Lexus·Rx350·2019 Lexus RX350·Wiring
Wiring diagram

2019 Lexus RX350 — power distribution

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Power distribution

A 40A ALT 50A (12 GA-WHT) 100A F BATT C 20A 30A 30A 30A 30A 50A 80A 30A 30A 30A 7.5A 30A 25A 10A 80A 30A 30A 20A 10A 20A 150A 30A 50A 30A 30A 30A 30A B ENGINE ROOM J/B SEMICONDUCTOR POWER INTEGRATION ECU ENGINE ROOM R/B BATTERY 1B 1H 1A (OR YEL) (OR WHT) (OR RED) (OR YEL) (OR YEL) BLK (OR WHT) BLK BLK RED BLU LT BLU GRN WHT BLU BLU LT BLU BLK BLK YEL WHT RED BLK WHT WHT BLK BLK RED BLU GRN BLK RED RED BLU BLK BLK BLK YEL LT BLU PNK GRN ALT FUSE J/B-AM FUSE FUSIBLE LINK MAIN ABS 2 FUSE ABS 1 FUSE ST FUSE EPS FUSE S/HTR F/L FUSE PTC HTR 2 FUSE HTR FUSE H-LP CLN FUSE S/HTR F/R FUSE PTC HTR 3 FUSE A/C RR FUSE S/ROOF 2 FUSE PTC HTR 1 FUSE S/HTR RR FUSE P/SEAT R/R FUSE P/SEAT R/L FUSE PBD FUSE FAN FUSE FUEL PMP FUSE S-HORN FUSE WIPER FUSE ETCS FUSE HORN FUSE TOWING FUSE AMP FUSE H-LP RH FUSE H-LP LH FUSE INJ FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) TO A/F FUSE (DIAGRAM 4 OF 7) STARTING/ CHARGING SYSTEM TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 6 OF 7) STARTING/ CHARGING SYSTEM ELECTRONIC POWER STEERING SYSTEM STARTING/ CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM TO P/OUTLET FUSE (DIAGRAM 3 OF 7) WIPER/ WASHER SYSTEM POWER TOPS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM COOLING FANS SYSTEM SEATS SYSTEM SEATS SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM TO D/C CUT FUSE (DIAGRAM 2 OF 7) WIPER/ WASHER SYSTEM ANTI-THEFT & DOOR LOCKS SYSTEMS HORNS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM NAVIGATION & SOUND SYSTEMS ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM
1 2 1 2 1 2 K BECU N M IG1D H G 5A 10A D TAIL ILL- B+ PGND DIS ACC CUTB E +B ACCD SSW2 AGND SS1 SSW1 GND SS2 WCSW 15A 40A 5A B 5A 10A J/C 21 (J120) ENGINE ROOM R/B INSTRUMENT PANEL J/B ASSEMBLY MAIN BODY ECU J/C 7 (J101) J/C 37 (J139) J/C 12 (J110) J/C 25 (S73 & S74) J/C 16 (J115) CERTIFICATION ECU ENGINE SWITCH 1 11 18 C24 31 3 6 4 39 7 JA1 1 9 10 8 7 5 7 6 17 2 8 17 4 3 9 1 7 B22 17 S73 S74 S74 A32 16 18 D29 A10 20 19 18 JR2 5 9 11 10 12 1 4 6 7 5 3 2 8 15 J41 7 4 R1 21 11 18 16 23 J41 5 1 6 C1 (OR ORG) VIO LT BLU PNK LT BLU PPL/ORG PPL/BLK PPL/LT BLU PPL/BLU LT BLU LT BLU GRY GRN GRN PNK BLU RED RED GRN YEL PNK GRN GRY VIO WHT YEL GRN WHT YEL RED GRN ORG VIO WHT/BLK LT BLU WHT/BLK VIO RED PNK VIO VIO VIO RED YEL PNK VIO RED PNK WHT/BLK LT BLU BLU BLU WHT VIO LT BLU RADIO 1 FUSE D/C CUT FUSE J/B-BAT FUSE RADIO 2 FUSE ECU- DCC 2 FUSE ECU- DCC 1 FUSE METER FUSE MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (RIGHT CENTER OF DASH) (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (TOP CENTER OF DASH) (LEFT SIDE OF CARGO AREA) (RIGHT END OF DASH) (RIGHT KICK PANEL) (RIGHT KICK PANEL) (LEFT END OF DASH) (RIGHT END OF DASH) TMMC MADE TMK MADE (NOT USED) (TMMC MADE) (TMK MADE) (IF EQUIPPED) JE JE FROM HORN FUSE (DIAGRAM 1 OF 7) NAVIGATION SYSTEM NAVIGATION & SOUND SYSTEMS TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 7) ANTI-LOCK BRAKES SYSTEM FROM J/C 10 (J106 & J107) (DIAGRAM 6 OF 7) INSTRUMENT CLUSTER SYSTEM SEATS SYSTEM MEMORY SYSTEMS TRUNK, TAILGATE, FUEL DOORS & INTERIOR LIGHTS SYSTEMS INSTRUMENT CLUSTER SYSTEM MIRRORS SYSTEM MEMORY SYSTEMS SEATS SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 7) INTERIOR LIGHTS SYSTEM TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 7) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 6 OF 7) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 7)
ELS3 T 7.5A EXCD S E 30A 15A 10A 30A ACC2 ACC1 P IG AC1 GND AC2 D B E B E C 20A 15A ENGINE ROOM R/B J/C 8 (J102 & J103) INSTRUMENT PANEL J/B ASSEMBLY J/C 14 (J113) J/C 14 (J113) J/C 13 (J111) J/C 24 (S71) ECM 3 JR5 19 Rx2 8 Vx1 Vx1 7 Rx2 16 1 2 AR1 11 3 1 5 2 A37 28 12 AS3 J103 J102 J102 6 JA1 15 5 7 6 9 1 14 13 JA1 2 1 3 5 AS3 2 4 4 JS1 38 3 2 1 2 3 1 5 2 1 3 5 7 6 4 4 5 8 A21 8 1 A18 JS1 60 1 3 1 2 10 11 12 C5 A2 WHT/BLK WHT/BLK GRN GRN WHT/BLK WHT/BLK BLK WHT/BLK BLK YEL YEL BLK BLK BLK PNK PNK GRY RED BLU YEL RED WHT/BLK WHT/BLK WHT/BLK WHT/BLK WHT/BLK RED RED BLU RED RED BLU RED WHT/BLK BLU BLU RED GRN BLU GRN WHT WHT VIO BLU RED WHT/BLK RED WHT GRN WHT/BLK WHT/BLK WHT/BLK RED RED WHT/BLK WHT/BLK WHT/BLK ORG GRY WHT/BLK PPL/BLU PPL PPL/YEL PPL/BLU ORG GRY PPL/YEL BLU RED BLU GRY ECU-IG1 8 FUSE ECU-IG1 7 FUSE ECU-IG1 9 FUSE IG1- MAIN FUSE P/OUTLET FUSE P/OUTLET 2 FUSE INV FUSE P/OUTLET 2 RELAY USB RELAY IGNITION RELAY 1 INVERTER RELAY USB JACK (REAR SEAT CENTER ARMREST ASSEMBLY) POWER OUTLET SOCKET ASSEMBLY 2 REAR POWER OUTLET SOCKET ASSEMBLY 1 VOLTAGE INVERTER ASSEMBLY REAR POWER OUTLET SOCKET ASSEMBLY 2 (LEFT SIDE OF ENGINE COMPT) (UNDER CENTER CONSOLE) (LEFT FRONT OF CENTER CONSOLE) (LEFT END OF DASH) (LEFT END OF DASH) (LEFT FRONT OF CENTER CONSOLE) (LEFT END OF DASH) (LEFT END OF DASH) (LEFT END OF DASH) (LEFT SIDE OF CARGO AREA) (AT VOLTAGE INVERTER ASSEMBLY) (LEFT SIDE OF CARGO AREA) (LEFT SIDE OF CARGO AREA) (RIGHT KICK PANEL) (LEFT CENTER REAR OF CARGO AREA) (LEFT CENTER REAR OF CARGO AREA) (LEFT SIDE OF CARGO AREA) (W/ 3RD ROW & 2ND ROW SEAT BENCH) (IF EQUIPPED) JC JC RC SB JE RB SE FROM P/SEAT R/R FUSE (DIAGRAM 1 OF 7) EXTERIOR LIGHTS SYSTEM TO ENGINE ROOM R/B (DIAGRAM 4 OF 7) SEATS SYSTEM FROM J/C 16 (J115) (DIAGRAM 2 OF 7) INSTRUMENT CLUSTER SYSTEM NAVIGATION & SOUND SYSTEMS FROM J/C 7 (J101) (TMMC MADE) J/C 37 (J139 & J140) (TMK MADE) (DIAGRAM 7 OF 7) FROM J/C 10 (J106 & J107) (DIAGRAM 6 OF 7) FROM J/C 25 (S73 & S74) (DIAGRAM 7 OF 7)
A J 5A 10A 10A 15A 15A 25A 15A 20A 10A 5A 15A 10A E ENGINE ROOM R/B ENGINE ROOM J/B H-LP RH-LO RELAY H-LP LH-LO RELAY A/F RELAY EFI-MAIN RELAY ENGINE ROOM R/B F4 G4 G3 F2 E1 2 1 3 5 GRN BLK YEL LT BLU BLK GRN RED GRN YEL YEL WHT BLK BLK LT BLU WHT WHT GRY WHT WHT WHT/BLK WHT/BLK BLU IG1-MAIN RELAY STRG HTR FUSE ECU- IG1 5 FUSE ECU- IG1 6 FUSE AVS FUSE IG2 RELAY H-LP LH-LO FUSE H-LP RH-LO FUSE A/F FUSE IG2-MAIN FUSE EFI-MAIN FUSE IG2 FUSE P INJ FUSE ECU-IG2 1 FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (W/O HEADLIGHT BEAM LEVEL CONTROL) (W/O HEADLIGHT BEAM LEVEL CONTROL) AD TRANSMISSIONS SYSTEM ANTI-LOCK BRAKES SYSTEM ELECTRONIC SUSPENSION SYSTEM SEATS & NAVIGATION SYSTEMS COOLING FANS SYSTEM SHIFT INTERLOCK SYSTEM FROM ENGINE ROOM R/B (DIAGRAM 3 OF 7) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 7) FROM ALT FUSE (DIAGRAM 1 OF 7) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM SHIFT INTERLOCK SYSTEM
J 20A R 5A 5A 15A 20A Q L K 5A 10A 5A H 7.5A 7.5A 5A 7.5A 10A 10A 10A 5A G INSTRUMENT PANEL J/B ASSEMBLY L/D-DR UNLOCK RELAY ALL DR LOCK RELAY FUEL LOCK RELAY D-DR UNLOCK RELAY J/C 11 (J108 & J109) J/C 8 (J102 & J103) J/C 10 (J106 & J107) 3 B20 C2 C14 C11 C9 A1 A3 C21 4 1 J107 J106 J106 6 6 3 3 B31 A55 D12 A11 A17 B3 C12 C15 J102 10 1 2 J103 A47 B19 D36 B32 A44 A33 A43 B8 C3 A9 7 9 D32 J108 J109 J109 J109 2 4 1 5 4 A22 C22 A23 D31 F1 BLU YEL PNK LT GRN BLU WHT LT BLU LT GRN PNK GRN LT BLU GRN WHT/BLK YEL RED ORG BLK WHT BLK ORG GRY GRY VIO YEL BLK VIO BLK YEL GRN VIO PNK LT BLU RED BLK LT GRN RED LT BLU BLU STRG LOCK FUSE ECU-B 2 FUSE ECU-B 1 FUSE ECU-B 3 FUSE DCM FUSE D/L FUSE AM2 FUSE HAZ FUSE STOP FUSE IG2 2 RELAY IG1 1 RELAY IG1 2 RELAY A/BAG- IG2 FUSE METER- IG2 FUSE ECU- IG2 3 FUSE ECU-IG1 1 FUSE WIPER RR FUSE WASHER FUSE EPS-IG1 FUSE (LEFT END OF DASH) (UPPER LEFT END OF DASH) (UPPER LEFT CENTER OF DASH) (UNDER CENTER CONSOLE) (RIGHT END OF DASH) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) JD FROM ENGINE ROOM R/B (DIAGRAM 2 OF 7) EXTERIOR LIGHTS & INSTRUMENT CLUSTER SYSTEMS EXTERIOR LIGHTS, SHIFT INTERLOCK, ENGINE CONTROLS, DOOR LOCKS, ANTI-THEFT, CRUISE CONTROL & ANTI-LOCK BRAKES SYSTEMS SHIFT INTERLOCK SYSTEM ANTI-THEFT SYSTEM NAVIGATION SYSTEM POWER WINDOWS, DOOR LOCKS, ANTI-THEFT, MIRRORS & MEMORY SYSTEMS TO CERTIFICATION ECU (DIAGRAM 2 OF 7) AIR CONDITIONING SYSTEM COMPUTER DATA LINES SYSTEM WARNING SYSTEMS SHIFT INTERLOCK SYSTEM MEMORY SYSTEMS TO ECU-IG1 4 FUSE (DIAGRAM 7 OF 7) FROM ACC RELAY (DIAGRAM 6 OF 7) FROM TAIL RELAY (DIAGRAM 6 OF 7) ELECTRONIC POWER STEERING SYSTEM TO ENGINE ROOM R/B (DIAGRAM 4 OF 7) WIPER/WASHER SYSTEM FROM CERTIFICATION ECU (DIAGRAM 2 OF 7) EXTERIOR LIGHTS, ANTI-LOCK BRAKES, ENGINE CONTROLS & CRUISE CONTROL SYSTEMS WARNING & SUPPLEMENTAL RESTRAINTS SYSTEMS ENGINE CONTROLS, STARTING/CHARGING, 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 & TRANSMISSIONS SYSTEMS ENGINE CONTROLS & TRANSMISSIONS SYSTEMS NAVIGATION SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM NAVIGATION SYSTEM
T 7.5A 5A 10A TRLY Q 20A 7.5A 7.5A 30A 20A 30A 20A 30A 30A 30A F ACC ACC E E ACC N 15A 5A M L INSTRUMENT PANEL J/B ASSEMBLY DOME CUT RELAY MAIN BODY ECU J/C 13 (J111 & J112) J/C 10 (J106 & J107) 19 B11 D26 D15 B6 A12 D7 D20 6 13 15 A53 D30 D22 C32 14 D1 A54 B24 B25 B27 A6 D2 D3 D11 A13 D4 B7 E1 1 1 2 2 2 J111 J112 5 1 J107 17 20 14 12 J106 14 30 22 J106 19 18 18 J107 A14 A40 A30 YEL GRN LT GRN PPL/PNK LT BLU BLK GRN LT BLU PPL/GRN LT GRN BLU YEL PPL/GRN RED BLU RED (OR PNK) PNK BLK GRN BLK WHT/BLK PPL PPL/BLU GRY PNK RED ORG LT BLU LT GRN RED YEL VIO BLU YEL PPL/GRY GRY P/SEAT F/R FUSE P/SEAT F/L FUSE OBD FUSE DOOR F/R FUSE DOOR R/L FUSE TI & TE FUSE DOOR F/L FUSE S/ROOF FUSE DOME FUSE DOOR R/R FUSE TAIL RELAY ACC RELAY DOOR BACK RELAY ECU- ACC FUSE DOOR BACK FUSE PANEL FUSE TAIL FUSE P/OUTLET 1 FUSE POWER OUTLET SOCKET ASSEMBLY 3 POWER OUTLET SOCKET ASSEMBLY 1 (LEFT END OF DASH) (LEFT END OF DASH) (RIGHT END OF DASH) (LEFT FRONT OF CENTER CONSOLE) (RIGHT KICK PANEL) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) JE JC COMPUTER DATA LINES SYSTEM POWER TOPS SYSTEM MEMORY SYSTEMS POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, MIRRORS, DEFOGGER & MEMORY SYSTEMS POWER WINDOWS, MIRRORS, DEFOGGER & MEMORY SYSTEMS SEATS & MEMORY SYSTEMS SEATS SYSTEM FROM ENGINE ROOM J/B (DIAGRAM 1 OF 7) INTERIOR LIGHTS SYSTEM TO IG1 2 RELAY (DIAGRAM 5 OF 7) TO IG2 2 RELAY (DIAGRAM 5 OF 7) FROM J/C 16 (J115) (DIAGRAM 2 OF 7) EXTERIOR LIGHTS SYSTEM HEADLIGHTS & EXTERIOR LIGHTS SYSTEMS INTERIOR LIGHTS SYSTEM ENGINE CONTROLS, EXTERIOR LIGHTS, SHIFT INTERLOCK, CRUISE CONTROL, NAVIGATION & TRANSMISSIONS SYSTEMS NAVIGATION SYSTEM COMPUTER DATA LINES SYSTEM INSTRUMENT CLUSTER SYSTEM SOUND SYSTEMS NAVIGATION SYSTEM NAVIGATION & SOUND SYSTEMS TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 2 OF 7) TO USB RELAY (DIAGRAM 3 OF 7)
1 2 1 2 1 2 S 7.5A P IG 10A 5A R 7.5A INSTRUMENT PANEL J/B ASSEMBLY MAIN BODY ECU J/C 11 (J108 & J109) J/C 7 (J101) J/C 37 (J139 & J140) BKUP LP RELAY J/C 4 (A88) J/C 26 (S75) J/C 26 (S93) J/C 25 (S73 & S74) 6 J101 J139 J140 J101 5 7 7 5 J140 J101 6 D27 C23 16 C10 3 6 1 4 2 A35 S74 19 21 22 20 S73 5 5 7 S74 20 21 17 19 12 13 15 16 14 D35 21 J108 J109 15 22 13 J108 18 12 J109 32 B30 16 A56 15 17 18 20 C17 LT GRN RED BLU ORG GRY PNK BLU BLU GRY GRN GRN LT BLU PNK BLU LT GRN BLK VIO PNK BLU VIO LT BLU LT BLU GRY BLK RED WHT BLU VIO RED PNK YEL WHT PNK BLK LT GRN GRN GRY GRY ECU-IG1 3 FUSE ECU-IG1 4 FUSE BKUP LP FUSE ECU-IG1 2 FUSE (LEFT END OF DASH) (UPPER LEFT END OF DASH) (TOP CENTER OF DASH) (RIGHT SIDE OF DASH) (LEFT REAR OF CARGO AREA) (LEFT SIDE OF CARGO AREA) TMMC MADE TMK MADE (TMMC MADE) (TMK MADE) (NOT USED) (W/O 3RD ROW SEAT) (W/ 3RD ROW SEAT) FROM IG1 1 RELAY (DIAGRAM 5 OF 7) AIR CONDITIONING & BODY COMPUTER SYSTEMS AIR CONDITIONING SYSTEM WIPER/ WASHER & MIRRORS SYSTEMS WARNING SYSTEMS POWER TOPS SYSTEM PASSIVE RESTRAINTS SYSTEM SEATS SYSTEM NAVIGATION SYSTEM MEMORY SYSTEMS SEATS SYSTEM TO IGNITION RELAY 1 (DIAGRAM 3 OF 7) SEATS SYSTEM ENGINE CONTROLS, EXTERIOR LIGHTS, SHIFT INTERLOCK, CRUISE CONTROL, NAVIGATION & TRANSMISSIONS SYSTEMS CRUISE CONTROL SYSTEM WIPER/WASHER SYSTEM NAVIGATION SYSTEM PASSIVE RESTRAINTS SYSTEM NAVIGATION SYSTEM CRUISE CONTROL & NAVIGATION SYSTEMS MEMORY SYSTEMS SEATS SYSTEM TO INVERTER RELAY (DIAGRAM 3 OF 7) AIR CONDITIONING SYSTEM