Lexus·Rx400H·2008 Lexus RX400H·Wiring
Wiring diagram

2008 Lexus RX400H — power distribution

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Power distribution

O 30A 50A B (12 GA-WHT) 7.5A TRLY N C F 7.5A 15A 7.5A 30A 25A 7.5A 40A 30A 15A 25A 50A 7.5A 10A A 30A 20A 30A 20A 7.5A 10A 30A 15A 7.5A E 7.5A 10A 20A 30A 30A 40A 40A 40A A 30A 120A (12 GA-WHT) FUSIBLE LINK BLOCK BATTERY FUSIBLE LINK BLOCK INSTRUMENT PANEL J/B FR FOG RELAY BODY ECU F1 1 2 1 2 7 H11 L11 D6 D14 C4 C5 P8 L4 1 E1 M5 F17 J7 P1 R12 M4 C8 O4 5 L1 K10 J6 P7 5 1 2 3 F6 L3 C1 A1 WHT WHT BLK/ GRN WHT NCA WHT/ BLU WHT/ BLU YEL WHT RED/ BLU VIO LT BRN BLU BLK WHT GRN YEL PNK RED GRN YEL LT BLU BLK LT GRN BLK BRN BLK/ WHT BLK/ NCA BRN LT GRN YEL VIO GRY RED BLU VIO BLK BLK/ WHT RED LT BLU BLK GRN YEL BLK/ BLK RED/ YEL BLK BRN YEL BLK DC/DC FUSE TOWING FUSE PBD FUSE HEATER FUSE RR DEF FUSE PWR OUTLET 2 FUSE RDI FAN 2 FUSE RDI FAN 1 FUSE IG1 FUSE H-LP CLN FUSE FUSIBLE LINK MAIN SHORT PIN DOOR 1 FUSE A/F FUSE AMP FUSE CRT FUSE MAIN FUSE IGCT 1 FUSE MPX-B1 FUSE HORN FUSE AM2 1 FUSE HAZ FUSE DOME FUSE RADIO 1 FUSE ECU-B2 FUSE ECU-B1 FUSE FUSIBLE LINK MAIN 2 P/SEAT FUSE STOP FUSE FR FOG FUSE TAIL RELAY SHORT PIN OBD FUSE S/ROOF FUSE LH RR DOOR FUSE PWR FUSE RH RR DOOR FUSE FUEL OPN FUSE PANEL FUSE TAIL FUSE (LEFT SIDE OF ENGINE COMPARTMENT) (LEFT SIDE OF ENGINE COMPARTMENT) (LEFT SIDE OF DASH) (NOT USED) (NOT USED) (NOT USED) TO AM2 1 (DIAGRAM 1 OF 3) EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM AIR CONDITIONING SYSTEM WIPER/ WASHER SYSTEM DEFOGGER SYSTEM TO INVERTER RELAY (DIAGRAM 3 OF 3) TO IGN 1 RELAY (DIAGRAM 2 OF 3) TO IG1-B RELAY (DIAGRAM 3 OF 3) COOLING FANS SYSTEM ENGINE CONTROLS SYSTEM FROM DC/DC FUSE (DIAGRAM 1 OF 3) EXTERIOR LIGHTS, SUPPLEMENTAL RESTRAINTS, WARNING, ANTI-THEFT, BODY COMPUTER, DOOR LOCKS, INTERIOR LIGHTS, HEADLIGHTS, INSTRUMENT CLUSTER, ELECTRONIC SUSPENSION, CRUISE CONTROL, NAVIGATION, POWER TOPS, ENGINE CONTROLS, ANTI-LOCK BRAKES, SHIFT INTER LOCK & TRUNK TAILGATE, FUEL DOORS SYSTEMS TRANSMISSIONS, ENGINE CONTROLS, CRUISE CONTROL, DOOR LOCKS, WIPER/WASHER, SHIFT INTERLOCK, ANTI-THEFT & NAVIGATION SYSTEMS DOOR LOCKS, POWER WINDOWS, POWER TOPS & ANTI-THEFT SYSTEMS SOUND & NAVIGATION SYSTEMS SOUND SYSTEMS ANTI-THEFT, BODY COMPUTER, DOOR LOCKS, INTERIOR LIGHTS, HEADLIGHTS, INSTRUMENT CLUSTER, EXTERIOR LIGHTS, AIR CONDITIONING, WIPER/ WASHER, GARAGE DOOR OPENER, NAVIGATION, POWER TOPS, MEMORY, WARNING, POWER WINDOWS, SUPPLEMENTAL RESTRAINTS, TRUNK, TAILGATE, FUEL DOORS, CRUISE CONTROL, COMPUTER DATA LINES, ANTI-LOCK BRAKES & MIRRORS SYSTEMS HEADLIGHTS, WIPER/WASHER, BODY COMPUTER & DOOR LOCKS EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM TO ABS MTR1 FUSE (DIAGRAM 2 OF 3) ANTI-THEFT, DOOR LOCKS, MIRRORS, HEADLIGHTS, POWER WINDOWS, TRUNK, TAILGATE, FUEL DOORS, WIPER/WASHER, INTERIOR LIGHTS, EXTERIOR LIGHTS, WARNING, POWER TOPS, MEMORY & BODY COMPUTER SYSTEMS ANTI-THEFT & HORNS SYSTEMS SYSTEMS TO IGNITION SWITCH AM2 (DIAGRAM 3 OF 3) SOUND, NAVIGATION & WARNING SYSTEMS ELECTRONIC POWER STEERING SYSTEM FROM ACC RELAY (DIAGRAM 2 OF 3) EXTERIOR LIGHTS, CRUISE CONTROL & ANTI-LOCK BRAKES SYSTEMS SEATS SYSTEM BODY COMPUTER, POWER WINDOWS, MEMORY & MIRRORS SYSTEMS GARAGE DOOR OPENER & INTERIOR LIGHTS SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM POWER TOPS SYSTEM DOOR LOCKS, MIRRORS, BODY COMPUTER, ANTI-THEFT, MEMORY & POWER WINDOWS SYSTEMS ENGINE CONTROLS, WIPER/WASHER, CRUISE CONTROL, SHIFT INTERLOCK, EXTERIOR LIGHTS & ANTI-LOCK BRAKES SYSTEMS SEATS & MEMORY SYSTEMS
30A B 10A 10A 10A 10A 15A 15A 10A 30A BATB IG ACC I K E H G D D C L 20A 7.5A 7.5A 10A 25A 30A 15A 7.5A 7.5A 7.5A 15A 15A 30A 25A 7.5A 7.5A INSTRUMENT PANEL J/B BODY ECU R/B 4 J/B 4 J/C J13 INSTRUMENT PANEL J/B BODY ECU K9 M16 15 2 O10 22 F10 A1 F2 K8 H16 F14 O9 P2 C2 I2 C12 C11 F16 C6 O3 F11 O6 R10 F19 F12 P4 L12 M18 O12 7 8 F20 M10 I9 F10 1 3 2 5 I3 3 1 2 5 2 B11 F10 1 I4 YEL YEL BLU RED/ WHT RED BLU BLK/ BLK BLU/BLK BLU YEL BLU RED BLU BLU) (OR LT BLU WHT/BLK WHT/BLK WHT/BLK GRN WHT/BLK WHT/BLK WHT/BLK BLK GRY BLU GRY YEL VIO VIO ORG GRN YEL YEL BLU PNK YEL BLK VIO GRN YEL LT GRN GRN GRY WHT/BLK ORG ACC RELAY FR DEF FUSE MPX-B FUSE DOOR 2 FUSE AM1 FUSE TI & TE FUSE PWR OUTLET 1 FUSE CIG FUSE RADIO 2 FUSE ECU-ACC FUSE CIGARETTE LIGHTER ABS MTR 2 FUSE ABS MTR 1 FUSE OIL PUMP FUSE ABS 1 FUSE BATT FAN FUSE DC/DC-S FUSE ABS 2 FUSE ETCS FUSE ABS 3 FUSE IG1 RELAY FR WIP FUSE WASHER FUSE RR WIP FUSE GAUGE 1 FUSE ECU-IG 1 FUSE ECU-IG 2 FUSE HEATER FUSE (LEFT SIDE OF DASH) (LEFT SIDE OF ENGINE COMPARTMENT) (AT LEFT KICK PANEL) (RIGHT SIDE OF DASH) (CENTER OF DASH) (LEFT TOP OF DASH) (AT RIGHT KICK PANEL) (LEFT SIDE OF DASH) (AT LEFT KICK PANEL) (NOT USED) (NOT USED) (NOT USED) II IJ IM II FROM IG1 RELAY (DIAGRAM 2 OF 3) TO TAIL RELAY (DIAGRAM 1 OF 3) NAVIGATION, SOUND & WARNING SYSTEMS COMPUTER DATA LINES, SHIFT INTERLOCK & MIRRORS SYSTEMS DEFOGGER & MIRRORS SYSTEMS ANTI-THEFT SYSTEM TO IGNITION SWITCH ACC (DIAGRAM 3 OF 3) TO IGNITION SWITCH AM1 (DIAGRAM 3 OF 3) SOUND & NAVIGATION SYSTEMS MEMORY SYSTEMS TO REAR J/B (DIAGRAM 3 OF 3) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM FROM FUSIBLE LINK MAIN 2 (DIAGRAM 1 OF 3) CRUISE CONTROL, ENGINE CONTROLS & SHIFT INTERLOCK SYSTEMS ANTI-LOCK BRAKES, CRUISE CONTROL & ENGINE CONTROL SYSTEMS ANTI-LOCK BRAKES, CRUISE CONTROL & ENGINE CONTROL SYSTEMS SHIFT INTERLOCK & ENGINE CONTROLS SYSTEMS ANTI-LOCK BRAKES SYSTEM FROM FUSIBLE LINK BLOCK (DIAGRAM 1 OF 3) TO TI & TE FUSE (DIAGRAM 2 OF 3) CRUISE CONTROL, ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS AIR CONDITIONING, COOLING FANS & DEFOGGER SYSTEMS TO R/B 3 (DIAGRAM 3 OF 3) TO J/B 3 (DIAGRAM 3 OF 3) NAVIGATION & EXTERIOR LIGHTS SYSTEMS ANTI-LOCK BRAKES SYSTEM WIPER/WASHER SYSTEM MIRRORS, WIPER/WASHER, ELECTRONIC POWER STEERING, POWER TOPS & ANTI-THEFT SYSTEMS WIPER/WASHER SYSTEM WIPER/WASHER, HEADLIGHTS & CRUISE CONTROL SYSTEMS CRUISE CONTROL, AIR CONDITIONING, SHIFT INTERLOCK, MIRRORS, MEMORY, COMPUTER DATA LINES, POWER WINDOWS, SEATS, WARNING & ANTI-LOCK BRAKES SYSTEMS CRUISE CONTROL, SEATS, TRUNK, TAILGATE, FUEL DOORS, MEMORY & ANTI-LOCK BRAKES SYSTEMS NAVIGATION, EXTERIOR LIGHTS & PASSIVE RESTRAINT SYSTEMS
7.5A B E B E 20A N 0 H ON OFF LOCK ACC ACC OFF LOCK ON START ACC LOCK OFF ON START START ON OFF ACC LOCK I K AC2 E AC1 IG G 20A 7.5A 10A L START AM1 F AM2 IG1 ACC IG2 ST2 ENGINE ROOM R/B R/B 3 J/B 3 R/B 4 J/C J6 INSTRUMENT PANEL J/B J/B 3 R/B 4 REAR J/B INVERTER MAIN SWITCH J/C J9 J/C J34 J/C J6 8 4 15 12 1 5 1 3 2 3 5 1 2 H2 H1 A6 A9 D11 G4 L1 6 4 3 F3 L4 2 1 8 7 6 5 4 3 2 1 B9 1 B1 1 A18 2 2 7 I7 D1 M14 E9 H7 H8 G9 H2 G12 I7 2 7 4 3 6 8 YEL BLK/ WHT BLK WHT/ WHT/BLK BLK WHT/ YEL BLK YEL RED/ RED/YEL BLK/BLU GRN BLU/ YEL GRN WHT/BLK WHT/BLK GRN VIO VIO WHT/BLK WHT/ BLK WHT/BLK LT BLU WHT/BLK VIO VIO GRN BLK YEL YEL BLK BRN WHT/BLK RED BLK GRN LT BLU WHT/ WHT/ BLK BLK GRN GRN BLK RED WHT GRN GRY YEL WHT BLU ORG RED GRY VIO IGNITION SWITCH IG1-B RELAY SEAT HTR FUSE ST FUSE IGN FUSE INJ FUSE GAUGE 2 FUSE INVERTER RELAY REAR POWER OUTLET FRONT POWER OUTLET POWER OUTLET VOLTAGE INVERTER (ON LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF DASH) (LEFT SIDE OF ENGINE COMPT) (BEHIND LEFT SIDE OF DASH) (LEFT SIDE OF DASH) (AT LEFT KICK PANEL) (LEFT SIDE OF DASH) (LEFT SIDE OF ENGINE COMPT) (LEFT REAR SIDE OF CARGO AREA) (LEFT END OF DASH) (BEHIND LEFT SIDE OF DASH) (LEFT REAR CARGO AREA) (BEHIND RIGHT QUARTERPANEL) (BEHIND RIGHT SIDE OF REAR BUMPER) (BEHIND LEFT SIDE OF DASH) (LEFT REAR OF CARGO AREA) (LEFT REAR OF CARGO AREA) (NOT USED) IH II BT Bd BO IH FROM IG1 FUSE (DIAGRAM 1 OF 3) FROM INSTRUMENT PANEL J/B AM1 FUSE (DIAGRAM 2 OF 3) FROM AM2 1 FUSE (DIAGRAM 1 OF 3) FROM INSTRUMENT PANEL J/B (ACC RELAY) (DIAGRAM 2 OF 3) FROM INSTRUMENT PANEL J/B (IG1 RELAY) (DIAGRAM 2 OF 3) SEATS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS, CRUISE CONTROL & ANTI-LOCK BRAKES SYSTEMS NAVIGATION, ENGINE CONTROLS, HEADLIGHTS, SOUND, WARNING, CRUISE CONTROL, INSTRUMENT CLUSTER, INTERIOR LIGHTS, TRANSMISSIONS, SUPPLEMENTAL RESTRAINTS, AIR CONDITIONING, WIPER/WASHER, EXTERIOR LIGHTS, POWER TOPS, ANTI-LOCK BRAKES, ELECTRONIC POWER STEERING & TRUNK, TAILGATE, FUEL DOORS SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS, CRUISE CONTROL & ENGINE CONTROLS SYSTEMS FROM PWR OUTLET 2 FUSE (DIAGRAM 1 OF 3) SUPPLEMENTAL RESTRAINTS SYSTEM FROM GAUGE 1 FUSE (DIAGRAM 2 OF 3) FROM PWR OUTLET 1 FUSE (DIAGRAM 2 OF 3) EXTERIOR LIGHTS SYSTEM WARNING & NAVIGATION SYSTEMS