Lexus·Is250·2009 Lexus IS250·Wiring
Wiring diagram

2009 Lexus IS250 — power distribution

Sheets 5Labels 677

Power distribution

30A 60A 40A 150A 30A 80A A 60A C 30A 30A D B 15A C 30A 30A 7.5A 15A 7.5A B 10A 25A 25A 20A 15A 10A 10A 20A 15A BATTERY ENGINE ROOM J/B 1 & ENGINE ROOM R/B 1 ENGINE ROOM J/B 2 & ENGINE ROOM R/B 2 ENGINE ROOM J/B 2 & ENGINE ROOM R/B 2 HORN RELAY FRONT CONTROLLER FR TAIL RELAY WASH RELAY FRONT CONTROLLER HEAD HI RELAY FR FOG RELAY F1 E2 G4 K1 D2 E1 D1 E2 16 23 22 21 BLK BLK BLK BLK BLK/ BRN RED WHT RED BLK GRN BLU RED/ BLU WHT/ WHT BLK RED WHT/ RED WHT WHT WHT/ BLU PNK WHT BLK/ WHT/ BLU BLK (W/ DRL) (W/O DRL) W/ DRL HID TYPE (W/O DRL) STARTER FUSE ALT FUSE EPS FUSE E/G-AM FUSE E/G-B FUSE ABS 2 FUSE FAN 1 FUSE RAD 1 FUSE RAD 2 FUSE TURN- HAZ FUSE H-LP CLN FUSE STR LOCK FUSE ETCS FUSE ALT-S FUSE A/C COMP FUSE FR CTRL-B FUSE A/F FUSE FR CTRL-AM FUSE WASHER FUSE FR FOG FUSE H-LP UPR FUSE FR TAIL FUSE HORN FUSE (RIGHT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) TO FAN 2 FUSE (DIAGRAM 2 OF 5) STARTING/ CHARGING SYSTEM ELECTRONIC POWER STEERING SYSTEM ANTI-LOCK BRAKES SYSTEM COOLING FANS SYSTEM STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM TO FR CTRL-B FUSE (DIAGRAM 1 OF 5) TO FR CTRL-AM FUSE (DIAGRAM 1 OF 5) TO ABS 1 FUSE (DIAGRAM 2 OF 5) SOUND & NAVIGATION SYSTEMS EXTERIOR LIGHTS SYSTEM SOUND & NAVIGATION SYSTEMS FROM E/G-B FUSE (DIAGRAM 1 OF 5) FROM E/G-AM FUSE (DIAGRAM 1 OF 5) AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM CRUISE CONTROL, ENGINE CONTROLS & TRANSMISSIONS SYSTEMS WIPER/ WASHER SYSTEM SHIFT INTERLOCK SYSTEM STARTING/ CHARGING SYSTEM
A E B+ 10A 50A 80A 80A 50A 50A 50A 40A G F E 10A D 10A 20A 30A 50A ENGINE ROOM J/B 1 & ENGINE ROOM R/B 1 ENGINE ROOM J/B 1 & ENGINE ROOM R/B 1 HEAD LP RELAY 1 2 G2 E1 G1 N1 F2 2 5 F3 E4 BLK BLK/ WHT BLK WHT/ BLK WHT/ GRN GRN BLU GRN BLK WHT RED BLU/ GRN WHT/ BLU RED WHT BLU/ BLK BLK BLK/ BLK/ WHT BLK/ YEL YEL YEL GRN/ DEFOG FUSE GLW PLG 1 FUSE GLW PLG 2 FUSE HEATER FUSE FAN 2 FUSE LH J/B-AM FUSE RH J/B-AM FUSE CDS FUSE MAIN FUSE ABS 1 FUSE D/C CUT FUSE DOME FUSE MPX-B FUSE NOISE FILTER (GOST BUSTER) (RIGHT REAR OF ENGINE COMPT) (RIGHT REAR OF ENGINE COMPT) (ENGINE ROOM R/B 1) (RIGHT KICK PANEL) J4 FROM FAN 1 FUSE (DIAGRAM 1 OF 5) AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM DEFOGGER SYSTEM COOLING FANS SYSTEM TO A/C FUSE (DIAGRAM 4 OF 5) TO STOP SW (DIAGRAM 4 OF 5) TO IG2 MAIN FUSE (DIAGRAM 3 OF 5) FROM RAD 2 FUSE (DIAGRAM 1 OF 5) INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS, ANTI-THEFT, ANTI-LOCK BRAKES & INSTRUMENT CLUSTER SYSTEMS BODY COMPUTER, EXTERIOR LIGHTS, CRUISE CONTROL, ANTI-LOCK BRAKES, INSTRUMENT CLUSTER, ENGINE CONTROLS, TRANSMISSIONS, ELECTRONIC POWER STEERING, WIPER/WASHER, TRUNK, TAILGATE, FUEL DOORS, HEADLIGHTS, SOUND, INTERIOR LIGHTS, NAVIGATION, WARNING, COMPUTER DATA LINES, MEMORY, ANTI-THEFT, POWER WINDOWS, STARTING/CHARGING, POWER TOPS & SUPPLEMENTAL RESTRAINTS SYSTEMS ANTI-LOCK BRAKES SYSTEM
BATB 30A 30A 60A 20A E H 20A 25A 25A 10A IG2D AM2 AM1 SSW1 IG1D ACCD SSW2 K J 7.5A 20A 20A 10A 7.5A ENGINE ROOM J/B 1 & ENGINE ROOM R/B 1 ENGINE ROOM J/B 2 & ENGINE ROOM R/B 2 EFI MAIN RELAY INJ RELAY EFI 2 RELAY JUNCTION CONNECTOR A9 JUNCTION CONNECTOR A29 & J10 JUNCTION CONNECTOR J71 POWER SOURCE CONTROL ECU RIGHT COWL SIDE J/B BODY ECU POWER SWITCH JUNCTION CONNECTOR J71 JUNCTION CONNECTOR J80 G3 E3 C1 2 5 A5 11 A29 44 1 3 5 35 12 33 34 33 1 J10 37 14 34 11 6 N1 K3 7 2 4 5 50 49 D4 2 J26 A27 D7 D11 J2 J5 A23 L2 K2 A25 10 13 12 RED GRN/ BLK RED BLU BLU LT GRN BLU LT GRN ORG BLK WHT RED/ WHT/ BLK ORG LT GRN ORG BLK RED/ WHT/ WHT RED LT BLU BLK PNK LT GRN BLK BLK WHT/ WHT/ GRN WHT BLK/ BLK LT LT PNK BRN GRN GRN BLK BLK WHT/ WHT/ ORG WHT/ BLK BLK WHT/ P/I-B FUSE IG 2 MAIN FUSE LH J/B-B FUSE RH J/B-B FUSE EFI FUSE INJ FUSE F/PMP FUSE IG 2 FUSE IG 2 RELAY FR DOOR RH FUSE AM2 FUSE IGN FUSE RR DOOR RH FUSE GAUGE FUSE (RIGHT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (RIGHT SIDE OF DASH) (LEFT KICK PANEL) (LEFT REAR OF ENGINE COMPT) (RIGHT SIDE OF DASH) (RIGHT END OF DASH) (RIGHT SIDE OF DASH) (RIGHT KICK PANEL) (RIGHT KICK PANEL) A2 J4 FROM D/C CUT FUSE (DIAGRAM 2 OF 5) TO FR DOOR LH FUSE (DIAGRAM 5 OF 5) ENGINE CONTROLS SYSTEM ENGINE CONTROLS, CRUISE CONTROL & TRANSMISSIONS SYSTEMS TO RH-IG1 RELAY (DIAGRAM 5 OF 5) TO PWR POINT RELAY (DIAGRAM 5 OF 5) INSTRUMENT CLUSTER SYSTEM SHIFT INTERLOCK SYSTEM MEMORY & POWER WINDOWS SYSTEMS POWER WINDOWS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM CRUISE CONTROL, ENGINE CONTROLS, TRANSMISSIONS & ANTI-LOCK BRAKES SYSTEMS
ALTB WIG IG N F 15A 10A 30A 10A 15A 10A 30A 7.5A 30A 25A 10A 7.5A L 7.5A 10A 20A 30A G 7.5A LEFT COWL SIDE J/B TAIL RELAY BODY ECU BODY ECU RIGHT COWL SIDE J/B BODY ECU D13 M1 2 15 L3 D8 K1 D29 L6 J30 J1 A14 J10 J12 J11 A11 K10 K6 K9 J28 A28 J16 J22 D22 D28 A27 6 M1 D28 D22 J29 A15 K4 WHT BLK/ PNK WHT YEL YEL BLK/ BLK/ BLK YEL YEL YEL GRN YEL BLK WHT/ ORG YEL YEL YEL YEL BLK/ BLK RED BLU WHT RED VIO YEL YEL BLU GRN BLK LT BLU WHT BLU/ LH-IG 2 RELAY LH-IG 1 RELAY S/ROOF FUSE TV 1 FUSE A/C FUSE PSB FUSE FR P/ SEAT LH FUSE FUEL OPN FUSE MIR HTR FUSE LH-IG FUSE ECU- IG LH FUSE FR S/ HTR LH FUSE FR WIP FUSE H-LP LVL FUSE FR P/ SEAT RH FUSE OBD FUSE TI & TE FUSE RAD 3 FUSE STOP SW FUSE (LEFT END OF DASH) (LEFT KICK PANEL) (RIGHT END OF DASH) J1 FROM LH J/B-AM FUSE (DIAGRAM 2 OF 5) TO RIGHT COWL SIDE J/B (DIAGRAM 5 OF 5) WIPER/ WASHER SYSTEM POWER TOPS SYSTEM AIR CONDITIONING & DEFOGGER SYSTEMS SEATS SYSTEM DEFOGGER SYSTEM SEATS & MEMORY SYSTEMS HEADLIGHTS SYSTEM NAVIGATION SYSTEM EXTERIOR LIGHTS SYSTEM AIR CONDITIONING & DEFOGGER SYSTEMS INSTRUMENT CLUSTER SYSTEM DEFOGGER SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SOUND & NAVIGATION SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM PASSIVE RESTRAINTS SYSTEM POWER TOPS SYSTEM ELECTRONIC POWER STEERING SYSTEM NAVIGATION, EXTERIOR LIGHTS, CRUISE CONTROL, TRANSMISSIONS, MEMORY, DOOR LOCKS & INTERIOR LIGHTS SYSTEMS ANTI-LOCK BRAKES, CRUISE CONTROL, WIPER/WASHER, EXTERIOR LIGHTS, AIR CONDITIONING, STARTING/CHARGING & COOLING FANS SYSTEMS AIR CONDITIONING, CRUISE CONTROL, ANTI-LOCK BRAKES, MIRRORS, DEFOGGER, SHIFT INTERLOCK, WIPER/WASHER, POWER TOPS & WARNING SYSTEMS FROM RH J/B-AM FUSE (DIAGRAM 2 OF 5) TO PWR POINT RELAY (DIAGRAM 5 OF 5) EXTERIOR LIGHTS, ANTI-LOCK BRAKES, CRUISE CONTROL, TRANSMISSIONS, ENGINE CONTROLS, SHIFT INTERLOCK & STARTING/CHARGING SYSTEMS COMPUTER DATA LINES SYSTEM MEMORY & SEATS SYSTEMS MEMORY SYSTEMS NAVIGATION & SOUND SYSTEMS
IG ACC K 10A N 7.5A J L 7.5A 15A 15A 7.5A 15A H 20A 20A RIGHT COWL SIDE J/B BODY ECU BODY ECU JUNCTION CONNECTOR P26 LEFT COWL SIDE J/B 2 4 D6 15 A1 D12 J15 D14 D6 D2 22 J13 D13 J1 D7 D26 D27 J16 J24 J23 1 2 1 3 4 8 N1 J2 J5 GRN WHT/ BLK PNK BLK BLK BLK PNK GRN LT GRN YEL YEL BLK BRN YEL WHT/ BRN BRN YEL BRN BLK WHT/ WHT/ BLK BLK WHT/ BLK BLK BLU ACC RELAY PWR POINT RELAY RH-IG 1 RELAY ACC FUSE RH-IG FUSE ECU- IG RH FUSE FR S/ HTR RH FUSE CIG FUSE PWR OUTLET FUSE POWER OUTLET SOCKET CIGARETTE LIGHTER FR DOOR LH FUSE RR DOOR LH FUSE SECURITY FUSE (RIGHT END OF DASH) (RIGHT KICK PANEL) (RIGHT SIDE OF TRUNK) (RIGHT KICK PANEL) (RIGHT SIDE OF CROSSMEMBER) (LEFT END OF DASH) J4 J4 P1 FROM POWER SOURCE CONTROL ECU (DIAGRAM 3 OF 5) FROM POWER SOURCE CONTROL ECU (DIAGRAM 3 OF 5) FROM OBD FUSE (DIAGRAM 4 OF 5) DOOR LOCKS SYSTEMS SEATS, CRUISE CONTROL, TRANSMISSIONS & NAVIGATION SYSTEMS SEATS SYSTEM MEMORY & DOOR LOCKS SYSTEMS NAVIGATION & SOUND SYSTEMS MEMORY SYSTEMS FROM LEFT COWL SIDE J/B (DIAGRAM 4 OF 5) NAVIGATION, SOUND, MIRRORS, MEMORY, INSTRUMENT CLUSTER, COMPUTER DATA LINES & INTERIOR LIGHTS SYSTEMS PASSIVE RESTRAINT SYSTEM WIPER/WASHER, CRUISE CONTROL, ANTI-LOCK BRAKES, NAVIGATION, HEADLIGHTS, INTERIOR LIGHTS, POWER WINDOWS, MEMORY, ELECTRONIC POWER STEERING, COMPUTER DATA LINES, SUPPLEMENTAL RESTRAINTS, WARNING, INSTRUMENT CLUSTER, ANTI-THEFT & TRANSMISSIONS SYSTEMS INTERIOR LIGHTS SYSTEM FROM LH J/B-B FUSE (DIAGRAM 3 OF 5) POWER WINDOWS SYSTEM DOOR LOCKS, MEMORY, POWER WINDOWS & ANTI-THEFT SYSTEMS ANTI-THEFT SYSTEM