Lexus·Rx450H·2012 Lexus RX450h·Wiring
Wiring diagram

2012 Lexus RX450h — power distribution

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Power distribution

A O J D C B A 10A 10A 30A 15A 30A 15A 7.5A 7.5A 20A 10A 25A 30A 40A 30A 25A 7.5A 50A 50A 40A 30A 50A 30A 50A 150A 10A 10A 7.5A 10A 30A 30A 80A 50A 7.5A 180A ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY EFI MAIN RELAY BATTERY ENGINE ROOM R/B ASSEMBLY DEICER RELAY AIR SUS RELAY RR DEF RELAY L1 11 AF5 1 2 I1 5 5 5 1 3 2 5 1 G19 2 P67 G20 1 K1 BLK RED BLK GRY BLU VIO GRY RED ORG BRN GRN LT GRN PNK BLK BLK WHT YEL BLU BLU BLK BLK RED BLU BRN BLU YEL YEL YEL GRN LT GRN VIO PNK VIO YEL BLK LT GRN GRN GRN YEL YEL YEL BLK NCA NCA FUSIBLE LINK BLOCK ASSEMBLY EPS FUSE RR-B FUSE MAIN FUSE EFI MAIN FUSE IG2 MAIN FUSE AM2 FUSE SHORT PIN EFI 1 FUSE ECU-B 1 FUSE DOME FUSE FUSE BOX DCDC-S FUSE CAPACITOR FUSE DCDC FUSE DEICER FUSE TOWING FUSE STOP FUSE H-LP CLN FUSE RDI FAN 1 FUSE HEATER FUSE PBD FUSE AIR SUS FUSE RR DEF FUSE RDI FAN 2 FUSE IMMOBI FUSE ECU-B 2 FUSE RAD 1 FUSE AMP1 FUSE IP J/B FUSE STR LOCK FUSE ETCS FUSE RAD 3 FUSE HAZ FUSE AMP2 FUSE IG1 MAIN FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM 1 FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT REAR OF LUGGAGE COMPT) (ON LEFT SIDE OF ENGINE COMPT) (REAR OF LUGGAGE COMPT) (ON LEFT SIDE OF ENGINE COMPT) TO DCDC FUSE (DIAGRAM 1 OF 4) ELECTRONIC POWER STEERING SYSTEM TRUNK, TAILGATE, FUEL DOORS, MEMORY, INSTRUMENT CLUSTER, BODY COMPUTER, ANTI-LOCK BRAKES, GARAGE DOOR OPENER, ANTI-THEFT, DOOR LOCKS & ELECTRONIC POWER STEERING SYSTEMS ENGINE CONTROLS SYSTEM INTERIOR LIGHTS SYSTEM TO IG2 RELAY (DIAGRAM 2 OF 4) ANTI-LOCK BRAKES SYSTEM ENGINE CONTROLS SYSTEM TO J/C F63 & F64 (DIAGRAM 4 OF 4) FROM SHORT PIN (DIAGRAM 1 OF 4) EXTERIOR LIGHTS, SHIFT INTERLOCK & ENGINE CONTROLS SYSTEMS WIPER/ WASHER SYSTEM AIR CONDITIONING SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM EXTERIOR LIGHTS SYSTEM COOLING FANS & AIR CONDITIONING SYSTEMS TO HV R/B 2 FUSE (DIAGRAM 2 OF 4) DOOR LOCKS & ANTI-THEFT SYSTEMS EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS, AIR CONDITIONING, MIRRORS,SOUND, POWER WINDOWS, NAVIGATION, DOOR LOCKS & ELECTRONIC POWER STEERING SYSTEMS ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ANTI-LOCK BRAKES SYSTEM NAVIGATION & SOUND SYSTEMS SOUND SYSTEMS ANTI-THEFT & DOOR LOCKS SYSTEMS TO IG1 RELAY (DIAGRAM 2 OF 4) TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 4)
E E 10A 7.5A G C D F 10A 10A 7.5A 7.5A 7.5A 10A 10A 15A 10A 10A 20A 7.5A 10A B 50A 80A 50A 7.5A 15A 30A ENGINE ROOM R/B ASSEMBLY HEAD RELAY (RL) DRL RELAY HEAD RELAY (LL) BI-XENON RELAY S-HORN RELAY HORN RELAY A/F RELAY INSTRUMENT PANEL J/B ENGINE ROOM R/B 3 ENGINE ROOM R/B ASSEMBLY J/C A63 F3 A49 A26 F30 A53 A54 F12 3 2 3 3 2 1 5 1 5 A1 A1 J1 BLK GRN BLK WHT RED YEL YEL BLK BLK RED BLK WHT/BLK PNK VIO BRN BLU VIO BLU BLU WHT/BLK GRN BLK BLK YEL WHT/BLK RED BLK YEL BLK WHT BLU BLK BLK WHT GRN BRN ORG RED GRN S-HORN FUSE HORN FUSE A/F FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM MAIN 3 FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM 2 FUSE PD FUSE MAYDAY/ TEL FUSE HV R/B 1 FUSE HV R/B 2 FUSE GAUGE 2 FUSE ECU IG2 FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM MAIN 2 FUSE A/C W/P FUSE BATT FAN FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM MAIN 1 FUSE OIL PMP FUSE IG2 RELAY IG1 RELAY IGN FUSE AFS FUSE BK/UP LP FUSE HEATER 2 FUSE ECU IG1 FUSE (ON LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF DASH) (LEFT SIDE OF ENGINE COMPT) (ON LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF DASH) A6 FROM RAD 1 FUSE (DIAGRAM 1 OF 4) TO IG2 RELAY (DIAGRAM 2 OF 4) ENGINE CONTROLS SYSTEM NAVIGATION SYSTEM ANTI-LOCK BRAKES SYSTEM INSTRUMENT CLUSTER, ANTI-THEFT, SHIFT INTERLOCK & DOOR LOCKS SYSTEMS ENGINE CONTROLS & ANTI-LOCK BRAKES SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM ENGINE CONTROLS SYSTEM ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING & NAVIGATION SYSTEMS EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 4) FROM IG1 MAIN FUSE (DIAGRAM 1 OF 4) TO POWER MANAGEMENT CONTROL ECU (DIAGRAM 4 OF 4) FROM IG2 MAIN FUSE (DIAGRAM 1 OF 4) EXTERIOR LIGHTS SYSTEM WIPER/WASHER, CRUISE CONTROL, ELECTRONIC SUSPENSION, COOLING FANS, HEADLIGHTS & SUPPLEMENTAL RESTRAINTS SYSTEMS DEFOGGER & AIR CONDITIONING SYSTEMS HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM FROM GAUGE 2 FUSE (DIAGRAM 2 OF 4)
J H M L K 7.5A B E B E 15A N ACC E F 15A 10A 10A IG 10A 10A 10A 25A 15A 20A 30A 15A 15A 10A 10A TRLY INSTRUMENT PANEL J/B MAIN BODY ECU J/C F92 MAIN BODY ECU J/C F92 UF1 4 UF1 6 10 PF4 A32 A29 9 A27 A28 8 D9 D10 1 2 1 2 A20 K1 1 2 A2 A17 A30 A38 A37 D40 A18 32 A19 D16 A39 D29 D30 H35 D31 D15 F14 H32 H30 H29 A33 F7 H4 F8 F4 A10 H12 A5 3A F39 A55 H5 14 GRY GRY WHT/BLK WHT/BLK PNK GRY BRN YEL WHT/BLK GRN WHT/BLK GRN YEL BLK GRN GRY ORG VIO BLU BRN ORG YEL PNK GRY VIO VIO RED LT BLU PNK YEL GRN YEL PNK VIO WHT YEL GRN BLU YEL BLU YEL PNK WHT/BLK GRY GRN VIO ACC2 RELAY IG1 1 RELAY GAUGE 1 FUSE ECU IG1 1 FUSE ECU IG1 3 FUSE RADIO 2 FUSE CIG FUSE FRONT POWER POINT SOCKET ASSEMBLY 1 ACC1 RELAY IG1 2 RELAY TAIL RELAY IG1 3 RELAY IG1 4 RELAY TAIL FUSE PANEL FUSE HEATER FUSE ECU-IG1 2 FUSE P/POINT FUSE RR WIP FUSE FR WASH FUSE RR WASH FUSE FR WIP FUSE LH S-HTR FUSE RH S-HTR FUSE REAR POWER POINT SOCKET ASSEMBLY FRONT POWER POINT SOCKET ASSEMBLY 2 (LEFT SIDE OF DASH) (UNDER CENTER CONSOLE) (RIGHT KICK PANEL) (LEFT "B" PILLAR) (UNDER CENTER CONSOLE) F3 F5 P2 F3 FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 1 OF 4) TO POWER MANAGEMENT CONTROL ECU (DIAGRAM 4 OF 4) TO POWER MANAGEMENT CONTROL ECU (DIAGRAM 4 OF 4) FROM IG1 RELAY (DIAGRAM 2 OF 4) NAVIGATION SYSTEM ANTI-LOCK BRAKES SYSTEM TRANSMISSIONS SYSTEM MIRRORS & MEMORY SYSTEMS POWER TOPS, MIRRORS & NAVIGATION SYSTEMS SHIFT INTERLOCK SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TO J/C F94 (DIAGRAM 4 OF 4) NAVIGATION, SOUND, EXTERIOR LIGHTS & INSTRUMENT CLUSTER SYSTEMS SOUND SYSTEMS SOUND & NAVIGATION SYSTEMS SUPPLEMENTAL RESTRAINTS & MEMORY SYSTEMS WARNING SYSTEM ELECTRONIC POWER STEERING SYSTEM WIPER/ WASHER & SEATS SYSTEMS TO D/L ALT B FUSE (DIAGRAM 4 OF 4) TO ECU-ACC FUSE (DIAGRAM 4 OF 4) ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM PASSIVE RESTRAINT SYSTEM WIPER/WASHER SYSTEM SEATS SYSTEM NAVIGATION SYSTEM DEFOGGER & AIR CONDITIONING SYSTEMS INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS & HEADLIGHTS SYSTEMS
O H N G E01 SSW1 E02 E12 IG2D ACCD AM21 AM22 E1 SSW2 IG1D M ACC2 ACC1 IG AC1 GND AC2 ACC 10A L 30A 30A 30A 30A 20A 7.5A 20A 30A 7.5A 10A 25A 25A 25A 25A 15A ALT B 25A K INSTRUMENT PANEL J/B MAIN BODY ECU D/L SOURCE RELAY BK/DR LOCK RELAY FR FOG RELAY MAIN BODY ECU J/C F94 POWER MANAGEMENT CONTROL ECU POWER SWITCH J/C F93 J/C P38 J/C F63 & F64 J/C F92 PF1 5 6 PF1 UF1 1 2 1 F64 10 F63 11 2 1 3 F97 5 7 A81 F98 5 4 2 2 1 7 6 1 17 20 2 7 5 8 49 9 20 9 1 3 2 4 1 2 3 1 5 2 1 4 3 5 7 8 6 A51 29 A50 A6 H13 A9 A4 F2 D24 H18 D8 A52 H3 A12 A14 A11 31 RED RED LT BLU RED WHT/BLK WHT/BLK BRN BRN LT GRN BRN WHT/BLK RED BLK BLK GRN GRY BRN LT BLU BLK LT GRN WHT/BLK WHT/BLK BRN ORG WHT/BLK WHT/BLK RED BLK WHT/BLK BLK BRN RED BLK RED WHT/BLK BRN BLK BLU BLK YEL LT GRN LT GRN YEL YEL GRY RED BLK LT GRN BLK BRN GRY GRN RL DOOR FUSE D/L ALT B FUSE FL DOOR FUSE OBD FUSE DR LOCK FUSE RR DOOR FUSE FR FOG FUSE FR DOOR FUSE ECU-ACC FUSE P-SEAT RH FUSE TI & TE FUSE PSB FUSE AIR SUS FUSE FUEL OPN FUSE S/ROOF FUSE P-SEAT LH FUSE INVERTER FUSE POWER OUTLET SOCKET ASSEMBLY INVERTER RELAY VOLTAGE INVERTER (LEFT SIDE OF DASH) (RIGHT SIDE OF DASH) (LEFT SIDE OF DASH) (LEFT 'C' PILLAR) (LEFT SIDE OF DASH) (LEFT "D" PILLAR) (LEFT SIDE OF DASH) (UNDER CENTER CONSOLE) (LEFT KICK PANEL) (LEFT "C" PILLAR) (LEFT SIDE OF CARGO AREA) (NOT USED) F1 P3 F3 FROM ACC1 RELAY (DIAGRAM 3 OF 4) MIRRORS, MEMORY & POWER WINDOWS SYSTEMS MIRRORS, MEMORY & POWER WINDOWS SYSTEMS POWER WINDOWS SYSTEM COMPUTER DATA LINES SYSTEM FROM ACC1 RELAY (DIAGRAM 3 OF 4) AIR CONDITIONING, NAVIGATION & SOUND SYSTEMS INSTRUMENT CLUSTER SYSTEM MEMORY SYSTEMS POWER TOPS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM ELECTRONIC SUSPENSION SYSTEM SEATS SYSTEM FROM IG2 RELAY (DIAGRAM 2 OF 4) FROM ECU IG1 3 (DIAGRAM 3 OF 4) FROM ACC2 RELAY (DIAGRAM 3 OF 4) FROM IG1 1 RELAY (DIAGRAM 3 OF 4) FROM AM2 FUSE (DIAGRAM 1 OF 4)