Lexus·Gs450H·2018 Lexus GS450H·Wiring
Wiring diagram

2018 Lexus GS450H — power distribution

Sheets 7Labels 945

Power distribution

10A 30A G C 80A 80A 80A F 40A 80A E BECU A B D 10A 7.5A 10A 30A 10A 10A 7.5A 30A D ALT BATT 30A 10A 10A 10A 5A 30A 30A 30A 60A 100A 150A 220A 30A 40A ENGINE ROOM J/B 1 ASSEMBLY INTEGRATION RELAY BATTERY ENGINE ROOM R/B 1 ASSEMBLY OIL PUMP RELAY IGCT RELAY ENGINE ROOM J/B 1 ASSEMBLY INTEGRATION RELAY ENGINE ROOM R/B 1 ASSEMBLY LEFT COWL SIDE J/B RIGHT COWL SIDE J/B MAIN BODY ECU 1H 1K 1 AU2 3 A1 30 A18 D32 A41 C33 C32 C46 C23 C35 A64 1I 3 1J G1 1L B7 7D 7E C1 C2 BLK BLK WHT BLK BLU BLU LT GRN RED BLK PNK BLK PNK PNK PNK PNK PNK BLK PNK PNK BLU BLU GRY VIO LT GRN YEL PNK PNK BLU RED GRN PNK GRN VIO RED GRN BLK BLK BLK/WHT BLK BLK BLK RED BLK BLK/WHT BLK BLU FUSIBLE LINK BLOCK ASSEMBLY ENG R/B-B FUSE LH J/B-B FUSE RR J/B-B FUSE ARS FUSE DC/DC FUSE LUG J/B DC/DC FUSE EPS FUSE P/I DC/DC FUSE RH J/B DC/DC FUSE P/I-B 1 FUSE OIL PMP FUSE ODS FUSE H-LP RH FUSE ABS 2 FUSE VGRS FUSE EPB FUSE ETCS FUSE IGCT 1 FUSE INV W/P FUSE HORN FUSE ABS MAIN 1 FUSE ABS MAIN 2 FUSE D/C CUT FUSE ECU-B FUSE EPS-B FUSE H-LP LH FUSE CAPACITOR FUSE DOME FUSE MPX-B FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT REAR OF LUGGAGE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (RIGHT END OF DASH) TO LH J/B DC/DC FUSE (DIAGRAM 2 OF 7) ELECTRONIC POWER STEERING SYSTEM TO LUGGAGE ROOM J/B 1 ASSEMBLY (DIAGRAM 6 OF 7) TO LEFT COWL SIDE J/B (DIAGRAM 7 OF 7) TO LUGGAGE ROOM J/B 1 ASSEMBLY (DIAGRAM 6 OF 7) ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM TO ABS MAIN 2 FUSE (DIAGRAM 1 OF 7) SHIFT INTERLOCK SYSTEM ANTI-LOCK BRAKES SYSTEM ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM WARNING & SUPPLEMENTAL RESTRAINTS SYSTEMS TO RIGHT COWL SIDE J/B (DIAGRAM 3 OF 7) ENGINE CONTROLS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM TO RH J/B-B FUSE (DIAGRAM 2 OF 7) FROM IGCT 1 FUSE (DIAGRAM 1 OF 7) INTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM HEADLIGHTS SYSTEM ELECTRONIC POWER STEERING SYSTEM DOOR LOCKS, ELECTRONIC POWER STEERING & ANTI-THEFT SYSTEMS ANTI-LOCK BRAKES SYSTEM MEMORY SYSTEMS MEMORY SYSTEMS POWER WINDOWS, DOOR LOCKS, ANTI-THEFT & MEMORY SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM ANTI-LOCK BRAKES SYSTEM POWER WINDOWS, INSTRUMENT CLUSTER, DOOR LOCKS, COMPUTER DATA LINES, ANTI-THEFT, MEMORY, MIRRORS, SEATS, NAVIGATION & SOUND SYSTEMS POWER WINDOWS, DOOR LOCKS, ANTI-THEFT & MEMORY SYSTEMS
SS2 SS1 10A B E N M L K H AM21 10A 30A 7.5A 30A 30A 30A 10A ACCD AM22 IG2D SSW2 IG1D SSW1 10A 10A 20A 25A J 40A B E 50A 80A 80A ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM J/B 1 ASSEMBLY EFI MAIN2 RELAY A/F RELAY INJ RELAY CERTIFICATION ECU EFI MAIN1 RELAY POWER SWITCH J/C A53 RIGHT COWL SIDE J/B POWER MANAGEMENT CONTROL ECU D24 B7 F3 6 C47 BA2 1 2 C3 N92 N92 6 1 12 7 C7 C12 A16 A2 A15 A20 F1 C6 D3 A50 6 1 N94 6 1 5 1 1 N91 A36 2 17 N92 N91 2 7 F2 F6 E4 F7 E2 F1 D1 BLU BLK WHT/BLK BLK WHT BLK GRN GRN GRN WHT/BLK WHT/BLK WHT/BLK PNK RED RED BLU PNK PNK PNK BLK BLK BLK BLK YEL WHT/BLK YEL WHT/BLK VIO GRN YEL PNK BLU GRN BLU VIO BLK BLK GRN GRY BLK BLU WHT/BLK BLK BLK BLK BLU RH J/B-B FUSE LH J/B DC/DC FUSE FILTER FUSE P/I-B 2 FUSE FAN 1 FUSE WIRING HARNESS CONDENSER ASSEMBLY 2 IG2 MAIN FUSE EFI MAIN FUSE IG2 RELAY IGN FUSE INJ FUSE MULTIMEDIA FUSE RAD 2 FUSE AM2 FUSE RAD 1 FUSE RR DOOR FUSE FR DOOR FUSE AIR BAG FUSE (LEFT SIDE OF ENGINE COMPT) (RIGHT FRONT OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (BASE OF RIGHT KICK PANEL) (RIGHT FRONT OF ENGINE COMPT) (LEFT END OF DASH) (LEFT REAR CORNER OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (RIGHT END OF DASH) (RIGHT END OF DASH) N7 B1 A6 A1 (NOT USED) (NOT USED) TO H-LP CLN FUSE (DIAGRAM 4 OF 7) FROM DC/DC FUSE (DIAGRAM 1 OF 7) FROM D/C CUT FUSE (DIAGRAM 1 OF 7) TO LEFT COWL SIDE J/B (DIAGRAM 4 OF 7) COOLING FANS SYSTEM ENGINE CONTROLS SYSTEM TO LEFT COWL SIDE J/B (DIAGRAM 7 OF 7) TO ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 4 OF 7) TO RIGHT COWL SIDE J/B (DIAGRAM 3 OF 7) TO RIGHT COWL SIDE J/B (DIAGRAM 3 OF 7) DOOR LOCKS, ANTI-THEFT, MEMORY & POWER WINDOWS SYSTEMS POWER WINDOWS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SOUND & NAVIGATION SYSTEMS
Q B E B E 10A 25A 30A 7.5A 15A 15A 7.5A 15A 20A 20A N P C M RIGHT COWL SIDE J/B B1 D7 D6 A42 D28 A41 A12 C2 1 3 1 2 A46 C15 A45 C5 C1 A38 A3 A6 D4 A62 B4 B18 C14 B12 A19 A40 A4 E1 A25 WHT/BLK BLU BLK PNK LT GRN WHT/BLK WHT/BLK BLU GRY GRY YEL WHT WHT BLK GRY WHT LT GRN BLU BLU YEL YEL BLK WHT/BLK BLU BLU FR P/OUTLET FUSE RR P/OUTLET FUSE ACC FUSE RH ACC RELAY RH-IG1 RELAY 2 RH-IG1 RELAY 1 RR PWR OUTLET RELAY FR PWR OUTLET RELAY RH ECU-IG FUSE STRG HTR FUSE AVS FUSE WASH FUSE F/R P/SEAT1 FUSE F/R P/SEAT2 FUSE OBD FUSE POWER OUTLET SOCKET ASSEMBLY REAR POWER OUTLET SOCKET ASSEMBLY 2 (RIGHT END OF DASH) (RIGHT CENTER OF DASH) (LEFT CENTER OF DASH) (RIGHT "C" PILLAR) N5 N6 T2 (NOT USED) (NOT USED) (NOT USED) (NOT USED) FROM POWER MANAGEMENT CONTROL ECU (DIAGRAM 2 OF 7) TO LEFT COWL SIDE J/B (DIAGRAM 4 OF 7) FROM POWER MANAGEMENT CONTROL ECU (DIAGRAM 2 OF 7) FROM ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 1 OF 7) TO RH-IG FUSE (DIAGRAM 5 OF 7) ELECTRONIC POWER STEERING SYSTEMS SOUND, NAVIGATION & SEATS SYSTEMS COMPUTER DATA LINES SYSTEM SOUND & NAVIGATION SYSTEMS SEATS & MEMORY SYSTEMS MEMORY SYSTEMS NAVIGATION SYSTEM ANTI-LOCK BRAKES SYSTEM NAVIGATION SYSTEM AIR CONDITIONING SYSTEM ELECTRONIC SUSPENSION SYSTEM ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS WIPER/WASHER SYSTEM SEATS SYSTEM INSTRUMENT CLUSTER, ENGINE CONTROLS, TRANSMISSIONS, SOUND, NAVIGATION & BODY COMPUTER SYSTEMS
S U R P K H 10A 30A 5A 10A 5A 5A 5A J 30A 50A 50A 7.5A 50A 30A 10A ENGINE ROOM R/B 1 ASSEMBLY LEFT COWL SIDE J/B B2 C13 A37 D14 B7 B8 A40 D5 A39 B1 C4 D6 D7 D3 E1 A35 WHT/BLK GRN LT GRN LT BLU LT GRN BLU BLU BLU BLU BLK WHT/BLK GRN RED RED LT GRN GRN BLK BLK BLK GRN BLK YEL BLK WHT LT GRN LT GRN BLK ABS MAIN 3 FUSE A/C W/P FUSE GAUGE FUSE ABS 1 FUSE IG2 1 FUSE HTR FUSE H-LP CLN FUSE PTC 2 FUSE PTC 1 FUSE LH-IG1 RELAY 1 LH-IG1 RELAY 2 WIPER-IG FUSE LH ECU-IG FUSE LH ECU- IG2 FUSE WIPER FUSE FL S/HTR FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (BASE OF LEFT KICK PANEL) N1 (NOT USED) FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 2 OF 7) FROM FILTER FUSE (DIAGRAM 2 OF 7) INSTRUMENT CLUSTER, INTERIOR LIGHTS, SUPPLEMENTAL RESTRAINTS, WARNING, HEADLIGHTS, ENGINE CONTROLS, EXTERIOR LIGHTS, POWER TOPS, NAVIGATION, CRUISE CONTROL, SHIFT INTERLOCK, DOOR LOCKS, AIR CONDITIONING, SOUND, ANTI-THEFT, ELECTRONIC SUSPENSION, ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS NAVIGATION & COMPUTER DATA LINES SYSTEMS ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEM FROM ENGINE ROOM R/B 1 ASSEMBLY (DIAGRAM 2 OF 7) FROM RIGHT COWL SIDE J/B (DIAGRAM 3 OF 7) TO TI & TE FUSE (DIAGRAM 7 OF 7) TO LH-IG FUSE (DIAGRAM 5 OF 7) SHIFT INTERLOCK SYSTEM SEATS SYSTEM WIPER/ WASHER SYSTEM CRUISE CONTROL SYSTEM COOLING FANS & SHIFT INTERLOCK SYSTEMS WIPER/ WASHER SYSTEM AIR CONDITIONING & ANTI-LOCK BRAKES SYSTEMS TO LUGGAGE ROOM J/B 1 ASSEMBLY (DIAGRAM 6 OF 7) ELECTRONIC POWER STEERING & ANTI-LOCK BRAKES SYSTEMS SEATS & NAVIGATION SYSTEMS
S IG 10A Q 10A LEFT COWL SIDE J/B MAIN BODY ECU RIGHT COWL SIDE J/B D32 A43 A53 C36 C30 C41 B14 C37 D29 C40 A54 A55 D30 A43 A45 A20 32 A3 B19 C38 C37 B13 A44 C40 B6 C39 WHT LT GRN LT GRN LT GRN LT GRN LT GRN VIO LT GRN WHT VIO LT GRN YEL BLK LT GRN LT GRN WHT LT GRN LT GRN LT GRN LT GRN LT GRN PNK LH-IG FUSE RH-IG FUSE (LEFT END OF DASH) (RIGHT END OF DASH) (NOT USED) (NOT USED) (NOT USED) FROM WIPER-IG FUSE (DIAGRAM 4 OF 7) MEMORY SYSTEMS NAVIGATION SYSTEM HEADLIGHTS SYSTEM MEMORY SYSTEMS NAVIGATION SYSTEM NAVIGATION & SOUND SYSTEMS PASSIVE RESTRAINTS SYSTEM BODY COMPUTER, WIPER/WASHER & AIR CONDITIONING SYSTEMS POWER TOPS, MIRRORS, INTERIOR LIGHTS & WIPER/WASHER SYSTEMS INSTRUMENT CLUSTER SYSTEM MEMORY, POWER WINDOWS, DOOR LOCKS & ANTI-THEFT SYSTEMS FROM RH-IG1 RELAY 1 (DIAGRAM 3 OF 7) COMPUTER DATA LINES SYSTEMS MEMORY SYSTEMS PASSIVE RESTRAINTS SYSTEM DOOR LOCKS, WARNING & ANTI-THEFT SYSTEMS SEATS SYSTEM WARNING SYSTEMS AIR CONDITIONING SYSTEM POWER WINDOWS, DOOR LOCKS, ANTI-THEFT & MEMORY SYSTEMS
U T T ACC2 ACC1 IG AC1 AC2 GND A G 20A 10A 20A 20A 7.5A 7.5A 7.5A 7.5A 10A 15A 25A 5A 5A 7.5A 10A LUGGAGE ROOM J/B 1 ASSEMBLY BACKUP RELAY J/C U64 LUGGAGE ROOM J/B 1 ASSEMBLY BATT FAN RELAY SECURITY HORN RELAY UX2 22 B11 AU2 3 2 1 A32 A33 A20 A38 A1 A6 1 UX1 1 2 2 3 UX1 3 4 1 2 6 7 5 8 A10 A8 A16 B14 A25 A24 A49 A51 A60 A54 E1 D1 A9 B8 WHT/BLK WHT BLK WHT WHT/BLK RED BLK VIO WHT BLU BLU WHT BLK WHT/BLK BLK BLU WHT BLU PNK BLK PNK BLK RED VIO BLK WHT BLU BLK BLK WHT WHT/BLK LT GRN RR-IG1 RELAY 2 RR-IG1 RELAY 1 AC INV (HV) RELAY AC INV (HV) FUSE FR S/HTR FUSE RR S/HTR FUSE RR ECU-IG FUSE EPS-IG FUSE RR-IG1 FUSE BACKUP FUSE VOLTAGE INVERTER ASSEMBLY REAR POWER OUTLET SOCKET ASSEMBLY 2 RR J/B-B FUSE ECU-B 3 FUSE DCM FUSE TRK OPN FUSE PTL FUSE LUG CLOSER FUSE SECURITY FUSE BATT FAN FUSE (LEFT SIDE OF LUGGAGE COMPT) (LEFT SIDE OF LUGGAGE COMPT) (TOP CENTER OF HV BATTERY ASSEMBLY) (LEFT "C" PILLAR) U4 U3 (W/ VOLTAGE INVERTER) FROM LEFT COWL SIDE J/B (DIAGRAM 4 OF 7) FROM PTL FUSE (DIAGRAM 6 OF 7) NAVIGATION SYSTEM AIR CONDITIONING, SEATS, SOUND & NAVIGATION SYSTEMS ELECTRONIC POWER STEERING SYSTEM SEATS SYSTEM CRUISE CONTROL SYSTEM PASSIVE RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS, SYSTEM SHIFT INTERLOCK SYSTEM FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 1 OF 7) FROM FUSIBLE LINK BLOCK ASSEMBLY (DIAGRAM 1 OF 7) TO AC INV (HV) RELAY (DIAGRAM 6 OF 7) WARNING, DOOR LOCKS & ANTI-THEFT SYSTEMS SHIFT INTERLOCK SYSTEM TRUNK, TAILGATE, FUEL DOORS, SYSTEM NAVIGATION SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, SYSTEM
7.5A ALTB 25A R L 10A F 15A 15A 25A 30A 30A 25A 20A 20A 7.5A 7.5A 5A 30A LEFT COWL SIDE J/B POWER CHANGE RELAY LEFT COWL SIDE J/B MAIN BODY ECU POWER CHANGE RELAY 31 A42 A19 A14 A2 C11 C7 C1 C25 D12 A61 B6 A10 B5 D24 D26 B21 D25 D1 F1 WHT BLU RED RED GRN BLU WHT WHT BLU BLU YEL BLU BLK GRN VIO GRN BLU D/L 1 FUSE F/L P/SEAT2 FUSE F/L P/SEAT1 FUSE S/ROOF FUSE P/W-B FUSE A/C FUSE TI & TE FUSE STOP FUSE LH-IG2 FUSE STRG LOCK FUSE FL DOOR FUSE RL DOOR FUSE D/L 2 FUSE LH J/B-B FUSE HAZ FUSE (LEFT END OF DASH) (LEFT END OF DASH) (NOT USED) (NOT USED) FROM LH-IG1 RELAY 1 (DIAGRAM 4 OF 7) POWER TOPS SYSTEM MEMORY SYSTEMS MEMORY, POWER WINDOWS, DOOR LOCKS & ANTI-THEFT SYSTEMS AIR CONDITIONING SYSTEM EXTERIOR LIGHTS, ANTI-LOCK BRAKES, CRUISE CONTROL, TRANSMISSIONS, ENGINE CONTROLS & SHIFT INTERLOCK SYSTEMS FROM ENGINE ROOM J/B 1 ASSEMBLY (DIAGRAM 2 OF 7) FROM FUSIBLE LINK BLOCK ASSEMBLY (DIAGRAM 1 OF 7) ENGINE CONTROLS SYSTEM ENGINE CONTROLS, SHIFT INTERLOCK, DOOR LOCKS & ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER & EXTERIOR LIGHTS SYSTEMS SHIFT INTERLOCK, DOOR LOCKS & ANTI-THEFT SYSTEMS MEMORY, DOOR LOCKS, ANTI-THEFT & POWER WINDOWS SYSTEMS POWER WINDOWS SYSTEM ANTI-LOCK BRAKES SYSTEM ENGINE CONTROLS CRUISE CONTROL & EXTERIOR LIGHTS SYSTEMS