ANTI-THEFT – Lexus IS 300 2003 – SYSTEM WIRING DIAGRAMS

ANTI-THEFT

Anti-theft Wiring Diagram (1 of 3) for Lexus IS 300 2003

List of elements for Anti-theft Wiring Diagram (1 of 3) for Lexus IS 300 2003:

• (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 2003

List of elements for Anti-theft Wiring Diagram (2 of 3) for Lexus IS 300 2003:

• (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 2003

List of elements for Anti-theft Wiring Diagram (3 of 3) for Lexus IS 300 2003:

• (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