Lexus·Is250·2008 Lexus IS250·Wiring
Wiring diagram

2008 Lexus IS250 — power distribution

Sheets 5Labels 681

Power distribution

30A 60A 40A 150A 30A 80A A 60A C 30A 30A 25A 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 B1 F1 E2 H1 G4 K1 C1 D2 E1 D1 E2 16 23 22 21 BLK BLK BLK BLK/ BRN RED WHT RED BLK GRN BRN BLU RED/ BLU WHT/ WHT BLK RED WHT/ ORG WHT WHT WHT/ BLU PNK WHT BLK/ WHT/ BLU BLK (W/ DRL) (W/O DRL) W/ DRL HID TYPE (W/O DRL) E/G-B FUSE EPS FUSE STARTER FUSE ALT FUSE E/G-AM FUSE ABS 2 FUSE FAN 1 FUSE RAD 1 FUSE RAD 2 FUSE TURN/ HAZ FUSE ABS 3 FUSE H-LP CLN FUSE STR LOCK FUSE ALT-S FUSE FR CTRL-B FUSE ETCS FUSE A/C COMP FUSE A/F FUSE FR CTRL-AM FUSE WASHER FUSE FR TAIL FUSE HORN FUSE H-LP UPR FUSE FR FOG 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 TO FR CTRL-AM FUSE (DIAGRAM 1 OF 5) TO FR CTRL-B FUSE (DIAGRAM 1 OF 5) TO ABS 1 FUSE (DIAGRAM 2 OF 5) EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM SOUND & NAVIGATION SYSTEMS SOUND & NAVIGATION SYSTEMS FROM E/G-AM FUSE (DIAGRAM 1 OF 5) FROM E/G-B FUSE (DIAGRAM 1 OF 5) AIR CONDITIONING SYSTEM CRUISE CONTROL, ENGINE CONTROLS & TRANSMISSIONS SYSTEMS STARTING/ CHARGING SYSTEM ENGINE CONTROLS SYSTEM SHIFT INTERLOCK SYSTEM WIPER/ WASHER 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 D1 2 G2 D1 J1 E1 G1 N1 F2 2 5 F3 E4 BLK WHT/ BLK WHT/ GRN GRN BLU GRN BLK BLK WHT RED BLU/ GRN WHT/ BLU RED WHT BLU/ BLK BLK BLK/ BLK/ WHT BLK/ YEL YEL YEL GRN/ DEFOG FUSE GLW PLG 2 FUSE GLW PLG 1 FUSE HEATER FUSE RH J/B-AM FUSE FAN 2 FUSE LH J/B-AM FUSE CDS FUSE ABS 1 FUSE MAIN FUSE D/C CUT FUSE DOME FUSE MPX-B FUSE NOISE FILTER (GOST BUSTER) (RIGHT REAR OF ENGINE COMPT) (RIGHT REAR OF ENGINE COMPT) (IN ENGINE ROOM R/B 1) (RIGHT KICK PANEL) J4 FROM FAN 1 FUSE (DIAGRAM 1 OF 5) DEFOGGER SYSTEM COOLING FANS SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING 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) ANTI-LOCK BRAKES SYSTEM 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 INTERIOR LIGHTS, GARAGE DOOR OPENER SYSTEM, ANTI-THEFT, ANTI-LOCK BRAKES & INSTRUMENT CLUSTER SYSTEMS
BATB 30A 30A 60A 20A E H 20A 25A 25A 10A IG2D AM2 AM1 SSW1 IG1D ACCD SSW2 K J 15A 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 I1 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 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/ ORG GRN WHT BLK/ BLK LT LT PNK ORG 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 RR DOOR RH FUSE IGN FUSE GAUGE FUSE AM2 FUSE FR DOOR RH FUSE (RIGHT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (BEHIND RIGHT SIDE OF DASH) (AT LEFT KICK PANEL) (LEFT REAR OF ENGINE COMPT) (BEHIND RIGHT SIDE OF DASH) (AT RIGHT END OF DASH) (BEHIND RIGHT SIDE OF DASH) (RIGHT KICK PANEL) (AT 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 OUTLET RELAY (DIAGRAM 5 OF 5) INSTRUMENT CLUSTER SYSTEM STARTING/ CHARGING SYSTEM MEMORY & POWER WINDOWS SYSTEMS POWER WINDOWS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM CRUISE CONTROL, ENGINE CONTROLS, TRANSMISSIONS & ANTI-LOCK BRAKES SYSTEMS
ATAB 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 PNK WHT YEL YEL BLK/ BLK/ BLK YEL YEL YEL ORG YEL BLK WHT/ ORG YEL YEL YEL YEL BLK/ BLK RED BLU WHT RED VIO YEL YEL BLK BLU GRN BLK LT BLU WHT BLU/ LH-IG 1 RELAY LH-IG 2 RELAY MIR HTR FUSE PSB FUSE TV 1 FUSE FR P/ SEAT LH FUSE S/ROOF FUSE A/C FUSE FUEL OPN FUSE LH-IG FUSE FR WIP FUSE FR S/ HTR LH FUSE ECU- IG LH FUSE H-LP LVL FUSE TI & TE FUSE RAD 3 FUSE STOP SW FUSE OBD FUSE FR P/ SEAT RH FUSE (AT LEFT END OF DASH) (LEFT KICK PANEL) (AT 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 DEFOGGER SYSTEM SEATS & MEMORY SYSTEMS SEATS SYSTEM AIR CONDITIONING & DEFOGGER 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 POWER TOPS SYSTEM PASSIVE RESTRAINTS 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 OUTLET RELAY (DIAGRAM 5 OF 5) NAVIGATION & SOUND SYSTEMS EXTERIOR LIGHTS, ANTI-LOCK BRAKES, CRUISE CONTROL, TRANSMISSIONS, ENGINE CONTROLS, SHIFT INTERLOCK & STARTING/CHARGING SYSTEMS MEMORY SYSTEMS MEMORY & SEATS SYSTEMS COMPUTER DATA LINES SYSTEM
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 RIGHT 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 ORG WHT/ ORG ORG YEL ORG BLK WHT/ WHT/ BLK BLK WHT/ BLK BLK BLU ACC RELAY PWR POINT RELAY RH-IG 1 RELAY ACC FUSE FR S/ HTR RH FUSE RH-IG FUSE PWR OUTLET FUSE CIG FUSE ECU- IG RH FUSE POWER OUTLET SOCKET CIGARETTE LIGHTER FR DOOR LH FUSE RR DOOR LH FUSE SECURITY FUSE (AT RIGHT END OF DASH) (RIGHT KICK PANEL) (RIGHT SIDE OF TRUNK) (RIGHT KICK PANEL) (AT 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) MEMORY & STARTING/ CHARGING SYSTEMS STARTING/ CHARGING SYSTEM NAVIGATION & SOUND SYSTEMS MEMORY SYSTEMS SEATS SYSTEM SEATS, CRUISE CONTROL, TRANSMISSIONS & NAVIGATION SYSTEMS FROM LEFT COWL SIDE J/B (DIAGRAM 4 OF 5) NAVIGATION, SOUND, MIRRORS, MEMORY, COMPUTER DATA LINES & INTERIOR LIGHTS SYSTEMS PASSIVE RESTRAINT SYSTEM WIPER/WASHER, CRUISE CONTROL, ANTI-LOCK BRAKES, NAVIGATION, HEADLIGHTS, PASSIVE RESTRAINT, 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, INTERIOR LIGHTS, MEMORY, POWER WINDOWS & ANTI-THEFT SYSTEMS ANTI-THEFT SYSTEM