Toyota·Sequoia·2018 Toyota Sequoia·Wiring
Wiring diagram

2018 Toyota Sequoia — power distribution

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Power distribution

U 15A S Q P N 20A 40A 30A 15A 15A 30A C 30A 30A 30A 7.5A 40A 40A 30A 30A 30A A 20A B E 50A 150A 180A 30A 5A 50A 50A 40A C 7.5A 50A 40A 30A 15A 20A 25A 30A ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM R/B 2D I2 I1 2G 2L 2J 2 1 2E 2F RED ORG GRN BLK BLU WHT BLK RED VIO GRY BLU GRN ORG RED LT GRN BLK BLK BLU BLK BLK/BLU RED VIO BLK BLU BLK BLK BLU WHT RED VIO PNK RED RED LT BLU WHT WHT (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) ALT FUSE SHORT PIN A/PUMP 1 FUSE LH-J/B FUSE HTR FUSE TOWING FUSE GATEWAY FUSE ECU-DCC FUSE ABS2 FUSE ABS1 FUSE AMP FUSE BATTERY LED DRL FUSE P/OUTLET 1 FUSE FOG FR FUSE A/C RR FUSE PFS L2 FUSE PFS R1 FUSE MIR HTR FUSE TOW BRK FUSE PBD FUSE PFS L1 FUSE SUB BATT FUSE PFS R2 FUSE DOOR FUSE TI & TE FUSE IG1 3 FUSE IG1 5 FUSE AIR SUS FUSE IG1 4 FUSE AIR SUS 1 FUSE DEFOG FUSE TOW TAIL FUSE DEICER FUSE CDS FAN FUSE (NOT USED) (NOT USED) (NOT USED) (NOT USED) TO MAIN FUSE (DIAGRAM 6 OF 7) TO F/PMP (DIAGRAM 2 OF 7) SOUND SYSTEMS ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM ANTI-LOCK BRAKES SYSTEM TO DRIVER SIDE J/B (DIAGRAM 2 OF 7) TO DRIVER SIDE J/B (DIAGRAM 2 OF 7) AIR CONDITIONING SYSTEM STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM TO TOW TAIL FUSE (DIAGRAM 1 OF 7) TO ENGINE ROOM R/B (DIAGRAM 7 OF 7) AIR CONDITIONING SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DEFOGGER SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM SEATS SYSTEM FROM TOW BRK FUSE (DIAGRAM 1 OF 7) TO INV FUSE (DIAGRAM 4 OF 7) DEFOGGER SYSTEM DEFOGGER SYSTEM TO ENGINE ROOM R/B (DIAGRAM 6 OF 7) TO ENGINE ROOM R/B (DIAGRAM 6 OF 7) ELECTRONIC SUSPENSION SYSTEM SEATS SYSTEM ELECTRONIC POWER STEERING SYSTEM POWER WINDOWS, DOOR LOCKS, WIPER/WASHER & TRUNK, TAILGATE, FUEL DOORS SYSTEMS AIR CONDITIONING SYSTEM ELECTRONIC SUSPENSION SYSTEM
A N 5A 15A 5A K 40A 30A 10A 5A 10A 30A E D 30A 30A 30A 20A 20A 15A 10A 7.5A DRIVER SIDE J/B MAIN BODY ECU DOME CUT RELAY DOOR BACK RELAY DRIVER SIDE J/B MAIN BODY ECU J/C H174 ENGINE ROOM R/B H24 K7 K1 I24 I25 I26 I27 22 17 16 K29 31 19 20 21 J32 J10 H1 I22 27 I28 K21 J13 I7 K4 K2 J12 G1 J54 (OR PPL/LT BLU) (OR WHT) GRN BLU GRN LT GRN RED VIO LT GRN PPL/BLU RED BLU BLK PNK WHT BLK GRN BLU PPL/BLU BLU BLU VIO YEL BLK PNK (LEFT END OF DASH) (LEFT END OF DASH) (CENTER OF DASH) (LEFT SIDE OF ENGINE COMPT) SPARE FUSE DOOR BACK FUSE OBD FUSE DOME FUSE S/ROOF FUSE DOOR R/R FUSE P/SEAT F/L FUSE DOOR FUSE P/SEAT FUSE SPARE RELAY RADIO FUSE ECU-DCC 2 FUSE ECU-DCC 1 FUSE F/PMP FUSE JB-B FUSE AI-HTR FUSE ETCS FUSE SPARE FUSE ST FUSE ALT-S FUSE (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) TO PWR RELAY (DIAGRAM 3 OF 7) FROM ENGINE ROOM J/B (DIAGRAM 1 OF 7) POWER TOPS SYSTEM COMPUTER DATA LINES SYSTEM SEATS & MEMORY SYSTEMS SEATS SYSTEM POWER WINDOWS & MEMORY SYSTEMS ANTI-THEFT SYSTEM MEMORY & TRUNK, TAILGATE, FUEL DOORS SYSTEMS FROM ENGINE ROOM R/B (DIAGRAM 1 OF 7) NAVIGATION & SOUND SYSTEMS INTERIOR LIGHTS SYSTEM MEMORY SYSTEMS MIRRORS SYSTEM ELECTRONIC POWER STEERING SYSTEM INSTRUMENT CLUSTER SYSTEM FROM SHORT PIN (DIAGRAM 1 OF 7) ENGINE CONTROLS, CRUISE CONTROL & TRANSMISSIONS SYSTEMS TO DRIVE SIDE J/B (DIAGRAM 5 OF 7) ENGINE CONTROLS SYSTEM STARTING/CHARGING SYSTEM
L V T R M J G F 5A 15A 10A H 5A 10A 15A 5A D 5A ACC OFF LOCK ON START ACC ON OFF LOCK ON OFF LOCK ACC START ACC OFF ON LOCK START START J/C H174 DRIVER SIDE J/B MAIN BODY ECU PWR RELAY MIR HTR RELAY J/C H180 J/C A75 J/C H173 K12 J11 H11 J34 K26 K22 H32 12 14 13 AH13 10 J14 30 12 20 22 J40 15 21 14 13 J21 3 1 2 4 8 9 10 11 J55 H12 J17 14 J30 3 1 2 4 J35 H10 I11 K30 J53 H2 J6 5 4 7 6 2 1 GRN LT GRN GRN BLK BLU ORG LT GRN BLU VIO GRY BRN ORG LT BLU GRN LT BLU RED LT GRN ORG WHT GRY LT GRN LT GRN LT GRN GRY RED BLU BRN GRN GRY LT BLU RED GRN GRN BLU GRN WHT WHT (CENTER OF DASH) (EARLY PRODUCTION: LOWER RIGHT END OF DASH) (LATE PRODUCTION: LOWER LEFT END OF DASH) (LEFT END OF DASH) (CENTER OF DASH) (CENTER OF DASH) (CENTER OF DASH) IGNITION OR STARTER SWITCH ASSEMBLY ACC CUT RELAY AM1 FUSE IG1 2 RELAY TAIL RELAY ACC RELAY IG1 1 RELAY TAIL FUSE PANEL FUSE ECU- IG1 3 FUSE ECU- ACC FUSE RR SEAT HTR LH FUSE EPS-IG1 FUSE P/OUTLET 2 FUSE SPARE FUSE SPARE FUSE (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) SHIFT INTERLOCK SYSTEM STARTING/ CHARGING SYSTEM FROM DRIVER SIDE J/B (DIAGRAM 5 OF 7) ENGINE CONTROLS SYSTEM TO ENGINE ROOM J/B (DIAGRAM 6 OF 7) TO J/C A75 (DIAGRAM 6 OF 7) FROM J/C H184 (DIAGRAM 5 OF 7) TO IG2 2 RELAY (DIAGRAM 5 OF 7) FROM P/SEAT F/L FUSE (DIAGRAM 2 OF 7) TO BKUP LP FUSE (DIAGRAM 4 OF 7) TO IG2 2 RELAY (DIAGRAM 5 OF 7) TO ENGINE ROOM R/B (DIAGRAM 7 OF 7) TO CENTER POWER POINT SOCKET ASSEMBLY (DIAGRAM 7 OF 7) ELECTRONIC POWER STEERING SYSTEM INTERIOR LIGHTS SYSTEM SEATS SYSTEM EXTERIOR LIGHTS SYSTEM MIRRORS SYSTEM MIRRORS, POWER TOPS & NAVIGATION SYSTEMS AIR CONDITIONING SYSTEM COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM AIR CONDITIONING & DEFOGGER SYSTEMS SOUND & NAVIGATION SYSTEMS
5A H E B AC2 GND AC1 IG P 20A 5A 10A 7.5A ENGINE ROOM R/B J/C A71 J/C O39 J/C O40 DRIVER SIDE J/B BACKUP RELAY MAIN BODY ECU J/C A76 J/C H179 H23 K27 12 22 13 21 16 11 3 7 19 14 K35 18 20 17 6 32 5 1 2 10 9 I31 18 17 H17 21 20 22 9 1 AH11 8 1 2 3 5 AO2 8 OH6 9 12 12 SH1 9 1 1 7 1 3 2 4 8 7 6 5 4 3 2 1 J56 H14 I30 (OR LT BLU) WHT/BLK LT BLU YEL ORG GRN YEL ORG GRY LT BLU VIO BLK RED WHT BLU GRY GRY PNK PNK PNK BLU VIO BLU YEL LT BLU WHT PNK VIO BLU BLK BLK YEL RED BLK LT GRN WHT/BLK WHT/BLK RED WHT/BLK RED BLK WHT YEL BLK WHT/BLK WHT YEL LT GRN (LEFT SIDE OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) (RIGHT SIDE OF DASH) (BEHIND LEFT REAR QUARTERPANEL) (BEHIND LEFT REAR QUARTERPANEL) (BEHIND LEFT REAR QUARTERPANEL) (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (CENTER OF DASH) INV RELAY INV FUSE VOLTAGE INVERTER ASSEMBLY POWER OUTLET SOCKET ASSEMBLY BKUP LP FUSE ECU- IG1 2 FUSE ECU- IG1 1 FUSE ECU-IG1 4 FUSE A4 O2 (NOT USED) (NOT USED) FROM AIR SUS 1 FUSE (DIAGRAM 1 OF 7) FROM IG1 1 RELAY (DIAGRAM 3 OF 7) SHIFT INTERLOCK SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS CRUISE CONTROL & NAVIGATION SYSTEMS ANTI-LOCK BRAKES SYSTEM STARTING/ CHARGING SYSTEM NAVIGATION SYSTEM SEATS & TRUNK, TAILGATE, FUEL DOORS SYSTEMS AIR CONDITIONING SYSTEM WARNING, DOOR LOCKS & TRUNK, TAILGATE, FUEL DOORS SYSTEMS SEATS SYSTEM ENGINE CONTROLS, EXTERIOR LIGHTS, NAVIGATION & TRANSMISSIONS SYSTEMS MEMORY SYSTEMS COMPUTER DATA LINES SYSTEM SEATS SYSTEM ELECTRONIC POWER STEERING & NAVIGATION SYSTEMS ENGINE CONTROLS & TRANSMISSIONS SYSTEMS SOUND & NAVIGATION SYSTEMS AIR CONDITIONING & DEFOGGER SYSTEMS
L 20A 7.5A M 5A 5A K 5A 5A 15A G 10A F 5A 25A 15A DRIVER SIDE J/B J/C H183 J/C H184 J/C A72 MAIN BODY ECU SECURITY HORN RELAY L/D-DR UNLOCK RELAY ALL DR LOCK RELAY D-DR UNLOCK RELAY J/C H184 H15 K36 J33 11 K5 I15 J1 J3 H21 K31 H22 I8 H20 I5 J43 H9 13 16 21 K32 17 18 19 J23 2 3 1 F1 2 3 1 I19 I32 J47 I20 J44 H3 J22 J9 3 6 I3 RED GRN GRN GRN GRN GRN RED PNK RED LT GRN YEL RED BLU BLU BLK RED GRY GRN PNK BLK BLK ORG BLU YEL VIO WHT/BLK WHT/BLK (LEFT END OF DASH) (LEFT SIDE OF DASH) (CENTER OF DASH) (LEFT END OF DASH) (LEFT KICK PANEL) (CENTER OF DASH) HAZ FUSE AM2 FUSE STOP FUSE ECU-B 1 FUSE IG2 2 RELAY METER-IG2 FUSE ECU-IG2 3 FUSE A/BAG-IG2 FUSE ECU-B 2 FUSE D/L FUSE SPARE FUSE S-HORN FUSE AMP 2 FUSE SPARE RELAY H1 (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) FROM IG1 1 RELAY (DIAGRAM 3 OF 7) FROM PWR RELAY (DIAGRAM 3 OF 7) EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS TO IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 3 OF 7) SUPPLEMENTAL RESTRAINTS SYSTEM INSTRUMENT CLUSTER, TRANSMISSIONS, ENGINE CONTROLS, STARTING/CHARGING, ANTI-LOCK BRAKES, CRUISE CONTROL, DOOR LOCKS, WIPER/WASHER, HEADLIGHTS, EXTERIOR LIGHTS, SUPPLEMENTAL RESTRAINTS, INTERIOR LIGHTS, ELECTRONIC POWER STEERING, POWER TOPS, TRUNK, TAILGATE, FUEL DOORS, NAVIGATION & SOUND SYSTEMS FROM ENGINE ROOM R/B (DIAGRAM 2 OF 7) ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM ANTI-LOCK BRAKES SYSTEM ENGINE CONTROLS, ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS, SHIFT INTERLOCK & TRANSMISSIONS SYSTEMS DOOR LOCKS & WARNING SYSTEMS SOUND SYSTEMS POWER WINDOWS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM AIR CONDITIONING SYSTEM TO ACC CUT RELAY (DIAGRAM 3 OF 7)
T 10A 10A 30A 25A 10A 15A 50A 40A B 7.5A 20A 20A 10A S R 20A Q 30A ENGINE ROOM R/B J/C A71 J/C A54 J/C A75 ENGINE ROOM R/B ENGINE ROOM J/B HORN RELAY EFI MAIN RELAY A/F RELAY J/C A54 15 3 4 B6 B8 B7 B1 C1 I4 2H I3 2 9 1 2 3 5 5 4 13 12 14 1 2 3 5 VIO VIO WHT/BLK VIO BLU YEL YEL GRN YEL WHT/BLK BLU YEL YEL BLU BLU GRN GRN VIO VIO GRN GRN GRN GRN WHT/BLK WHT/BLK BLU GRN WHT WHT/BLK BLU PNK LT GRN PNK BLK RED BLU BLU BLU BLU WHT/BLK RED (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (RIGHT SIDE OF DASH) (LOWER LEFT END OF DASH) (RIGHT SIDE OF ENGINE COMPT) (BEHIND LEFT HEADLIGHT ASSEMBLY) (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT HEADLIGHT ASSEMBLY) IG1 4 RELAY IG1 3 RELAY WIPER FUSE WASHER FUSE S/HTR RR FUSE TOW BKUP FUSE AIR SUS FUSE 4WD FUSE HORN FUSE A/F FUSE MAIN FUSE A/PUMP 2 FUSE IG2 MAIN FUSE EFI 1 FUSE INJ FUSE IGN FUSE IG2 RELAY A4 A2 A2 (NOT USED) FROM ENGINE ROOM R/B (DIAGRAM 1 OF 7) WIPER/WASHER SYSTEM SEATS SYSTEM FROM ENGINE ROOM R/B (DIAGRAM 1 OF 7) ELECTRONIC SUSPENSION SYSTEM TRANSMISSIONS SYSTEM SEATS SYSTEM FROM DRIVER SIDE J/B (DIAGRAM 3 OF 7) FROM A/PUMP 1 FUSE (DIAGRAM 1 OF 7) ENGINE CONTROLS SYSTEM FROM IGNITION OR STARTER SWITCH ASSEMBLY (DIAGRAM 3 OF 7) ENGINE CONTROLS SYSTEM HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM
V B E B E B E ACC E B E U J ENGINE ROOM R/B J/C A71 SH1 18 SH1 10 2 1 2 1 OH4 2 1 2 2 1 2 1 AH4 11 AH11 18 3 9 1 2 3 5 ORG RED WHT/BLK WHT/BLK WHT/BLK RED WHT/BLK RED WHT/BLK VIO VIO WHT/BLK WHT/BLK VIO WHT/BLK WHT/BLK VIO WHT/BLK WHT/BLK VIO LT GRN WHT/BLK WHT/BLK BLU GRN RED (LEFT SIDE OF ENGINE COMPT) (RIGHT SIDE OF DASH) (RIGHT SIDE OF ENGINE COMPT) (LOWER LEFT CENTER OF DASH) (BEHIND REAR OF LEFT REAR QUARTERPANEL) (LOWER LEFT CENTER OF DASH) (LOWER LEFT CENTER OF DASH) P/OUTLET 1 RELAY FRONT POWER POINT SOCKET ASSEMBLY CENTER POWER POINT SOCKET ASSEMBLY CENTER POWER OUTLET SOCKET ASSEMBLY REAR POWER POINT SOCKET ASSEMBLY POWER POINT SOCKET ASSEMBLY 3 A4 H2 H2 H2 O2 (W/O REAR SEAT ENTERTAINMENT SYSTEM) FROM J/C H173 (DIAGRAM 3 OF 7) FROM ENGINE ROOM R/B (DIAGRAM 1 OF 7) FROM DRIVER SIDE J/B (DIAGRAM 3 OF 7)