Lexus·Es300H·2018 Lexus ES300H·Wiring
Wiring diagram

2018 Lexus ES300H — power distribution

Sheets 4Labels 600

Power distribution

BATT ALT L BECU 50A 20A 30A 7.5A 30A J 7.5A 50A 120A 7.5A 7.5A 15A 10A 15A 15A 10A 30A 50A 50A 10A 10A 25A A 30A 80A 5A 5A 10A 140A 30A 7.5A 30A 50A 50A 50A ENGINE ROOM J/B ASSEMBLY INTEGRATION RELAY ENGINE ROOM R/B ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY MAIN BODY ECU ENGINE ROOM J/B ASSEMBLY INTEGRATION RELAY B19 1H 1K 1J 1I C32 B18 D40 B17 B26 D31 30 1 SA1 SQ1 1 1 2 (OR ORG) PNK PNK (OR BLU) BLK WHT BLK WHT BLU LT GRN BLU GRN VIO YEL GRN BLK LT GRN BLU YEL GRY LT GRN BLK BLK WHT GRN VIO GRN BLK GRY WHT RED WHT RED RED BLU VIO BLK BLK WHT BLU GRN BLU BLK RED BLU WHT STRG LOCK FUSE H-LP- MAIN FUSE ABS MTR 1 FUSE ABS MTR 2 FUSE SMART FUSE AMP FUSE AMP 2 FUSE TV FUSE EPS FUSE EFI 1 FUSE ETCS FUSE ABS 1 FUSE ABS 2 FUSE FUSIBLE LINK BLOCK ASSEMBLY MAIN FUSE BATTERY D/C CUT EFI- MAIN 1 FUSE EFI- MAIN 2 FUSE TURN & HAZ FUSE HORN FUSE PANEL FUSE ECU-B 1 FUSE DOME FUSE D/L- AM2 FUSE DC/DC-S FUSE R/B 2 FUSE MAYDAY FUSE DC/DC FUSE ENG W/ PMP FUSE PTC HTR 2 FUSE PTC HTR 1 FUSE DEICER FUSE HTR FUSE S-HORN FUSE FAN FUSE (LEFT FRONT OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (ON BATTERY POSITIVE (+) POST) (LEFT END OF DASH) (LEFT FRONT OF ENGINE COMPT) SOUND & NAVIGATION SYSTEMS ELECTRONIC POWER STEERING SYSTEM SOUND & NAVIGATION SYSTEMS ENGINE CONTROLS SYSTEM ENGINE CONTROLS, DOOR LOCKS & ANTI-THEFT SYSTEMS ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM ANTI-THEFT & SUPPLEMENTAL RESTRAINTS SYSTEMS HEADLIGHTS SYSTEM HORNS SYSTEM ENGINE CONTROLS SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS TO ENGINE ROOM R/B 2 (DIAGRAM 2 OF 4) INSTRUMENT CLUSTER & EXTERIOR LIGHTS SYSTEMS ENGINE CONTROLS & TRANSMISSIONS SYSTEMS INTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM TO AM2 FUSE (DIAGRAM 2 OF 4) MEMORY & TRUNK, TAILGATE, FUEL DOORS SYSTEMS INTERIOR LIGHTS SYSTEM ENGINE CONTROLS, ANTI-LOCK BRAKES, CRUISE CONTROL, INSTRUMENT CLUSTER, COMPUTER DATA LINES, ELECTRONIC POWER STEERING, MIRRORS & MEMORY SYSTEMS DEFOGGER SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM INSTRUMENT CLUSTER & INTERIOR LIGHTS SYSTEMS DOOR LOCKS & ANTI-THEFT SYSTEMS TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 4) AIR CONDITIONING & COOLING FANS SYSTEMS ENGINE CONTROLS SYSTEM
AGND SS2 SS1 AGND L C IG1D ACCD SSW1 SSW2 IG2D B+ E 10A 7.5A 30A B ALTB 20A F 7.5A 7.5A 7.5A 15A 10A 7.5A 25A 7.5A A 15A 25A ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY POWER SWITCH CERTIFICATION ECU ENGINE ROOM R/B 2 INSTRUMENT PANEL J/B ASSEMBLY CRUSH UNLOCK RELAY MAIN BODY ECU TRK OPN RELAY 24 6 H57 4 HA3 11 A9 28 30 9 A70 2 A3 B21 A2 31 C1 A49 A15 D17 A17 C5 C2 A3 A46 A50 1 5 6 E2 C8 D3 11 A1 WHT/ BLK WHT/BLK RED LT GRN BLU WHT LT BLU BLK LT GRN VIO RED WHT WHT/BLK BLK GRY GRN VIO LT GRN LT BLU GRY LT BLU BLK WHT BLK LT GRN PNK PNK VIO LT GRN RED WHT/ BLK RED WHT BLU RED YEL RED IG2 RELAY IG2- MAIN FUSE AM2 FUSE INJ FUSE IGN FUSE ECU-IG2 3 FUSE IGCT- MAIN FUSE INV W/ PMP FUSE D/L-AM1 FUSE ECU- IG2 1 FUSE ECU- IG2 2 FUSE A/B FUSE P/SEAT F/R FUSE A/C-B FUSE S/ROOF FUSE (LEFT FRONT OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT HEADLAMP ASSEMBLY) (BEHIND LEFT HEADLAMP ASSEMBLY) (RIGHT REAR OF ENGINE COMPT) (LEFT END OF DASH) A1 A1 FROM DC/DC FUSE (DIAGRAM 1 OF 4) ENGINE CONTROLS, CRUISE CONTROL, EXTERIOR LIGHTS & SHIFT INTERLOCK SYSTEMS ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 4 OF 4) FROM ECU-B 2 FUSE (DIAGRAM 3 OF 4) ENGINE CONTROLS SYSTEM FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 1 OF 4) MEMORY & SEATS SYSTEMS POWER TOPS SYSTEM ANTI-LOCK BRAKES SYSTEM COMPUTER DATA LINES, DOOR LOCKS, SUPPLEMENTAL RESTRAINTS & ANTI-THEFT SYSTEMS NAVIGATION SYSTEM ENGINE CONTROLS, AIR CONDITIONING, ANTI-LOCK BRAKES, CRUISE CONTROL, DOOR LOCKS, INSTRUMENT CLUSTER, WIPER/WASHER, HEADLIGHTS, EXTERIOR LIGHTS, SHIFT INTERLOCK, ANTI-THEFT, WARNING, SUPPLEMENTAL RESTRAINTS, INTERIOR LIGHTS, ELECTRONIC POWER STEERING, POWER TOPS, NAVIGATION & SOUND SYSTEMS AIR CONDITIONING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM
J B E K E B F 5A H 15A G 7.5A ACC E 15A D 15A 7.5A 25A 30A 10A 20A 20A 20A 20A 20A 7.5A 7.5A 10A INSTRUMENT PANEL J/B ASSEMBLY FUEL OPN RELAY INSTRUMENT PANEL J/B ASSEMBLY MAIN BODY ECU B16 A31 C21 D28 C2 A34 C1 B5 A1 A5 A13 C16 A10 D30 C20 B29 B12 E1 A32 D9 C5 D7 D8 D3 D6 B37 B36 B10 A4 B40 B22 D32 B39 29 2 2 1 1 BLU RED (OR GRY) BLK PNK BLU BLK BLU LT GRN RED YEL GRY GRY RED RED BLU WHT PNK WHT BLK GRY PNK BRN BLU WHT GRY BLK BLU VIO VIO GRN VIO WHT/BLK WHT/BLK BLU RED ECU-B 2 FUSE PTL FUSE DOOR F/R FUSE STRG HTR FUSE P/SEAT F/L FUSE DOOR R/L FUSE DOOR R/R FUSE DOOR F/L FUSE STOP FUSE TI & TE FUSE OBD FUSE ECU- ACC FUSE A/C-IG1 FUSE TAIL FUSE P/OUTLET RR FUSE CIG & P/ OUTLET FUSE RADIO- ACC FUSE POWER OUTLET SOCKET ASSEMBLY 2 POWER OUTLET SOCKET ASSEMBLY 1 (LEFT END OF DASH) (LEFT END OF DASH) (RIGHT CENTER OF DASH) H1 FROM ENGINE ROOM J/B ASSEMBLY (DIAGRAM 1 OF 4) TO ACC 2 RELAY (DIAGRAM 4 OF 4) TO D/L-AM1 FUSE (DIAGRAM 2 OF 4) SEATS SYSTEM MEMORY & SEATS SYSTEMS AIR CONDITIONING, POWER WINDOWS, WARNING, SEATS, NAVIGATION & SOUND SYSTEMS COMPUTER DATA LINES SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM MEMORY & ELECTRONIC POWER STEERING SYSTEMS POWER WINDOWS SYSTEM POWER WINDOWS & MEMORY SYSTEMS DOOR LOCKS, SHIFT INTERLOCK, ANTI-THEFT, ENGINE CONTROLS, ANTI-LOCK BRAKES, CRUISE CONTROL & EXTERIOR LIGHTS SYSTEMS POWER WINDOWS SYSTEM FROM ACC 1 RELAY (DIAGRAM 4 OF 4) FROM IG1 1 RELAY (DIAGRAM 4 OF 4) FROM ACC 2 RELAY (DIAGRAM 4 OF 4) FROM TAIL RELAY (DIAGRAM 4 OF 4) COMPUTER DATA LINES & TRANSMISSIONS SYSTEMS NAVIGATION & SOUND SYSTEMS AIR CONDITIONING SYSTEM EXTERIOR LIGHTS & INTERIOR LIGHTS SYSTEMS SEATS SYSTEM AIR CONDITIONING SYSTEM MIRRORS SYSTEM ENGINE CONTROLS & AIR CONDITIONING SYSTEMS EXTERIOR LIGHTS SYSTEM SOUND, NAVIGATION & INSTRUMENT CLUSTER SYSTEMS ENGINE CONTROLS SYSTEM HEADLIGHTS & EXTERIOR LIGHTS SYSTEMS COMPUTER DATA LINES, NAVIGATION, POWER WINDOWS, AIR CONDITIONING, SEATS & SOUND SYSTEMS
20A 10A H 10A 10A B C K D 5A TRLY E 10A 25A 10A 7.5A G 10A 10A IG INSTRUMENT PANEL J/B ASSEMBLY MAIN BODY ECU MAIN BODY ECU C14 D37 A54 B23 A27 14 32 B7 A44 C4 A7 A56 D36 A55 B11 C27 B27 A12 D1 A11 D4 D26 GRN RED RED WHT BLU WHT/ BLK RED PNK YEL PNK VIO GRN ORG GRY VIO BLU PNK RED LT GRN LT GRN ACC 2 RELAY ACC 1 RELAY TAIL RELAY IG1 2 RELAY IG1 3 RELAY IG1 4 RELAY IG1 1 RELAY S/ HTR RR FUSE WASHER FUSE WIPER FUSE ECU-IG1 2 FUSE H-LP LVL FUSE S/HTR & FAN F/R FUSE S/HTR & FAN F/L FUSE ECU- IG1 3 FUSE PANEL 2 FUSE EPS- IG1 FUSE ECU- IG1 1 FUSE (LEFT END OF DASH) (RIGHT CENTER OF DASH) H1 FROM CERTIFICATION ECU (DIAGRAM 2 OF 4) FROM CERTIFICATION ECU (DIAGRAM 2 OF 4) FROM OBD FUSE (DIAGRAM 3 OF 4) TO ECU-ACC FUSE (DIAGRAM 3 OF 4) TO P/OUTLET RR FUSE (DIAGRAM 3 OF 4) TO A/C-IG1 FUSE (DIAGRAM 3 OF 4) TO TAIL FUSE (DIAGRAM 3 OF 4) MIRRORS, WIPER/WASHER & NAVIGATION SYSTEMS ANTI-LOCK BRAKES, MEMORY, NAVIGATION, COMPUTER DATA LINES & ELECTRONIC POWER STEERING SYSTEMS HEADLIGHTS SYSTEM CRUISE CONTROL SYSTEM WIPER/WASHER SYSTEM SEATS SYSTEM ELECTRONIC POWER STEERING SYSTEM MEMORY, PASSIVE RESTRAINTS, WARNING, TRUNK, TAILGATE, FUEL DOORS & POWER WINDOWS SYSTEMS INTERIOR LIGHTS SYSTEM CRUISE CONTROL, NAVIGATION & ANTI-LOCK BRAKES SYSTEMS AIR CONDITIONING, EXTERIOR LIGHTS, COOLING FANS, ANTI-LOCK BRAKES, HEADLIGHTS, DEFOGGER & BODY COMPUTER SYSTEMS SEATS, MEMORY, AIR CONDITIONING, POWER TOPS WIPER/WASHER, SHIFT INTERLOCK, PASSIVE RESTRAINTS, POWER WINDOWS, NAVIGATION, WARNING, SOUND & MIRRORS SYSTEMS