Lexus·Is250·2015 Lexus IS250·Wiring
Wiring diagram

2015 Lexus IS250 — power distribution

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Power distribution

A ALT 7.5A 30A K H E C B 15A 15A 10A 40A 30A 80A 10A 10A 30A 20A 10A 10A 50A 100A 80A 50A 30A 120A A 50A 80A 10A 20A 5A 80A 40A 50A 120A 5A 5A 150A 50A ENGINE ROOM J/B 1 ENGINE ROOM R/B 1 BATTERY INSTRUMENT PANEL J/B STARTER ASSEMBLY ENGINE ROOM J/B 2 ENGINE ROOM R/B 2 SEMI CONDUCTOR POWER INTEGRATION ECU H1 A1 1E C31 D32 B30 C32 I1 1B 1D 1C 1A BLK BLK BLU) (OR BLK/ BLK WHT BLK BLK GRN RED WHT BLK RED GRY LT GRN BLU RED LT GRN LT GRN BLK LT GRN WHT PNK BLK WHT BLK WHT BLK WHT RED BLK BLK DK GRN BLK/ BLK BLK BLU BLK BLK BLK PNK BLK/ BLK GRY RED BLK BLK J/B LH-AM FUSE ALT FUSE ALT-S FUSE ENG-AM FUSE P/I-B FUSE D/C CUT FUSE J/B LH-B FUSE FUEL PMP FUSE MPX-B 1 FUSE PTC HTR 1 FUSE PTC HTR 2 FUSE P/I-AM FUSE EPS-B FUSE EPS FUSE ABS 2 FUSE VGRS FUSE ST FUSE DCM FUSE ENG-B FUSE MPX-B 2 FUSE ABS 1 FUSE HTR FUSE H-LP CLN FUSE MIR HTR FUSE NOISE FILTER FUSE STRG HTR FUSE IG1-MAIN FUSE FAN FUSE STOP FUSE ETCS FUSE S-HORN FUSE INJ FUSE HORN FUSE (RIGHT REAR OF ENGINE COMPT) (RIGHT REAR OF ENGINE COMPT) (RIGHT REAR OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) XA (NOT USED) TO ENGINE ROOM J/B 2 (DIAGRAM 1 OF 4) TO ENGINE ROOM J/B 2 (DIAGRAM 2 OF 4) STARTING/ CHARGING SYSTEM TO INSTRUMENT PANEL J/B (DIAGRAM 4 OF 4) STARTING/ CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 4) AIR CONDITIONING SYSTEM STARTING/ CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM ELECTRONIC POWER STEERING SYSTEM AIR CONDITIONING SYSTEM NAVIGATION SYSTEM ELECTRONIC POWER STEERING SYSTEM DOOR LOCKS, ANTI-THEFT, MEMORY, INSTRUMENT CLUSTER, INTERIOR LIGHTS & ELECTRONIC POWER STEERING SYSTEMS MEMORY SYSTEMS FROM ENGINE ROOM J/B 1 (DIAGRAM 1 OF 4) DOOR LOCKS SYSTEM TO ENGINE ROOM R/B 2 (DIAGRAM 2 OF 4) TO ENGINE ROOM R/B 2 (DIAGRAM 2 OF 4) DOOR LOCKS, ANTI-THEFT, EXTERIOR LIGHTS, ENGINE CONTROLS, CRUISE CONTROL & TRANSMISSIONS SYSTEMS HORNS SYSTEM ANTI-THEFT & DOOR LOCKS SYSTEMS COOLING FANS SYSTEM ENGINE CONTROLS SYSTEM SEATS SYSTEM DEFOGGER SYSTEM WIPER/WASHER SYSTEM
D F IG BATT G 10A 10A 15A 20A 25A 15A E 15A 20A 5A 5A 5A 25A 5A 20A 10A C B ENGINE ROOM R/B 2 J/C 1 GROUND J/C 1 ENGINE ROOM J/B 2 SEMICONDUCTOR POWER INTEGRATION ECU A/F RELAY H-LP LH-LO RELAY H-LP RH-LO RELAY EFI-MAIN RELAY D11 22 17 18 F2 G4 G3 F4 E1 B1 1 3 5 2 3 1 2 GRN GRN GRN GRN BLU BLK BLK BLK BLK GRN GRN BLU GRN BLK LT GRN WHT BLK BLU BLU RED WHT/ BLK BLK WHT/ RED RED WHT/ BLK BLK WHT/ GRN GRN IGI MAIN RELAY RADAR-IG FUSE EPS-IG FUSE WASHER FUSE WIPER FUSE ALT-IG FUSE ENG-IG 1 FUSE ENG-IG 2 FUSE AVS FUSE WIRING HARNESS CONDENSER ASSEMBLY 1 EFI-MAIN FUSE H-LP RH-LO FUSE A/F FUSE H-LP LH-LO FUSE IG2-MAIN FUSE IG2 RELAY IG2 FUSE P INJ FUSE (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (RIGHT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) AC AE FROM ENGINE ROOM J/B 2 (DIAGRAM 1 OF 4) FROM ENGINE ROOM J/B 2 (DIAGRAM 1 OF 4) ELECTRONIC SUSPENSION SYSTEM WIPER/WASHER SYSTEM ELECTRONIC POWER STEERING SYSTEM CRUISE CONTROL SYSTEM FROM INSTRUMENT PANEL J/B (DIAGRAM 4 OF 4) STARTING/ CHARGING SYSTEM WIPER/WASHER SYSTEM COOLING FANS SYSTEM DOOR LOCKS & ANTI-THEFT SYSTEMS FROM ENGINE ROOM J/B 1 (DIAGRAM 1 OF 4) ENGINE CONTROLS & TRANSMISSIONS SYSTEMS ENGINE CONTROLS & TRANSMISSIONS SYSTEMS TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 4) FROM INSTRUMENT PANEL J/B (DIAGRAM 4 OF 4) ENGINE CONTROLS SYSTEM
J M L BECU O O N 10A 30A 30A 30A 20A 7.5A 7.5A 30A 30A 30A 15A 10A 10A 5A 15A 15A 7.5A 20A 5A H 7.5A 7.5A 7.5A 7.5A SS2 SS1 ACCD IG1D AGND G SSW2 SSW1 +B INSTRUMENT PANEL J/B DOME CUT RELAY MAIN BODY ECU CERTIFICATION ECU ENGINE SWITCH INSTRUMENT PANEL J/B ALL DR LOCK RELAY D DR UNLOCK RELAY L/D DR UNLOCK RELAY FUEL LOCK RELAY 31 C19 A8 A28 A27 A44 A43 C9 A53 D30 A15 D20 A31 A11 A13 B8 A14 A1 D4 D5 A56 A32 B15 D27 A21 A30 A50 A10 A3 F1 K6 9 3 5 6 1 A22 12 A13 K6 18 16 10 C2 BLK BLK RED YEL BLU LT VIO BLK BLK LT GRN BLK BLK BLU WHT VIO ORG LT BLU BLK GRN BLK GRN LT BLU BLU GRN GRN BLK LT GRN ORG BLK PNK VIO GRY LT GRN BLU LT GRN BLU GRY ORG WHT DOME FUSE STRG LOCK FUSE ODS FUSE SMART FUSE HAZ FUSE J/B-B FUSE AMP 1 FUSE IGN 2 FUSE A/BAG-IG2 FUSE ECU-B FUSE METER FUSE D/L FUSE AM2 FUSE AMP 2 FUSE IGN 1 FUSE RADIO FUSE DOOR F/R FUSE DOOR R/R FUSE P/SET F/R FUSE J/B-AM FUSE RR SHADE FUSE OBD FUSE TI & TE FUSE (LEFT END OF DASH) (RIGHT END OF DASH) (LEFT END OF DASH) (NOT USED) (NOT USED) FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 4) FROM ENGINE ROOM J/B 2 (DIAGRAM 2 OF 4) TO ALL DR LOCK RELAY (DIAGRAM 3 OF 4) SUPPLEMENTAL RESTRAINTS SYSTEM SHIFT INTERLOCK SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM NAVIGATION SYSTEM SHIFT INTERLOCK SYSTEM INTERIOR LIGHTS SYSTEM ELECTRONIC POWER STEERING SYSTEM NAVIGATION & SOUND SYSTEMS INSTRUMENT CLUSTER SYSTEM NAVIGATION & SOUND SYSTEMS INSTRUMENT CLUSTER & EXTERIOR LIGHTS SYSTEMS COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS SYSTEM CRUISE CONTROL & EXTERIOR LIGHTS SYSTEMS TO INSTRUMENT PANEL J/B (DIAGRAM 4 OF 4) TO INSTRUMENT PANEL J/B (DIAGRAM 4 OF 4) FROM ECU-ACC FUSE (DIAGRAM 4 OF 4) FROM ACC RELAY (DIAGRAM 4 OF 4) FROM D/L FUSE (DIAGRAM 3 OF 4) MEMORY & ELECTRONIC POWER STEERING SYSTEMS SEATS SYSTEM MEMORY SYSTEMS POWER TOPS SYSTEM WARNING SYSTEMS POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM COMPUTER DATA LINES SYSTEM
J F D M 1 GND L TRLY 7.5A 15A IG ACC E B N 30A 20A K 7.5A 7.5A 30A 30A 7.5A 7.5A 5A 7.5A 10A 10A 10A 10A 15A 5A 15A 10A INSTRUMENT PANEL J/B MAIN BODY ECU BKUP LP RELAY J/C 1 J/C 10 TRUNK OPEN RELAY MAIN BODY ECU 11 A23 12 KS1 17 10 11 11 10 8 A42 A19 A55 C5 D19 14 A12 D3 C17 C10 A52 D29 C21 D28 A39 32 D34 A54 C3 C12 C13 D14 D15 30 B13 B12 D21 C20 D13 3 1 B1 C11 B19 B7 A33 C23 A49 B32 C22 E1 C19 A35 D6 A16 GRY VIO BLK GRN GRN RED VIO BLK GRN LT GRN BLK BLU RED RED WHT BLK BLU VIO VIO VIO YEL ORG GRN GRY RED RED GRN BLK LT BLU GRN GRN VIO GRY BLK BLK PNK BLU BLK WHT/ BLK WHT/ BLK LT GRN VIO PNK BLK WHT/ BLK WHT/ BLK IG1 1 RELAY IG1 2 RELAY IG1 3 RELAY ECU-IG1 1 FUSE IG1 1 FUSE IG1 2 FUSE S/HTR F/L FUSE S/HTR F/R FUSE WIPER SW-IG FUSE BKUP LP FUSE ECU-IG1 2 FUSE IG1 3 FUSE TAIL RELAY DOOR R/L FUSE A/C FUSE P/OUTLET 1 FUSE P/SEAT F/L FUSE P/W FUSE DOOR F/L FUSE ECU-ACC FUSE TRUNK OPN FUSE S/ROOF FUSE PANEL FUSE ACC RELAY P/OUTLET RELAY TAIL FUSE POWER OUTLET SOCKET ASSEMBLY (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (MIDDLE OF LEFT "A" PILLAR) (RIGHT KICK PANEL) (LEFT KICK PANEL) KC KA (NOT USED) (NOT USED) (NOT USED) FROM CERTIFICATION ECU (DIAGRAM 3 OF 4) TO ENGINE ROOM J/B 2 (DIAGRAM 2 OF 4) TO ENGINE ROOM R/B 2 (DIAGRAM 2 OF 4) FROM ENGINE ROOM J/B 1 (DIAGRAM 1 OF 4) POWER TOPS, PASSIVE RESTRAINTS, WARNING & MEMORY SYSTEMS ANTI-LOCK BRAKES SYSTEM NAVIGATION SYSTEM SHIFT INTERLOCK SYSTEM TRANSMISSIONS SYSTEM WIPER/WASHER SYSTEM SEATS SYSTEM SEATS SYSTEM HEADLIGHTS & WIPER/ WASHER SYSTEMS CRUISE CONTROL, TRANSMISSIONS & EXTERIOR LIGHTS SYSTEMS AIR CONDITIONING SYSTEM ENGINE CONTROLS, TRANSMISSIONS & CRUISE CONTROL SYSTEMS ANTI-LOCK BRAKES & ELECTRONIC POWER STEERING SYSTEMS AIR CONDITIONING, MEMORY, NAVIGATION & ELECTRONIC POWER STEERING SYSTEMS AIR CONDITIONING, SEATS, NAVIGATION, SOUND, DEFOGGER & TRANSMISSIONS SYSTEMS NAVIGATION SYSTEM WIPER/WASHER, MIRRORS & POWER TOPS SYSTEMS COMPUTER DATA LINES, NAVIGATION & WARNING SYSTEMS TO OBD FUSE (DIAGRAM 3 OF 4) TO L/D DR UNLOCK RELAY (DIAGRAM 3 OF 4) INTERIOR LIGHTS & INSTRUMENT CLUSTER SYSTEMS MEMORY SYSTEMS AIR CONDITIONING & DEFOGGER SYSTEMS POWER WINDOWS, MIRRORS & MEMORY SYSTEMS EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS TRANSMISSIONS SYSTEM SEATS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM FROM CERTIFICATION ECU (DIAGRAM 3 OF 4) NAVIGATION & SOUND SYSTEMS POWER TOPS SYSTEM