Разделы схем — 30 (всего 64)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Automatic A/C Wiring Diagram for Lexus IS 300 SportCross 2003: 95 (at front of intake manifold) ea (at left fender apron) (at left fender apron) ec (at right side of firewall) ih (in engine harness) (in engine harness, right front of engine compt) (on left side of engine compt, near engine control module) junction connector 3 (on right side of radiator) water temperature switch A/c ambient temperature sensor (behind left center of front bumper fascia) A/c comp relay A/c condenser fan motor A/c control assembly A/c diode (behind right end of dash) A/c fuse 10a A/c magnetic clutch & lock sensor (on left front of engine, on a/c compressor) A/c room temperature sensor (behind lower left center of dash) A/c solar sensor (on top left side of dash) A/c thermistor A/c triple pressure switch (on left front of engine compt, behind bumper fascia) A12 A13 Acc Acmg Aif Air Air inlet control servo motor (behind upper right side of dash) Air mix control servo motor (behind upper right center of dash) Air vent mode control servo motor (behind upper right center of dash) Amc Amh Aod Aof Blower motor (behind lower right end of dash) Blower motor controller (behind upper right center Blw Cds fan fuse 30a Driver side j/b (behind lower left end of dash) Dual Ecu-ig fuse 10a Engine control module (left front of engine compt) Engine room 1 r/b (on right rear of engine compt) Engine room 3 r/b (on left side of engine compt) Exterior lights system Fan Fan 1 relay Fan 2 relay Fan 3 relay Front wiper motor (in engine compt, below lower +2 Gnd H10 H12 Hazd Heater fuse 40a Hot at all times Hot in on or acc Hot in on or start Htr relay I12 I4 (in dash harness, at top center of dash) Ig (at right dash reinfor- cement) Ih (at right side of firewall) Ill+ Ill- Instrument cluster system Interior lights system Junction connector Junction connector (behind upper right side of dash) Junction connector 10 (behind upper right side of dash) Junction connector 2 (on left side of engine compt, near engine control module) Junction connector 8 (behind upper right side of dash) Lck1 Left side of windshield) Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Of dash) P-s/b Passenger side j/b (behind lower right end of dash) Pkb Pnk Pre Pwr Radiator fan motor Radio 2 fuse 10a Rdi fan fuse 30a Red Single Snow Tam Tpi Tpm Transmissions system Transmissions system warning system Wip
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, with VSC (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Anti-lock Brakes Wiring Diagram, with VSC (1 of 2) for Lexus IS 300 SportCross 2003: 59 +bi Abs & ba & traction vsc actuator (on right side of engine compartment, forward of strut tower) Abs 1 fuse 60a Abs 2 fuse 7.5a Abs mtr relay Abs sol relay Ast Brake fluid level warning switch (on brake fluid reservoir, on top of brake master cylinder) Ec (at left fender apron) Ecu-b2 fuse 7.5a Engine room 1 r/b (on right rear of engine compt) Engine room 2 r/b (on right rear of engine compt) Fl+ Fl- Fr+ Fr- Fss Gnd1 Gnd2 Gnd3 Gnd4 Hot at all times I6 (in dash harness, behind left side of dash) Id (at left side of firewall) Ih (at right side of firewall) Junction connector 5 (behind left end of dash, above driver side j/b) Lbl Left front abs speed sensor Mrf Nca Passenger side j/b (behind lower right end of dash) Pmc Pmc2 Pressure sensor 1 Pressure sensor 2 Red Relay Right front abs speed sensor S15 S18 Sflh Sflr Sfrh Sfrr Skid control ecu (left side of dash) Sm1+ Sm1- Sm2+ Sm2- Src1 Src2 Srlh Srlr Srm1 Srm2 Srrh Srrr Vcm Vcm2 Anti-lock Brakes Wiring Diagram, with VSC (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Anti-lock Brakes Wiring Diagram, with VSC (2 of 2) for Lexus IS 300 SportCross 2003: 72 +bo Abs ind Bat Bj (at left front floor panel) Brake ind Brake pedal load sensing switch Brl C10 Combination meter Computer data lines system Csw D/g Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Eng+ Eng- Engine control module (on left front of engine compt, in protective case) Ess Fro Fsw+ Fsw- Gauge fuse 10a Gl1 Gl2 Gss Gyaw Headlights system Hot at all times Hot in on or start Ie (at left front floor panel center) Ig1 Ih (at right side of firewall) Ind Junction connector 6 (behind left side of dash, forward of instrument cluster) Junction connector 7 (behind upper right side of dash) Left rear abs speed sensor Nca Neo Parking brake switch (at base of parking brake lever) Passenger side j/b (behind lower right end of dash) Pkb Pnk Red Right rear abs speed sensor Rl+ Rl- Rr+ Rr- S16 S17 Skid control ecu (left side of dash) Slip ind Sp1 Speed- dometer Ss1+ Ss1- Steering sensor (at base of steering column) Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Stp Trac off ind Trac off switch Trc+ Trc- Trig Vsc ind Vsc warning buzzer Vscw Vys Yaw rate sensor (rear of center console) Yaw2 Yss Anti-lock Brakes Wiring Diagram, without VSC (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Anti-lock Brakes Wiring Diagram, without VSC (1 of 2) for Lexus IS 300 SportCross 2003: 52 (left side of dash) Abs & traction actuator (on right side of engine compartment, forward of strut tower) Abs 1 fuse 60a Abs 2 fuse 7.5a Abs mtr relay Abs sol relay Ast Brake fluid level warning switch (on brake fluid reservoir, on top of brake master cylinder) Ec (at left fender apron) Engine room 1 r/b (on right rear of engine compt) Engine room 2 r/b (on right rear of engine compt) Fl+ Fl- Fr+ Fr- Fss Gnd1 Gnd2 Gnd3 Gnd4 Hot at all times Id (at left side of firewall) Ih (at right side of firewall) Junction connector 5 (behind left end of dash, above driver side j/b) Lbl Left front abs speed sensor Mrf Nca Pmc2 Pressure sensor Relay Right front abs speed sensor S15 S18 Sflh Sflr Sfrh Sfrr Skid control ecu Sm1+ Sm1- Sm2+ Sm2- Src1 Src2 Srlh Srlr Srm1 Srm2 Srrh Srrr Vcm2 Anti-lock Brakes Wiring Diagram, without VSC (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Anti-lock Brakes Wiring Diagram, without VSC (2 of 2) for Lexus IS 300 SportCross 2003: 63 (left side of dash) A/c control assembly A/t A12 Abs ind Brake ind Brake pedal load sensing switch Brl C10 Combination meter Computer data lines system Csw D/g Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Eng+ Eng- Engine control module (on left front of engine compt, in protective case) Fro Fsw+ Fsw- Gauge fuse 10a Headlights system Hot at all times Hot in on or start Ig+ Ig1 Ih (at right side of firewall) Ind Junction connector (on left side of engine compt, near ecm) Junction connector 6 (behind left side of dash, forward of instrument cluster) Junction connector 7 (behind upper right side of dash) Left rear abs speed sensor M/t Mpx- Mpx1 Neo Parking brake switch (at base of parking brake lever) Passenger side j/b (behind lower right end of dash) Pkb Pnk Red Right rear abs speed sensor Rl+ Rl- Rr+ Rr- S16 S17 Skid control ecu Slip ind Snow Sp1 Speed- dometer Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Stp Trac off Trac off ind Trac off switch & snow switch Trc+ Trc- Vehicle speed sensor (m/t) (on left rear of transmission)
ANTI-THEFT Anti-theft Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003 List of elements for Anti-theft Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003: 56 (below center of rear window, on speaker shelf) wireless door lock control receiver (sedan) (sedan) (wagon) (wagon) A10 Acc B10 B4 (in body harness, behind left rear wheelwell) Back door courtesy switch Becu Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Bzr Bzr2 C d Dcty Door fuse 20a Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Exterior lights system Flasher relay Gnd2 Ground Haz Hot at all times Hot in acc or on Hot in on or start I2 (behind left side of dash) J/c 12 (above left left rear wheelwell) j/c 17 (above left rear fenderwell) J/c 12 (above left left rear wheelwell) j/c 17 (above left rear fenderwell) Junction conenctor 5 (behind left end of dash, above driver side j/b) Junction connector 16 (above right rear fenderwell) Junction connector 6 (behind left side of dash, forward of instrument cluster) Keyless buzzer (near top of left front wheelwell, inside fender) L10 Left front door courtesy switch Left rear door courtesy switch Left rear door lock detection switch Lgcy Lsr Lswp Luggage compt door courtesy switch Mpx1 Mpx2 Mpx3 Obd2 Pcty Prg Radio 2 fuse 10a Rcty Rda Right front door courtesy switch Right rear door courtesy switch Sedan Tail relay Wagon Anti-theft Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003 List of elements for Anti-theft Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003: 35 (in left front door) junction connector 11 (sedan) (wagon) Alt fuse 120a Bdm Bk (at right front floor panel) Driver side j/b (behind lower left end of dash) Efi fuse 25a Efi relay Engine room 1 r/b (on right rear of engine compt) Engine room 2 r/b (on right rear of engine compt) Head lp relay Headlights system Horn fuse 10a Horn relay Horn system Hot at all times Ih (at right side of firewall) J/c 12 (above left rear fenderwell) j/c 17 (above left rear fenderwell) Junction connector 15 (on left side of luggage compt, behind left fenderwell) Junction connector 16 (above right rear fenderwell) Kul Left front door key lock & unlock switch & door lock detection switch Lock Lock detect Lswd Luggage compartment door key unlock switch Main fuse 40a Power window master switch Red Right front door lock detection switch Right rear door lock detection switch Sedan Unlk Wagon Anti-theft Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003 List of elements for Anti-theft Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003: 62 (12-18 not used) (20-21 not used) (5-6 not used) (7-9 not used) (9-11 not used) (behind upper left side of dash) diode (fog light) +b1 A/c control assembly A10 A12 A13 Batt C10 Code Combination meter Data link connector 3 (behind lower left side of dash) Dome fuse 7.5a Door dl fuse 15a Dswh Ec (at left fender apron) Ecu-b2 fuse 7.5a Engine control module (on left front of engine compt, in protective case) Engine hood courtesy switch (on front center of engine compt, near hood latch) Eom G11 Ground Head Horn Hot at all times Hot in on or start I11 I2 (behind left side of dash) Ign fuse 7.5a Igsw Ih (at right side of firewall) Imld Ind Ind security J/c 3 (near engine control module) J/c 5 (above driver side j/b) J/c 6 (behind left side of dash, forward of instrument cluster) b J/c 7 (behind upper right side of dash) Ksw Lug Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Mrel Multi- display Navi Passenger side j/b (behind lower right end of dash) Rxck Sh- Sil Tail Theft deterrent ecu (behind left end of dash) Theft deterrent horn (on left side of engine compt, on strut tower) Transponder key amplifier (on steering column, near ignition switch) Txct Unlock warning switch
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Body Control Modules Wiring Diagram for Lexus IS 300 SportCross 2003: 71 (wagon) Acc Act+ Act- Actd Anti-theft system B10 Bcty Bdsu Becu Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Bzr Bzr2 Computer data lines system Dbkl Dclp Dcty Defogger system Dfg Door fuse 20a Door locks system Door locks system door locks system Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Engine controls system Exterior lights system Gnd Gnd2 H10 Haz Hot at all times Hot in acc or on Hot in on or start Hot w/ tail relay energized I2 (in dash harness, behind left side of dash) Ile Instrument cluster system Interior lights system Junction connector 5 (behind left end of dash, above driver side j/b) Ksw L10 Lgcy Lsr Lswp Mpx-b fuse 10a Mpx1 Mpx2 Mpx3 Obd2 Panel fuse 7.5a Passenger side j/b (behind lower right end of dash) Pclp Pcty Pml Pmul Power tops system Power windows system Prg Radio 2 fuse 10a Rcty Rda Red Rld Rlu Rrd Rru Tail Tr+ Trunk, tailgate & fuel doors system Warning system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Computer Data Lines Wiring Diagram for Lexus IS 300 SportCross 2003: 41 (at right front floor panel) bk (behind lower left end of dash) driver side j/b A/b A/c control assembly A11 A12 A13 B10 Bat Bk (at right front floor panel) Body ecu (behind lower left end of dash, integral with driver side j/b) Center air bag sensor assembly (below center of dash, on transmission tunnel) Combination meter D/g Data link connector 3 (behind lower left side of dash) Driver side j/b (behind lower left end of dash) Eb (at center left side of intake manifold) Engine control module (on left front of engine compt, in protective case) G11 Hot at all times Ih (at right side of firewall) J/c 16 (sedan) (above right rear fenderwell) Mpx+ Mpx- Mpx1 Mpx2 Mpx3 Multi- display Obd fuse 7.5a Obd2 Passenger side j/b (behind lower right end of dash) Power window master switch S16 S17 Sil Skid control ecu Tac Tach Theft deterrent ecu (behind left end of dash) Wagon Wfse
COOLING FAN Cooling Fan Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Cooling Fan Wiring Diagram for Lexus IS 300 SportCross 2003: 45 A/c condenser fan motor A/c control assembly A/c diode (behind right end of dash) A/c single pressure switch (on left front of eng compt) A12 A13 Acc Acmg Cds fan fuse 30a Driver side j/b (behind lower left end of dash) E10 (in engine harness, at top left side of engine) E2 (in engine harness, at left front of engine compartment) Ec (at left fender apron) Ecu-ig fuse 10a Engine control module (on left front of engine compt, in protective case) Engine coolant temperature sensor (on left front of engine) Engine room 1 r/b (on right rear of engine compt) Engine room r/b 3 (on left side of engine compt) Fan Fan 1 relay Fan 2 relay Fan 3 relay Gnd H10 Hot at all times Hot in on or acc Hot in on or start Ih (at right side of firewall) Instrument cluster system Junction connector 1 & 2 (on left side of engine compt, near engine control module) Junction connector 10 (behind upper right side of dash) Junction connector 19 Junction connector 3 (on left side of engine compt, near engine control module) Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Passenger side j/b (behind lower right end of dash) Radiator fan motor Radio 2 fuse 10a Rdi fan fuse 30a Red Thw Water temperature switch (on right side of radiator)
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Cruise Control Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003: 61 (m/t) (on left side of engine comp, near engine control module) junction connector 3 +b2 +bm A/t B11 Batt Ccs Cl+ Cl- Computer data lines system Cruise control clutch switch D/clsw Driver side j/b (behind lower left end of dash) E01 E02 E03 Ea (at front of intake manifold) Eb (at center left side of intake manifold) Ec (at left fender apron) Ecu- ig fuse 10a Efi fuse 25a Efi relay Engine control module (on left front of engine compt, in protective case) Engine room 1 r/b (on right rear of engine compt) Engine room 2 r/b (on right rear of engine compt) Eom Etcs fuse 15a Gauge fuse 10a Ge01 Hot at all times Hot in on or start Ign fuse 7.5a Igsw Ih (at right side of firewall) J/c 4 (on left side of engine compt, near engine control module) Junction connector 1 & 2 (near engine control module) Junction connector 1 & 2 (on left side of engine compt, near engine control module) Junction connector 6 (behind left side of dash, forward of instrument cluster) M/t Me01 Mpx1 Mpx2 Mrel Nca Park/neutral position switch (on right side of transmission) Passenger side j/b (behind lower right end of dash) Passenger side j/b (beinind lower right end of dash) Red Sp2+ Sp2- Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Stp Stt- Throttle control motor (on throttle body) Transmission control switch (shift lock control ecu) Vpa Vpa2 Vta Vta2 Cruise Control Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Cruise Control Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003: 38 (behind lower left side of dash) data link connector (dlc) 3 (in engine harness, at top left side of engine) e10 (in engine harness, at top left side of engine) e8 (on left side of engine compt, near engine control module) junction connector 4 (on left side of engine compt, near engine control module) junction connectors 1 & 2 A/t Accel position sensor (on center rear of engine, on throttle body) Bat C10 Cancel Ccs Combination meter Computer data lines system Cruise Cruise control switch Cruise ind Driver side j/b (behind lower left end of dash) Ea (at front of intake manifold) Eb (at center left side of intake manifold) Ecc Hot at all times Ie (at left front floor panel center) Ig+ Ih (at right side of firewall) Junction connector 7 (behind upper right side of dash) M/t Mpx-b fuse 10a Obd fuse 7.5a Passenger side j/b (behind lower right end of dash) Red Res/acc S16 Set/coast Skid control ecu Speedometer Throttle position sensor (on throttle body) Vehicle speed sensor (combination meter) (m/t) Vehicle speed sensor (electronically controlled transmission) (on left rear of transmission)
DEFOGGERS Front Defogger Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Front Defogger Wiring Diagram for Lexus IS 300 SportCross 2003: 22 A12 A13 Body ecu Combination meter Defogger & mirror heater switch (a/c control assembly) Deicer relay Dfg Driver side j/b (behind lower left end of dash) Ec (at left fender apron) Engine control module (on left front of engine compt) Fr def fuse 20a Front window diecer Gauge fuse 10a Hot at all times Hot in on or start K10 K11 Mpx+ Mpx- Mpx1 Mpx2 Theft deterrent ecu (behind left end of dash) Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 300 SportCross 2003: 39 A12 A13 Alt fuse 120a Bm (at left upper side of back panel) Body ecu Combin -ation meter Dfg Driver side j/b (behind lower left end of dash) Engine control module (on left front of engine compt) Engine room 1 r/b (on right rear of engine compt) Gauge fuse 10a H11 Hot at all times Hot in on or start Ih (at right side of firewall) J/c 11 (in left front door) J/c 5 (behind left end of dash) K12 L10 Left mirror heater (left remote control mirror) Mhtr Mir htr fuse 15a Mir htr relay Mpx+ Mpx- Mpx1 Mpx2 Noise filter (def cds) Noise filter (rear window defogger) Passenger side j/b (below lower right end of dash) R19 R20 Rear window defogger Right mirror heater (right remote control mirror) Rr def fuse 40a Rr def relay Sedan Theft deterrent ecu (behind left end of dash) Wagon
ENGINE PERFORMANCE
3.0L 3.0L, Engine Performance Wiring Diagram (1 of 6) for Lexus IS 300 SportCross 2003 List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 6) for Lexus IS 300 SportCross 2003: 72 (near ecm) j/c 3 (w/a/t) (w/m/t) +b2 +bm A/c system Accel position sensor (on center rear of engine, on throttle body) Acmg Anti-theft system Batt Ccs Circuit opening relay Clsw Code Computer data lines system Cruise control system Data link connector 3 (behind lower left side of dash) Ec (at left fender apron) Efi fuse 25a Efi relay Eng+ Eng- Engine control module (ecm) (on left front of engine compt, in protective case) Engine room r/b 1 (on right rear of engine compt) Engine room r/b 2 (on right rear of engine compt) Eom Etcs fuse 15a F/ps Fpr Gnd Hot at all times Ht1b Ht2b Igsw Ih (at right side of firewall) Imld J/c 1, j/c 2 (near ecm) J/c 3 (near ecm) J/c 5 (behind left end of dash) Ksw Mpx1 Mpx2 Mrel Neo Ox1b Ox2b Passenger side j/b (behind lower right end of dash) Pnk Ptnk Rxck S16 S17 Sftd Sftu Sil Skid control ecu (behind left end of dash) Spd St1- Sta Starting/charging system Stp Tach Tbp Transponder key amplifier (on steering column, near ignition switch) Trc+ Trc- Txct Vapor pressure sensor (under center rear of vehicle) Vcc Vpa Vpa2 Wfse 3.0L, Engine Performance Wiring Diagram (2 of 6) for Lexus IS 300 SportCross 2003 List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 6) for Lexus IS 300 SportCross 2003: 28 (behind lower left end of dash) driver side j/b (on left side of engine compt) fuel pump resistor (under left side of vehicle) fuel pump & sender A/c control assembly A/t shift main switch (integral to combination switch) A12 B11 E4 (engine harn, left front of engine compt) Ea (front side of intake manifold) Ecc Electronically controlled transmission pattern select switch Engine room r/b 3 (on left side of engine compt) Fuel pmp relay H13 Ign fuse 7.5a Ih (at right side of fire- wall) J/c 15 (on left side of luggage compt) J/c 7 (behind upper right side of dash) Mpx- Passenger side j/b (behind lower right end of dash) Pnk Pwr Sftd Sftu Snow Vsv (acis) (on left side of engine) Vsv (canister closed valve) (on right front of engine) Vsv (pressure switching valve) (under center rear of engine) 3.0L, Engine Performance Wiring Diagram (3 of 6) for Lexus IS 300 SportCross 2003 List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 6) for Lexus IS 300 SportCross 2003: 38 (above brake pedal, on bracket) stoplight switch (behind left side of dash) j/c 6 (behind lower left end of dash) driver side j/b (engine harn, top left side of engine) e10 Acc Acis Ccv Driver side j/b (behind lower left end of dash) E01 E02 Ea (front side of intake manifold) Eb (center side of intake manifold) Engine control module (ecm) (on left front of engine compt, in protective case) Engine coolant temperature sensor (on left front of engine) Evg Gauge fuse 10a Gnd Hot at all times Hot in on or start Ht2a Igf Ignition switch Igt J/c 5 (behind left end of dash) Lock Mass airflow meter (on right side of engine compt, behind air box) Me01 Ox2a Pnk Power steering oil pressure sensor (on left front of engine) Psp Red Start Stop fuse 15a Tha Thw Unlock warning switch Vout 3.0L, Engine Performance Wiring Diagram (4 of 6) for Lexus IS 300 SportCross 2003 List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 6) for Lexus IS 300 SportCross 2003: 29 (behind lower right end of dash) passenger side j/b (engine harn, top left side of engine) e6 (on left side of engine compt, on strut tower) igniter (on left side of engine) noise filter (ignition) A (or d) Braided Combination meter E5 (engine harn, top left side of engine) E7 (engine harn, top left side of engine) Ea (front side of intake manifold) Fuel injector Gnd Heated oxygen sensor (bank 1 sensor 1) (on right side of engine, on exhaust system) Heated oxygen sensor (bank 1 sensor 2) (on right side of engine, on exhaust system) Heated oxygen sensor (bank 2 sensor 1) (on right side of engine, on exhaust system) Heated oxygen sensor (bank 2 sensor 2) (on right side of engine, on exhaust system) Igf Ignition coil 1 Ignition coil 2 Ignition coil 3 In1 In2 In3 J/c 16 (above right rear fenderwell) Mil Pnk Red Speedometer Tachometer 3.0L, Engine Performance Wiring Diagram (5 of 6) for Lexus IS 300 SportCross 2003 List of elements for 3.0L, Engine Performance Wiring Diagram (5 of 6) for Lexus IS 300 SportCross 2003: 20 (near ecm) j/c 1, j/c 2 A/t indicator light switch (integral to park/neutral position switch) (on right side of trans) Braided D n Ec (at left fender apron) Electronically controlled transmission solenoid (on left side of transmission) Engine oil level sensor (on lower left front of engine) Level Mt3 O/d direct clutch speed sensor (on left side of trans) Red Sln+ Sln- Slt+ Slt- Slu+ Slu- Temp Transmission control switch (d-4) (integral to shift lock control ecu) nssd Transmission control switch (l-2) 3.0L, Engine Performance Wiring Diagram (6 of 6) for Lexus IS 300 SportCross 2003 List of elements for 3.0L, Engine Performance Wiring Diagram (6 of 6) for Lexus IS 300 SportCross 2003: 50 (engine harn, top left side of engine) (front side of intake manifold) ea (near ecm) j/c 1, j/c 2 (near ecm) j/c 4 Braided Camshaft position sensor (on left rear of cyl head) Camshaft timing oil control valve (on left front of cyl head) Cl+ Cl- Cooling fans system Crankshaft position sensor (on right side of engine) E03 E11 Eb (center side of intake manifold) Engine control module (ecm) (on left front of engine compt, in protective case) Engine oil pressure switch (on left front of engine) Fan Ge01 Ht1a Igt2 Igt3 Knk1 Knk2 Knock sensor 1 (on left front of engine block) Knock sensor 2 (on left rear of engine block) Mol Mops Nco+ Nco- Ne- Ocv+ Ocv- Oil Ox1a Prg Red Sln+ Sln- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- Throttle control motor (on throttle body) Throttle position sensor (on throttle body) Vehicle speed sensor (on left rear of trans) Vsv (evap) (on top rear of engine) Vta Vta2
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Back-up Lamps Wiring Diagram for Lexus IS 300 SportCross 2003: 12 (a/t) (m/t) Back- up light Back-up light switch (park/ neutral position switch) Driver side j/b (behind lower left end of dash) Gauge fuse 10a Hot in on or start I11 Junction connector 1 & 2 (on left side of engine compt, near engine control module) Junction connector 15 (on left side of luggage compt, behind left fenderwell) Left rear combination light Right rear combination light Exterior Lamps Wiring Diagram, Sedan (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Exterior Lamps Wiring Diagram, Sedan (1 of 2) for Lexus IS 300 SportCross 2003: 46 Alt fuse 120a Auto Bulb C10 Combination meter Driver side j/b (behind lower left end of dash) Engine room 1 r/b (on right rear of engine compartment) Gauge fuse 10a Gnd H13 Head High mounted stop light Hot at all times Hot in on or start Hs- I12 Junction connector 13 (above left rear fenderwell) Junction connector 14 (on left side of luggage compt, behind left fenderwell) Junction connector 15 (on left side of luggage compt, behind left fenderwell) Junction connector 5 (behind left end of dash, above driver side j/b) K12 Led Left license plate light Left rear combination light Light control switch (combination switch) Light failure sensor (on left side of luggage compartment) Noise filter (stop- light) (above left rear fender- well) Off Passenger side j/b (behind lower right end of dash) Rear lights warning light ind Red Right license plate light Right rear combination light Side marker St+ St- Stop fuse 15a Stop light Stoplight switch (above brake pedal, on bracket) Tail Tail fuse 10a Tail light Tail relay Theft deterrent ecu (behind left end of dash) Turn signal light Turn signal light Exterior Lamps Wiring Diagram, Sedan (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Exterior Lamps Wiring Diagram, Sedan (2 of 2) for Lexus IS 300 SportCross 2003: 36 A10 A12 A13 Body ecu (behind lower left end of dash, integral with driver side j/b) Combination meter Driver side j/b (behind lower left end of dash) Ec (at left fender apron) Engine room 1 r/b (on right rear of engine compartment) Flasher relay Gauge fuse 10a Gnd H11 Haz Hazard switch (a/c control assembly) Hazd Hot at all times Hot in on 0r start I10 Ih (at right side of firewall) Junction connector 5 (behind left end of dash, above driver side j/b) Junction connector 7 (behind upper right side of dash) Left Left front parking light Left front side marker light Left front side turn signal light Left front turn signal light Left turn signal ind Passenger side j/b (behind lower right end of dash) Right Right front parking light Right front side marker light Right front side turn signal light Right front turn signal light Right turn signal ind Turn signal switch (combination switch) Turn-haz fuse 15a Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Lexus IS 300 SportCross 2003: 52 (at right upper side of back panel) (in rear of liftgate) junction connector 18 Alt fuse 120a Auto Bm (at left upper side of back panel) Bn (at right upper side of back panel) C10 Combination meter Driver side j/b (behind lower left end of dash) Engine room 1 r/b (on right rear of engine compartment) Gauge fuse 10a Gnd H13 Head High mounted stop light Hot at all times Hot in on or start Hs- I12 Junction connector (above left rear fenderwell) Junction connector 13 (above left rear fenderwell) Junction connector 15 (on left side of luggage compt, behind left fenderwell) Junction connector 17 (above left rear fenderwell) Junction connector 18 (in rear of liftgate) Junction connector 5 (behind left end of dash, above driver side j/b) K12 Left Left license plate light Left rear combination light Light control switch (combination switch) Light failure sensor (on left side of luggage compartment) Noise filter (stop- light) (above left rear fender- well) Off Passenger side j/b (behind lower right end of dash) Rear lights warning light ind Rear side marker light Red Right Right license plate light Right rear combination light St+ St- Stop fuse 15a Stop light Stoplight switch (above brake pedal, on bracket) Tail Tail fuse 10a Tail light Tail relay Theft deterrent ecu (behind left end of dash) Turn signal light Turn signal light Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Lexus IS 300 SportCross 2003: 36 A10 A12 A13 Body ecu (behind lower left end of dash, integral with driver side j/b) Combination meter Driver side j/b (behind lower left end of dash) Ec (at left fender apron) Engine room 1 r/b (on right rear of engine compartment) Flasher relay Gauge fuse 10a Gnd H11 Haz Hazard switch (a/c control assembly) Hazd Hot at all times Hot in on 0r start I10 Ih (at right side of firewall) Junction connector 5 (behind left end of dash, above driver side j/b) Junction connector 7 (behind upper right side of dash) Left Left front parking light Left front side marker light Left front side turn signal light Left front turn signal light Left turn signal ind Passenger side j/b (behind lower right end of dash) Right Right front parking light Right front side marker light Right front side turn signal light Right front turn signal light Right turn signal ind Turn signal switch (combination switch) Turn-haz fuse 15a
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003: 58 (sedan) (wagon) B3 (body harness, behind left rear wheelwell) B4 (body harness, behind left rear wheel well) B5 (body harness, under left front seat) Back door courtesy switch and opener motor Back door opener relay Bj (base of left "b" pillar) Body ecu Center airbag sensor assembly Cigarette lighter Driver side j/b (behind lower left end of dash) Flash relay From splice b2 (diagram 2 of 3) Front and rear wiper and washer switch (combination switch) Fuel pump High mounted stop light I2 (dash harn, behind left side of dash) Junction connector j/c 11 (in left front door) Junction connector j/c 15 (on left side of luggage compartment, behind left fenderwell) L10 Left buckle switch Left front door key lock & unlock switch & door lock detection switch Left license plate light Left rear door lock motor and door lock detection switch Left rear power window control switch Left remote control mirror Left stop light (left rear combination light) Left taillight (left rear combination light) Light control switch and dimmer switch (combination switch) Light failure sensor Luggage compartment door key unlock switch Luggage compartment door opener relay Noise filter (def cds) Noise filter (stop light) Power seat control switch (driver's seat) Power window master switch Rear fog light switch Rear side marker light Remote control mirror switch Right license plate light Right stop light (right rear combination light) Right taillight (right rear combination light) Seat heater (driver's seat) Sedan Sedan only Steering sensor Theft deterrent ecu To ground bm (diagram 2 of 3) To j/c 5 (diagram 2 of 3) Transponder key amplifier Turn signal switch (combination switch) Unlock warning switch W/ power seat W/o power seat Wagon Wagon only Wireless door lock control receiver Ground Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003: 75 A/c dual pressure switch A/c magnetic clutch and lock sensor A/c single pressure switch A/t A12 A25 B2 (body harness, center of headliner) B8 (body harness, center of liftgate) Back door opener switch Blower motor controller Bm (lower left side of luggage compartment) Bn (lower right side of luggage compartment) Brake fluid level warning switch Combination switch D15 D22 E2 (engine harness, left front of engine compartment) E3 (engine harness, left front of engine compartment) E9 (engine harness, top left side of engine) Ea (front side of intake manifold) Ec (rear of left front fender) Engine control module Engine hood courtesy switch Engine oil level sensor Engine room no. 3 r/b Fan no. 2 relay From junction connector j/c 15 (diagram 1 of 3) From pin g5, driver side j/b (diagram 1 of 3) Front window deicer Front wiper motor Headlight cleaner control relay Heated oxygen sensor (bank 1 sensor 1) Heated oxygen sensor (bank 1 sensor 2) Heated oxygen sensor (bank 2 sensor 1) Heated oxygen sensor (bank 2 sensor 2) High mounted stop light I3 (dash harness, behind left side of dash) If (lower right center of dash, forward of center floor console) Ig (behind upper right end of dash) Igniter Inner mirror Junction connector j/c 1/2 (on left side of engine compartment, near engine control module) Junction connector j/c 3 (on left side of engine compartment, near engine control module) Junction connector j/c 4 (on left side of engine compartment, near engine control module) Junction connector j/c 5 (behind left side of dash, behind driver side j/b) Junction connector j/c 7 (behind upper right side of dash) Left front fog light Left front parking light Left front side marker light Left front side turn signal light Left front turn signal light Left headlight control ecu Left license plate light Left rear combination light Left vanity light M/t Moon roof control ecu Moon roof control switch Multi- display Personal light Radiator fan motor Radio and player Rear window defogger Rear wiper motor Remote controller (navigation) Right license plate light Right rear combination light Right vanity light Skid control ecu Stereo component amplifier To ground bj (diagram 1 of 3) W/ moon roof W/o moon roof Wagon only Wire to fcc holder (in roof, near moon roof ecu) Ground Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003: 66 (body harness, under right front seat) (wagon) A/c control assembly A/t A18 Abs & ba & trac & vsc actuator Abs & ba & trac actuator B17 B28 B7 (body harness, behind left wheelwell) B7 (body harness, under right front seat) (sedan) Bk (under right front seat) Center air bag sensor assembly Combination meter Data link connector (dlc) 3 Daytime running light relay (main) Daytime running light relay no. 3 Daytime running light relay no. 4 Daytime running light resistor Efi relay Electronically controlled transmission pattern select switch Engine room no. 1 r/b (right rear of engine compt) Engine room no. 2 r/b (right rear of engine compt) Glove box light Headlight beam level control ecu I5 (dash harn, behind right end of dash) Ih (behind right kick panel) Junction connector j/c 16 (above right rear fender- well) Junction connector j/c 7 (behind upper right side of dash) M/t Navigation ecu Passenger side j/b (behind lower right end of dash) Power outage (luggage) Power outlet Power outlet relay Power seat control switch (front passenger's seat) Rheostat Right buckle switch and seat belt warning occupant detection sensor Right door lock control switch Right front door lock motor and door lock detection switch Right front fog light Right front parking light Right front power window control switch Right front side marker light Right front side turn signal light Right front turn signal light Right headlight control ecu Right mirror heater (remote control mirror) Right rear door lock motor and door lock detection switch Right rear power window control switch Seat heater (front passenger's seat) Seat heater switch (driver's seat) Seat heater switch (front passenger's seat) Sedan Shift lock control ecu Starter relay Trac off switch Trac off switch and snow switch W/ power seats W/ vsc W/o power seats W/o vsc Wagon Water temperature switch Wireless door lock control receiver Woofer
HEADLIGHTS Headlamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003: 61 +b1 Acc Anti-theft system Auto Automatic light control sensor (on top left side of dash) B10 Becu Bl (at left rear quarterpanel) Bn (at right upper side of back panel) Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Cltb Clte Clts Combination switch Computer data lines system Dcty Dimmer switch Diode (fog light) Door fuse 20a Driver side j/b (behind lower left end of dash) Ecu-b2 fuse 7.5a Exterior lights system Flash Foglight switch Head High Hot at all times Hot in acc or run Hot w/ tail relay energized Ill+ Junction connector 12 (sedan) (above left rear fenderwell) junction connector 18 (wagon) (in rear of liftgate) Junction connector 15 (behind left fenderwell) Junction connector 5 (behind left end of dash, above driver side j/b) Left rear fog light (left rear combination light) Lgcy Light control switch Low Lsr Lswp Mpx-b fuse 10a Mpx1 Mpx2 Mpx3 Obd2 Off Panel fuse 7.5a Passenger side j/b (behind lower right end of dash) Pcty Radio 2 fuse 10a Rcty Rear fog light switch Red Right rear fog light (right rear combination light) Sedan Solid state Tail Theft deterrent ecu (behind left end of dash) W/ rear fog light W/o rear fog light Wagon Headlamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003: 45 (on right rear of engine compartment) engine room 1 r/b C10 Chg- Combination meter Daytime running light relay 3 & 4 (on right front of engine compt, beside air box) Daytime running light resistor (on right side of engine compt, on strut tower) Dimmer relay Driver side j/b (behind lower left end of dash) Drl Drl 1 fuse 7.5a Drl 2 fuse 30a E1 (in engine harness, at right front of engine compt) Ec (at left fender apron) Ecu-b2 fuse 7.5a Ecu-ig fuse 10a Engine room 1 r/b (on right rear of engine compartment) Engine room 2 r/b (on right rear of engine compartment) Engine room 3 r/b (on left side of engine compartment) Fr fog fuse 15a Fr fog relay H-lp l lwr fuse 15a H-lp l upr fuse 10a H-lp r lwr fuse 15a H-lp r upr fuse 10a Head lp relay Hi beam indicator Hot at all times Hot in on or start I5 (in dash harness, behind right side of dash) Ih (at right side of firewall) Ind Junction connector 6 (behind left side of dash, forward of instrument cluster) Junction connector 7 (behind upper right side of dash) Left front fog light Left headlight control ecu (behind left headlight assembly) Left high beam headlight Main daytime running light relay (behind left end of dash) Main fuse 40a Parking brake switch (at base of parking lever) Passenger side j/b (behind lower right end of dash) Pkb Red Right front fog light Right headlight control ecu (behind right headlight assembly) Right high beam headlight Headlamps Leveling Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Headlamps Leveling Wiring Diagram for Lexus IS 300 SportCross 2003: 65 A11 Above driver side j/b) Anti-lock brakes system Auto Combination meter Combination switch Dimmer switch Diode (fog light) Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Engine room 1 r/b (on right rear of engine compt) Flash Gauge fuse 10a H10 Head Head lp relay Headlight beam level control ecu (behind left end of dash) Headlight beam level control warning light High Hot at all times Hot in on or start I10 Ih (at right side of firewall) Junction connector 5 (behind left end of dash, a Junction connector 7 (behind upper right side of dash) Left front height control sensor (on left front of engine compt) Left headlight beam level control actuator (behind left headlight) Left rear height control sensor (under left rear of vehicle, attached to suspension control arm) Lh+ Lh- Lh1 (s1) Lh2 (s2) Lh3 (s3) Lh4 (s4) Lhe Lht Light control switch Low Main fuse 40a Mlcom (b1) Mrcom (b1) Off Passenger side j/b (behind lower right end of dash) Red Rh+ Rh- Rh1 (s1) Rh2 (s2) Rh3 (s3) Rh4 (s4) Rhe Rht Right headlight beam level control actuator (behind right headlight) Sbf Sbr Sgf Sgr Shb Shfl Shg Shrl Spdr Tail Theft deterrent ecu (behind left end of dash) Wng
HORN Horn Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Horn Wiring Diagram for Lexus IS 300 SportCross 2003: 13 Combination switch Engine room 1 r/b (on right rear of engine compartment) Engine room 2 r/b (on right rear of engine compartment) Horn Horn fuse 10a Horn relay Horn switch Hot at all times I11 Left horn Passenger side j/b (behind lower right end of dash) Right horn Theft deterrent ecu (behind left end of dash)
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003: 65 (behind lower left side of dash) data link connector (dlc) 3 Acc B10 Backdoor opener switch (wagon) Bdsu Becu Bk (at right front floor panel) Bl (at left rear quarterpanel) Bn (at right upper side of back panel) Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Dclp Dcty Dome fuse 7.5a Door fuse 20a Driver side j/b (behind lower left end of dash) Eb (at center left side of intake manifold) Ecu-ig fuse 10a G11 Gauge fuse 10a Gnd Gnd2 Hot at all times Hot in on or acc Hot in on or start Id (at left side of firewall) Ignition key cylinder light Ih (at right side of firewall) Ile J/c 15 (behind left fenderwell) J/c 16 (above right rear fender- well) J/c 16 (above right rear fenderwell) J/c 5 (above driver side j/b) J/c 7 (behind upper right side of dash) L10 Left front door courtesy light Left front door courtesy switch Left rear door lock detection switch Lgcy Lsr Lswp Mpx-b fuse 10a Mpx1 Mpx2 Mpx3 Obd2 Passenger side j/b (behind lower right end of dash) Pclp Pcty Pml Pmul Prg Radio 2 fuse 10a Rcty Rda Red Right door lock control switch Right front door courtesy light Right front door courtesy switch Right front door lock detection switch Right rear door lock detection switch Sedan Sil Srs-b fuse 7.5 Wagon Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003: 52 (moon roof control switch) (w/ moon roof) (sedan) (wagon) (sedan) c (wagon) d A/c control assembly A12 A13 Back door courtesy switch Bdm Bj (at left front floor panel) Bk (at right front floor panel) C (sedan) Combination meter D (wagon) Diode (luggage compt light) (sedan: on rear speakr shelf) (wagon: above left rear fenderwall) Door Door ind Engine control module (on left front of engine compartment, in protective case) Ie (at left front floor panel center) Interior light J/c 11 (in left front door) J/c 12 j/c 17 (above left rear fenderwall) J/c 15 (behind left fenderwall) J/c 15 (behind left fenderwell) Kul Left front door key lock/ unlock switch & door lock detection switch Left rear door courtesy switch Left vanity light Lock Lock decect Lswd Luggage compartment door courtesy switch Luggage compartment light Mpx+ Mpx- Mpx1 Mpx2 Off Personal light Personal light (w/o moon roof) Power window master switch Prg Rda Red Right rear door courtesy switch Right vanity light Sedan Theft deterrent ecu (behind left end of dash) Unlk Wagon Wire to ffc holder Wireless door lock control receiver Instrument Illumination Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Instrument Illumination Wiring Diagram for Lexus IS 300 SportCross 2003: 38 (a/t) (m/t) A/c control assembly A12 Ashtray illumi- nation Cigarette lighter illumi- nation Combination meter illumination (combination meter) Driver side j/b (behind lower left end of dash) Electronic controlled transmission pattern select switch (a/t) Glove box light Head Head- light cleaner switch Hot at all times I3 (in dash harness, behind left side of dash) Ih (at right side of firewall) Ill- J/c 5 (above driver side j/b) J/c 7 (behind upper right side of dash) J/c 8 (behind upper right side of dash) J/c 9 (behind upper right side of dash) Light control switch (combination switch) Multi- display Off Panel fuse 7.5a Passenger side j/b (behind lower right end of dash) Radio & player Rear fog light switch Red Remote controller (navigation) Rheostat Seat heater switch (driver) Seat heater switch (front passenger) Tail Tail relay Theft deterrent ecu (behind left end of dash) Traction "off" switch & snow switch (m/t) Traction "off" switch (a/t) Transmission control switch (a/t shift position illumination) (a/t)
NAVIGATION Navigation Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Navigation Wiring Diagram for Lexus IS 300 SportCross 2003: 85 (a/t) (a/t) (m/t) (behind lower left side of dash) data link connector (dlc) 3 (behind right side of dash) (behind upper right side of dash) j/c 10 (m/t) (m/t) (a/t) +b1 A/t Acc Aui+ Aui- Auo+ Auo- Bk (at right front floor panel) C10 Clutch start switch Combination meter Ctx+ Ctx- D j2 Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a F j1 Fl+ Fl- Gauge fuse 10a Gnd Gnd1 Gtx+ Gtx- Hot at all times Hot in acc or on Hot in on or start Hot in start I10 I9 (in dash harness, behind top center of dash) Ie (at left front floor panel center) If (at right front panel center) Ig+ Ill Interior lights system J/c 1 & 2 (on left side of engine compt, near engine control module) J/c 1 & 2 (on left side of engine compt, near engine control module) J/c 16 (above right rear fenderwall) J/c 19 J/c 6 (behind left side of dash, forward of instrument cluster) J/c 7 (behind upper right side of dash) K8 e1 Left front door speaker Left tweeter M/t Multi-display Mute Navi Navi-mute Navigation ecu Nca Park/neutral position switch (on right side of transmission) back-up light switch Parking brake switch (at base of parking brake lever) Passenger side j/b (behind lower right end of dash) Pkb Pnk Radio 2 fuse 10a Re1 Red Remote controller Rev S16 Sedan Sgnd1 Skid control ecu Sp1 Spd St1 Starter fuse 7.5a Stereo component amplifier (behind right end of dash) Sync Theft deterrent ecu (behind left end of dash) Tv fuse 7.5a Tx1+ Tx1- Vehicle speed sensor (combination meter) (m/t) Vr r Wagon
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003 List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003: 72 (behind lower right end of dash) passenger side junction block (on right rear of engine compartment) engine room relay block 1 Abs 1 fuse 60a Air conditioning & instrument cluster systems Alt fuse 120a Alt-s fuse 7.5a Am2 fuse 20a Anti-lock brakes system Anti-theft system Anti-theft system & horns system Anti-theft, body computer, cruise control, door locks, engine controls, exterior lights, headlights, interior lights, instrument cluster, power windows, starting/ charging, transmissions & warning systems Anti-theft, body computer, door locks, exterior lights, garage door opener, headlights & interior lights systems Anti-theft, body computer, exterior lights & headlight systems Anti-theft, exterior lights & headlights systems Battery Body computer & interior lights systems Body computer system & power windows system Cds fan fuse 30a Cooling fans system Cruise control system, engine controls system & transmission systems D rr p/w fuse 20a Dimmer relay Dome fuse 7.5a Drl 1 fuse 7.5a Drl 2 fuse 30a Ecu-b1 fuse 20a Ecu-b2 fuse 7.5a Efi fuse 25a Engine controls, cruise control & transmission systems Engine controls, transmission, cruise control systems Engine room relay block 2 (on right rear of engine compartment) Engine room relay block 3 (on left side of engine compartment) Etcs fuse 15a Exterior lights system Fr fog fuse 15a Fr fog relay From a engine room relay block 1 (diagram 1 of 3) H-lp cln fuse 30a Head- light relay Headlights system Heater fuse 40a Heater relay Horn fuse 10a Left lower head fuse 15a Left upper headlmp fuse 15a Main fuse 40a Mir heater relay Mir htr fuse 15a Mpx-b fuse 10a Obd fuse 7.5a P fr p/w fuse 20a P rr p/w fuse 20a P/seat fuse 30a P/w relay Passenger side junction block (behind lower right end of dash) Radio 1 fuse 20a Rdi fan fuse 30a Red Right lower head fuse 15a Right upper headlmp fuse 15a Seats system Sound systems Srs-b fuse 7.5a Starter Starter relay Starting/ charging system To driver side junction block (diagram 2 of 3) To engine room relay block 1 (diagram 1 of 3) To ignition switch (diagram 2 of 3) To power outlet fuse (diagram 3 of 3) Turn/ hazard fuse 15a Wiper/ washer system Power Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003 List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003: 53 (behind lower left end of dash) driver side junction block A/c fuse 10a Acc Air conditioning system Air conditioning, instrument cluster, shift interlock & sound systems Am 1 fuse 40a Anti-lock brakes, cruise control, engine controls, exterior lights, shift interlock & transmission systems B11 B12 Body computer system & interior lights systems Body ecu Bsub D fr p/w fuse 20a Deicer relay Door fuse 20a Exterior lights system Fr def fuse 20a From am2 fuse, engine room relay block 1 (diagram 1 of 3) From engine room relay block 1 (diagram 1 of 3) G11 H12 H13 Ignition switch J/c j10 (behind right side of dash) K12 Lock Mirror system Panel fuse 7.5a Power tops system Power windows system Radio 2 fuse 10a Red Rr def fuse 40a Rr def relay Run S/roof fuse 30a Seat htr fuse 15a Seats system Srs acc fuse 10a Start Starter fuse 7.5a Starting/ charging, engine controls & transmission systems Stop fuse 15a Tail fuse 10a Tail relay To driver side junction block (cig fuse, 15a) (diagram 3 of 3) To driver side junction block (gauge fuse, 10a) (diagram 3 of 3) To passenger side junction block (ign fuse, 7.5a) (diagram 3 of 3) To power outlet relay (diagram 3 of 3) Trunk, tailgate & fuel door systems Washer fuse 15a Wiper fuse 25a Wiper/ washer systems Power Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003 List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003: 47 (behind instrument cluster) i1 (behind lower left end of dash) driver side junction block (behind right kick panel) ih (under right front seat) bk A11 Air conditioning, cooling fans, headlights, shift interlock & warning systems Anti-lock brakes system Anti-lock brakes, cruise control, engine controls, exterior lights, headlights, instrument cluster, interior lights, starting/ charging, transmission & warning systems Anti-theft system Anti-theft, exterior lights & headlights systems Bk (right front floor panel) Body ecu Cellular telephone & exterior lights systems Cig fuse 15a Cigar- ette lighter Cruise control system Cruise control, engine controls & transmission systems Cruise control, exterior lights, shift interlock, starting/charging & transmission systems Defogger & power window systems Door dl fuse 15a Ecu-ig fuse 10a Engine controls system Flasher relay From driver side junction block (diagram 2 of 3) From driver side junction block (radio 2 fuse, 10a) (diagram 2 of 3) From e driver side junction block (seat htr fuse, 15a) (diagram 2 of 3) From junction connector j10 (diagram 2 of 3) From passenger side g junction block (diagram 1 of 3) Gauge fuse 10a H11 H13 Headlights system Ign fuse 7.5a J/c 16 (above right rear fenderwell) Junction connector j/c 5 (behind left end of dash) L10 Navigation system Passenger side junction block (behind lower right end of dash) Pnk Power outlet Power outlet (luggage) Power outlet fuse 15a Power outlet relay Power tops system Power windows systems Rr def relay Tv fuse 7.5a
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003 List of elements for Power Door Locks Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2003: 63 (at left side of firewall) (at right upper side of back panel) bn (below center of rear window, on speaker shelf) wireless door lock control receiver (wagon) (sedan) A10 Acc Act+ Act- Actd B10 Back door opener switch (wagon) Bdsu Becu Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Bzr Bzr2 C (sedan) (wagon) C d D c Dcty Detection Door fuse 20a Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Flasher relay Gnd2 Ground H10 Haz Hot at all times Hot in acc or on Hot in on or start I2 (in dash harness, behind left side of dash) Junction connector 12 (sedan) junction connector 17 (wagon) (above left rear fenderwell) Junction connector 16 (above right rear fenderwell) Junction connector 5 (behind left end of dash, above driver side j/b) Junction connector 6 (behind left side of dash, forward of instrument cluster) Keyless buzzer (near top of left front wheelwell, inside fender) Ksw L10 Left front door courtesy switch Left rear door courtesy switch Left rear door lock motor & door lock detection switch Lgcy Lock Lsr Lswp Mpx1 Mpx2 Mpx3 Obd2 Pcty Pml Pmul Prg Radio 2 fuse 10a Rcty Rda Right front door courtesy switch Right rear door courtesy switch Tr+ Unlock warning switch Power Door Locks Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003 List of elements for Power Door Locks Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2003: 28 (above left rear fenderwell) (behind upper right side of dash) junction connector 7 (in left front door) junction connector 11 (on left side of luggage compt, near fuel filler door) (sedan) luggage compartment door opener relay (sedan) (wagon) j/c 17 j/c 12 B4 (in body harness, behind left rear wheelwell) Back door opener relay (wagon) (above left rear fenderwell) Bdm Bk (at right front floor panel) Bl (at left rear quarterpanel) Detection Driver side j/b (behind lower left end of dash) Junction connector 15 (on left side of luggage compt, behind left fenderwell) Junction connector 16 (above right rear fenderwell) Kul Left front door lock motor, door key lock & unlock switch & door lock detection switch Lock Lock detection Lswd Passenger side j/b (behind lower right end of dash) Power window master switch Right door lock control switch Right front door lock motor & door lock detection switch Right rear door lock motor & door lock detection switch Sedan Unlk Wagon Power Door Locks Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003 List of elements for Power Door Locks Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2003: 27 A/c control assembly A12 A13 Back door courtesy switch & opener motor (at center rear of luggage compt) Bl (at left rear quarterpanel) Combination meter Data link connector 3 (behind lower left side of dash) Dome fuse 7.5a Eb (at center left side of intake manifold) Engine control module (on left front of engine compt, in protective case) G11 Hot at all times Ih (at right side of firewall) Junction connector 12 (above left rear fenderwell) Junction connector 15 (on left side of luggage compt, behind left fenderwell) Junction connector 17 (above left rear fenderwell) Luggage compt door courtesy switch & opener motor Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Passenger side j/b (behind lower right end of dash) Sedan Sil Theft deterrent ecu (behind left end of dash) Wagon
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 300 SportCross 2003: 11 (in dash harness, behind left side of dash) i7 Bj (at left front floor panel) Driver side j/b (behind lower left end of dash) Ec+ Ec- Ecu-ig fuse 10a Hot in on or start Inner mirror Left remote control mirror Right remote control mirror Wire to fcc holder Power Mirrors Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Power Mirrors Wiring Diagram for Lexus IS 300 SportCross 2003: 24 (in left front door) j/c 11 B12 Defogger system Down Driver side j/b (behind lower left end of dash) Ec+ Ec- Electrochromic mirror circuit Hot in acc or on J/c 11 (in left front door) J/c 5 (behind left end of dash, above driver side j/b) L10 Left Left remote control mirror Mhl Mhr Mvl Mvr Operation switches Radio 2 fuse 10a Remote control mirror switch Right Right remote control mirror Select switches
POWER SEATS Heated Seats Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Heated Seats Wiring Diagram for Lexus IS 300 SportCross 2003: 16 (behind upper right side of dash) B5 (w/ power seat) Bj (at left front floor panel) Bk (at right front floor panel) Driver side j/b (behind lower left end of dash) Driver's seat heater switch Front passenger's seat heater switch Hot in on or start Ih (at right side of firewall) Interior lights sysytem J/c 7 Passenger side j/b (behind lower right end of dash) Seat heater (driver's seat) Seat heater (front passenger's seat) Seat htr fuse 15a Seat) Power Seats Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Power Seats Wiring Diagram for Lexus IS 300 SportCross 2003: 24 Bj (at left front floor panel) Bk (at right front floor panel) Down Driver's power seat control switch Engine room 1 r/b (on right rear of engine compt) Front Front passenger's power seat control switch Front vertical G10 Hot at all times P/seat fuse 30a Passenger side j/b (behind lower right end of dash) Power seat motor (driver's seat front vertical control) Power seat motor (driver's seat rear vertical control) Power seat motor (driver's seat reclining control) Power seat motor (driver's seat slide control) Power seat motor (front passenger's seat front vertical control) Power seat motor (front passenger's seat rear vertical control) Power seat motor (front passenger's seat reclining control) Power seat motor (front passenger's seat slide control) Rear Rear vertical Reclining Slide
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Power Top/Sunroof Wiring Diagram for Lexus IS 300 SportCross 2003: 22 (at left front floor panel) Bcty Body ecu (behind lower left end of dash) Close Dcty Down Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Gnd Hot at all times Hot in on or start Left front door courtesy switch Ls1 Ls2 Moon roof control ecu (on front center of roof) Moon roof control switch Moon roof motor Moon roof motor & limit switch Open Red S/roof fuse 30a Solid state
POWER WINDOWS Power Windows Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Power Windows Wiring Diagram for Lexus IS 300 SportCross 2003: 65 (at left rear quarterpanel) bl (at left side of firewall) id (at right front floor panel) bk (at right side of firewall) ih (behind lower left end of dash) driver side j/b Acc B10 B11 Bcty Bdm Becu Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Computer data lines system D fr p/w fuse 20a D rr p/w fuse 20a Dcty Door fuse 20a Down Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Gauge fuse 10a Gnd Gnd2 H11 Hot at all times Hot in acc or on Hot in on or start Junction connector 15 (on left side of luggage compt, behind left fenderwell) Junction connector 16 (above right rear fenderwell) Junction connector 5 (behind left end of dash, above driver side j/b) L10 Left front door courtesy switch Left front power window motor Left rear power window control switch Left rear power window motor Limit sw Lmt Mpx-b fuse 10a Mpx1 Mpx2 Mpx3 Obd2 P fr p/w fuse 20a P rr p/w fuse 20a P/w relay Passenger side j/b (behind lower right end of dash) Pls Power window master switch Pulse sensor Pwl Pwr Radio 2 fuse 10a Red Right front power window control switch Right rear power window control switch Right rear power window motor Rigiht front power window motor Rld Rlu Rrd Rru Sedan Sgnd Wagon
RADIO Radio Wiring Diagram, Sedan for Lexus IS 300 SportCross 2003 List of elements for Radio Wiring Diagram, Sedan for Lexus IS 300 SportCross 2003: 61 (or pnk) Acc+ Acc+b Ant+b Antenna amplifier (behind center of dash) Aui+ Aui- Auo+ Auo- B12 Bu+b Ctx+ Ctx- Driver side j/b (behind lower left end of dash) Engine engine room r/b 1 room r/b 1 (on right (on right rear of engine compt) Fl+ Fl- Fr+ Fr- Gnd Gnd(e) Gnd(s) Gtx+ Gtx- Hot at all times Hot in acc or on If (at right front panel center) J/c 10 (behind upper right side of dash) Left front door speaker Left rear speaker & woofer Left tweeter Multi-display (w/ navigation) Mute Navi-mute Navigation ecu Nca Passenger side j/b (behind lower right end of dash) Pnk Radio & player Radio 1 fuse 20a Radio 2 fuse 10a Rear speaker Red Right front door speaker Right rear speaker & woofer Right tweeter Rl+ Rl- Rr+ Rr- S-gnd Stereo component amplifier (behind right end of dash) Tx+ Tx- W/ navigation W/o navigation Wl+ Wl- Woofer Wr+ Wr- Radio Wiring Diagram, Wagon for Lexus IS 300 SportCross 2003 List of elements for Radio Wiring Diagram, Wagon for Lexus IS 300 SportCross 2003: 71 (behind right side of dash) i10 (or pnk) Acc+ Acc+b Amp+ Ant Antenna amplifier (behind center of dash) Aui+ Aui- Auo+ Auo- B12 Bk (at right front floor panel) Bu+b Ctx+ Ctx- Driver side j/b (behind lower left end of dash) Engine engine room r/b 1 room r/b 1 (on right rear (on right of engine compt) Fl+ Fl- Fr+ Fr- Gnd Gnd(e) Gnd(s) Gtx+ Gtx- Hot at all times Hot in acc or on I10 (behind right side of dash) If (at right front panel center) Junction connector 10 (behind upper right side of dash) Junction connector 13 (above left rear fenderwell) Junction connector 16 (above right rear fenderwell) Left front door speaker Left rear speaker Left squawker Left tweeter Mtr Multi-display (w/ navigation) Mute Navi-mute Navigation ecu Nca Passenger side j/b (behind lower right end of dash) Pnk Radio & player Radio 1 fuse 20a Radio 2 fuse 10a Red Right front door speaker Right rear speaker Right squawker Right tweeter Rl+ Rl- Rr+ Rr- S-gnd Stereo component amplifier (behind right end of dash) Tx+ Tx- W/ navigation W/o navigation Wf+ Wf- Wl+ Wl- Woofer Wr+ Wr-
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Shift Interlock Wiring Diagram for Lexus IS 300 SportCross 2003: 35 10a 15a Acc Driver side j/b (behind lower left end of dash) Ecu-ig fuse Engine control module (on left front of engine compt, in protective case) Gauge fuse H10 Hot at all times Hot in acc or on Hot in on or start I13 Ih (at right side of firewall) J/c 1 & j/c 2 (on left side J/c 10 (behind upper right side of dash) J/c 5 (behind left end of dash) J/c 7 (behind upper right side of dash) J1 f Key inter- lock solenoid Kls+ Mt3 Nssd Of engine compt, near engine control module) Park/neutral postion switch (a/t indictor light switch) (on right side of transmission) Passenger side j/b (behind lower right end of dash) Radio 2 fuse Shift lock control ecu (below right side of transmission shift lever) Shift lock control switch Shift lock solenoid Sls+ Sls- Stop fuse Stoplight switch Stp Unlock warning switch
STARTING/CHARGING Charging Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Charging Wiring Diagram for Lexus IS 300 SportCross 2003: 27 A/c control assembly A12 A13 Alt fuse 120a Alt-s fuse 7.5a Battery Battery ground Charge indicator Combination meter Computer data lines system Driver side j/b (behind lower left end of dash) Engine control module (on left front of engine compt, in protective case) Engine room 1 r/b (on right rear of engine compt) Gauge fuse 10a Generator Hot at all times Hot in on or start Ie (at left front floor panel center) Junction connector 1 & junction connector 2 (on left side of engine compt, near engine control module) Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Nca Passenger side j/b (behind lower right end of dash) Theft deterrent ecu (behind left end of dash) Starting Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Starting Wiring Diagram for Lexus IS 300 SportCross 2003: 24 A/t Acc Am2 Am2 fuse 20a Battery Battery ground Clutch starter switch Driver side j/b (behind lower left end of dash) Engine control module (on left front of engine compt, e3 in protective case) Engine room 1 r/b (on right rear of engine compartment) Ignition switch Ih (at right side of firewall) Junction connector 19 Lock M/t Main fuse 40a Nca Park/neutral position switch (on right side of transmission) St2 Sta Start Starter Starter fuse 7.5a Starter relay
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Supplemental Restraints Wiring Diagram for Lexus IS 300 SportCross 2003: 67 (at base of left "b" pillar) left side air bag sensor (at right front floor panel) bk +sl +sr -sl -sr A11 Acc Air bag squib (front passenger's air bag assembly) Air bag squib (steering wheel pad) Bj (at left front floor panel) Center air bag sensor assembly (below center of dash, on transmission tunnel) Combination meter Data link connector 3 (partial) (behind lower left side of dash) Driver side j/b (behind lower left end of dash) Engine controls system Esl Esr Gsw2 Hot at all times Hot in acc or on Hot in on or start Icl+ Icl- Icr+ Icr- Ig2 Ign fuse 7.5a J/c 13 (above left rear fenderwell) J/c 15 (at left rear quarter panel) J/c 5 (behind left end of dash, above driver side j/b) Lbe+ Left buckle switch (inside left front seat belt buckle) Left curtain shield air bag squib Left front air bag sensor (on left side of radiator support) Left pretensioner Left side air bag squib Others Passenger side j/b (behind lower right end of dash) Pl+ Pl- Pnk Pr+ Pr- Rbe+ Right buckle switch & seat belt warning occupant detection sensor (inside of right front seat belt buckle) Right curtain shield air bag squib Right front air bag sensor (on right side of radiator support) Right pretensioner Right side air bag sensor (at base of right "b" pillar) Right side air bag squib Sedan w/o power seat Sfl+ Sfl- Sfr+ Sfr- Sil Spiral cable Srs warning indicator Srs- acc fuse 10a Srs-b fuse 7.5a Ssl+ Ssl- Ssr+ Ssr- Vupl Vupr
TRANSMISSION A/T Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003 List of elements for A/T Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2003: 58 (engine harn, right front of engine compt) (engine harn, top left side of engine) (near ecm) j/c 1, j/c 2 +b2 +bm A/c control assembly A/t shift main switch (integral to combination switch) B11 Batt Computer data lines system Data link connector 3 (behind lower left side of dash) Driver side j/b (behind lower left end of dash) E01 E02 E10 Ea (front of intake manifold) Eb (center side of intake manifold) Ec (left front fender apron) Efi fuse 25a Efi relay Electronically controlled transmission pattern select switch Engine control module (ecm) (left front of engine compt, in protective case) Engine controls system Engine coolant temperature sensor (on left front of engine) Engine room r/b 1 (on right rear of engine compt) Engine room r/b 2 (on right rear of engine compt) Eom Etcs fuse 15a Evg Hot at all times Hot in run or start Ign fuse 7.5a Igsw Ih (behind right kick panel) Ih (right side of firewall) J/c 3 (near ecm) J/c 7 (behind upper right side of dash) Mass airflow meter (right side of engine compt, behind air box) Me01 Mpx- Mpx1 Mpx2 Mrel Passenger side j/b (behind lower right end of dash) Pwr Red Sftd Sftu Sil Snow Sta Starting/ charging system Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Stp Tha Thw Wfse A/T Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003 List of elements for A/T Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2003: 47 (right side of transmission) (integral to park/neutral position switch) a/t indicator light switch Accel position sensor (on center rear of engine, on throttle body) Braided Cl+ Cl- Combi- nation meter Computer data lines system Driver side j/b (behind lower left end of dash) E03 E8 (top left side of engine) Ea (front of intake manifold) Eb (center side of intake manifold) Electronically controlled transmission solenoid (left side of transmission) Engine control module (ecm) (left front of engine compt, in protective case) Engine controls system Gauge fuse 10a Ge01 Hot in on or start J/c 1, j/c 2 (near ecm) J/c 4 (near ecm) Mil Nca Nco+ Nco- O/d direct clutch speed sensor (left side of transmission) Oil Passenger side j/b (behind lower right end of dash) Red Sln+ Sln- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- Speedo Tach Throttle control motor (on throttle body) Throttle position sensor (on throttle body) Transmission control switch (d-4) (below front right side of center console) Transmission control switch (l-2) (below front right side of center console) Vehicle speed sensor (left rear of transmission) Vpa Vpa2 Vta Vta2
TRUNK, TAILGATE, FUEL DOOR Tailgate Release Wiring Diagram, Wagon for Lexus IS 300 SportCross 2003 List of elements for Tailgate Release Wiring Diagram, Wagon for Lexus IS 300 SportCross 2003: 26 (behind lower left end of dash) driver side j/b (in body harness, behind left rear wheelwell) (in dash Back door courtesy switch & opener motor (at center rear of luggage compt) Back door opener relay (above left rear fenderwell) Back door opener switch Bdsu Becu Bn (at right upper side of back panel) Body ecu Bsub Door fuse 20a Driver side j/b (behind lower left end of dash) Gnd Gnd2 Harness, behind left side of dash) Hot at all times J/c 15 (on left side of luggage compt, behind left fenderwell) J/c 17 (above left rear fenderwell) J/c 5 (behind left end of dash, above driver side j/b) L10 Lgcy Mpx-b fuse 10a Passenger side j/b (behind lower right end of dash) Red/ Tr+ Trunk Release Wiring Diagram, Sedan for Lexus IS 300 SportCross 2003 List of elements for Trunk Release Wiring Diagram, Sedan for Lexus IS 300 SportCross 2003: 21 Becu Behind left side of dash) Body ecu Bsub Door fuse 20a Driver side j/b (behind lower left end of dash) Gnd Gnd2 Hot at all times I2 (in dash J/c 12 (above left rear fenderwell) J/c 15 (on left side of luggage compt, behind left fenderwell) J/c 5 (behind left end of dash, above driver side j/b) L10 Lgcy Luggage compartment door courtesy switch & opener motor Luggage compartment door opener relay (on left side of luggage compartment, near fuel filler door) Mpx-b fuse 10a Passenger side j/b (behind lower right end of dash) Red/ Tr+
WARNING SYSTEMS Warning Systems Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Warning Systems Wiring Diagram for Lexus IS 300 SportCross 2003: 56 (at left front floor panel center) ie (behind lower left end of dash) driver side j/b (w/ power seats) (w/o power seats) A/c control assembly A12 A13 Acc B6 b7 Becu Bj (at left front floor panel) Bk (at right front floor panel) Body ecu (behind lower left end of dash, integral with driver side j/b) Bsub Buzzer Combination meter Computer data lines system Dbkl Dcty Door fuse 20a Door ind Driver side j/b (behind lower left end of dash) Ecu-ig fuse 10a Engine control module (on left front of engine compt) Gauge fuse 10a Gnd Gnd2 H10 Hot at all times Hot in acc or on Hot in on or start J/c 13 (above left rear fenderwell) J/c 15 (on left side of luggage compt, behind left fenderwell) J/c 5 (behind left side of dash, above driver side j/b) J/c 6 (behind left side of dash) Ksw L10 Left buckle switch Left front door courtesy switch Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Obd2 P-s/b Passenger side j/b (behind lower right end of dash) Radio 2 fuse 10a Right buckle switch & seat belt warning occupant detection sensor Seat belt ind Sedan Srs-b fuse 7.5a Theft deterrent ecu (behind left end of dash) Unlock warning switch W/ power seat W/o power seat Wagon
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Front Wiper/Washer Wiring Diagram for Lexus IS 300 SportCross 2003: 21 (at left fender apron) ec Air conditioning system C13 Combination switch Driver side j/b (behind lower left end of dash) Front wiper motor (in engine compt, below lower left side of windshield) High Hot in on or start I8 (in dash harness, behind lower left corner of instrument panel) Id (at left side of firewall) Int Int time J/c 5 Low Off Solid state Washer fuse 15a Washer motor (below left headlight) Washer switch Wiper fuse 25a Wiper switch Headlamp Washer Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Headlamp Washer Wiring Diagram for Lexus IS 300 SportCross 2003: 32 (at left side of firewall) id Combination switch Dimmer switch Driver side j/b (behind lower left end of dash) Ec (at left fender apron) Engine room 1 r/b (on right rear of engine compt) Flash Fog light diode Frwa G11 H-lp cln fuse 30a Hdlo Head Head lp relay Headlight cleaner control relay (below left headlight) Headlight cleaner diode (behind upper left side of dash) Headlight cleaner motor (below left headlight) Headlight cleaner switch Headlights system High Hot at all times Hot in on or start J/c 5 Light control switch Low Main fuse 40a Off Passenger side j/b (behind lower right end of dash) Tail Theft deterrent ecu (behind left end of dash) Washer fuse 15a Washer motor (below left headlight) Rear Wiper/Washer Wiring Diagram for Lexus IS 300 SportCross 2003 List of elements for Rear Wiper/Washer Wiring Diagram for Lexus IS 300 SportCross 2003: 19 Bn (at right upper side of back panel) Combination switch Driver side j/b (behind lower left end of dash) Driver side j/b (behind lower left g5 end of dash) Hot in on or start Id (at left side of firewall) Int Junction connector 5 Off R21 R22 Rear wiper motor (in center rear of liftgate) Rear wiper relay Rear wiper/ Wash Washer fuse 25a Washer motor (below left headlight) Washer switch Wiper fuse 25a
