Diagram sections — 31 (65 total)
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 MEMORY SYSTEMS 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 2005 List of elements for Automatic A/C Wiring Diagram for Lexus IS 300 SportCross 2005: 100 (at left fender apron) (at right side of firewall) ih (center of dashboard) a/c control assembly (in dash harness, behind right side of dash) (in engine har- ness, at top left side of engine) (in engine harness, at left front of engine compt) (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 (front of engine compt) 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 comp- ressor) A/c room temperature sensor (behind lower left center of dash) A/c solar sensor (on top left side of dash) A/c thermistor (behind center of dash) 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 At left front of engine compt) Blower motor (behind lower right end of dash) Blower motor controller (behind upper right center of dash) Blw Cds fan fuse 30a Computer data lines system Driver side j/b (behind lower left end of dash) Dual E10 Ea (at front of intake manifold) Ec (at left fender apron) Ecu-ig fuse 10a Engine control module (on left front of engine compt, in protective case) Engine controls system Engine coolant temperature sensor (on left front of engine) 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 (behind upper right side of dash) 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 (right kick panel) Junction connector 8 (behind upper right side of dash) Lck1 Left side of windshield) Mpx+ Mpx- Mpx-b fuse 10a Mpx1 P-s/b Passenger side j/b (behind lower right end of dash) Pkb Pnk Pre Pwr Radiator fan motor (front of engine compt) Radio 2 fuse 10a Rdi fan fuse 30a Red Single Snow Tam Thw Tpi Tpm Transmissions system Transmissions system warning systems Wip
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, with VSC (1 of 2) for Lexus IS 300 SportCross 2005 List of elements for Anti-lock Brakes Wiring Diagram, with VSC (1 of 2) for Lexus IS 300 SportCross 2005: 59 (on left front wheel) left front abs speed sensor +bi Abs & ba & trac & vsc actuator (right side of engine compartment) 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 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 (on right front wheel) S15 S18 Sflh Sflr Sfrh Sfrr Skid control ecu (left end 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 2005 List of elements for Anti-lock Brakes Wiring Diagram, with VSC (2 of 2) for Lexus IS 300 SportCross 2005: 72 +bo Abs ind Bat Bj (at left front floor panel) Brake ind Brake pedal load sensing switch (behind left side of dash) 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 (on left rear wheel) 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 (on right rear wheel) Rl+ Rl- Rr+ Rr- S16 S17 Skid control ecu (left end of dash) Slip ind Sp1 Speedo- meter 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 (behind left side of dash) Vscw Vys Yaw rate sensor (under rear of center console) Yaw2 Yss Anti-lock Brakes Wiring Diagram, without VSC (1 of 2) for Lexus IS 300 SportCross 2005 List of elements for Anti-lock Brakes Wiring Diagram, without VSC (1 of 2) for Lexus IS 300 SportCross 2005: 51 (on left front wheel) left front abs speed sensor (on right front wheel) right front abs speed sensor Abs & ba & trac 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 Mrf Nca Pmc2 Pressure sensor Relay S15 S18 Sflh Sflr Sfrh Sfrr Skid control ecu (left end of dash) 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 2005 List of elements for Anti-lock Brakes Wiring Diagram, without VSC (2 of 2) for Lexus IS 300 SportCross 2005: 63 (left end of dash) A/c control assembly (center of dashboard) A/t A12 Abs ind Brake ind Brake pedal load sensing switch (behind left side of dash) 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 2 (on left side of engine compt, near engine control module) 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 (on left rear wheel) 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 (on right rear wheel) Rl+ Rl- Rr+ Rr- S16 S17 Skid control ecu Slip ind Snow Sp1 Speedo- meter 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 (combination meter) (m/t) (right rear of transmission)
ANTI-THEFT Anti-theft Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005 List of elements for Anti-theft Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005: 54 (sedan) (wagon) (sedan: near left "c" pillar) (wagon: above left rear fenderwell) (wagon: right rear of vehicle) (sedan: below center of rear window, on speaker shelf) wireless door lock control receiver A10 Acc B10 B4 (in body harness, behind left rear wheelwell) Back door courtesy switch (at center rear of luggage compt) 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 (in dash harness, behind left side of dash) Junction connector 12 (sedan) junction connector 17 (wagon) 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) L10 Left front door courtesy switch (on left "b" pillar) Left rear door courtesy switch (on left "c" pillar) Left rear door lock detection switch (in left rear door) Lgcy Lsr Lswp Luggage compt door courtesy switch (rear center of luggage compt) Mpx1 Mpx2 Mpx3 Obd2 Pcty Prg Radio 2 fuse 10a Rcty Rda Right front door courtesy switch (on right "b" pillar) Right rear door courtesy switch (on right "c" pillar) Sedan Tail relay Wagon Anti-theft Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005 List of elements for Anti-theft Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005: 34 (rear center of luggage compartment) luggage compartment door key unlock switch (sedan: near left "c" pillar) (wagon: above left rear fenderwell) 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 Horns system Hot at all times Ih (at right side of firewall) Junction connector 11 (in left front door) Junction connector 12 (sedan) junction connector 17 (wagon) Junction connector 15 (on left side of luggage compt) Junction connector 16 (above right rear fenderwell) Kul Left front door key lock & unlock switch & door lock detection switch (in left front door) Lock Lock detect Lswd Main fuse 40a Power window master switch Red Right front door lock detection switch (in right front door) Right rear door lock detection switch (in right rear door) Sedan Unlk Wagon Anti-theft Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005 List of elements for Anti-theft Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005: 66 (12-18 not used) (20-21 not used) (5-6 not used) (7-9 not used) (9-11 not used) (behind left side of dash) diode (fog light) +b1 A/c control assembly (center of dashboard) A10 A12 A13 Above driver side j/b) Ant1 Ant2 Batt C10 Cluster) Code Combination meter Data link connector (dlc) 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 (center front of engine compartment) Eom G11 Ground Head Horn Hot at all times Hot in on or start I11 Ign fuse 7.5a Igsw Ih (at right side of firewall) Imld Ind Ind security Junction connector 3 (on left side of engine compt, near engine control module) Junction connector 5 (behind left end of dash, id Junction connector 6 (behind left side of dash, forward of instrument b Junction connector 7 (behind upper right side a 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) Transponder key coil Txct Unlock warning switch (near steering column)
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Body Control Modules Wiring Diagram for Lexus IS 300 SportCross 2005: 70 (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 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 2005 List of elements for Computer Data Lines Wiring Diagram for Lexus IS 300 SportCross 2005: 41 (at right front floor panel) bk (behind lower left end of dash) driver side j/b A/b A/c control assembly (center of dashboard) 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 (dlc) 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 (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 (left end of dash) Tac Tach Theft deterrent ecu (behind left end of dash) Wagon Wfse
COOLING FAN Cooling Fan Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Cooling Fan Wiring Diagram for Lexus IS 300 SportCross 2005: 45 A/c condenser fan motor (front of engine compt) A/c control assembly (center of dashboard) A/c diode (behind right end of dash) A/c triple pressure switch (on left front of engine compt, behind bumper fascia) A12 A13 Acc Acmg Cds fan fuse 30a Computer data lines system Driver side j/b (behind lower left end of dash) E10 (in engine harness, at top left side of engine) Ec (at left fender apron) Ecu-ig fuse 10a Engine control module (on left front of engine compt, in protective case) Engine controls system Engine coolant temperature sensor (on left front of engine) Engine room 1 r/b (on right rear of engine compt) Engine room 3 r/b (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) 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 (right kick panel) 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 (front of engine compt) 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 2005 List of elements for Cruise Control Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2005: 59 (m/t) +b2 +bm A/t B11 Batt Ccs Cl+ Cl- Computer data lines system Cruise control clutch switch (near top of clutch pedal) 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) Junction connector 1 & 2 (on left side of engine compt, near engine control module) Junction connector 3 (on left side of engine comp, near engine control module) Junction connector 4 (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 Park/neutral position switch (on right side of transmission) Passenger side j/b (behind lower right end of dash) Red Shield Sp2+ Sp2- St1- Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Stp 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 2005 List of elements for Cruise Control Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2005: 41 (behind lower left side of dash) (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 Combination switch Computer data lines system Cruise Cruise control switch Cruise ind Data link connector (dlc) 3 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 (left end of dash) Sp1 Speedometer Throttle position sensor (on throttle body) Vehicle speed sensor (combination meter) (right rear of transmission) Vehicle speed sensor (electronically controlled transmission) (on left rear of transmission)
DEFOGGERS Front Defogger Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Front Defogger Wiring Diagram for Lexus IS 300 SportCross 2005: 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, in protective case) Fr def fuse 20a Front window deicer 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 2005 List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 300 SportCross 2005: 40 (left "c" pillar) bo 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, in protective case) 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, above driver side j/b) 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) Passenger side j/b (behind lower right end of dash) R19 R20 Rear window defogger (in rear window) Rear window defogger (in rear window) r20 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 2005 List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 6) for Lexus IS 300 SportCross 2005: 71 (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 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 2005 List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 6) for Lexus IS 300 SportCross 2005: 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 2005 List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 6) for Lexus IS 300 SportCross 2005: 38 (above brake pedal, on bracket) stop light 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 (near steering column) unlock warning switch Acc Acis Ccv Driver side j/b (behind lower left end of dash) E01 E02 Ea (front of intake manifold) Eb (center left 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 Vout 3.0L, Engine Performance Wiring Diagram (4 of 6) for Lexus IS 300 SportCross 2005 List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 6) for Lexus IS 300 SportCross 2005: 30 (behind lower right end of dash) passenger side j/b (engine harn, top left side of engine) (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 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 2005 List of elements for 3.0L, Engine Performance Wiring Diagram (5 of 6) for Lexus IS 300 SportCross 2005: 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 (below right side of trans shift lever) Transmission control switch (l-2) 3.0L, Engine Performance Wiring Diagram (6 of 6) for Lexus IS 300 SportCross 2005 List of elements for 3.0L, Engine Performance Wiring Diagram (6 of 6) for Lexus IS 300 SportCross 2005: 50 (engine harn, top left side of ecu box) (front 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 left 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 2005 List of elements for Back-up Lamps Wiring Diagram for Lexus IS 300 SportCross 2005: 13 A/t Back- up light Back-up light switch (near selector lever) 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 (near left "c" pillar) Left rear combination light M/t Right rear combination light Exterior Lamps Wiring Diagram, Sedan (1 of 2) for Lexus IS 300 SportCross 2005 List of elements for Exterior Lamps Wiring Diagram, Sedan (1 of 2) for Lexus IS 300 SportCross 2005: 47 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 I6 (in dash harness, behind left side of dash) Junction connector 13 (near left "c" pillar) Junction connector 14 (on left side of luggage compt, behind left fenderwell) Junction connector 15 (on left side of luggage compartment) 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 Stop light 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 2005 List of elements for Exterior Lamps Wiring Diagram, Sedan (2 of 2) for Lexus IS 300 SportCross 2005: 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 or 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 2005 List of elements for Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Lexus IS 300 SportCross 2005: 53 (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 I6 (in dash harness, behind left side of dash) Junction connector (above left rear fenderwell) Junction connector 13 (near left "c" pillar) Junction connector 15 (on left side of luggage compartment) 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 (left side of luggage compartment) Noise filter (stop- light) (above left rear wheel- 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 Stop light 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 2005 List of elements for Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Lexus IS 300 SportCross 2005: 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 or 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 2005 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005: 69 (bulb type) (in body harness, behind left rear wheelwell) (sedan) b3 (in body harness, under left front seat) b5 (led type) (sedan) (wagon) B4 (in body harness, behind left rear wheelwell) Back door courtesy switch & opener motor Back door opener relay Bj (at left front floor panel) Bl (at left rear quarterpanel) Blower motor controller Body ecu Center air bag sensor assembly Cigarette lighter Combination meter Driver side j/b (behind lower left end of dash) Flash relay From splice b2 (diagram 2 of 3) Front & rear wiper & washer switch (combination switch) Fuel pump High mounted stop light I2 (in dash harness, behind left side of dash) Ie (at left front floor panel center) If (at right front panel center) Ig (at right dash reinforcement) Junction connector 11 (in left front door) Junction connector 15 Junction connector 20 (below left front seat) L10 Left buckle switch Left front door key lock & unlock switch & door lock detection switch Left license plate light Left rear door lock motor & 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 Multi- display Noise filter (def cds) Noise filter (stop light) Power seat control switch (driver's seat) Power window master switch Radio & player Rear fog light switch Rear side marker light Remote control mirror switch Remote controller (navigation) Right license plate light Right stop light (right rear combination light) Right taillight (right rear combination light) Seat heater (driver's seat) Sedan Steering sensor Stereo component amplifier 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 Wireless door lock control receiver Ground Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005: 82 (on left side of engine compt) engine room 3 r/b (sedan) rear window defogger A/c magnetic clutch & lock sensor A/t B2 (in body harness, at center of headliner) B8 (at rear of vehicle) Back door opener switch Bm (at left upper side of back panel) Bn (at right upper side of back panel) Bo (left Brake fluid level warning switch Camshaft position sensor shield Combination switch Crankshaft position sensor shield Data link connector 3 E2 (in engine harness, at left front of engine compartment) E3 (in engine harness, at left front of engine compartment) E9 (in engine harness, at top left side of engine) Ea (at front of intake manifold) Eb (at center left side of intake manifold) Ec (at left fender apron) Engine control module Engine hood courtesy switch Engine oil level sensor Fan 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 1) shield Heated oxygen sensor (bank 1 sensor 2) Heated oxygen sensor (bank 1 sensor 2) shield Heated oxygen sensor (bank 2 sensor 1) Heated oxygen sensor (bank 2 sensor 1) shield Heated oxygen sensor (bank 2 sensor 2) High mounted stop light I3 (in dash harness, behind left side of dash) Id (at left side of firewall) Igniter Inner mirror (compass) Junction connector 1,2 (on left side of engine compartment, near engine control module) Junction connector 3 (on left side of engine compartment, near engine control module) Junction connector 4 (on left side of engine compartment, near engine control module) Junction connector 5 Junction connector 7 (behind upper right side of dash) Knock sensor (bank 1) shield Knock sensor (bank 2) shield 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 Personal light Pressure switch R20 R22 Radiator fan motor Rear window defogger Rear wiper motor Right license plate light Right rear combination light Right vanity light S15 S18 Shield Shield a Skid control ecu To ground bj (diagram 1 of 3) W/ moon roof W/o moon roof Wagon Wire to fcc holder ``c" pillar) Ground Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005: 65 (above right rear fender- well) (in body harness, under right front seat) (on right rear of engine compt) engine room 1 r/b (on right rear of engine compt) engine room 2 r/b A/c control assembly A/t A12 Abs & ba & trac & vsc actuator Abs & ba & trac actuator B7 (in body harness, near right rear wheelwell) B7 (wagon) (in body harness, near right rear wheelwell) Bk (at right front floor panel) Center air bag sensor assembly Combination meter Data link connector (dlc) 3 Daytime running light relay (main) Daytime running light relay 3 Daytime running light relay 4 Daytime running light resistor Efi relay Electronically controlled transmission pattern select switch Glove box light Headlight beam level control ecu I5 (in dash harness, behind right side of dash) Ih (at right side of firewall) Junction connector 16 Junction connector 7 (behind upper right side of dash) M/t Navigation ecu Passenger side j/b (behind lower right end of dash) Power outlet Power outlet (luggage) Power outlet relay Power seat control switch (front passenger's seat) Rheostat Right buckle switch & seat belt warning occupant detection sensor Right door lock control switch Right front door lock motor & 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 & 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 T14 Trac off switch Trac off switch & 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 2005 List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2005: 63 (behind left side of dash) diode (fog light) (in dash harness, behind left side of dash) i2 (sedan: near left "c" pillar) (wagon: in rear of liftgate) +b1 Acc Anti-theft system Auto Automatic light control sensor (top left side of dash) B10 Becu 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 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) junction connector 18 (wagon) Junction connector 15 (left side of luggage compartment) 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 2005 List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2005: 44 (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 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 2005 List of elements for Headlamps Leveling Wiring Diagram for Lexus IS 300 SportCross 2005: 65 A11 Above driver side j/b) Anti-lock brakes system Auto Combination meter Combination switch Dimmer switch Diode (fog light) (behind left side of dash) 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 (sedan: under left rear of vehicle, attached to suspension control arm) (wagon: under rear of vehicle) 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 2005 List of elements for Horn Wiring Diagram for Lexus IS 300 SportCross 2005: 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 (in front of radiator) Passenger side j/b (behind lower right end of dash) Right horn (in front of radiator) Theft deterrent ecu (behind left end of dash)
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2005 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2005: 64 (behind lower left side of dash) data link connector (dlc) 3 Acc B10 Back door opener switch (wagon) Bdsu Becu Bk (at right front floor panel) 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 I2 (in dash harness, behind left side of dash) Ignition key cylinder light Ih (at right side of firewall) Ile J/c 15 (on left side of luggage compt) J/c 16 (above right rear fender- well) J/c 16 (above right rear fenderwell) J/c 5 (behind left end of dash, 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 (on left ``b" pillar) Left rear door lock detection switch (in left rear door) 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 (on right ``b" pillar) Right front door lock detection switch (in right front door) Right rear door lock detection switch (in right rear door) Sedan Sil Srs-b fuse 7.5a Wagon Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2005 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2005: 50 (at right front floor panel) bk (sedan) (wagon) (sedan) c (wagon) d A/c control assembly (center of dashboard) A12 A13 Back door courtesy switch (at center rear of luggage compt) Bdm Bj (at left front floor panel) C (sedan) Combination meter D (wagon) Diode (luggage compartment light) (sedan: on rear speaker 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 (wagon: above left rear fenderwall) (sedan: near left ``c" pillar) J/c 15 (on left side of luggage compt) Kul Left front door key lock/unlock switch & door lock detection switch (in left front door) Left rear door courtesy switch (on left "c" pillar) Left vanity light Lock Lock decect Lswd Luggage compartment door courtesy switch (rear center of luggage compt) Luggage compartment light Moonroof control switch (w/ moon roof) Mpx+ Mpx- Mpx1 Mpx2 Off Personal light (w/o moon roof) Power window master switch Prg Rda Red Right rear door courtesy switch (on right "c" pillar) Right vanity light Sedan Theft deterrent ecu (behind left end of dash) Unlk Wagon Wire to ffc holder Wireless door lock control receiver (sedan: below center of rear window, on speaker shelf) (wagon: right rear of vehicle) Instrument Illumination Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Instrument Illumination Wiring Diagram for Lexus IS 300 SportCross 2005: 38 (a/t) (m/t) A/c control assembly (center of dashboard) A12 Ashtray illumi- nation Cigarette lighter illumi- nation Combination meter illumination (combination meter) Driver side j/b (behind lower left end of dash) Electronically controlled transmission pattern select switch 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 (behind left end of dash, 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) (in center console) 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)
MEMORY SYSTEMS Memory Systems Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Memory Systems Wiring Diagram for Lexus IS 300 SportCross 2005: 74 (at base of parking brake lever) parking brake switch (behind left end of dash, above driver side j/b) junction connector 5 (below driver's seat) power seat position sensor (driver's seat front vertical) (below driver's seat) power seat position sensor (driver's seat rear vertical) (below driver's seat) power seat position sensor (driver's seat reclining) (below driver's seat) power seat position sensor (driver's seat slide) (on left "b" pillar) left front door courtesy switch A/t A/t indicator light switch (park/neutral position switch) (on right side of transmission) B5 (in body harness, under left front seat) Bj (at left front floor panel) Dcty Down Driver side j/b (behind lower left end of dash) Driver's position memory switch (left side of dash) Ecu-b2 fuse 7.5a Engine room 1 r/b (on right rear of engine compt) F j1 Fdwn Front Front vertical Frv+ Frv- Fup Gauge fuse 10a Gnd Hot at all times Hot in on or start Id (at left side of firewall) Junction connector 1 & 2 (on left side of engine compt, near engine control module) Junction connector 20 (below left front seat) Junction connector 6 (behind left side of dash, forward of instrument cluster) Ldwn Lup M/t Mmry P/seat fuse 30a P28 P29 Passenger side j/b (behind lower right end of dash) Passenger side j/b (behind lower right end of of dash) Pkb Pnk Power seat control switch (driver's seat) Power seat ecu (below left front seat) Power seat motor (driver's seat front vertical) (below driver's seat) Power seat motor (driver's seat rear vertical) (below driver's seat) Power seat motor (driver's seat reclining) (in driver's seat) Power seat motor (driver's seat slide) (in driver's seat) Pvcc Rcl+ Rcl- Rclf Rclr Rdwn Rear Rear vertical Reclining Rrv+ Rrv- Rup Sgnd Sld+ Sld- Sldf Sldr Slide Ssfv Ssrr Ssrs Ssrv Sw1 Sw2 Sysb
NAVIGATION Navigation Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Navigation Wiring Diagram for Lexus IS 300 SportCross 2005: 84 (a/t) (a/t) (m/t) (behind lower left side of dash) data link connector (dlc) 3 (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 (near top of clutch pedal) 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 16 (above right rear fenderwall) J/c 19 (right kick panel) 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 (sedan: rear of luggage compt) (wagon: rear center of luggage compt) Nca Park/neutral position switch back-up light switch (a/t: on right side of transmission) (m/t: near selector lever) 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 (in center console) Rev S16 Sedan Sgnd Sgnd1 Skid control ecu (left end of dash) 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) (right rear of transmission) Vr r Wagon
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005 List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005: 60 (behind lower right end of dash) passenger side j/b (on right rear of engine compt) engine room 1 r/b 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 & horns systems Anti-theft, body computer, cruise control, door locks, engine controls, 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, exterior lights & headlights systems Battery Cds fan fuse 30a Cooling fans system Cruise control, engine controls, transmissions & computer data lines systems Dimmer relay Dome fuse 7.5a Drl 2 fuse 30a Ecu-b1 fuse 20a Ecu-b2 fuse 7.5a Efi fuse 25a Engine controls, cruise control & transmissions systems Engine controls, transmissions & cruise control systems Engine room 1 r/b (on right rear of engine compt) Engine room 3 r/b (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, seats & anti-lock brakes systems Heater fuse 40a Heater relay Horn fuse 10a Interior lights system Main fuse 40a Mir heater relay Mir htr fuse 15a Mpx-b fuse 10a Obd fuse 7.5a P/seat fuse 30a P/w relay Radio 1 fuse 20a Rdi fan fuse 30a Red Seats system Sound systems Srs-b fuse 7.5a Starter Starter relay Starting/ charging system To door dl fuse (diagram 3 of 3) To driver side j/b (diagram 2 of 3) To engine room relay block 1 (diagram 1 of 3) To ignition switch (diagram 2 of 3) Turn/ hazard fuse 15a Wiper/ washer system Power Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005 List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005: 60 (behind lower left end of dash) driver side j/b A/c fuse 10a A/t Acc Air conditioning system Air conditioning, navigation, instrument cluster, shift interlock & sound systems Am 1 fuse 40a Anti-lock brakes, cruise control, engine controls, exterior lights, shift interlock & transmissions systems B11 B12 Body computer, interior lights, headlights & instrument Body ecu Bsub Cluster systems D fr p/w fuse 20a Deicer relay Door fuse 20a Engine controls system Exterior lights system Fr def fuse 20a From am2 fuse, engine room 1 r/b (diagram 1 of 3) From engine room 1 r/b (diagram 1 of 3) G11 H12 H13 Ignition switch Junction connector 10 (behind upper right side of dash) K12 Lock Mirrors system Navigation system Navigation, starting/ charging, engine controls & transmissions systems Noise filter (def cds) Off 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 Sound systems Srs acc fuse 10a Start Starter fuse 7.5a Stop fuse 15a Tail fuse 10a Tail relay To driver side j/b (cig fuse, 15a) (diagram 3 of 3) To driver side j/b (gauge fuse, 10a) (diagram 3 of 3) To passenger side j/b (ign fuse, 7.5a) (diagram 3 of 3) To power outlet relay (diagram 3 of 3) Trunk, tailgate & fuel doors system Washer fuse 15a Wiper fuse 25a Wiper/ washer system Power Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005 List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005: 47 (behind lower left end of dash) driver side j/b (in dash harness, behind left side of dash) i1 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, transmissions & warning systems Anti-theft system Anti-theft, navigation, cruise control, anti-lock brakes, & headlights systems Bk (at right front floor panel) Body ecu Cig fuse 15a Cigarette lighter Cruise control system Cruise control, engine controls & transmissions systems Cruise control, exterior lights, shift interlock, starting/charging, transmissions & seats systems Defogger & power windows systems Deicer relay Door dl fuse 15a Ecu-ig fuse 10a Engine controls system Exterior lights & seats systems Flasher relay From driver side j/b (diagram 2 of 3) From driver side j/b (radio 2 fuse, 10a) (diagram 2 of 3) From e driver side j/b (seat htr fuse, 15a) (diagram 2 of 3) From junction connector j10 (diagram 2 of 3) From passenger g side j/b (diagram 1 of 3) Gauge fuse 10a H11 H13 Headlights system Ign fuse 7.5a Ih (at right side of firewall) Instrument cluster, power tops & mirrors systems Junction connector 16 (sedan) (above right rear fenderwell) Junction connector 5 (behind left end of dash, above driver side j/b) L10 Navigation system Passenger side j/b (behind lower right end of dash) Pnk Power outlet Power outlet (luggage) Power outlet fuse 15a Power outlet relay (wagon) (right rear of vehicle) Power windows system Rr def relay Tv fuse 7.5a
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005 List of elements for Power Door Locks Wiring Diagram (1 of 3) for Lexus IS 300 SportCross 2005: 64 (on left "c" pillar) (sedan) (wagon) (sedan: near left "c" pillar) (wagon: above left rear fenderwell) (wagon) (sedan) (wagon: at right upper side of back panel) bn (wagon: right rear of vehicle) (sedan: below center of rear window, on speaker shelf) wireless door lock control receiver 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 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) 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 (on left "b" pillar) Left rear door courtesy switch Left rear door lock motor & door lock detection switch (in left rear door) Lgcy Lock Lsr Lswp Mpx1 Mpx2 Mpx3 Obd2 Pcty Pml Pmul Prg Radio 2 fuse 10a Rcty Rda Right front door courtesy switch (on right "b" pillar) Right rear door courtesy switch (on right "c" pillar) Tr+ Unlock warning switch (near steering column) Power Door Locks Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005 List of elements for Power Door Locks Wiring Diagram (2 of 3) for Lexus IS 300 SportCross 2005: 25 (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 (wagon: above left rear fenderwell) (sedan: near left "c" pillar) (wagon) junction connector 17 (sedan) junction connector 12 B4 (in body harness, behind left rear wheelwell) Back door opener relay (wagon) (above left rear fenderwell) Bdm Bk (at right front floor pan) Detection Driver side j/b (behind lower left end of dash) Junction connector 15 (on left side of luggage compt) Junction connector 16 (above right rear fenderwell) Kul Left front door lock motor, door key lock & unlock switch & door lock detection switch (in left front door) 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 (in right front door) Right rear door lock motor & door lock detection switch (in right rear door) Sedan Unlk Wagon Power Door Locks Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005 List of elements for Power Door Locks Wiring Diagram (3 of 3) for Lexus IS 300 SportCross 2005: 26 A/c control assembly (center of dashboard) A12 A13 Back door courtesy switch & opener motor (at center rear of luggage compt) Combination meter Data link connector (dlc) 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 (near left "c" pillar) Junction connector 15 (on left side of luggage compt) Junction connector 17 (above left rear fenderwell) Luggage compt door courtesy switch & opener motor (rear center of luggage compartment) 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 2005 List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 300 SportCross 2005: 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 ffc holder Power Mirrors Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Power Mirrors Wiring Diagram for Lexus IS 300 SportCross 2005: 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 2005 List of elements for Heated Seats Wiring Diagram for Lexus IS 300 SportCross 2005: 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 system J/c 7 Passenger side j/b (behind lower right end of dash) Seat heater (driver's seat) (in driver's seat) Seat heater (front passenger's seat) (in right front seat) Seat htr fuse 15a Seat) Passenger Seat Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Passenger Seat Wiring Diagram for Lexus IS 300 SportCross 2005: 18 Bk (at right front floor panel) Down Engine room r/b 1 (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 (front passenger's seat front vertical control) (below right front seat) Power seat motor (front passenger's seat rear vertical control) (below right front seat) Power seat motor (front passenger's seat reclining control) (in right front seat) Power seat motor (front passenger's seat slide control) (in right front seat) Rear Rear vertical Reclining Slide
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Power Top/Sunroof Wiring Diagram for Lexus IS 300 SportCross 2005: 22 (at left front floor panel) Bcty Body ecu 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 (on left "b" pillar) 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 2005 List of elements for Power Windows Wiring Diagram for Lexus IS 300 SportCross 2005: 64 (at right side of firewall) ih (behind lower left end of dash) driver side j/b (sedan : at right front floor panel) (wagon : at right front floor pan) bk Acc B10 B11 B3 (sedan) 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 compartment) 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 (on left "b" pillar) Left front power window motor (in left front door) Left rear power window control switch Left rear power window motor (in left rear door) 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 front power window motor (in right front door) Right rear power window control switch Right rear power window motor (in right rear door) Rld Rlu Rrd Rru Sedan Sgnd Wagon
RADIO Radio Wiring Diagram, Sedan for Lexus IS 300 SportCross 2005 List of elements for Radio Wiring Diagram, Sedan for Lexus IS 300 SportCross 2005: 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 (rear of luggage compartment) 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 2005 List of elements for Radio Wiring Diagram, Wagon for Lexus IS 300 SportCross 2005: 71 (behind right side of dash) i10 (or pnk) Acc+ Acc+b Amp+ Ant+b 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 (rear center of luggage compartment) 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 2005 List of elements for Shift Interlock Wiring Diagram for Lexus IS 300 SportCross 2005: 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, above driver side j/b) 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 position 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 (above brake pedal, on bracket) Stp Unlock warning switch (near steering column)
STARTING/CHARGING Charging Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Charging Wiring Diagram for Lexus IS 300 SportCross 2005: 27 A/c control assembly (center of dashboard) 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 & 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 2005 List of elements for Starting Wiring Diagram for Lexus IS 300 SportCross 2005: 25 A/t Acc Am2 Am2 fuse 20a Battery Battery ground Clutch start switch (near top of clutch pedal) 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 (right kick panel) Lock M/t Main fuse 40a Nca On off 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 2005 List of elements for Supplemental Restraints Wiring Diagram for Lexus IS 300 SportCross 2005: 71 (at base of left "b" pillar) left side air bag sensor (behind lower left end of dash) driver side j/b (wagon: inside of right front seat belt buckle) +sl +sr -sl -sr A11 Acc Air bag squib (front passenger air bag assembly) (right side of dashboard) Air bag squib (steering wheel pad) (center of steering wheel) Bj (at left front floor panel) Bk (at right front floor panel) Bl (at left rear quarterpanel) Center air bag sensor assembly (below center of dash, on transmission tunnel) Combination meter Data link connector (dlc) 3 (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- Id (at left side of firewall) Ig2 Ign fuse 7.5a Junction connector 13 (near left "c" pillar) Junction connector 15 (on left side of luggage compartment) Junction connector 5 (behind left end of dash, above driver side j/b) Lbe+ Left buckle switch (sedan: inside of left front seat belt buckle) Left curtain shield air bag squib (on left "a" pillar) Left front air bag sensor (on left side of radiator support) Left pretensioner (wagon: at base of left "b" pillar) (sedan: at left "b" pillar) Left side air bag squib (under left front seat) 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 (on right "a" pillar) Right front air bag sensor (on right side of radiator support) Right pretensioner (wagon: at base of right "b" pillar) (sedan: at right "b" pillar) Right side air bag sensor (at base of right "b" pillar) Right side air bag squib (under right front seat) 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 2005 List of elements for A/T Wiring Diagram (1 of 2) for Lexus IS 300 SportCross 2005: 58 (engine harn, left front of engine compt) (engine harn, top left side of ecu box) (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 E2 mass airflow meter (right side of engine compartment, behind air box) Ea (front of intake manifold) Eb (center left 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 (right side of firewall) J/c 3 (near ecm) J/c 7 (behind upper right side of dash) 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 Stop light switch (above brake pedal, on bracket) Stp Tha Thw Wfse A/T Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2005 List of elements for A/T Wiring Diagram (2 of 2) for Lexus IS 300 SportCross 2005: 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 left 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) Transmission control switch (l-2) 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 2005 List of elements for Tailgate Release Wiring Diagram, Wagon for Lexus IS 300 SportCross 2005: 22 (behind lower left end of dash) driver side j/b 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 Hot at all times J/c 15 (on left side of luggage compt) 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) Tr+ Trunk Release Wiring Diagram, Sedan for Lexus IS 300 SportCross 2005 List of elements for Trunk Release Wiring Diagram, Sedan for Lexus IS 300 SportCross 2005: 18 Becu Body ecu Bsub Door fuse 20a Driver side j/b (behind lower left end of dash) Gnd Gnd2 Hot at all times J/c 12 (near left "c" pillar) J/c 15 (on left side of luggage compt) 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) Tr+
WARNING SYSTEMS Warning Systems Wiring Diagram for Lexus IS 300 SportCross 2005 List of elements for Warning Systems Wiring Diagram for Lexus IS 300 SportCross 2005: 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 (center of dashboard) 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, in protective case) Gauge fuse 10a Gnd Gnd2 H10 Hot at all times Hot in acc or on Hot in on or start J/c 13 (near left "c" pillar) J/c 15 (on left side of luggage compt) J/c 5 (behind left end of dash, above driver side j/b) J/c 6 (behind left side of dash, forward of instrument cluster) Ksw L10 Left buckle switch (inside of left front seat belt buckle) Left front door courtesy switch (on left "b" pillar) 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 (inside of right front seat belt buckle) 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 2005 List of elements for Front Wiper/Washer Wiring Diagram for Lexus IS 300 SportCross 2005: 20 (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) Int Int time J/c 5 (behind left end of dash, above driver side j/b) 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 2005 List of elements for Headlamp Washer Wiring Diagram for Lexus IS 300 SportCross 2005: 32 C11 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 (behind left side of dash) 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 (behind left end of dash, above driver side j/b) 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 2005 List of elements for Rear Wiper/Washer Wiring Diagram for Lexus IS 300 SportCross 2005: 22 Bn (wagon: at right upper side of back panel) C13 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 I7 (in dash harness, behind left side of dash) Int J/c 5 (behind left end of dash, above driver side j/b) Off R21 R22 Rear wiper diode (behind left side of dash) Rear wiper motor (wagon: in center rear of liftgate) Rear wiper relay Rear wiper/ Side of dash) Wash Washer fuse 15a Washer motor (below left headlight) Washer switch Wiper fuse 25a
