Toyota·4Runner·2018 Toyota 4Runner·Wiring
Wiring diagram

2018 Toyota 4Runner — power distribution

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Power distribution

1 2 1 1 2 A 50A 10A 30A B 140A E 7.5A D 80A 15A 10A 10A 10A 20A 7.5A 20A 10A C 30A 7.5A 7.5A 30A 50A 30A 30A 20A 30A 30A 30A 50A 50A 30A 20A 10A 10A 30A 10A 30A 80A ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY DRL RELAY H-LP LO RELAY 2 1 1F 1B 1A 18 FA2 5 1 6 (OR BLU) BLU RED/ BLU RED/ BLU (OR GRN) RED PNK/BLU BLU WHT BLK BLK BLK BLK RED/BLK BLU RED/BLK PNK GRY VIO RED RED GRN BLU PNK GRN BLU BLK BLU/RED GRN BLU GRY GRN GRN BLK BLK BLK BLK/RED RED WHT/GRN WHT LT GRN BLU BLK BLK BLK BLK (400W) W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) ALT FUSE INV FUSE MIR HTR FUSE DEICER FUSE PTC HTR 1 FUSE STOP FUSE PTC HTR 2 FUSE HTR FUSE TOWING TAIL FUSE DEF FUSE PTC HTR 3 FUSE A/C COMP FUSE AIR PMP HTR FUSE SUB BATT FUSE BATTERY AIR PMP FUSE ST FUSE TOWING BRK FUSE MAYDAY FUSE ABS 2 FUSE ABS 1 FUSE AMP FUSE RAD 1 FUSE TOWING FUSE ALT-S FUSE SHORT PIN TURN & HAZ FUSE P/I-B FUSE PRB FUSE SECURITY FUSE ETCS FUSE STRG LOCK FUSE H-LP HI FUSE SMART FUSE ECU-B FUSE AM2 FUSE DOME FUSE STARTING/CHARGING SYSTEM TO DRIVER SIDE J/B ASSEMBLY (DIAGRAM 3 OF 4) EXTERIOR LIGHTS SYSTEM TO ENGINE ROOM R/B 3 ASSEMBLY (DIAGRAM 4 OF 4) ANTI-LOCK BRAKES, SHIFT INTERLOCK, ENGINE CONTROLS, TRANSMISSIONS, CRUISE CONTROL & EXTERIOR LIGHTS SYSTEMS ENGINE CONTROLS SYSTEM STARTING/ CHARGING SYSTEM AIR CONDITIONING SYSTEM DEFOGGER SYSTEM NAVIGATION & SOUND SYSTEMS NAVIGATION & SOUND SYSTEMS ENGINE CONTROLS SYSTEM NAVIGATION SYSTEM STARTING/ CHARGING SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM TO IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4) DOOR LOCKS, ELECTRONIC POWER STEERING, WARNING, ENGINE CONTROLS, ANTI-LOCK BRAKES, AIR CONDITIONING, ANTI-THEFT, BODY COMPUTER, HEADLIGHTS, INSTRUMENT CLUSTER, ELECTRONIC SUSPENSION, MEMORY, TRANSMISSIONS, POWER WINDOWS, SUPPLEMENTAL RESTRAINTS & TRUNK, TAILGATE, FUEL DOORS SYSTEMS TO ENGINE ROOM J/B ASSEMBLY (DIAGRAM 3 OF 4) INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM ANTI-THEFT & DOOR LOCKS SYSTEMS SHIFT INTERLOCK SYSTEM TO J/B 5 (DIAGRAM 2 OF 4) TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS
N J M L F K 20A H 7.5A 10A ACC IG 10A E B E B 15A 7.5A E AM21 AM22 SSW2 SSW1 G IG2D IG1D ACCD ON START LOCK ACC START OFF AM1 OFF ACC LOCK ON OFF LOCK ACC START ON ST1 IG1 ACC START C LOCK OFF START ACC AM2 OFF LOCK ACC ON ON ST2 IG2 J/B 5 POWER MANAGEMENT CONTROL ECU ENGINE SWITCH J/C F64 J/B 4 DRIVER SIDE J/B ASSEMBLY MAIN BODY ECU J/C F55 & F56 J/C A37 J/C F56 J/C N22 J/C F55 & F56 J/C F63 Fm1 2 FN1 1 FA2 7 9 FA2 C33 18 21 20 19 22 C14 F5 D11 F30 D31 C31 D27 32 B39 B17 29 5 F55 F56 6 3 1 3 1 2 10 11 12 5 2 1 F56 12 F55 7 B5 8 B35 B69 2 7 5 A19 A6 A7 2 1 F80 17 18 F81 F80 8 20 19 C48 C52 2 1 3 4 7 6 8 LT GRN LT GRN BLU GRN WHT/ BLK GRY BLU BLU BLU BLU BLU BLU GRY GRN GRN GRN BLU BLU PNK WHT/BLK WHT/BLK WHT/BLK LT GRN LT GRN WHT/BLK LT GRN LT GRN WHT/BLK RED LT GRN WHT/BLK BLK BLK BLK RED LT GRN BLU BLU (OR BLK) VIO RED BLK RED VIO BLU VIO RED RED VIO GRN BLK RED VIO GRN BLK RED (W/O SMART KEY SYSTEM) W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM (W/ SMART KEY SYSTEM) (W/ SMART KEY SYSTEM) (W/ 120V POWER OUTLET) (RIGHT CENTER OF DASH) (RIGHT CENTER OF DASH) (LEFT CENTER OF DASH) (BEHIND INSTRUMENT CLUSTER) (LEFT END OF DASH) (LEFT SIDE OF DASH) (IN ENGINE ROOM JUNCTION & RELAY BOX) (LEFT SIDE OF DASH) (LEFT SIDE OF DASH) (RIGHT "C" PILLAR) (RIGHT "D" PILLAR) (LEFT KICK PANEL) IGNITION OR STARTER SWITCH ASSEMBLY ACC RELAY IG1 5 RELAY IG1 1 RELAY P/OUTLET FUSE ECU-IG 1 FUSE IG1 FUSE ECU-IG 2 FUSE S/HTR FR FUSE ACC FUSE POWER POINT SOCKET ASSEMBLY REAR POWER POINT SOCKET ASSEMBLY F2 N2 F1 FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 1 OF 4) FROM DRIVER SIDE J/B ASSEMBLY (DIAGRAM 3 OF 4) STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 1 OF 4) TO ENGINE ROOM J/B ASSEMBLY (DIAGRAM 3 OF 4) TO IG1 2 RELAY (DIAGRAM 3 OF 4) TO IG1 2 RELAY (DIAGRAM 3 OF 4) FROM IG1 3 RELAY (DIAGRAM 3 OF 4) EXTERIOR LIGHTS SYSTEM SEATS SYSTEM TO J/B 4 (DIAGRAM 4 OF 4) ANTI-LOCK BRAKES & DEFOGGER SYSTEMS AIR CONDITIONING, EXTERIOR LIGHTS & STARTING/ CHARGING SYSTEMS TO POWER OUTLET SOCKET ASSEMBLY 3 (DIAGRAM 4 OF 4) ANTI-THEFT, DOOR LOCKS, WIPER/ WASHER & POWER WINDOWS SYSTEMS WIPER/ WASHER SYSTEM DEFOGGER SYSTEM MIRRORS, NAVIGATION, SHIFT INTERLOCK, INSTRUMENT CLUSTER & SOUND SYSTEMS TRANSMISSIONS, EXTERIOR LIGHTS, ANTI-LOCK BRAKES, SHIFT INTERLOCK, NAVIGATION, ENGINE CONTROLS, ANTI-THEFT, CRUISE CONTROL, SOUND, DOOR LOCKS, ELECTRONIC POWER STEERING & WARNING SYSTEMS TO ENGINE ROOM R/B 3 ASSEMBLY (DIAGRAM 4 OF 4)
F 10A J ALTB 30A 30A 7.5A 25A 25A 25A 30A 15A 25A 30A 25A 7.5A 7.5A K 7.5A TRLY 10A 7.5A 20A 20A 30A B H 10A 7.5A 10A 25A 10A 20A 20A D G DR UNLOCK RELAY MAIN BODY ECU D-DR UNLOCK RELAY BK DR LOCK RELAY DOOR LOCK RELAY FR FOG RELAY ENGINE ROOM R/B ASSEMBLY ENGINE ROOM J/B ASSEMBLY EFI MAIN RELAY HORN RELAY A/F RELAY J/C A38 MAIN BODY ECU BK/UP RELAY DRIVER SIDE J/B ASSEMBLY J/C F55 J/C F63 D2 B20 D7 F16 B10 C4 C34 C12 C11 C9 F11 31 F6 F3 C38 C29 B40 14 D21 B32 C35 5 3 1 B4 B8 D1 C13 D4 E1 D3 C26 C51 D26 C55 C4 C5 1 4 C3 D1 E1 C1 GRN GRN BLU BLK GRN GRN GRN BLK GRN RED WHT WHT BLK PNK WHT VIO GRY GRN GRN GRN WHT/BLK WHT/BLK RED BLU GRN GRN BLK RED/BLU BLK WHT WHT RED RED/BLU BLK/RED RED/BLU RED/BLU WHT/BLK WHT/BLK BLU BLK BLU (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (N ENGINE ROOM JUNCTION & RELAY BOX) (LEFT FRONT OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE OF DASH) (LEFT KICK PANEL) P/SEAT FL FUSE FOG FR FUSE S/ROOF FUSE DOOR P FUSE DOOR RR FUSE OBD FUSE DOOR D FUSE DOOR FUSE DOOR BACK FUSE DOOR RL FUSE D/L 2 FUSE P/SEAT FR FUSE A/C FUSE IG2 FUSE HORN FUSE A/F FUSE INJ FUSE EFI FUSE IG2 RELAY IG1 3 RELAY IG1 2 RELAY KDSS FUSE 4WD FUSE WIP FUSE WASHER FUSE TAIL RELAY AM1 FUSE GAUGE FUSE PANEL FUSE TAIL FUSE IGN FUSE A1 F1 SEATS & MEMORY SYSTEMS COMPUTER DATA LINES SYSTEM POWER WINDOWS SYSTEM SEATS SYSTEM POWER TOPS SYSTEM POWER WINDOWS SYSTEM AIR CONDITIONING SYSTEM FROM IGNITION OR STARTER SWITCH ASSEMBLY (W/O SMART KEY SYSTEM) POWER MANAGEMENT CONTROL ECU (W/ SMART KEY SYSTEM) (DIAGRAM 2 OF 4) DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS, INSTRUMENT CLUSTER & POWER WINDOWS SYSTEMS FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 1 OF 4) ENGINE CONTROLS & TRANSMISSIONS SYSTEMS ENGINE CONTROLS SYSTEM FROM IG1 1 RELAY (DIAGRAM 2 OF 4) TO IG1 5 RELAY (DIAGRAM 2 OF 4) FROM IG1 5 RELAY (DIAGRAM 2 OF 4) ANTI-LOCK BRAKES, TRANSMISSIONS, CRUISE CONTROL & ENGINE CONTROLS SYSTEMS FROM ENGINE ROOM J/B ASSEMBLY (DIAGRAM 1 OF 4) ENGINE CONTROLS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS, ANTI-LOCK BRAKES, SUPPLEMENTAL RESTRAINTS, WARNING, ELECTRONIC SUSPENSION, INSTRUMENT CLUSTER, ELECTRONIC POWER STEERING, CRUISE CONTROL, DOOR LOCKS, NAVIGATION, TRANSMISSIONS, EXTERIOR LIGHTS, STARTING/CHARGING, INTERIOR LIGHTS & HEADLIGHTS SYSTEMS TRANSMISSIONS SYSTEM WIPER/WASHER SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM EXTERIOR LIGHTS SYSTEM ELECTRONIC SUSPENSION SYSTEM INTERIOR LIGHTS SYSTEMS SUPPLEMENTAL RESTRAINTS, ENGINE CONTROLS, CRUISE CONTROL, SHIFT INTERLOCK, DOOR LOCKS, ANTI-THEFT & NAVIGATION SYSTEMS TO IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 4)
1 2 1 2 A N E B E B E B ACC2 ACC1 E SP1 SI +S ELS2 IND+ E M L IND IND- IG GND B AC2 EXCD RLY NSW AC1 IND SPD SW ENGINE ROOM R/B 3 ASSEMBLY J/B 4 J/B 4 J/B 5 J/B 4 J/B 5 COMBINATION METER ASSEMBLY SKID CONTROL ECU W/ ACTUATOR ASSEMBLY J/C N22 ECM J/C F57 & F58 J/B 5 J/C F65 A53 11 B25 B2 Fm1 4 F58 7 6 F57 11 2 1 2 1 2 1 63 1 FA2 11 FN1 61 62 FN1 60 64 59 RA1 1 NR1 FA2 45 A13 C1 C16 B20 12 4 1 2 5 A6 12 29 28 F51 10 B53 B17 B44 B31 B53 B41 A79 A91 C19 B55 A66 B43 6 3 5 4 2 B37 B21 A67 A13 A38 3 1 2 5 1 2 N20 N19 12 11 10 9 8 7 6 5 4 3 2 1 LT BLU LT BLU LT BLU WHT/BLK WHT/BLK WHT/BLK WHT/BLK WHT/BLK WHT/BLK WHT/BLK WHT/BLK LT GRN LT GRN LT GRN LT GRN LT GRN LT GRN GRN VIO LT BLU PNK RED GRN LT BLU BLK WHT/BLK BLU RED WHT/BLK WHT/BLK GRN/WHT GRN LT BLU LT GRN BLK BLK BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU PNK BLU VIO GRN GRN GRN GRN RED RED GRN BLU BLK WHT/BLK WHT BLU LT GRN GRN RED VIO LT BLU PNK (W/ POWER OUTLET (120V)) W/ HYDRAULIC BRAKE BOOSTER W/ VACUUM BRAKE BOOSTER (ATTACHED TO REAR OF ENGINE ROOM J/B & R/B ASSEMBLY) (BEHIND INSTRUMENT CLUSTER) (BEHIND INSTRUMENT CLUSTER) (RIGHT CENTER OF DASH) (RIGHT SIDE OF CARGO AREA) (RIGHT CENTER OF DASH) (BEHIND INSTRUMENT CLUSTER) (RIGHT SIDE OF CARGO AREA) (LEFT REAR OF ENGINE COMPT) (RIGHT "D" PILLAR) (RIGHT "C" PILLAR) (RIGHT END OF DASH) (RIGHT END OF DASH) (RIGHT CENTER OF DASH) (RIGHT KICK PANEL) INV RELAY (400W) MAIN SWITCH ASSEMBLY VOLTAGE INVERTER ASSEMBLY POWER OUTLET SOCKET POWER OUTLET SOCKET ASSEMBLY 3 POWER OUTLET SOCKET ASSEMBLY 2 POWER OUTLET SOCKET ASSEMBLY 1 N3 N2 F3 FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 1 OF 4) FROM J/C A37 (DIAGRAM 2 OF 4) FROM DRIVER SIDE J/B ASSEMBLY (DIAGRAM 2 OF 4) AIR CONDITIONING SYSTEM INSTRUMENT CLUSTER, SOUND & NAVIGATION SYSTEMS DEFOGGER SYSTEM SEATS SYSTEM DEFOGGER, AIR CONDITIONING & SEATS SYSTEMS MIRRORS & POWER TOPS SYSTEMS NAVIGATION SYSTEM FROM J/C F55 & F56 (DIAGRAM 2 OF 4) STARTING/CHARGING SYSTEM