FUSE ABS 2 FUSE ETCS FUSE INJ FUSE STRG LOCK FUSE RDI FUSE ABS 1 FUSE ICS FUSE ALT FUSE MAIN FUSIBLE LINK IG2 RELAY HTR SUB 3 FUSE HTR SUB 1 FUSE D/C CUT FUSE H-LP MAIN FUSE HORN FUSE EFI-MAIN FUSE VLVMATIC FUSE AM2 FUSE IG2 FUSE ST FUSE IG1 2 RELAY WIPER FUSE WASHER FUSE RADIO FUSE A/B FUSE IGN FUSE ECU-B FUSE METER FUSE DOME FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT HEADLIGHT) (LEFT END OF DASH) AB (W/ VALVEMATIC) W/ PTC HEATER W/O SMART KEY SYSTEM W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/ SMART KEY SYSTEM W/ DUAL VVT-I (W/ DUAL VVT-I) TO D/C CUT FUSE (DIAGRAM 1 OF 3) TO DEF FUSE (DIAGRAM 3 OF 3) SHIFT INTERLOCK SYSTEM ANTI-LOCK BRAKES SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS & INSTRUMENT CLUSTER SYSTEMS AIR CONDITIONING SYSTEM AIR CONDITIONING & COOLING FANS SYSTEMS STARTING/ CHARGING SYSTEM TO DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 3 OF 3) ELECTRONIC POWER STEERING SYSTEM ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS INSTRUMENT CLUSTER SYSTEM AIR CONDITIONING SYSTEM STARTING/ CHARGING SYSTEM WARNING SYSTEMS STARTING/ CHARGING SYSTEM COMPUTER DATA LINES & MIRRORS SYSTEMS ANTI-THEFT SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM FROM STRG LOCK FUSE (DIAGRAM 1 OF 3) AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM TRANSMISSIONS & ENGINE CONTROLS SYSTEMS FROM CERTIFICATION ECU (DIAGRAM 3 OF 3) FROM IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 3) TO CERTIFICATION ECU (DIAGRAM 3 OF 3) TO IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 3) ENGINE CONTROLS SYSTEM FROM IG1 1 RELAY (DIAGRAM 2 OF 3) FROM ACC RELAY (DIAGRAM 2 OF 3) TO IG1 1 RELAY (DIAGRAM 2 OF 3) HEADLIGHTS, ENGINE CONTROLS, CRUISE CONTROL, EXTERIOR LIGHTS, WARNING, TRANSMISSIONS, ANTI-LOCK BRAKES, SOUND, NAVIGATION, SUPPLEMENTAL RESTRAINTS, STARTING/CHARGING, POWER TOPS, INSTRUMENT CLUSTER, ELECTRONIC POWER STEERING, INTERIOR LIGHTS, AIR CONDITIONING, DOOR LOCKS, HEADLIGHTS, WIPER/WASHER & ANTI-THEFT SYSTEMS NAVIGATION & SOUND SYSTEMS CRUISE CONTROL, EXTERIOR LIGHTS & ENGINE CONTROLS SYSTEMS ENGINE CONTROLS SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS WIPER/WASHER SYSTEM COMPUTER DATA LINES, SHIFT INTERLOCK & DOOR LOCKS SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM DOOR LOCKS, ANTI-THEFT & WARNING SYSTEMS INTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM ANTI-THEFT SYSTEM
1 2 2 1 S AM2 F U AM1 M M 15A 15A K B E 15A ACC 5A 7.5A N L 10A Q 7.5A 7.5A ON OFF LOCK ON OFF ACC LOCK IG2 START G START OFF LOCK ACC ST2 START ACC OFF LOCK ST1 ON ACC TRLY H P IG R START ON ACC IG1 ON OFF START ACC LOCK H 5A D DRIVER SIDE JUNCTION BLOCK ASSEMBLY MAIN BODY ECU POWER RELAY J/C 6 (E77) J/C 1 (A38) MAIN BODY ECU STP LP RELAY ENGINE ROOM RELAY BLOCK 1 13 15 12 A5 4 5 C2 C1 D27 1 2 C4 C40 D15 29 1 3 2 A45 D14 D32 C50 A39 D37 A6 A41 C18 E28 C16 C39 C38 C37 32 A2 A3 E29 A4 A21 A20 C19 C17 A16 A15 3 2 1 C15 C36 14 C9 D25 8 7 BLK GRY GRY VIO GRY GRY GRY BLU LT GRN BLK BLK WHT/BLK GRY GRY GRY GRY GRY GRY GRY GRY BLU GRN BLU BLU BLK BLK RED VIO GRN GRN GRN GRN BLK GRN BLK GRY WHT LT GRN GRN BLK BLK BLK WHT/BLK GRN GRN GRN BLK GRN TAIL RELAY ACC RELAY P/ OUTLET FUSE SFT LOCK FUSE ACC FUSE PANEL FUSE TAIL FUSE POWER OUTLET SOCKET ASSEMBLY 1 IG1 3 RELAY IG1 1 RELAY ECU-IG 1 FUSE ECU-IG 3 FUSE S/HTR F/L FUSE S/HTR F/R FUSE IGNITION OR STARTER SWITCH ASSEMBLY (LEFT END OF DASH) (LEFT END OF DASH) (RIGHT SIDE OF DASH) (CENTER OF DASH) (LEFT SIDE OF ENGINE COMPT) ED EB (NOT USED) (NOT USED) W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/ VALVEMATIC W/ DUAL VVT-I (NOT USED) (NOT USED) W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM (W/ DYNAMIC RADAR CRUISE CONTROL) (W/O SMART KEY SYSTEM) (NOT USED) FROM OBD FUSE (DIAGRAM 3 OF 3) TO IG1 2 RELAY (DIAGRAM 1 OF 3) MIRRORS SYSTEM NAVIGATION & SOUND SYSTEMS INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FROM IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 3) FROM CERTIFICATION ECU (DIAGRAM 3 OF 3) HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM SHIFT INTERLOCK SYSTEM INSTRUMENT CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM STARTING/ CHARGING SYSTEM FROM OBD FUSE (DIAGRAM 3 OF 3) TO HTR-IG FUSE (DIAGRAM 3 OF 3) FROM IG1 2 RELAY (DIAGRAM 1 OF 3) TO IG1 2 RELAY (DIAGRAM 1 OF 3) POWER TOPS SYSTEM WARNING SYSTEMS CRUISE CONTROL, COMPUTER DATA LINES, MIRRORS & NAVIGATION SYSTEMS SEATS SYSTEM SHIFT INTERLOCK SYSTEM ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS FROM IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 3) FROM CERTIFICATION ECU (DIAGRAM 3 OF 3) ENGINE CONTROLS, STARTING/ CHARGING & CRUISE CONTROL SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM NAVIGATION & SOUND SYSTEMS TRANSMISSIONS SYSTEM STARTING/ CHARGING SYSTEM TO ENGINE ROOM RELAY BLOCK (DIAGRAM 1 OF 3) TO DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 2 OF 3) FROM DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 3 OF 3) FROM ENGINE ROOM RELAY BLOCK (DIAGRAM 1 OF 3) TO DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 2 OF 3)
10A 20A 15A E T T 10A 25A 20A 30A IG1D R 10A 5A 10A 10A 50A 10A Q 5A N 7.5A 10A U B 10A L 20A C SS2 AGND SS1 AGND SSW1 SSW2 E J P +B IG2D ACCD DRIVER SIDE JUNCTION BLOCK ASSEMBLY BK/DR LOCK RELAY D DOOR UNLOCK RELAY D/UNLOCK RELAY D/LOCK RELAY J/C 1 (A38) ENGINE ROOM RELAY BLOCK STP LP RELAY CERTIFICATION ECU ENGINE SWITCH A13 5 D9 D45 E57 11 D10 E59 6 D44 D43 D24 D8 D46 D23 D42 A25 A47 D30 A56 12 14 15 13 2 3 4 5 1 A46 A26 D48 A35 B1 E10 C3 D21 1 5 6 24 E59 28 30 9 2 E57 4 GRN GRN BLK GRY LT BLU BLK WHT/BLK BLK BLK WHT/BLK GRN GRY GRN BLU PNK YEL YEL BLU BLK BLU GRN BLK BLU BLU GRN GRN GRN GRN GRY GRN BLK BLK BLK WHT/BLK WHT/BLK BLU GRN BLU LT GRN WHT VIO WHT GRN BLU GRN BLK LT BLU BRN BRN BLK LT BLU GRY BLU BLK WHT D/L BACK FUSE P/SEAT F/L FUSE STRG HTR FUSE DOOR F/R FUSE D/L-ALT FUSE STOP FUSE S/ROOF FUSE HTR-IG FUSE OBD FUSE ECU-IG 2 FUSE ECU-IG 4 FUSE AM1 FUSE FOG FR FUSE DEICER FUSE DEF FUSE S-HORN FUSE DRL FUSE DEF RELAY MIR HTR FUSE (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT HEADLIGHT) (RIGHT SIDE OF DASH) (RIGHT END OF DASH) AB ED (W/ DYNAMIC RADAR CRUISE CONTROL) (W/ SMART KEY SYSTEM) TO POWER RELAY (DIAGRAM 2 OF 3) TO IG1 1 RELAY (DIAGRAM 2 OF 3) FROM ECU-IG 3 FUSE (DIAGRAM 2 OF 3) COMPUTER DATA LINES SYSTEM (LEFT END OF DASH) AIR CONDITIONING SYSTEM POWER TOPS SYSTEM SEATS SYSTEM POWER WINDOWS SYSTEM ELECTRONIC POWER STEERING SYSTEM AIR CONDITIONING & DEFOGGER SYSTEMS SEATS SYSTEM TRANSMISSIONS, ANTI-LOCK BRAKES, CRUISE CONTROL, ENGINE CONTROLS, SHIFT INTERLOCK & EXTERIOR LIGHTS SYSTEMS TO IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 3) FROM ENGINE ROOM JUNCTION BLOCK (DIAGRAM 1 OF 3) AIR CONDITIONING & DEFOGGER SYSTEMS EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING & SEATS SYSTEMS TO ENGINE ROOM RELAY BLOCK (DIAGRAM 3 OF 3) FROM RDI FUSE (DIAGRAM 1 OF 3) DEFOGGER SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DEFOGGER SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS FROM DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 3 OF 3) ENGINE CONTROLS SYSTEMS DEFOGGER SYSTEM DEFOGGER SYSTEM TO DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 2 OF 3) TO DRIVER SIDE JUNCTION BLOCK ASSEMBLY (DIAGRAM 2 OF 3) FROM ENGINE ROOM RELAY BLOCK (DIAGRAM 1 OF 3) TO ENGINE ROOM RELAY BLOCK (DIAGRAM 1 OF 3)