All Wiring Diagrams for Lexus IS 250 2009 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250 2009

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250 2009:

• (partial)
• (right side of dash) power source control ecu
• A/c amplifier (center of dash)
• A/c fuse 7.5a
• A/c pressure sensor (left side of radiator)
• A/c pressure sensor (low) (m/t) (left rear of engine compt)
• A/c room temperature sensor (left center of dash)
• A11
• A27
• A33
• Automatic light control sensor (left side of dash)
• B1 (right front of engine compt)
• Bllh
• Blrh
• Blw
• Computer data lines system
• Cut +
• D12
• D13
• D29
• Dgs
• Dgs1
• Ecu-ig lh fuse 10a
• Gnd
• Hot at all times
• Htr1
• Htr2
• Ig+
• Ig1d
• J/c a7, a8, a33 & j80 (a33 & j80: a7 right kick panel)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J58
• J59
• J80
• Left cowl side j/b (left end of dash)
• Left ig2 relay
• Lh ig1 relay
• Lh-ig fuse 10a
• Lout
• Mhtr
• Mpx+
• Mpx-
• Pnk
• Pre
• Psw
• Rdfg
• Red
• Right cowl side j/b (right end of dash)
• Rout
• S5-2
• S5-3
• S5-4
• Seat heater switch (if equipped)
• Seats system
• Sg-1
• Sg-2
• Sg-3
• Sg-4
• Sg-6
• Smog ventilation sensor (3.5l) (front of radiator)
• Sol+
• Svs5
• Svsg
• Sw4
• Sw5
• Tsd
• Tsl
• Tsp
• Tsr

Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250 2009

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250 2009:

• 2.5l
• 3.5l
• A4 (right rear of engine compt)
• Acmg
• Ambient temperature sensor (left center of front bumper fascia)
• Blower motor (right end of dash)
• Ca1h
• Ca1l
• Can h
• Can l
• Combustion heater glow plug (rear of engine)
• Computer data lines system
• Crankshaft position sensor (left front of engine)
• E1 (left rear of engine)
• Engine control module (left front of engine compt)
• Engine coolant temperature sensor (rear of engine)
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Etam
• Ethw
• Fan
• Fan1 fuse 40a
• Fan2
• Fan2 fuse 40a
• Gateway ecu (right end of dash)
• Glw plg1 fuse 50a
• Glw plg2 fuse 50a
• Glw rly 1 relay
• Glw rly 2 relay
• Gnd
• Heater fuse 50a
• Hot at all times
• J/c a8
• J/c e1 (left side of engine compt)
• J/c j2 & j7 (left kick panel) j2
• J/c j81 & j84 (right kick panel) j81
• J84
• Lck1
• Mpi1
• Mpi2
• Nca
• Ne+
• Ne-
• Pnk
• Red
• Tam
• Thw

Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250 2009

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250 2009:

• (e1: left side of engine compt) j/c a10 & e1
• 2.5l
• 3.5l
• A/c amplifier (center of dash)
• A/c blower assembly
• A/c comp fuse 7.5a
• A/c comp relay
• A/c compressor
• A/c evaporator temperature sensor
• A10
• A2 (left rear of engine compt)
• A3 (left rear of engine compt)
• B bus
• B2 (left front of engine compt)
• Bus
• Bus g
• Connector housing color (block)
• Connector housing color (green)
• Connector housing color (natural)
• Connector housing color (red)
• Cooling fan motor 1 (left front of engine compt)
• Cooling fan motor 2 (right front of engine compt)
• Damper servo motor (air inlet)
• Damper servo motor (air mix driver side)
• Damper servo motor (air mix front passenger side)
• Damper servo motor (air vent mode)
• Damper servo motor (cool air bypass)
• E1 (left rear of engine)
• Engine room r/b 2 (left side of engine compt)
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Flow control valve
• Hot at all times
• J/c a7 & a8
• J/c a9 (left side of engine compt)
• Lock sensor
• Magnetic clutch
• Red

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus IS 250 2009

List of elements for Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus IS 250 2009:

• (left rear of engine compt) a2
• +bs
• A/t
• A1 (left rear j/c a15 of engine compt)
• A12
• A24
• A3 (left rear of engine compt)
• A33
• Abs 1 fuse 50a
• Abs 2 fuse 30a
• Brake pedal load sensing switch (left side of dash)
• Buzzer
• Canh
• Canl
• Computer data lines system
• Csw
• D12
• D14
• Data link connector (dlc) 3 (left side of dash)
• Ecu-ig rh fuse 10a
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Fl+
• Fl-
• Flo
• Fr+
• Fr-
• Fro
• Fsw+
• Gnd1
• Gnd2
• Hot at all times
• Ig1
• Ig1d
• J/c a20 (left kick panel)
• J/c a33 & j80 (right kick panel)
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J4 (right kick panel)
• J80
• L10
• Left front speed sensor (left front wheel hub assembly)
• Left rear speed sensor (left rear wheel hub assembly)
• M/t
• Mpx-b fuse 10a
• Parking brake switch (left side of dash)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig 1 ig1 relay
• Right cowl side j/b (right end of dash)
• Right front speed sensor (right front wheel hub assembly)
• Right rear speed sensor (right rear wheel hub assembly)
• Rl+
• Rl-
• Rr+
• Rr-
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1
• Stop sw fuse 7.5a
• Stp1
• Stp2
• Stpo
• Traction control switch
• Vsc warning buzzer (left side of dash)

Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus IS 250 2009

List of elements for Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus IS 250 2009:

• (a/t)
• (right side of dash) j/c j70
• 4wd control ecu (if equipped) (right kick panel)
• A10
• A29
• Abs ind
• Bat
• Brake ind
• Brk-lp relay
• Canh
• Canl
• Combination meter
• Computer data lines system
• D12
• D13
• D29
• Ecu-ig lh fuse 10a
• Engine room r/b 2 (left side of engine compt)
• Ess
• Hot at all times
• Ig+
• Input circuit
• J/c a29 & j10 (left kick panel)
• J/c a7 & a8
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J10
• J2 (under center console)
• J34
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Lh- ig 1 relay
• Lh- ig2 relay
• Lh-ig fuse 10a
• Master ind
• Micro computer
• Micro computer (sub)
• Mpx+
• Mpx-
• Multi information display
• Out
• Park/neutral position switch (a/t) (on transmission)
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Slip ind
• Steering sensor (on steering column)
• Stop lamp control relay (a/t) (left side of dash)
• Stop lamp switch (left side of dash)
• Stp
• Vsc off ind

Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus IS 250 2009

List of elements for Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• (left kick panel) (w/ adaptive front- lighting system) headlamp swivel ecu
• (or vcta)
• (right side of dash) j/c j70
• (under center console) yaw rate sensor
• 2.5l
• 3.5l
• A25
• Accelerator pedal sensor (left side of dash)
• Camshaft timing oil control valve (left exhaust) (left cylinder head)
• Camshaft timing oil control valve (left intake) (left cylinder head)
• Camshaft timing oil control valve (right exhaust) (right cylinder head)
• Camshaft timing oil control valve (right intake) (right cylinder head)
• Canh
• Canl
• Computer data lines system
• Crankshaft position sensor (left front of engine)
• E1 (left rear of engine)
• Engine control module (left front of engine compt)
• Engine controls system
• Epa
• Epa2
• Gauge fuse 7.5a
• Geo1
• Gnd
• Hot w/ ig2 relay energized
• J/c e1 (left side of engine compt)
• J1 (left kick panel)
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Spdl
• Spdr
• Throttle body assembly
• Vc2
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vta1
• Vta2

ANTI-THEFT

Anti-theft Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 250 2009:

• Acc
• Acc fuse 7.5a
• Act+
• Act-
• Actd
• Altb
• Batb
• Body ecu
• Computer data lines system
• Cpub
• D24
• Ecu-ig rh fuse 10a
• Fr door rh fuse 20a
• Gsw
• Hot at all times
• Hot w/ acc relay energized
• Hot w/ rh-ig 1 relay energized
• Hrly
• J/c a33 (right kick panel)
• J/c q36 (left rear wheelwell)
• J10
• J17
• J21
• J74
• J75
• Kul
• Left front door lock assembly (driver's door)
• Left rear door lock assembly (left rear door)
• Lgcy
• Lock key
• Lssr
• Lsw
• Lswl
• Lswp
• Lswr
• Mpx1
• Mpx2
• P1 (right side of crossmember)
• Pnk
• Power window master switch
• Pws
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Red
• Right cowl side j/b (right end of dash)
• Right front door lock assembly (front passenger's door)
• Right rear door lock assembly (right rear door)
• Ti & te fuse 20a
• Tr+
• Udl
• Ul1
• Unlock detection
• Unlock key

Anti-theft Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 250 2009:

• A1 (left rear of engine compt)
• A11
• A36
• Body ecu
• Bzr
• Courtesy
• D11
• D17
• Dcty
• Dome lamp
• Door
• Door lock control switch
• Gnd1
• Gnd2
• Haz
• Ill+
• Ind
• Integrated control & panel assembly
• J/c a15
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J2 (under center console)
• J4 (right kick panel)
• J74
• J75
• Lcty
• Left front door courtesy switch (left "b" pillar)
• Left rear door courtesy switch (left "c" pillar)
• Lock
• Luggage door lock assembly
• Multi- display
• Overhead j/b (front center of roof)
• P1 (right side of crossmember)
• Pcty
• Q2 (left side of trunk)
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Room lamp
• Security horn (right rear of engine compt)
• Seuc
• Un lock
• W/ navigation
• W/o navigation
• Wireless door lock buzzer (inside left front wheelwell)

Anti-theft Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 250 2009:

• A12
• A29
• A30
• Bdcy
• Body ecu
• Computer data lines system
• D12
• Dome fuse 10a
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Foot lamp
• Gnd
• Haz
• Head lp relay
• Hot at all times
• J/c a29 & j10 (left kick panel) a29
• J/c l11 (front passenger's door)
• J/c m14 (driver's door)
• J/c p24 & p25 (right side of trunk)
• J/c q33 & q34 (left rear wheelwell)
• J1 (left kick panel)
• J10
• J2 (under center console)
• L14
• Lcty
• Left cowl side j/b (left end of dash)
• Left outer rear view mirror
• Lgcy
• Lkul
• Lpsw
• Luggage compartment door lock cylinder
• Luggage electrical key switch (center rear of trunk)
• M15
• Main fuse 30a
• Mpx1
• Mpx2
• P24
• P25
• Pnk
• Q2 (left side of trunk)
• Q33
• Q34
• Right outer rear view mirror
• Sgnd
• Turn signal flasher (left side of dash)
• W/ memory
• W/o memory
• W/o navigation system

Anti-theft Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 250 2009:

• A2 (left rear of engine compt)
• Air bag sensor assembly center (under center console)
• B1 (right front of engine compt)
• Buckle switch
• Ca1h
• Ca1l
• Canh
• Canl
• Combination meter
• Computer data lines system
• Dbe-
• Engine hood courtesy switch (center front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Front controller
• Gateway ecu (right end of dash)
• Horn (high) (front of radiator)
• Horn (low) (front of radiator)
• Horn fuse 10a
• Horn relay
• Hot at all times
• J34
• J47 gsw
• Left front seat inner belt
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Q32 dbe+
• Red
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1

Anti-theft Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 250 2009:

• A24
• Acc fuse 7.5a
• Ant
• Ant1
• Ant2
• Asel
• Becu
• Body ecu
• Clg
• Clgb
• D12
• D13
• D18
• Data
• Door control receiver (right rear of vehicle)
• Ecu- ig rh fuse 10a
• Electrical key antenna (right rear of trunk)
• Gnd
• Hot at all times
• Hot w/ acc relay energized
• J/c j27 (left side of dash)
• J/c l11 (front passenger's door)
• J/c m14 (driver's door)
• J/c p24 & p25 (right side of trunk)
• J1 (left kick panel)
• J15
• J18
• J24
• J29
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Left front door electrical key oscillator (driver's door)
• Left front door outside handle
• Lh-ig 1 relay
• Lh-ig fuse 10a
• Nca
• P1 (right side of crossmember)
• P2 (right rear of vehicle)
• P24
• P25
• Park/ neutral position switch (a/t) (on transmission)
• Pnk
• Q1 (left "b" pillar)
• Red
• Rh-ig 1 relay
• Right cowl side j/b (right end of dash)
• Right front door electrical key oscillator (front passenger's door)
• Right front door outside handle
• Rssi
• Sel
• Sens
• Sgt
• Trg+
• Trg-

Anti-theft Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 250 2009:

• (right side of trunk) certification ecu
• (under center console) console electrical key oscillator
• +b1
• Acc
• Agnd
• Asel
• Cg1b
• Cg2b
• Cg5b
• Cg6b
• Cg7b
• Cg8b
• Clg1
• Clg2
• Clg3
• Clg4
• Clg5
• Clg6
• Clg7
• Clg8
• Clgb
• Code
• Com
• Computer data lines system
• D11
• Gnd
• Inds
• Indw
• Inside luggage room electrical key oscillator (left side of trunk)
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J/c p26 (right side of trunk)
• J4 (right kick panel)
• Lin
• Mpx1
• Mpx2
• Outside luggage room electrical key oscillator (right side of trunk)
• P1 (right side of crossmember)
• Pnk
• Power switch
• Rc0
• Rda
• Rear seat electrical key oscillator (left rear seat)
• Red
• Right cowl side j/b (right end of dash)
• Rssi
• Sel1
• Sel2
• Sen1
• Sen2
• Ss1
• Ss2
• Swil
• Tsw1
• Tsw2
• Txct
• Vc5

Anti-theft Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 250 2009:

• (left kick panel) j/c a29 & j10
• (or red)
• A/t
• A27
• A29
• Accd
• Alt
• Am1
• Am2
• Am2 fuse 7.5a
• Canh
• Canl
• Computer data lines system
• Ctsw
• D11
• Efii
• Efio
• Engine control module (left front of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Generator
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig2 relay energized
• Id code box (center of dash)
• Ig1d
• Ig2
• Ig2d
• Ige
• Ign fuse 10a
• Imi
• Imo
• Inds
• Indw
• Instrument cluster system
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J10
• J2 (under center console)
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Lin
• Lin1
• Mpx1
• Mpx2
• Pnk
• Power distribution system
• Power source control ecu (right side of dash)
• Red
• Right cowl side j/b (right end of dash)
• Security fuse 7.5a
• Sgnd
• Shift lock control ecu (under center console)
• Sksw
• Slp
• Slp1
• Slr+
• Spd
• Ssw1
• Ssw2
• Sta
• Star
• Starting/ charging system
• Starting/charging system
• Steering lock ecu (steering column)
• Stop lamp switch (left side of dash)
• Stop sw fuse 7.5a
• Stp
• Str lock fuse 25a
• Str1
• Str2
• Stsw
• Swil
• Tach

Anti-theft Wiring Diagram, without Smart Key System (1 of 4) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, without Smart Key System (1 of 4) for Lexus IS 250 2009:

• (driver's door) left front door lock assembly
• A24
• Acc
• Acc fuse 7.5a
• Act+
• Act-
• Actd
• Altb
• Batb
• Body ecu
• Computer data lines system
• Cpub
• D18
• D24
• Detection unlock
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Fr door rh fuse 20a
• Gnd
• Hot at all times
• Hot w/ rh ig1 relay energised
• Hrly
• J/c a33 (right kick panel)
• J/c j27 (left side of dash)
• J/c m14 (driver's door)
• J/c q36 (left rear wheel- well)
• J10
• J17
• J21
• J29
• J74
• J75
• Key lock
• Key unlock
• Kul
• Left cowl side j/b (left end of dash)
• Left rear door lock assembly (left rear door)
• Lgcy
• Lssr
• Lsw
• Lswl
• Lswp
• Lswr
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• P1 (right side of cross member)
• Pnk
• Power window master switch
• Pws
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Red
• Right cowl side j/b (right end of dash)
• Right front door lock assembly (front passenger's door)
• Right rear door lock assembly (right rear door)
• T1 & te fuse 20a
• Tr+
• Udl
• Ul1

Anti-theft Wiring Diagram, without Smart Key System (2 of 4) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, without Smart Key System (2 of 4) for Lexus IS 250 2009:

• A11
• A36
• Body ecu
• Combination meter
• Computer data lines system
• D11
• D17
• Dcty
• Dome lamp
• Door courtesy switch (left front) (left "b" pillar)
• Door courtesy switch (left rear) (left "c" pillar)
• Door courtesy switch (right front) (right "b" pillar)
• Door courtesy switch (right rear) (right "c" pillar)
• Door lock control switch
• Gnd1
• Gnd2
• Haz
• Ind
• Integrated control & panel assembly
• Intrusion sensor
• J/c j27 (left side of dash)
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J2 (under center console)
• J34
• J4 (right kick panel)
• J74
• J75
• Lcty
• Lock
• Luggage door lock assembly
• Mpx+
• Mpx-
• Multi- display
• Overhead j/b (front center of roof)
• P1 (right side of crossmember)
• Pcty
• Q2 (left side of trunk)
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Room lamp
• Security horn (right rear of engine compt)
• Seuc
• Unlock
• W/ navigation system
• W/o navigation system

Anti-theft Wiring Diagram, without Smart Key System (3 of 4) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, without Smart Key System (3 of 4) for Lexus IS 250 2009:

• A12
• A29
• A30
• Body ecu
• Computer data lines system
• D12
• Dome fuse 10a
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Foot lamp
• Gateway ecu (right end of dash)
• Gnd
• Haz
• Head lp relay
• Hot at all times
• J/c a29 & j10 (left kick panel) a29
• J/c l11 (front passenger's door)
• J/c m14 (driver's door)
• J/c p24 & p25 (right side of trunk)
• J/c q33 & q34 (left rear wheelwell)
• J1 (left kick panel)
• J10
• J2 (under center console)
• L14
• Lcty
• Left cowl side j/b (left end of dash)
• Left outer rear view mirror
• Lgcy
• Lkul
• Luggage compt door lock cylinder
• M15
• Main fuse 30a
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx1
• Mpx2
• P24
• P25
• Q2 (left side of trunk)
• Q33
• Q34
• Right outer rear view mirror
• Sgnd
• Turn signal flasher (left side of dash)
• W/ memory
• W/o memory
• W/o navigation system

Anti-theft Wiring Diagram, without Smart Key System (4 of 4) for Lexus IS 250 2009

List of elements for Anti-theft Wiring Diagram, without Smart Key System (4 of 4) for Lexus IS 250 2009:

• (right side of trunk) certification ecu
• A2 (left rear of engine compt)
• Ant
• Asel
• B1 (right front of engine compt)
• Computer data lines system
• Data
• Door control receiver (right rear of vehicle)
• Electrical key antenna (right rear of trunk)
• Engine hood courtesy switch (center front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Front controller
• Gnd
• Horn (high) (front of radiator)
• Horn (low) (front of radiator)
• Horn fuse 10a
• Horn relay
• Hot at all times
• Mpx1
• Mpx2
• P2 (right rear of vehicle)
• Rc0
• Rda
• Red
• Rssi

BODY CONTROL MODULES

Body ECU Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Body ECU Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (or pnk)
• (right side of trunk) certification ecu
• A/t
• A11
• A12
• A14
• A15
• A2 red
• A20
• A24
• A36
• Acan
• Acc
• Acc fuse 7.5a
• Act+
• Act-
• Actd
• Air bag sensor assembly center (under center console)
• Altb
• Anti-lock brakes system
• Anti-theft system
• Batb
• Becu
• Body ecu (right end of dash)
• Bzr
• Cltb
• Clte
• Clts
• D17
• D27
• Data link connector 3 (left side of dash)
• Dcty
• Dcyl
• Dia
• Door locks system
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• Fr door rh fuse 20a
• Fspt
• Gateway ecu (right end of dash)
• Gnd1
• Gnd2
• Gsw
• Haz
• Hdlo
• Head
• Headlights system
• Horns system
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Hrly
• Ind
• Instrument cluster system
• Interior lights system
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J/c p24 & p25 (right side of trunk)
• J10
• J21
• J4 (right kick panel)
• J47
• J74
• J75
• L10
• Lcty
• Lgcy
• Lswl
• Lswp
• Lswr
• M/t
• Memory systems
• Mirb
• Mire
• Mirs
• Mpd1
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Navigation system
• Obd2
• Occupant classification ecu (under front passenger's seat)
• P24
• P25
• Parking brake switch (left side of dash)
• Pcty
• Pcyl
• Pkb
• Pnk
• Pwr
• Pws
• Rcty
• Red
• Ret
• Right cowl side j/b (right end of dash)
• Right front seat inner belt (under front passenger's seat)
• Right front seat position control ecu & switch (under front passenger's seat)
• Right outer mirror control ecu (right front door)
• Sil
• Snow
• Ti & te fuse 20a
• Tilt & telescopic ecu (if equipped) (on steering column)
• Tkul
• To j/c j27 (diagram 2 of 2)
• Tr+
• Transmissions system
• Trly
• Trunk, tailgate, fuel doors system
• Tsw
• Ul1
• Ul2
• W/ memory
• W/ occupant classification system
• W/ power seat
• W/o power seat
• Wiper/washer system

Body ECU Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Body ECU Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• A15
• A16
• A19
• A30
• Back
• Bdcy
• Bkup
• Body ecu (left end of dash)
• D18
• Engine room j/b 2 (left side of engine compt)
• Exterior lights system
• Fr wip fuse 30a
• From right cowl side j/b (diagram 1 of 2)
• Front controller
• Gnd
• Hot in run or start
• Ile
• Ile1
• Instrument cluster system
• Interior lights system
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J2 (under center console)
• J23
• Lcty
• Left cowl side j/b (left end of dash)
• Lgcy
• Lh-ig fuse 10a
• Lkul
• Lpsw
• Mpx1
• Mpx2
• Mpxb
• Navigation system
• Op02
• Pnk
• Power window master switch
• Power windows system
• Rcty
• Red
• S/m
• S/s
• Sgnd
• Trunk, tailgate, fuel doors system
• Wig
• Wiper/washer system

Front Controller Wiring Diagram for Lexus IS 250 2009

List of elements for Front Controller Wiring Diagram for Lexus IS 250 2009:

• (hid type)
• (w/ drl)
• (w/o drl)
• A2 (left rear of engine compt)
• Computer data lines system
• D15
• D18
• Ecu-ig lh fuse 10a
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• Fr tail fuse 10a
• Front controller
• G10
• G11
• G12
• G13
• H-lp upr fuse 15a 20a
• Head hi relay
• Headlights system
• Hid type
• Horn fuse 10a
• Horn relay
• Horns system
• Hot at all times
• Hot in on or start
• Instrument cluster system
• Interior lights system
• J/c j27 (left side of dash)
• J/c q7 & u1 (under driver's seat)
• Left cowl side j/b (left end of dash)
• Left front seat position control ecu & switch (w/ memory) (under driver's seat)
• Left outer mirror control ecu (left front door)
• M10
• Mpx
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Overhead j/b (front center of roof)
• Power source control ecu (right side of dash)
• Right cowl side j/b (right end of dash)
• W/ auto wiper
• W/ drl
• W/ memory
• W/o drl
• Wiper/washer system

Integration Control and Panel Wiring Diagram for Lexus IS 250 2009

List of elements for Integration Control and Panel Wiring Diagram for Lexus IS 250 2009:

• A24
• Acc
• Anti-theft system
• D12
• D14
• Ecu ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• Hot at all times
• Hot in on or start
• Ig+
• Ill+
• Ill-
• Instrument cluster system
• Integration control & panel assembly
• Interior lights system
• J/c j27 (left side of dash)
• J1 (left kick panel)
• Left cowl side j/b (left end of dash)
• Mpx-b fuse 10a
• Pbew
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Seuc
• Sound systems
• Tx+
• Tx-

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus IS 250 2009

List of elements for Data Link Connector Wiring Diagram for Lexus IS 250 2009:

• 4wd control ecu (if equipped) (right kick panel)
• A10
• A14
• Air bag sensor assembly center (under center console)
• Bat
• Body ecu
• Canh
• Canl
• Combination meter
• D10
• D11
• D28
• Data link connector 3 (left side of dash)
• Dia
• E1 (left rear of engine compt)
• Engine control module (left front of engine compt)
• Free
• Gateway ecu (right end of dash)
• High/low bus circuit
• Hot at all times
• J/c a10 & e1 (e1: left side of engine compt)
• J/c j10 (left kick panel)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c j80 (right kick panel)
• J1 (left kick panel)
• J34
• J47
• J50
• J74
• J80
• L10
• Left cowl side j/b (left end of dash)
• Multi-display (w/ navigation)
• Obd fuse 7.5a
• Obd2
• Occupant classification ecu (under front passenger's seat)
• Opa
• Red
• Right cowl side j/b (right end of dash)
• Right front seat inner belt (under front passenger's seat)
• Sil
• Skid control ecu w/ actuator (left rear of engine compt)
• Tac
• W/ occupant classification system
• W/ power seat
• W/o power seat

High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 250 2009

List of elements for High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 250 2009:

• (right kick panel) j4
• A/c amplifier (center of dash)
• A20
• A24
• A29
• Acc
• Acc fuse 7.5a
• Batt
• Body ecu
• Ca1h
• Ca1l
• Canh
• Canl
• Clearance warning ecu (w/ parking assist) (left side of trunk)
• Combination meter
• D12
• D14
• D27
• Data link connector 3 (left side of dash)
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Gateway ecu (right end of dash)
• Gnd
• Gtx+
• Gtx-
• Headlamp swivel ecu (left kick panel)
• Hot at all times
• Hot w/ acc relay energized
• Input circuit
• J/c a29 & j10 (left kick panel)
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J/c p24 & p25 (right side of trunk)
• J1 (left kick panel)
• J10
• J21
• J34
• J58
• J75
• Left cowl side j/b (left end of dash)
• Micro computer
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• P24
• P25
• Pnk
• Red
• Rh- ig 1 relay
• Right cowl side j/b (right end of dash)
• Sil
• Tire pressure warning ecu (center of dash)
• W/ adaptive front-lighting
• W/ tire pressure warning system
• W/o adaptive front-lighting
• W/o tire pressure warning system

High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250 2009

List of elements for High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250 2009:

• (on steering column) (if equipped) tilt & telescopic ecu
• (right front door) (w/ memory) right outer mirror control ecu
• (right side of dash) power source control ecu
• (right side of trunk) certification ecu
• (w/ memory) right front seat position control ecu & switch
• 4wd control ecu (if equipped) (right kick panel)
• A31
• Canh
• Canl
• Ig1d
• J/c j1, j2, j3, j4, j5, j6, j7, j8 & j9 (left kick panel)
• J/c j81, j82, j84 & j86 (right kick panel)
• J26
• J81
• J82
• J84
• J86
• L10
• Mpx1
• Mpx2
• Pnk
• Power steering ecu (right rear of engine compt)
• Power window master switch
• Red
• Windshield wiper switch assembly

High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250 2009

List of elements for High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250 2009:

• (left front door) (w/ memory) left outer mirror control ecu
• A30
• Air bag sensor assembly center (under center console)
• Atx+
• Atx-
• Body ecu
• Canh
• Canl
• D13
• D15
• Distance control ecu (w/ dynamic radar cruise control) (left side of dash)
• Engine control module (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Front controller
• Integration control & panel assembly (w/o navigation)
• J/c q7 & u1 (under driver's seat)
• J47
• J51
• J63
• J65
• J66
• Left cowl side j/b (left end of dash)
• Left front seat position control ecu & switch (w/ memory)
• Lh-ig2 relay
• M10
• Mpx
• Mpx1
• Mpx2
• Multi- display
• Multi-media module navigation assembly
• Overhead j/b (front center of roof)
• P30
• Pnk
• Q59
• Radio receiver assembly
• Rain sensor (w/ auto wiper)
• Red
• Seat belt control ecu (w/ pre-collision system) (left side of trunk)
• Skid control ecu w/ actuator (left rear of engine compt)
• Sliding roof control ecu (if equipped) (center front of roof)
• Steering sensor (on steering column)
• Stereo component amplifier (right side of trunk)
• Tx+
• Tx-
• Tx2+
• Tx2-
• Tx3+
• Tx3-
• Tx4+
• Tx4-
• Txm+
• Txm-
• W/ navigation
• W/o navigation
• Yaw rate sensor (under center console)

COOLING FAN

Cooling Fan Wiring Diagram for Lexus IS 250 2009

List of elements for Cooling Fan Wiring Diagram for Lexus IS 250 2009:

• (left side of engine compt) engine room r/b 2
• 2.5l
• 3.5l
• A/c amplifier (center of dash)
• A/c pressure sensor (left side of radiator)
• A/c pressure sensor (low) (m/t) (left rear of engine compt)
• A3 (left rear of engine compt)
• B2 (left front of engine compt)
• Ca1h
• Ca1l
• Can h
• Can l
• Computer data lines system
• Cooling fan motor 1 (left front of engine compt)
• Cooling fan motor 2 (right front of engine compt)
• Crankshaft position sensor (left front of engine)
• Cut+
• D12
• D13
• E1 (left rear of engine)
• Engine control module (left front of engine compt)
• Engine coolant temperature sensor (rear of engine)
• Engine room j/b 1 (right rear of engine compt)
• Ethw
• Fan
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Fan1 fuse 40a
• Fan2
• Fan2 fuse 40a
• Gateway ecu (right end of dash)
• Hot at all times
• Ig1d
• J/c a7 & a8
• J/c e1 (left side of engine compt)
• J/c j2 & j7 (left kick panel) j2
• J/c j81 & j84 (right kick panel) j81
• J1 (left kick panel)
• J84
• Left cowl side j/b (left end of dash)
• Lh ig1 relay
• Lh-ig fuse 10a
• Mpi1
• Mpx+
• Mpx-
• Nca
• Ne+
• Ne-
• Pnk
• Power source control ecu (right side of dash)
• Pre
• Psw
• Red
• Right cowl side j/b (right end of dash)
• S5-2
• S5-3
• Sg-2
• Sg-3
• Thw

CRUISE CONTROL

Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 250 2009

List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 250 2009:

• +b1
• +res
• -set
• A10
• A2 (left rear of engine compt)
• A24
• A25
• Accelerator position sensor (left side of dash)
• Anti-lock brakes system
• Batt
• Cancel
• Canh
• Canl
• Cchg
• Ccs
• Computer data lines system
• Control steering right distance
• Cruise switch
• D12
• D13
• E1 (left rear of engine)
• Efi fuse 25a
• Efi main relay
• Engine control module (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Epa
• Epa2
• Gauge fuse 7.5a
• Hot at all times
• Hot w/ ig2 relay energized
• Ig1d
• Ign fuse 10a
• Igsw
• J/c a10 & e1 (e1: left side of engine compt)
• J/c a29 (left kick panel)
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J24
• J4 (right kick panel)
• Lgnd
• Mode
• Mrel
• On/off
• Pad switch
• Paddle shift switch
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig fuse 7.5a
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Right paddle shift switch
• Sftd
• Sftu
• Shift switch left paddle
• Spd
• Spiral cable (under steering wheel)
• St1-
• Steering pad switch
• Stop lamp switch (left side of dash)
• Stp
• Vcp2
• Vcpa
• Vpa
• Vpa2

Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 250 2009

List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 250 2009:

• (left front of engine compt) engine control module
• +bm
• A10
• A33
• Combination meter
• Computer data lines system
• Cruise ind
• D12
• D13
• D29
• E01
• E02
• E03
• E1 (left rear of engine)
• E2 (right rear of engine)
• Ecu-ig lh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Etcs fuse 10a
• Ge01
• Hot at all times
• Ig+
• Ig2 or dome +b
• Input circuit
• J/c a10 & e1 (e1: left side of engine compt)
• J/c a33 & j80 (right kick panel)
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J2 (under center console)
• J34
• J80
• Left cowl side j/b (left end of dash)
• Lh-ig fuse 10a
• Lh-ig1 relay
• Lh-ig2 relay
• Me01
• Micro computer
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Nca
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Speedometer
• Throttle body assembly
• Transmission control switch
• Vc2
• Vta1
• Vta2

Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 250 2009

List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 250 2009:

• (left front wheel hub assembly)
• (left rear of engine compt) skid control ecu w/ actuator
• (left rear of engine) e1
• (left side of engine compt) j/c e1
• (right rear wheel hub assembly)
• A10
• Ca1h
• Ca1l
• Canh
• Canl
• Computer data lines system
• Distance control ecu (left side of dash)
• E1 (left rear of engine compt)
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (left front of engine compt)
• Eoil
• Fl+
• Fl-
• Fr+
• Fr-
• Gateway ecu (right end of dash)
• Grd
• Igb
• J/c a10 & e1 (e1: left side of engine compt)
• J/c e49 (left side of engine compt)
• Left front speed sensor
• Left rear speed sensor (left rear wheel hub assembly)
• Lgnd
• Lrdd
• Lrrd
• Millimeter wave radar sensor (front of vehicle)
• Mode
• Mpi1
• Mpi2
• Oil
• Park/neutral position switch (on transmission)
• Pnk
• Red
• Right front speed sensor (right front wheel hub assembly)
• Right rear speed sensor
• Rl+
• Rl-
• Rr+
• Rr-
• Sgnd
• Sgrd
• Sl1+
• Sl1+ red
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1

Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 250 2009

List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 250 2009:

• (e1: left side of engine compt) j/c a10 & e1
• (left kick panel) j/c a29
• +b1
• +res
• -set
• A10
• A2 (left rear of engine compt)
• A24
• A25
• Accelerator position sensor (left side of dash)
• Batt
• Cancel
• Canh
• Canl
• Ccs
• Clsw
• Computer data lines system
• Cruise control switch
• D12
• D13
• E1 (left rear of engine)
• Efi fuse 25a
• Efi main relay
• Engine control module (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Epa
• Epa2
• Gauge fuse 7.5a
• Hot at all times
• Hot w/ ig2 relay energized
• Ig1d
• Ign fuse 10a
• Igsw
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J24
• J4 (right kick panel)
• Left paddle shift switch
• Mrel
• On/off
• Paddle shift switch (a/t)
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig fuse 7.5a
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Right paddle shift switch
• Sftd
• Sftu
• Spd
• Spiral cable (under steering wheel)
• St1-
• Steering pad switch
• Stop lamp switch (left side of dash)
• Stop sw fuse 7.5a
• Stp
• Transmission control switch (a/t)
• Vcp2
• Vcpa
• Vpa
• Vpa2

Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 250 2009

List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 250 2009:

• +bm
• A10
• A33
• Combination meter
• Computer data lines system
• Cruise control clutch switch (m/t) (left side of dash)
• Cruise ind
• D12
• D13
• E01
• E02
• E03
• E1 (left rear of engine)
• E2 (right rear of engine)
• Engine control module (left front of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Etcs fuse 10a
• Ge01
• Hot at all times
• Ig+
• Ig2 or dome +b
• Input circuit
• J/c a10 & e1 (e1: left side of engine compt)
• J/c a33 & j80 (right kick panel)
• J/c a7 & a8
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J2 (under center console)
• J34
• J80
• Left cowl side j/b (left end of dash)
• Lh-ig fuse 10a
• Lh-ig1 relay
• Me01
• Micro computer
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Nca
• Pnk
• Right cowl side j/b (right end of dash)
• Speedometer
• Throttle body assembly
• Vc2
• Vta1
• Vta2

Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 250 2009

List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 250 2009:

• (left front wheel hub assembly) left front speed sensor
• (left rear of engine) e1
• (left rear wheel hub assembly) left rear speed sensor
• (left side of engine compt) j/c e1
• (right front wheel hub assembly)
• (right rear wheel hub assembly)
• Ca1h
• Ca1l
• Canh
• Canl
• Computer data lines system
• Electronically controlled transmission solenoid (a/t) (on transmission)
• Engine control module (left front of engine compt)
• Eoil
• Fl+
• Fl-
• Fr+
• Fr-
• Gateway ecu (right end of dash)
• J/c e49 (left side of engine compt)
• Mpi1
• Mpi2
• Oil
• Park/neutral position switch (a/t) (on transmission)
• Pnk
• Red
• Right front speed sensor
• Right rear speed sensor
• Rl+
• Rl-
• Rr+
• Rr-
• Skid control ecu w/ actuator (left rear of engine compt)
• Sl1+
• Sl1+ red
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1

DEFOGGERS

Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250 2009

List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250 2009:

• A/c amplifier (center of dash)
• A/c fuse 7.5a
• A11
• A27
• D12
• D13
• D29
• Defog fuse 50a
• Defog relay
• Ecu-ig lh fuse 10a
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Gnd
• Hot at all times
• Ig1d
• J/c j70 (right side of dash)
• J/c q33 & q34 (left rear wheelwell)
• J1 (left kick panel)
• J10
• J28
• J4 (right kick panel)
• J58
• J80 j/c a33 & j80 (right kick panel) a33
• L14
• Left cowl side j/b (left end of dash)
• Left outer rear view mirror
• Lh- ig 1 relay
• Lh- ig 2 relay
• Lh-ig fuse 10a
• M15
• Mhtr
• Mir htr fuse 15a
• Mirror heater
• Mirror heater relay (left rear of vehicle)
• Noise filter
• P1 (right side of crossmember)
• P19
• P2 (right rear of vehicle)
• Pnk
• Power source control ecu (right side of dash)
• Q1 (left "b" pillar)
• Q21
• Q33
• Q34
• Rdfg
• Rear window defogger
• Right cowl side j/b (right end of dash)
• Right outer rear view mirror
• W/ memory
• W/o memory

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Lexus IS 250 2009

List of elements for Electronic Power Steering Wiring Diagram for Lexus IS 250 2009:

• A10
• A24
• A25
• A27
• A31
• A5 (right rear of engine compt)
• Bat
• C1 (front of engine)
• Ca1h
• Ca1l
• Canh
• Canl
• Combination meter
• Computer data lines system
• Computer micro
• Crankshaft position sensor (left front of engine)
• D12
• D14
• E1 (left rear of engine)
• Ecu-ig lh fuse 10a
• Ecu-ig rh fuse 10a
• Engine control module (left front of engine compt)
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Eps fuse 80a
• Ess
• Gateway ecu (right end of dash)
• Gauge fuse 7.5a
• Headlamp swivel ecu (left kick panel)
• Hot at all times
• Hot in on or start
• Incs
• Input circuit
• Insn
• J/c e1 (left side of engine compt)
• J/c j27 (left side of dash)
• J2 (under center console)
• J34
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Mpi1
• Mpi2
• Mpx-b fuse 10a
• Nca
• Ne+
• Ne-
• Oucs
• Ousn
• P/s ind
• Pgnd
• Pig
• Pnk
• Power steering ecu (right rear of engine compt)
• Power steering motor (lower front of engine compt)
• Power steering torque sensor (left front of engine)
• Red
• Right cowl side j/b (right end of dash)
• Rzcs
• Rzg
• Rzsn
• Rzv
• Skid control ecu w/ actuator (left rear of engine compt)
• Srzg
• Ss+
• Ss-
• Ss1+
• Ss1-
• Steering sensor (on steering column)
• Tqg1
• Tqg2
• Trqv

Power Tilt Steering Column Wiring Diagram for Lexus IS 250 2009

List of elements for Power Tilt Steering Column Wiring Diagram for Lexus IS 250 2009:

• A15
• A18
• A24
• Computer data lines system
• D12
• D14
• Down
• Ecu-ig rh fuse 10a
• Ecub
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Headlamp dimmer switch assembly
• Hot at all times
• Hot in on or start
• J2 (under center console)
• J26
• J4 (right kick panel)
• Junction connector j27 (left side of dash)
• Left cowl side j/b (left end of dash)
• Long
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Msw
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Short
• Switch tilt & telescopic
• Telescopic motor
• Telescopic sensor
• Tem+
• Tem-
• Tes
• Ti & te fuse 20a
• Tilt & telescopic ecu (on steering column)
• Tilt motor (at steering column)
• Tim+
• Tim-
• Tis
• Vce
• Vci
• Windshield wiper switch assembly

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 2009:

• (left center of front bumper fascia) ambient temperature sensor
• (left side of engine compt) engine room j/b 2
• (or pnk)
• +b1
• 2wd
• 4wd
• Accelerator position sensor (left side of dash)
• Accr
• Acmg
• Air conditioning system
• Batt
• C/opn relay
• Canh
• Canl
• Cchg
• Ccs
• Clsw
• Computer data lines system
• Cooling fans system
• Cruise control system
• Ctsw
• Efi 2 relay
• Efi fuse 25a
• Efi main relay
• Efii
• Efio
• Engine control module (left front of engine compt)
• Epa
• Epa2
• F/pmp fuse 25a
• Fan
• Fan2
• Fpr
• Heated oxygen sensor (bank 1 sensor 2) (right side exhaust system)
• Heated oxygen sensor (bank 2 sensor 2) (left side exhaust system)
• Hot at all times
• Ht1b
• Ht2b
• Id code box (center of dash)
• Igsw
• Imi
• Imo
• Irel
• Ksw
• Mpmp
• Mrel
• Nca
• O1b-
• O2b-
• Ox1b
• Ox2b
• Pnk
• Power source control ecu (right side of dash)
• Ppmp
• Red
• Sftd
• Sftu
• Sksw
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Stsw
• Tach
• Tam
• Usa
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp

2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250 2009:

• (forward of left rear wheel) fuel suction pump & gauge assembly
• (left kick panel) j/c a29 & j10
• (left side of engine compt) engine room r/b 2
• (right side of engine compt) fuel pump resistor
• 2wd
• 4wd
• A2 (left rear of engine compt)
• A29
• Canister pressure sensor
• Canister pump assembly (rear of vehicle)
• Efi 2 fuse 10a
• Etcs fuse 10a
• F/pmp relay
• Hot at all times
• Hot w/ ig 2 relay energized
• Ig2 fuse 10a
• Instrument cluster system
• J/c a7 & a8
• J/c a9 (left side of engine compt)
• J10
• Leak detection pump
• Nca
• Pnk
• Pump
• Q1 (left "b" pillar)
• Stop lamp switch (left side of dash)
• Valve vent
• Vvl+
• Vvl-
• Vvr+
• Vvr-
• Vvt sensor (bank 1 intake side) (right front of engine)
• Vvt sensor (bank 2 intake side) (front of left cylinder head)

2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250 2009:

• (right end of dash) right cowl side j/b
• +bm
• A10
• A24
• A25
• Air conditioning system
• Camshaft timing oil control valve (right exhaust) (right cylinder head)
• Camshaft timing oil control valve (right intake) (right cylinder head)
• Crankshaft position sensor (left front of engine)
• D13
• E03
• E2 (right rear of engine)
• Engine control module (left front of engine compt)
• Gauge fuse 7.5a
• Ge01
• Hot at all times
• Hot w/ ig 2 relay energized
• Hot w/ rh-ig1 relay energized
• Ign fuse 10a
• Igt2
• Igt5
• Igt6
• J/c j70 (right side of dash)
• J2 (under center console)
• J4 (right kick panel)
• Lck1
• Me01
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oe1+
• Oe1-
• Pnk
• Prg
• Red
• Rh-ig fuse 7.5a
• Sftd
• Sftu
• Stj1
• Stop sw fuse 7.5a
• Transmission control switch
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250 2009:

• (a/t)
• (left side of dash) j/c j27
• (m/t)
• A/t
• A10
• Body ecu (right & left ends of dash)
• Combination meter
• Computer data lines system
• Cruise control system
• Dome fuse 10a
• E1 (left rear of engine)
• Ect power ind
• Ect snow ind
• Efi
• Electronically controlled transmission pattern select switch
• Engine oil level sensor (near bottom of engine)
• Engine room r/b 1 (right rear of engine compt)
• Etcs snow ind
• Etcs snow switch
• Hot at all times
• Ig+
• Ig2 or dome +b
• Input circuit
• Interior lights system
• J/c a10 & e1 (j/c e1: left side of engine compt)
• J/c j10 & a29 (left kick panel)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J10
• J21
• J34
• J35
• J75
• Lamp indicator malfunction
• Left cowl side j/b (left end of dash)
• M/t
• Master ind
• Micro computer
• Micro computer (sub)
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Multi information display
• Nca
• Pnk
• Pwr
• Red
• Right cowl side j/b (right end of dash)
• Snow
• Snow etcs
• Speedometer
• Tachometer

2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250 2009:

• (rear of engine) engine coolant temperature sensor
• A/f fuse 15a
• A/f relay
• E2 (right rear of engine)
• Engine room r/b 2 & engine room j/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Igf1
• Igf2
• Ignition coil 1 (top of engine)
• Ignition coil 2 (top of engine)
• Ignition coil 3 (top of engine)
• Ignition coil 4 (top of engine)
• Ignition coil 5 (top of engine)
• Ignition coil 6 (top of engine)
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Inj fuse 20a
• Inj relay
• Nca
• Noise filter (ignition left) (left side of engine)
• Noise filter (ignition right) (right side of engine)
• Pnk
• Red
• Throttle body assembly

2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 2009:

• (front of engine compt) injector driver (edu)
• (front of engine) h1
• (front of engine) i1
• (fuel injectors 1, 3 & 5: right side of engine) (fuel injectors 2 & 4: left side of engine) fuel injectors (direct injection)
• (right rear of engine compt) spill control valve
• +b2
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (right rear of engine)
• Air fuel ratio sensor (bank 2 sensor 1) (left rear of engine)
• E26
• E58
• Fp+
• Fp-
• Fpd
• Fpf1
• Fuel pressure sensor (rear of engine)
• Ha1a
• Ha2a
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Injf
• Knock control sensor 1 (top right side of engine)
• Knock control sensor 2 (top left side of engine)
• Nca
• Pnk
• Red
• Swirl control valve actuator (rear of engine)

2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250 2009:

• (left rear of engine) cold start fuel injector
• (on transmission) park/neutral position switch
• A1a+
• A1a-
• A2a+
• A2a-
• E1 (left rear of engine)
• E2 (right rear of engine)
• E2x
• Engine control module (left front of engine compt)
• Eo4
• Eo5
• Ev2+
• Ev2-
• Ex+
• Ex-
• Fpd
• Fpf1
• Ha1a
• Ha2a
• Hot w/ lh-ig1 relay energized
• Ia1+
• Ia1-
• Iac1
• Injf
• Left cowl side j/b (left end of dash)
• Lh-ig fuse 10a
• Pnk
• Red
• Swirl control valve sensor (rear of engine)
• Vc2
• Vcx
• Vsx
• Vvt sensor (bank 2 exhaust side) (left rear of engine)

2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250 2009

List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250 2009:

• (left cylinder head) camshaft timing oil control valve (left exhaust)
• (left cylinder head) camshaft timing oil control valve (left intake)
• (left side of engine compt) j/c e49
• (left side of engine) vsv (acis)
• (rear of engine) vsv (purge)
• (right rear of engine) vvt sensor (bank 1 exhaust side)
• (right side of engine compt) mass air flow meter
• Acis
• Alt
• E01
• E02
• E2g
• Ekn2
• Eknk
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (left front of engine compt)
• Engine oil pressure switch (front of engine)
• Eoil
• Ev1+
• Ev1-
• Ex+
• Ex-
• Igf1
• Igf2
• Igt1
• Igt3
• Igt4
• Knk1
• Knk2
• Mol
• Mops
• Nt+
• Nt-
• Oc2+
• Oc2-
• Oe2+
• Oe2-
• Oil
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Star
• Starting/ charging system
• Tha
• Thw
• Transmission revolution sensor (counter gear) (rear of transmission)
• Transmission revolution sensor (turbine) (front of transmission)
• Vc2

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Lexus IS 250 2009

List of elements for Backup Lamps Wiring Diagram for Lexus IS 250 2009:

• (2.5l)
• (3.5l)
• A/t
• A24
• Backup lamp switch (right side of transmission)
• Backup light
• Bkup
• Body ecu
• D18
• E49
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Hot at all times
• Hot in on or start
• J/c e2 & e49 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c q33 & q34 (left rear wheelwell)
• J1 (left kick panel)
• J23
• Left cowl side j/b (left end of dash)
• Left rear combination lamp
• Lh-ig fuse 10a
• M/t
• Mpx-b fuse 10a
• Mpxb
• Park/ neutral position switch (on trans- mission)
• Q2 (left side of trunk)
• Q33
• Q34
• Q40
• Q46
• Right cowl side j/b (right end of dash)
• Right rear combination lamp
• Sgnd

Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 250 2009

List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 250 2009:

• (right kick panel) j4
• +ig
• A/c amplifier (center of dash)
• A10
• A15 pnk
• A24
• A25
• A29
• A30
• Auto
• Body ecu
• Certification ecu (right side of trunk)
• Clock assembly (w/ navigation) integration control & panel assembly (w/o navigation)
• Combination meter
• D14
• D18
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Gateway ecu (right end of dash)
• Gauge fuse 7.5a
• Gnd
• Head
• Headlamp dimmer switch assembly
• Headlamp swivel ecu (left kick panel)
• Hot at all times
• Hot in on or start
• Ig2 or dome+b
• Input circuit
• J/c a29 & j10 (left kick panel)
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J1 (left kick panel)
• J10
• J26
• J34
• J35
• Left cowl side j/b (left end of dash)
• Lh turn ind
• Lh- ig fuse 10a
• Light control switch
• Micro computer
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx- b fuse 10a
• Mpx1
• Mpx2
• Off
• Power source control ecu (right side of dash)
• Power window master switch
• Red
• Rh turn ind
• Right cowl side j/b (right end of dash)
• Switch hazard
• Tail
• Tail ind (except usa)
• Tire pressure warning ecu (center of dash)
• Turn switch
• W/ adaptive front-lighting system
• W/ navigation
• W/ tire pressure warning system
• W/o adaptive front-lighting system
• W/o navigation
• W/o tire pressure warning system
• Windshield wiper switch assembly

Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 250 2009

List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 250 2009:

• (left "b" pillar) q1
• (left front of engine compt) b2
• (right front of engine compt) b1
• A12
• A17
• A18
• A2 (left rear of engine compt)
• A20
• A26
• Acc
• Acc fuse 7.5a
• Altb
• Automatic light control sensor (left side of dash)
• Batb
• Becu
• Body ecu
• Cltb
• Clte
• Clts
• Dcty
• Ecu-ig rh fuse 10a
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Fr door rh fuse 20a
• Fr tail fuse 10a
• Fr tail relay
• Front controller
• G10
• G11
• Gnd1
• Haz
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Interior lights system
• J/c j27 (left side of dash)
• J/c p24 & p25 (right side of trunk)
• J1 (left kick panel)
• J14
• J17 red
• J4 (right kick panel)
• J74
• J75
• K4 red
• Lcty
• Left cowl side j/b (left end of dash)
• Left headlamp assembly
• Left outer mirror control ecu (left front door)
• Left outer rear view mirror
• Lh ecu-ig fuse 10a
• Lh-ig fuse 10a
• Light turn
• M10
• Marker
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• P24
• Parking
• Pcty
• Pnk
• Q1 (left "b" pillar)
• Rcty
• Red
• Red a13
• Right cowl side j/b (right end of dash)
• Right headlamp assembly
• Ti & te fuse 20a
• Trly
• Trn+
• Trni
• Turn
• Turn light
• Turn signal flasher (left side of dash)
• Turn- haz fuse 15a
• W/ seat position memory
• W/o seat position memory

Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 250 2009

List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 250 2009:

• (left kick panel) j1
• (left side of dash) stop lamp control relay
• A/t
• A29
• Backup
• Backup lamps circuit
• Brk- lp relay (a/t)
• Center stop lamp
• Door)
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Hot in on or start
• J/c a29 & j10 (left kick panel)
• J/c a7 & a8 (a/t)
• J/c j27 (left side of dash)
• J/c q33 & q34 (left rear wheelwell)
• J10
• J24
• L14
• Left cowl side j/b (left end of dash)
• Left license plate lamp
• Left rear combination lamp
• Lh j/b- am fuse 80a
• Lh- ig fuse 10a
• M/t
• Marker ind
• Noise filter (stop lamp) (left rear wheelwell)
• Out
• P1 (right side of crossmember)
• Pnk
• Q33
• Q34
• Q34 red
• Q40
• Q46
• Q50
• Q51
• Red
• Right cowl side j/b (right end of dash)
• Right license plate lamp
• Right outer mirror control ecu (right front l10
• Right outer rear view mirror
• Right rear combination lamp
• Skid control ecu w/ actuator (left rear of engine compt)
• Stop lamp switch (left side of dash)
• Stop sw fuse 7.5a
• Stop/tail ind
• Stp
• Stp1
• Stp2
• Stpo
• Tail fuse 10a
• Tail ind
• Tail relay
• Trn
• Trn+
• Trni
• Turn
• Turn light
• W/ seat position memory
• W/o seat position memory

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 250 2009:

• (if equipped) headlamp cleaner control relay
• (w/ adaptive front lighting) headlamp swivel ecu
• A/c compressor
• A/f relay
• A1 (left rear of engine compt)
• A2 (left rear of engine compt)
• A27
• A3 (left rear of engine compt)
• A31
• A4 (right rear of engine compt)
• A5 (right rear of engine compt)
• Blower motor
• Brake fluid level warning switch
• Brake pedal load sensing switch
• Efi 2 relay
• Efi main relay
• Engine control module
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fan 2 relay
• Front controller
• Ig2 relay
• Junction connector a15
• Junction connector a20 (left kick panel)
• Junction connector a9 (left side of engine compt)
• Power steering ecu
• Skid control ecu w/ actuator
• St cut relay
• Water level warning switch
• Windshield washer motor
• Windshield wiper motor
• Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 250 2009:

• (a/t) transmission control switch
• (w/ dynamic radar cruise control) distance control ecu
• (w/ dynamic radar cruise control) millimeter wave radar sensor
• A/c compressor
• A10
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Canister pump module
• Crankshaft position sensor shield
• Data link connector 3
• E1 (left rear of engine)
• E2 (right rear of engine)
• Engine control module
• Engine oil level sensor
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Inj relay shield
• J24
• Junction connector a10 & e1 (e1: left side of engine compt)
• Junction connector j70 (right side of dash)
• Knock control sensor shield
• Nca
• Spill control valve shield
• Spiral cable

Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 250 2009:

• (front center of roof) overhead j/b
• (w/ 4wd) 4wd control ecu
• (w/ navigation) multi- display
• A10
• Acc relay
• Air bag sensor assembly center
• Body ecu
• Cigarette lighter
• Combination meter
• D11
• D17
• Defog relay
• Engine room r/b 1 (right rear of engine compt)
• Id code box
• J34
• J4 (right kick panel)
• J47
• J50
• Junction connector j71 (right side of dash)
• Junction connector j80 (right kick panel)
• K10
• Left vanity lamp switch
• Luggage compartment door opener switch
• Luggage compartment door opener switch (main)
• Noise filter
• Noise filter (ghost buster)
• Power source control ecu
• Power switch
• Pwr point relay
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Right vanity lamp switch
• Starter relay
• Steering lock ecu
• Tilt motor (w/ tilt & power telescopic steering)
• To ground j2 (diagram 4 of 7)

Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 250 2009:

• (a/t) shift lock control ecu
• (if equipped) rear sunshade switch
• (if equipped) sliding roof control ecu
• (if equipped) tilt & telescopic ecu
• (w/ navigation) overhead j/b shield
• A/c amplifier
• A/t
• Air bag sensor assembly center
• Body ecu
• Cigarette lighter
• Clock assembly
• Combination meter
• Console box lamp
• D12
• Data link connector 3
• Electronically controlled transmission pattern select switch
• Etcs snow switch
• From right cowl side j/b (diagram 3 of 7)
• Gateway ecu
• Glove box lamp
• Integration control & panel assembly
• J1 (left kick panel)
• J2 (under center console)
• J26
• J34
• J47
• J58
• Junction connector j27 (left side of dash)
• Junction connector j70 (right side of dash)
• Left cowl side j/b (left end of dash)
• Lh-ig1 relay
• Lh-ig2 relay
• M/t
• Satellite switch
• Seat heater switch
• Steering lock ecu
• Steering sensor
• Stop lamp control relay
• Tire pressure warning ecu & receiver
• Traction control switch
• Turn signal flasher
• W/ navigation
• W/o navigation
• Windshield wiper switch assembly
• Yaw rate sensor

Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 250 2009:

• (if equipped) rear sunshade relay
• (w/ memory seat) left outer mirror control ecu
• (w/ parking assist) clearance warning ecu
• Center stop lamp
• Fuel lid opener motor
• Fuel suction pump & gauge assembly
• Junction connector q35 (left rear wheelwell)
• Junction connector q7 & u1 (under driver's seat)
• Junction connector u11 (under driver's seat)
• Left front door electrical key oscillator
• Left front door lock assembly
• Left front power window regulator motor
• Left front seat back climate control blower
• Left front seat cushion climate control blower
• Left front seat inner belt
• Left front seat inner belt assembly
• Left front seat lumbar support power seat switch
• Left front seat position control ecu & switch
• Left front seat power seat switch
• Left license plate lamp
• Left outer rear view mirror
• Left rear combination lamp
• Left rear door lock assembly
• Left rear power window regulator motor
• Left rear power window switch
• Left seat heater
• Luggage compartment door lock cylinder
• Luggage door lock assembly
• Luggage electrical key switch
• M10
• M15
• Outer mirror switch
• Power window master switch
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Q58
• Right rear combination lamp
• Seat belt control ecu
• W/ memory
• W/ memory seats
• W/ power seats
• W/o memory
• W/o memory seats
• W/o power seats

Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 250 2009:

• (if equipped) occupant classification ecu
• (w/ climate control seat right front seat back climate control blower
• (w/ climate control seat right front seat cushion climate control blower
• (w/ memory seats) right outer mirror control ecu
• (w/ memory)
• (w/ power seat) right front seat inner belt
• (w/ power seat) right front seat lumbar support control power seat switch
• (w/o power seat) right front seat inner belt assembly
• Certification ecu
• Door control receiver
• Door lock control switch
• Junction connector p26 (right side of trunk)
• Junction connector t11 (front passenger's seat)
• Junction connector t14 (under front passenger's seat)
• L1 (w/o memory)
• L10
• L14
• P1 (right side of crossmember)
• P19
• P2 (right rear of vehicle)
• Power outlet socket
• Rear window defogger
• Right front door electrical key oscillator
• Right front door lock assembly
• Right front power window regulator motor
• Right front power window switch
• Right front seat position control ecu & switch
• Right front seat power seat switch
• Right outer rear view mirror
• Right rear door lock assembly
• Right rear power window regulator motor
• Right rear power window switch
• Right seat heater
• W/ climate control seat
• W/ memory seats
• W/ occupant classification
• W/ power seats
• W/o climate control seat
• W/o memory seats
• W/o occupant classification

Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 250 2009

List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 250 2009:

• (3.5l) smog ventilation sensor
• B1 (right front of engine compt)
• B2 (left front of engine compt)
• C1 (front of engine)
• Cooling fan motor 1
• Engine hood courtesy switch
• Fuel injectors 1, 3 & 5 shield
• Fuel injectors 2, 4 & 6 shield
• H1 (front of engine)
• I1 (front of engine)
• J3 (under center console)
• J66
• Left front fog lamp
• Left headlamp assembly
• Nca
• P27
• P3 (right side of trunk)
• Power steering motor shield
• Radio receiver assembly
• Right front fog lamp
• Right headlamp assembly
• Stereo component amplifier
• Stereo jack adapter shield
• W/ hid type

HEADLIGHTS

Adaptive Front Lighting Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Adaptive Front Lighting Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• A2 (left rear of engine compt)
• A27
• A28
• A58
• Bl1+
• Bl1-
• Bl2+
• Bl2-
• Br1+
• Br1-
• Br2+
• Br2-
• Computer data lines system
• Flo
• Fro
• Front height control sensor (left front of engine compt)
• H-lp lvl fuse 7.5a
• Headlamp leveling motor
• Headlamp swivel ecu (left kick panel)
• Headlamp swivel motor
• Hot in on or start
• J/c a20 (left kick panel)
• J/c a9 (left side of engine compt)
• K10
• Left cowl side j/b (left end of dash)
• Left headlight assembly
• Ll1+
• Ll1-
• Ll2+
• Ll2-
• Lr1+
• Lr1-
• Lr2+
• Lr2-
• Motor
• Mpx1
• Mpx2
• Pnk
• Rear height control sensor (under rear of vehicle)
• Red
• Right headlight assembly
• Sbf
• Sbr
• Sensor
• Sgf
• Sgr
• Shb
• Shfl
• Shg
• Shrl
• Skid control ecu w/ actuator (left rear of engine compt)
• Smbl
• Smbr
• Smgl
• Smgr
• Sml
• Smr
• Spdl
• Spdr
• Ss+
• Ss-

Adaptive Front Lighting Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Adaptive Front Lighting Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• +ig
• A10
• Afs off ind
• Auto
• Body ecu
• Combination meter
• Computer data lines system
• Dimmer switch
• Engine room r/b 1 (right rear of engine compt)
• Flash
• Gauge fuse 7.5a
• Head
• Headlamp dimmer switch assembly
• High
• Hot at all times
• Hot in on or start
• Ig2 or dome +b
• Input circuit
• J/c j27 (left side of dash)
• J21
• J26
• J34
• J4 (right kick panel)
• J74
• J75
• Light control switch
• Low
• Micro computer
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Off
• Right cowl side j/b (right end of dash)
• Ssi+
• Ssi-
• Steering sensor (on steering column)
• Tail
• Windshield wiper switch assembly

Headlamps Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (right kick panel) j4
• +ig
• A10
• A11
• A24
• Acc
• Acc fuse 7.5a
• Altb
• Auto
• Automatic light control sensor (left side of dash)
• Batb
• Beam ind
• Becu
• Body ecu
• Cltb
• Clte
• Clts
• Combination meter
• Computer data lines system
• D12
• Dcty
• Dimmer switch
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Flash
• Fog switch
• Fr door rh fuse 20a
• Front fog ind
• Gauge fuse 7.5a
• Gnd1
• Head
• Head ind (usa)
• Headlamp dimmer switch assembly
• High
• Hot at all times
• Hot in acc
• Hot in on or start
• Hrly
• Ig2 or dome +b
• Input circuit
• Interior lights system
• J/c j27 (left side of dash)
• J2 (under center console)
• J21
• J26
• J34
• J4 (right kick panel)
• J74
• J75
• Lcty
• Left cowl side j/b (left end of dash)
• Light control switch
• Low
• Micro computer
• Mpx+
• Mpx-
• Mpx- b fuse 10a
• Mpx1
• Mpx2
• Off
• Pcty
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Tail
• Ti & te fuse 20a
• To front controller (diagram 2 0f 2)
• Windshield wiper switch assembly

Headlamps Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (left front of engine compt) b2
• (right front of engine compt) b1
• A2 (left rear of engine compt)
• A33
• D18
• Ecu-ig lh fuse 10a
• Engine room j/b 1 engine room r/b 1 (right rear of engine compt)
• Engine room j/b 2 & engine room r/b 2 (left side of engine compt)
• Fr fog fuse 15a
• Fr fog relay
• Fr tail fuse 10a
• From mpx-b fuse (diagram 1 of 2)
• Front controller
• H-lp l lwr fuse 15a
• H-lp r lwr fuse 15a
• H-lp upr fuse 15a
• Head lp relay
• High
• Hot at all times
• Hot in on or start
• J/c a33 & j80 (right kick panel)
• J80
• Left cowl side j/b (left end of dash)
• Left front fog lamp
• Left headlamp assembly
• Light control ecu
• Low
• Low (hid)
• Main fuse 30a
• Right front fog lamp
• Right headlamp assembly
• Solenoid
• W/ hid
• W/o hid
• Wiper/ washer system

HORN

Horn Wiring Diagram for Lexus IS 250 2009

List of elements for Horn Wiring Diagram for Lexus IS 250 2009:

• A2 (left rear of engine compt)
• Computer data lines system
• Engine room j/b 2 (left side of engine compt)
• Front controller
• Horn
• Horn (high) (front of radiator)
• Horn (low) (front of radiator)
• Horn fuse 10a
• Horn relay
• Horn switch
• Hot at all times
• J24
• Left cowl side j/b (left end of dash)
• Mpx1
• Mpx2
• Power source control ecu (right side of dash)
• Spiral cable (under steering wheel)
• Steering pad switch
• Windshield wiper switch assembly

INSTRUMENT CLUSTER

Clock Wiring Diagram for Lexus IS 250 2009

List of elements for Clock Wiring Diagram for Lexus IS 250 2009:

• A24
• Acan
• Acc
• Acc fuse 7.5a
• Acc relay
• Accd
• Body ecu
• Clock assembly (w/ navigation system)
• Combination meter
• D12
• D14
• D27
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• Hot at all times
• Ig+
• Ig1d
• Ill
• Ill+
• Ill-
• Integrated control & panel assembly (w/o navigation system)
• Interior lights system
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J35
• J4 (right kick panel)
• J75
• Left cowl side j/b (left end of dash)
• Mpx-b fuse 10a
• Pbew
• Pblt
• Pnk
• Power source control ecu (right side of dash)
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• W/ navigation system
• W/o navigation system

Instrument Cluster Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (a/t) (m/t)
• (except usa)
• (odo/trip) lcd
• (sequential) lcd
• (usa)
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A2 (left rear of engine compt)
• A20
• A21
• A22
• A23
• A24
• A25
• A29
• Abs ind
• Afs off ind
• B a12
• B a24
• B10
• B11
• B12
• B12 efi
• B13
• B14
• B15
• B16
• Beam ind
• Body computer
• Brake fluid level warning switch (brake fluid reservoir)
• Brake ind
• Charge ind
• Clearance sonar ind
• Clock circuit
• Combination meter
• Computer data lines system
• Computer micro
• Cruise ind
• D12
• Display multi info
• Dome fuse 10a
• Door ind
• Driver's seat belt ind
• Ect pwr ind
• Ect snow ind etcs snow ind
• Efi
• Engine controls system
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• Front fog ind
• Fuel
• Fuel end
• Gauge fuse 7.5a
• Head ind tail ind
• Hot at all times
• Hot w/ ig2 relay energized
• Ig+
• Ig2 or dome +b
• Ill+
• Ill-
• Input circuit
• Int
• Interior lights system
• J/c a20 (left kick panel)
• J/c a29 & j10 (left kick panel)
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J10
• J21
• J34
• J35
• J4 (right kick panel)
• L10
• Left cowl side j/b (left end of dash)
• Left turn ind
• Lsel
• Lsft
• Malfunction ind lamp
• Master ind
• Micro computer (sub)
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2 j75
• Mssl
• P/s ind
• P/sb
• Parking brake switch (a/t) (left side of dash)
• Parking brake switch (m/t) (left side of dash)
• Pblt
• Pcs ind
• Pkb
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Right turn ind
• Rsel
• Satellite switch
• Set
• Skid control ecu w/ actuator (left rear of engine compt)
• Slip ind
• Sp1
• Speed warning ind
• Speedometer
• Srs ind
• Sw+b
• Sw5v
• Tacho warning ind
• Tachometer
• Temperature
• Tire pressure ind
• Vsc off ind
• Warning systems

Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (left front of engine compt)
• 2.5l
• 3.5l
• A10
• A11
• A2 (left rear of engine compt)
• A29
• A30
• A33
• Acc
• Acc fuse 7.5a
• Body computer
• Body ecu
• Canh
• Canl
• Computer data lines system
• Data link connector 3 (left side of dash)
• Dcty
• Disp
• Door lock assembly (luggage)
• E1 (left rear of engine)
• Engine control module (left front of engine compt)
• Engine oil level sensor (bottom of engine)
• Engine oil pressure switch (front of engine)
• Engine room j/b 2 (left side of engine compt)
• Front controller
• Fuel sender gauge (sub) (in fuel tank)
• Fuel suction pump & gauge assembly (forward of left rear wheel)
• Gnd
• Hot in on or acc
• Hot w/ ig2 relay energized
• J/c a10 & e1 (e1: left side of engine compt)
• J/c a9 (left side of engine compt)
• J/c j10 & a29 (left kick panel)
• J/c j80 & a33 (right kick panel)
• J/c q36 (left rear whellwell)
• J10
• J21
• J24
• J3 (under center console)
• J50
• J63
• J66
• J75
• J80
• Lcty
• Left cowl side j/b (left end of dash)
• Left front door courtesy switch (left "b" pillar)
• Left rear door courtesy switch (left "c" pillar)
• Lgcy
• Lh ecu-ig fuse 10a
• Mol
• Mops
• Mpx1
• Mpx2
• Multi- display
• P30
• Pcty
• Pnk
• Power source control ecu (right side of dash)
• Q2 (left side of trunk)
• Radio receiver assembly
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Right steering pad switch
• Spd
• Spiral cable (under steering wheel)
• Steering pad switch
• Stereo component amplifier (right side of trunk)
• Swg
• Tac
• Tach
• Water level warning switch

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (if equipped)
• A11
• A12
• A19
• Am1
• Am2
• Am2 fuse 7.5a
• Bdcy
• Body ecu
• D11
• D17
• Dcty
• Dcyl
• Foot lamp
• Gnd1
• Gnd2
• Hot at all times
• Ile
• Ile1
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J/c l11 (front passenger's door)
• J/c m14 (driver's door)
• J/c p24 & p25 (right side of trunk)
• J/c q33 & q34 (left rear wheelwell)
• J/c q36 (left rear wheelwell)
• J2 (under center console)
• J4 (right kick panel)
• J75
• L12
• L14
• Lcty
• Left cowl side j/b (left end of dash)
• Left front door courtesy lamp
• Left front door courtesy switch (left "b" pillar)
• Left outer rear view mirror
• Left outer scuff lamp
• Left rear door courtesy switch (left "c" pillar)
• Lgcy
• Luggage compartment lamp diode (left side of trunk)
• Luggage door lock assembly
• Luggage room lamp
• M11
• M15
• Main body ecu
• Noise filter (luggage room lamp) (left rear wheelwell)
• P24
• P25
• Parking brake switch (m/t) (left side of dash)
• Pcty
• Pcyl
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Power switch
• Q2 (left side of trunk)
• Q33
• Q34
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Right front door courtesy lamp
• Right front door courtesy switch (right "b" pillar)
• Right outer rear view mirror
• Right outer scuff lamp
• Right rear door courtesy switch (right "c" pillar)
• Swil
• W/ memory
• W/ outer scuff lamp
• W/o memory

Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• A29
• Body ecu
• D11
• Dome fuse 10a
• Dome lamp
• Door
• Engine room r/b 1 (right rear of engine compt)
• Fspt
• Hot at all times
• J/c a29 & j10 (left kick panel)
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J10
• J4 (right kick panel)
• J75
• Left foot lamp
• Left front map lamp
• Left rear map lamp
• Left vanity lamp
• Left vanity lamp switch
• On/off
• Overhead j/b (front center of roof)
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Right foot lamp
• Right front map lamp
• Right rear map lamp
• Right vanity lamp
• Right vanity lamp switch
• Room lamp
• Shift illum- ination
• Ul2

Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (left side of dash) j/c j27
• A24
• Acc fuse 7.5a
• Auto
• Becu
• Center register illumination
• Cigar lighter
• Clock assembly
• Computer data lines system
• Console box lamp
• D12
• D17
• D20
• D27
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Glove box lamp
• Gnd
• Gnd1
• Gnd2
• Head
• Headlight dimmer switch assembly
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ill+
• Ill-
• Integration control & panel assembly
• J/c j27 (left side of dash)
• J2 (under center console)
• J26
• J3 (under center console)
• J4 (right kick panel)
• J63
• J66
• Left cowl side j/b (left end of dash)
• Light control switch
• M18
• M19
• Main body ecu
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Multi- display (w/ navi- gation)
• Off
• Outer mirror switch
• Panel fuse 7.5a
• Radio receiver assembly
• Right cowl side j/b (right end of dash)
• Right register illumination
• Satellite switch
• Swg
• Tail
• Tail relay
• Trly
• W/ navi- gation
• W/memory
• W/o memory
• W/o navi- gation
• Windshield wiper switch assembly

Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (left rear of engine compt)
• A/t
• A/t shift lever illumination (a/t)
• A10
• A25
• A29
• Combination meter
• Computer data lines system
• Electronically controlled transmission pattern select switch
• Engine controls system
• Engine room r/b 2 (left side of engine compt)
• Etcs snow switch
• Gauge fuse 7.5a
• Headlamp cleaner switch
• Hot at all times
• Ig 2 fuse 10a
• Ig 2 relay
• Ig+
• Ig2d
• Ill+
• Ill-
• J/c a29 & j10 (left kick panel)
• J/c a9 (left side of engine compt)
• J/c j70 (right side of dash)
• J10
• J24
• J34
• J35
• J4 (right kick panel)
• Left register illumination
• Left steering pad sw
• Light control rheostat
• Luggage compartment door opener switch
• M/t
• Mpx+
• Mpx-
• Pnk
• Power source control ecu (right side of dash)
• Rear sunshade switch (if equipped)
• Right cowl side j/b (right end of dash)
• Right steering pad sw
• Seat heater switch
• Spiral cable (under steering wheel)
• Steering pad switch
• Traction control switch

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (under driver's seat) j/c q7 & u1
• Ca1h
• Ca1l
• Canh
• Canl
• Computer data lines system
• D13
• D18
• Engine control module (left front of engine compt)
• Fr door lh fuse 20a
• Fr p/ seat lh fuse 30a
• Frv+
• Frv-
• Gateway ecu (right end of dash)
• Gnd
• Hot at all times
• J/c m14 (driver's door)
• J1 (left kick panel)
• J18
• J22
• J29
• Left cowl side j/b (left end of dash)
• Left position control ecu & switch (under driver's seat)
• Lft+
• Lft-
• Lh-ig 1 relay
• Lh-ig fuse 10a
• Mpd1
• Mpd2
• Mpx1
• Park/ neutral position switch (a/t) (on transmission)
• Pnk
• Power seat motor (left front seat front vertical control) (under driver's seat)
• Power seat motor (left front seat lumbar support control) (in driver's seat)
• Power seat motor (left front seat rear vertical control) (in driver's seat)
• Power seat motor (left front seat reclining control) (in driver's seat)
• Power seat motor (left front seat slide control) (in driver's seat)
• Power seat switch (front left seat lumbar support control)
• Q1 (left "b" pillar)
• Rcl+
• Rcl-
• Red
• Skid control ecu w/ actuator (left rear of engine compartment)
• Sld+
• Sld-
• Sysb

Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (left "b" pillar) q1
• A12
• A20
• A24
• Ant
• Asel
• Bdr
• Body computer
• Certification ecu (right side of trunk)
• Computer data lines system
• Cpub
• D12
• D14
• Data
• Dcty
• Door control receiver (right rear of vehicle)
• Ecu-ig rh fuse 10a
• Electrical key antenna (right rear of trunk)
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Hot at all times
• Ig1d
• J/c j27 (left side of dash)
• J/c q36 (left rear wheelwell)
• J21
• J4 (right kick panel)
• J75
• Left front door courtesy switch (left "b" pillar)
• Left seat memory switch
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mswe
• Outer mirror control ecu (left) (left front door)
• P2 (right rear of vehicle)
• Parking brake switch (m/t) (left side of dash)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Rco
• Rda
• Red
• Rh-ig 1 relay
• Right cowl side j/b (right end of dash)
• Rssi
• Set
• Sig
• Sil1
• Sile

Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (right side of crossmember)
• (right side of dash) power source control ecu
• A20
• A24
• Adjusting switch
• Ant
• Asel
• Bdr
• Body ecu
• Ca1h
• Ca1l
• Certification ecu (right side of trunk)
• Computer data lines system
• Cpub
• D12
• D14
• Data
• Door control receiver (right rear of vehicle)
• Down
• Ecu-ig rh fuse 10a
• Electrical key antenna (right rear of trunk)
• Engine room r/b 1 (right rear of engine compt)
• Fold away switch (w/ retractor)
• Fr door rh fuse 20a
• Gateway ecu (right end of dash)
• Gnd
• Hot at all times
• Hssr
• Ig1d
• J/c l11 (front passenger's door)
• J/c p24 (right side of trunk)
• J15
• J18
• J21
• J4 (right kick panel)
• J74
• J75
• L10
• Left
• Left/right motor
• Lt/up
• Mirb
• Mire
• Mirs
• Mpd1
• Mpd2
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mr+
• Mr-
• Msw
• Outer mirror control ecu (right) (right front door)
• Outer mirror switch
• P2 (right rear of vehicle)
• Pe2
• Pmhr
• Pmtr
• Pmvr
• Pnk
• Pvc
• Q1 (left "b" pillar)
• Rco
• Rda
• Red
• Ret
• Retractable motor
• Rh-ig 1 relay
• Right
• Right cowl side j/b (right end of dash)
• Right outer rear view mirror
• Rssi
• Rt/dn
• Select switch
• Sensor
• Sig
• Up/down motor
• Vssr

Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (left "b" pillar) q1
• A12
• Bdr
• Body ecu
• Canh
• Canl
• Computer data lines system
• Cpub
• D13
• D18
• Dcty
• Engine control module (left front of engine compt)
• Fr door lh fuse 20a
• Gnd
• Hot at all times
• Hssr
• J/c j27 (left side of dash)
• J/c m14 (driver's door)
• J/c q36 (left rear wheelwell)
• J1 (left kick panel)
• J29
• Left cowl side j/b (left end of dash)
• Left front door courtesy switch (left "b" pillar)
• Left outer rear view mirror
• Left seat memory switch
• Left/right motor
• Lh-ig 1 relay
• Lh-ig fuse 10a
• M10
• Mpx1
• Mr+
• Mr-
• Mswe
• Outer mirror control ecu (left) (left front door)
• Park/ neutral position switch (a/t) (on transmission)
• Parking brake switch (m/t) (left side of dash)
• Pkb
• Pnk
• Red
• Retractable motor
• Right cowl side j/b (right end of dash)
• Sensor
• Set
• Sig
• Sil1
• Sile
• Skid control ecu w/ actuator (left rear of engine compt)
• Up/down motor
• Vssr

Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (at steering
• (left "b" pillar) q1
• (left front door) outer mirror control ecu (left)
• (right side of dash) power source control ecu
• A12
• A15
• A18
• A20
• A24
• Ant
• Asel
• Bdr
• Body ecu
• Certification ecu (right side of trunk)
• Column)
• Computer data lines system
• Cpub
• D12
• D14
• Data
• Dcty
• Door control receiver (right rear of vehicle)
• Ecu-ig rh fuse 10a
• Ecub
• Electrical key antenna (right rear of trunk)
• Engine room j/b 1 (right rear of engine compt)
• Gnd
• Hot at all times
• Ig1d
• J2 (under center console)
• J21
• J4 (right kick panel)
• J75
• Left front door courtesy switch (left "b" pillar)
• Left seat memory switch
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mswe
• P2 (right rear of vehicle)
• Parking brake switch (m/t) (left side of dash)
• Pkb
• Pnk
• Rco
• Rda
• Red
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Rssi
• Set
• Sig
• Sil1
• Sile
• Telescopic sensor
• Tem+
• Tem-
• Tes
• Ti & te fuse 20a
• Tilt & telescopic ecu (on steering column)
• Tilt motor
• Tim+
• Tim-
• Tis
• Vce
• Vci

Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• (left side of dash) j/c j27
• Ca1h
• Ca1l
• Canh
• Canl
• Computer data lines system
• D12
• D13
• D18
• Down
• Engine control module (left front of engine compt)
• Fr door lh fuse 20a
• Gateway ecu (right end of dash)
• Headlamp dimmer switch assembly
• Hot at all times
• J/c j27 (left side of dash)
• J/c m14 (driver's door)
• J/c q36 (left rear wheelwell)
• J1 (left kick panel)
• J2 (under center console)
• J26
• J29
• Left cowl side j/b (left end of dash)
• Lh-ig fuse 10a
• Lh-ig1 relay
• Long
• Mpd1
• Mpd2
• Mpx1
• Mpx2
• Msw
• Park/ neutral position switch (a/t) (on transmission)
• Pnk
• Red
• Short
• Skid control ecu w/ actuator (left rear of engine compt)
• Tilt & telescopic switch
• Windshield wiper switch assembly

Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (front passenger's seat) j/c t11
• Ca1h
• Ca1l
• Canh
• Canl
• Certification ecu (right side of trunk)
• Computer data lines system
• D13
• Engine control module (left front of engine compt)
• Fr door rh fuse 20a
• Fr p/ seat rh fuse 30a
• Frv+
• Frv-
• Gateway ecu (right end of dash)
• Gnd
• Hot at all times
• J1 (left kick panel)
• J29
• Left cowl side j/b (left end of dash)
• Lft+
• Lft-
• Lh-ig 1 relay
• Lh-ig fuse 10a
• Mpd1
• Mpd2
• Mpx1
• Mpx2
• P1 (right side of crossmember)
• Park/ neutral position switch (a/t) (on transmission)
• Pnk
• Power seat motor (right front seat front vertical control) (under front passenger's seat)
• Power seat motor (right front seat lumbar support control) (front passenger's seat)
• Power seat motor (right front seat rear vertical control) (under front passenger's seat)
• Power seat motor (right front seat reclining control) (front passenger's seat)
• Power seat motor (right front seat slide control) (front passenger's seat)
• Power seat switch (front right seat lumbar support control)
• Rcl+
• Rcl-
• Red
• Right cowl side j/b (right end of dash)
• Right position control ecu & switch (under front passenger's seat)
• Skid control ecu w/ actuator (left rear of engine compt)
• Sld+
• Sld-
• Sysb

Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• A12
• A20
• Bdr
• Body ecu
• Computer data lines system
• Cpub
• D12
• Dcty
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Hot at all times
• Ig1d
• J/c l11 (front passenger's door)
• J/c p24 & p25 (right side of trunk)
• J15
• J18
• J20
• J21
• J4 (right kick panel)
• J75
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mswe
• P24
• P25
• Parking brake switch (m/t) (left side of dash)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig 1 relay
• Right cowl side j/b (right end of dash)
• Right front door courtesy switch (right "b" pillar)
• Right outer mirror control ecu (right front door)
• Right seat memory switch
• Set
• Sig

NAVIGATION

Navigation Wiring Diagram for Lexus IS 250 2009

List of elements for Navigation Wiring Diagram for Lexus IS 250 2009:

• (right end of dash) right cowl side j/b
• (right kick panel) j/c j80
• (right side of dash) power source control ecu
• +b1
• Acc
• Acc fuse 7.5a
• Acc2
• Body computer
• Ca+
• Ca1h
• Ca1l
• Cb+
• Cgnd
• Computer data lines system
• Cv+
• Cv-
• D10
• D11
• D12
• D14
• D27
• D28
• Data link connector 3 (left side of dash)
• Ecu-ig rh fuse 10a
• Gateway ecu (right end of dash)
• Gnd
• Gnd1
• Gnd2
• Gps antenna
• Gtx+
• Gtx-
• Gvif
• Hot at all times
• Hot w/ acc relay energized
• Ig1d
• Ii1+
• Ii1-
• Ill+
• Ill-
• Ind
• Interior lights system
• Ivo+
• Ivo-
• J/c j27 (left side of dash)
• J2 (under center console)
• J21
• J4 (right kick panel)
• J50
• J51
• J52
• J62
• J63
• J74
• J75
• Left cowl side j/b (left end of dash)
• Macc
• Mco+
• Mco-
• Mi1+
• Mic+
• Mic-
• Min+
• Min-
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx1
• Mpx2
• Multi-display
• Multi-media module navigation assembly
• Nca
• Ntsc
• Overhead junction box (front center of roof)
• P30
• Pkb
• Pnk
• Radio receiver assembly
• Rearview monitoring circuit
• Red
• Rev
• Rev2
• Rh-ig 1 relay
• Right cowl side j/b (right end of dash)
• Seuc
• Sgd1
• Sgnd
• Si+
• Si-
• Sld
• Sld1
• Spd
• Spd2
• Stereo component amplifier (right side of trunk)
• Television camera (rear of trunk lid)
• Tsw-
• Tv 1 fuse 10a
• Tx+
• Tx-
• Tx2+
• Tx2-
• Tx3+
• Tx3-
• Tx4+
• Tx4-
• Vol+
• Vol-
• W/ dvd changer

Rear Sonar Wiring Diagram for Lexus IS 250 2009

List of elements for Rear Sonar Wiring Diagram for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• (left rear wheelwell) j/c q35
• (left side of trunk) q2
• (under center console) j2
• 2.5l
• 3.5l
• A/t
• A10
• A12
• A30
• Backup lamp switch (right side of trans- mission)
• Bkup
• Body ecu
• Ca1h
• Ca1l
• Canh
• Canl
• Cbz
• Clearance sonar ind
• Clearance warning buzzer (center of dash)
• Clearance warning ecu (left side of trunk)
• Combination meter
• Computer data lines system
• D12
• D13
• E49
• Engine control module (left front of engine compt)
• Engine controls system
• Gateway ecu (right end of dash)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Ig1d
• Ig2 or dome +b
• Input circuit
• J/c e2 & e49 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c q33 (left rear wheelwell)
• J1 (left kick panel)
• J12
• J21
• J23
• J34
• J4 (right kick panel)
• J75
• L10
• Left cowl side j/b (left end of dash)
• Left front corner ultrasonic sensor (left front of vehicle)
• Left rear center ultrasonic sensor (rear bumper)
• Left rear corner ultrasonic sensor (rear bumper)
• Lh-ig 1 relay
• Lh-ig fuse 10a
• M/t
• Micro computer
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Navigation circuit
• Ne+
• Ne-
• Park/ neutral position switch (on trans- mission)
• Parking brake switch (left side of dash)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig 1 relay
• Rh-ig fuse 7.5a
• Right cowl side j/b (right end of dash)
• Right front corner ultrasonic sensor (right front of vehicle)
• Right rear center ultrasonic sensor (rear bumper)
• Right rear corner ultrasonic sensor (rear bumper)
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1
• Speedometer

Rear View Monitoring Wiring Diagram for Lexus IS 250 2009

List of elements for Rear View Monitoring Wiring Diagram for Lexus IS 250 2009:

• (on transmission)
• 2.5l
• 3.5l
• A/t
• A10
• A12
• A30
• A33
• Back
• Backup lamp switch (right side of trans- mission)
• Bkup
• Body computer
• Ca+
• Ca1h
• Ca1l
• Canh
• Canl
• Cb+
• Cgnd
• Combination meter
• Computer data lines system
• Cv+
• Cv-
• D12
• D13
• E49
• Engine control module (left front of engine compt)
• Engine controls system
• Gateway ecu (right end of dash)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Ig1d
• Ind
• Input circuit
• J/c a33 & j80 (right kick panel)
• J/c e2 & e49 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c q33 (left rear wheelwell)
• J1 (left kick panel)
• J2 (under center console)
• J21
• J23
• J34
• J50
• J51
• J74
• J75
• J80
• L10
• Left cowl side j/b (left end of dash)
• Lh-ig 1 relay
• Lh-ig fuse 10a
• M/t
• Micro computer
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi-display
• Navigation circuit
• Nca
• Ne+
• Ne-
• P30
• Park/ neutral position switch p
• Parking brake switch (left side of dash)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rev
• Right cowl side j/b (right end of dash)
• Seuc
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1
• Spd
• Speedometer
• Stereo component amplifier (right side of trunk)
• Television camera (rear of trunk lid)

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Lexus IS 250 2009

List of elements for Passive Restraints Wiring Diagram for Lexus IS 250 2009:

• Belt (under front passenger's seat)
• D12
• D13
• Hot at all times
• Ig1d
• Inner
• Inner belt
• Inner belt assembly
• J/c q35 (left rear wheelwell)
• J/c t11 (front passenger's seat)
• J1 (left kick panel)
• J11
• J13
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Left front seat buckle switch
• Left front seat outer belt
• Lh- ig1 relay
• Lh-ig fuse 10a
• P1 (right side of crossmember)
• Pnk
• Power source control ecu (right side of dash)
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Q7 j/c q7 & u1 (under driver's seat)
• Rh- ig1 relay
• Rh-ig fuse 7.5a
• Right cowl side j/b (right end of dash)
• Right front seat buckle switch
• Right front seat outer belt
• U1 j/c q7 & u1 (under driver's seat)
• W/ occupant classification system
• W/ power seat
• W/o occupant classification system
• W/o power seat

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Lexus IS 250 2009

List of elements for Power Distribution Wiring Diagram (1 of 5) for Lexus IS 250 2009:

• (w/ drl) (w/o drl)
• A/c comp fuse 7.5a
• A/f fuse 15a
• Abs 2 fuse 30a
• Air conditioning system
• Alt fuse 150a
• Alt-s fuse 7.5a
• Anti-lock brakes system
• Battery
• Cooling fans system
• Cruise control, engine controls & transmissions systems
• E/g-am fuse 60a
• E/g-b fuse 60a
• Electronic power steering system
• Engine controls system
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Engine room j/b 2 & engine room r/b 2 (left side of engine compt)
• Eps fuse 80a
• Etcs fuse 10a
• Exterior lights system
• Fan 1 fuse 40a
• Fr ctrl-am fuse 30a
• Fr ctrl-b fuse 25a
• Fr fog fuse 15a
• Fr fog relay
• Fr tail fuse 10a
• Fr tail relay
• From e/g-am fuse (diagram 1 of 5)
• From e/g-b fuse (diagram 1 of 5)
• Front controller
• H-lp cln fuse 30a
• H-lp upr fuse 15a 20a
• Head hi relay (w/o drl)
• Hid type
• Horn fuse 10a
• Horn relay
• Pnk
• Rad 1 fuse 30a
• Rad 2 fuse 30a
• Red
• Shift interlock system
• Sound & navigation systems
• Starter fuse 30a
• Starting/ charging system
• Str lock fuse 25a
• To abs 1 fuse (diagram 2 of 5)
• To fan 2 fuse (diagram 2 of 5)
• To fr ctrl-am fuse (diagram 1 of 5)
• To fr ctrl-b fuse (diagram 1 of 5)
• Turn- haz fuse 15a
• W/ drl
• Wash relay
• Washer fuse 20a
• Wiper/ washer system

Power Distribution Wiring Diagram (2 of 5) for Lexus IS 250 2009

List of elements for Power Distribution Wiring Diagram (2 of 5) for Lexus IS 250 2009:

• Abs 1 fuse 50a
• Air conditioning system
• Anti-lock brakes system
• Cds fuse 10a
• Cooling fans system
• D/c cut fuse 20a
• Defog fuse 50a
• Defogger system
• Dome fuse 10a
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Fan 2 fuse 40a
• From fan 1 fuse (diagram 1 of 5)
• From rad 2 fuse (diagram 1 of 5)
• Glw plg 1 fuse 50a
• Glw plg 2 fuse 50a
• Head lp relay
• Heater fuse 50a
• Interior lights, trunk, tailgate, fuel doors, anti-theft, anti-lock brakes & instrument cluster systems
• J4 (right kick panel)
• Lh j/b-am fuse 80a
• Main fuse 30a
• Mpx-b fuse 10a
• Noise filter (gost buster) (engine room r/b 1)
• Rh j/b-am fuse 80a
• To a/c fuse (diagram 4 of 5)
• To ig2 main fuse (diagram 3 of 5)
• To stop sw (diagram 4 of 5)

Power Distribution Wiring Diagram (3 of 5) for Lexus IS 250 2009

List of elements for Power Distribution Wiring Diagram (3 of 5) for Lexus IS 250 2009:

• A2 (left rear of engine compt)
• A23
• A25
• A27
• A29
• Accd
• Am1
• Am2
• Am2 fuse 7.5a
• Batb
• Body ecu
• Cruise control, engine controls, transmissions & anti-lock brakes systems
• D11
• Efi 2 relay
• Efi fuse 25a
• Efi main relay
• Engine controls system
• Engine controls, cruise control & transmissions systems
• Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
• Engine room j/b 2 & engine room r/b 2 (left side of engine compt)
• F/pmp fuse 25a
• Fr door rh fuse 20a
• From d/c cut fuse (diagram 2 of 5)
• Gauge fuse 7.5a
• Ig 2 fuse 10a
• Ig 2 main fuse 20a
• Ig 2 relay
• Ig1d
• Ig2d
• Ign fuse 10a
• Inj fuse 20a
• Inj relay
• Instrument cluster system
• J10
• J26
• J4 (right kick panel)
• Junction connector a29 & j10 (left kick panel)
• Junction connector a9 (left side of engine compt)
• Junction connector j71 (right side of dash)
• Junction connector j80 (right kick panel)
• Lh j/b-b fuse 30a
• Memory & power windows systems
• P/i-b fuse 60a
• Pnk
• Power source control ecu (right side of dash)
• Power switch
• Power windows system
• Red
• Rh j/b-b fuse 30a
• Right cowl side j/b (right end of dash)
• Rr door rh fuse 20a
• Shift interlock system
• Ssw1
• Ssw2
• To fr door lh fuse (diagram 5 of 5)
• To pwr point relay (diagram 5 of 5)
• To rh-ig1 relay (diagram 5 of 5)

Power Distribution Wiring Diagram (4 of 5) for Lexus IS 250 2009

List of elements for Power Distribution Wiring Diagram (4 of 5) for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• A/c fuse 7.5a
• A11
• A14
• A15
• A27
• A28
• Air conditioning & defogger systems
• Air conditioning, cruise control, anti-lock brakes, mirrors, defogger, shift interlock, wiper/washer, power tops & warning systems
• Altb
• Anti-lock brakes, cruise control, wiper/washer, exterior lights, air conditioning, starting/charging & cooling fans systems
• Body ecu
• Computer data lines system
• D13
• D22
• D28
• D29
• Defogger system
• Ecu- ig lh fuse 10a
• Electronic power steering system
• Exterior lights system
• Exterior lights, anti-lock brakes, cruise control, transmissions, engine controls, shift interlock & starting/charging systems
• Fr p/ seat lh fuse 30a
• Fr p/ seat rh fuse 30a
• Fr s/ htr lh fuse 15a
• Fr wip fuse 30a
• From lh j/b-am fuse (diagram 2 of 5)
• From rh j/b-am fuse (diagram 2 of 5)
• Fuel opn fuse 10a
• H-lp lvl fuse 7.5a
• Headlights system
• Instrument cluster system
• J1 (left kick panel)
• J10
• J11
• J12
• J16
• J22
• J28
• J29
• J30
• K10
• Lh-ig 1 relay
• Lh-ig 2 relay
• Lh-ig fuse 10a
• Memory & seats systems
• Memory systems
• Mir htr fuse 15a
• Navigation & sound systems
• Navigation system
• Navigation, exterior lights, cruise control, transmissions, memory, door locks & interior lights systems
• Obd fuse 7.5a
• Passive restraints system
• Pnk
• Power tops system
• Psb fuse 30a
• Rad 3 fuse 10a
• Red
• Right cowl side j/b (right end of dash)
• S/roof fuse 25a
• Seats & memory systems
• Seats system
• Sound & navigation systems
• Stop sw fuse 7.5a
• Tail relay
• Ti & te fuse 20a
• To pwr point relay (diagram 5 of 5)
• To right cowl side j/b (diagram 5 of 5)
• Trunk, tailgate, fuel doors system
• Tv 1 fuse 10a
• Wig
• Wiper/ washer system

Power Distribution Wiring Diagram (5 of 5) for Lexus IS 250 2009

List of elements for Power Distribution Wiring Diagram (5 of 5) for Lexus IS 250 2009:

• Acc
• Acc fuse 7.5a
• Acc relay
• Anti-theft system
• Body ecu
• Cig fuse 15a
• Cigarette lighter
• D12
• D13
• D14
• D26
• D27
• Door locks systems
• Door locks, memory, power windows & anti-theft systems
• Ecu- ig rh fuse 10a
• Fr door lh fuse 20a
• Fr s/ htr rh fuse 15a
• From left cowl side j/b (diagram 4 of 5)
• From lh
• From obd l fuse (diagram 4 of 5)
• From power source control ecu (diagram 3 of 5)
• Interior lights system
• J/b-b fuse (diagram 3 of 5)
• J13
• J15
• J16
• J23
• J24
• J4 (right kick panel)
• Junction connector p26 (right side of trunk)
• Left cowl side j/b (left end of dash)
• Memory & door locks systems
• Memory systems
• Navigation & sound systems
• Navigation, sound, mirrors, memory, instrument cluster, computer data lines & interior lights systems
• P1 (right side of crossmember)
• Passive restraint system
• Pnk
• Power outlet socket
• Power windows system
• Pwr outlet fuse 15a
• Pwr point relay
• Rh-ig 1 relay
• Rh-ig fuse 7.5a
• Right cowl side j/b (right end of dash)
• Rr door lh fuse 20a
• Seats system
• Seats, cruise control, transmissions & navigation systems
• Security fuse 7.5a

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 250 2009:

• Acc
• Acc fuse 7.5a
• Act+
• Act-
• Actd
• Altb
• Batb
• Body ecu
• Computer data lines system
• Cpub
• D24
• Ecu-ig rh fuse 10a
• Fr door rh fuse 20a
• Gsw
• Hot at all times
• Hot w/ acc relay energized
• Hot w/ rh-ig 1 relay energized
• Hrly
• J/c a33 (right kick panel)
• J/c q36 (left rear wheelwell)
• J10
• J17
• J21
• J74
• J75
• Kul
• Left front door lock assembly (driver's door)
• Left rear door lock assembly (left rear door)
• Lgcy
• Lock key
• Lssr
• Lsw
• Lswl
• Lswp
• Lswr
• Mpx1
• Mpx2
• P1 (right side of crossmember)
• Pnk
• Power window master switch
• Pws
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Red
• Right cowl side j/b (right end of dash)
• Right front door lock assembly (front passenger's door)
• Right rear door lock assembly (right rear door)
• Ti & te fuse 20a
• Tr+
• Udl
• Ul1
• Unlock detection
• Unlock key

Power Door Locks Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 250 2009:

• A1 (left rear of engine compt)
• A11
• A36
• Body ecu
• Bzr
• Courtesy
• D11
• D17
• Dcty
• Dome lamp
• Door
• Door lock control switch
• Gnd1
• Gnd2
• Haz
• Ill+
• Ind
• Integrated control & panel assembly
• J/c a15
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J2 (under center console)
• J4 (right kick panel)
• J74
• J75
• Lcty
• Left front door courtesy switch (left "b" pillar)
• Left rear door courtesy switch (left "c" pillar)
• Lock
• Luggage door lock assembly
• Multi- display
• Overhead j/b (front center of roof)
• P1 (right side of crossmember)
• Pcty
• Q2 (left side of trunk)
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Room lamp
• Security horn (right rear of engine compt)
• Seuc
• Un lock
• W/ navigation
• W/o navigation
• Wireless door lock buzzer (inside left front wheelwell)

Power Door Locks Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 250 2009:

• A12
• A29
• A30
• Bdcy
• Body ecu
• Computer data lines system
• D12
• Dome fuse 10a
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Foot lamp
• Gnd
• Haz
• Head lp relay
• Hot at all times
• J/c a29 & j10 (left kick panel) a29
• J/c l11 (front passenger's door)
• J/c m14 (driver's door)
• J/c p24 & p25 (right side of trunk)
• J/c q33 & q34 (left rear wheelwell)
• J1 (left kick panel)
• J10
• J2 (under center console)
• L14
• Lcty
• Left cowl side j/b (left end of dash)
• Left outer rear view mirror
• Lgcy
• Lkul
• Lpsw
• Luggage compartment door lock cylinder
• Luggage electrical key switch (center rear of trunk)
• M15
• Main fuse 30a
• Mpx1
• Mpx2
• P24
• P25
• Pnk
• Q2 (left side of trunk)
• Q33
• Q34
• Right outer rear view mirror
• Sgnd
• Turn signal flasher (left side of dash)
• W/ memory
• W/o memory
• W/o navigation system

Power Door Locks Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 250 2009:

• A2 (left rear of engine compt)
• Air bag sensor assembly center (under center console)
• B1 (right front of engine compt)
• Buckle switch
• Ca1h
• Ca1l
• Canh
• Canl
• Combination meter
• Computer data lines system
• Dbe-
• Engine hood courtesy switch (center front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Front controller
• Gateway ecu (right end of dash)
• Horn (high) (front of radiator)
• Horn (low) (front of radiator)
• Horn fuse 10a
• Horn relay
• Hot at all times
• J34
• J47 gsw
• Left front seat inner belt
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Q32 dbe+
• Red
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1

Power Door Locks Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 250 2009:

• A24
• Acc fuse 7.5a
• Ant
• Ant1
• Ant2
• Asel
• Becu
• Body ecu
• Clg
• Clgb
• D12
• D13
• D18
• Data
• Door control receiver (right rear of vehicle)
• Ecu- ig rh fuse 10a
• Electrical key antenna (right rear of trunk)
• Gnd
• Hot at all times
• Hot w/ acc relay energized
• J/c j27 (left side of dash)
• J/c l11 (front passenger's door)
• J/c m14 (driver's door)
• J/c p24 & p25 (right side of trunk)
• J1 (left kick panel)
• J15
• J18
• J24
• J29
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Left front door electrical key oscillator (driver's door)
• Left front door outside handle
• Lh-ig 1 relay
• Lh-ig fuse 10a
• Nca
• P1 (right side of crossmember)
• P2 (right rear of vehicle)
• P24
• P25
• Park/ neutral position switch (a/t) (on transmission)
• Pnk
• Q1 (left "b" pillar)
• Red
• Rh-ig 1 relay
• Right cowl side j/b (right end of dash)
• Right front door electrical key oscillator (front passenger's door)
• Right front door outside handle
• Rssi
• Sel
• Sens
• Sgt
• Trg+
• Trg-

Power Door Locks Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 250 2009:

• (right side of trunk) certification ecu
• (under center console) console electrical key oscillator
• +b1
• Acc
• Agnd
• Asel
• Cg1b
• Cg2b
• Cg5b
• Cg6b
• Cg7b
• Cg8b
• Clg1
• Clg2
• Clg3
• Clg4
• Clg5
• Clg6
• Clg7
• Clg8
• Clgb
• Code
• Com
• Computer data lines system
• D11
• Gnd
• Inds
• Indw
• Inside luggage room electrical key oscillator (left side of trunk)
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J/c p26 (right side of trunk)
• J4 (right kick panel)
• Lin
• Mpx1
• Mpx2
• Outside luggage room electrical key oscillator (right side of trunk)
• P1 (right side of crossmember)
• Pnk
• Power switch
• Rc0
• Rda
• Rear seat electrical key oscillator (left rear seat)
• Red
• Right cowl side j/b (right end of dash)
• Rssi
• Sel1
• Sel2
• Sen1
• Sen2
• Ss1
• Ss2
• Swil
• Tsw1
• Tsw2
• Txct
• Vc5

Power Door Locks Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 250 2009:

• (left kick panel) j/c a29 & j10
• (or red)
• A/t
• A27
• A29
• Accd
• Alt
• Am1
• Am2
• Am2 fuse 7.5a
• Canh
• Canl
• Computer data lines system
• Ctsw
• D11
• Efii
• Efio
• Engine control module (left front of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Generator
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig2 relay energized
• Id code box (center of dash)
• Ig1d
• Ig2
• Ig2d
• Ige
• Ign fuse 10a
• Imi
• Imo
• Inds
• Indw
• Instrument cluster system
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J10
• J2 (under center console)
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Lin
• Lin1
• Mpx1
• Mpx2
• Pnk
• Power distribution system
• Power source control ecu (right side of dash)
• Red
• Right cowl side j/b (right end of dash)
• Security fuse 7.5a
• Sgnd
• Shift lock control ecu (under center console)
• Sksw
• Slp
• Slp1
• Slr+
• Spd
• Ssw1
• Ssw2
• Sta
• Star
• Starting/ charging system
• Starting/charging system
• Steering lock ecu (steering column)
• Stop lamp switch (left side of dash)
• Stop sw fuse 7.5a
• Stp
• Str lock fuse 25a
• Str1
• Str2
• Stsw
• Swil
• Tach

Power Door Locks Wiring Diagram, without Smart Key System (1 of 3) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, without Smart Key System (1 of 3) for Lexus IS 250 2009:

• (left end of dash)
• Acc
• Acc fuse 7.5a
• Act+
• Act-
• Actd
• Altb
• Batb
• Body ecu
• Computer data lines system
• Cpub
• D18
• D24
• Detection unlock
• Ecu ig rh fuse 10a
• Fr door rh fuse 20a
• Hot at all times
• Hot w/ rh ig1 relay energized
• J/c m14 (driver's door)
• J10
• J17
• J21
• J29
• J75
• Key lock
• Key unlock
• Kul
• Left cowl side j/b
• Left front door lock assembly (driver's door)
• Left rear door lock assembly (left rear door)
• Lssr
• Lsw
• Lswl
• Lswp
• Lswr
• Mpx1
• Mpx2
• P1 (right side of crossmember)
• Power window master switch
• Pws
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Red
• Right cowl side j/b (right end of dash)
• Right front door lock assembly (front passenger's door)
• Right rear door lock assembly (right rear door)
• Ti & te fuse 20a
• Udl
• Ul1
• Unlock detection

Power Door Locks Wiring Diagram, without Smart Key System (2 of 3) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, without Smart Key System (2 of 3) for Lexus IS 250 2009:

• A11
• A24
• Acc fuse 7.5a
• Body ecu
• Ca1h
• Ca1l
• Combination meter
• Computer data lines system
• D17
• Dcty
• Door courtesy switch (left front) (left "b" pillar)
• Door courtesy switch (left rear) (left "c" pillar)
• Door courtesy switch (right front) (right "b" pillar)
• Door courtesy switch (right rear) (right "c" pillar)
• Door lock control switch
• Engine room r/b 1 (right rear of engine compt)
• Gateway ecu (right end of dash)
• Gnd1
• Gnd2
• Gsw
• Hot at all times
• J/c j27 (left side of dash)
• J2 (under center console)
• J34
• J4 (right kick panel)
• J75
• Lcty
• Lock
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• P1 (right side of crossmember)
• Pcty
• Rcty
• Red
• Right cowl side j/b (right end of dash)
• Unlock

Power Door Locks Wiring Diagram, without Smart Key System (3 of 3) for Lexus IS 250 2009

List of elements for Power Door Locks Wiring Diagram, without Smart Key System (3 of 3) for Lexus IS 250 2009:

• (or red)
• (right side of dash) power source control ecu
• A30
• Air bag sensor assembly center (under center console)
• Alt
• Body ecu
• Buckle switch
• Canh
• Canl
• Computer data lines system
• D12
• D13
• Dbe-
• Engine control module (left front of engine compt)
• Generator
• Gnd
• Gsw
• Hot at all times
• Ig1d
• J/c j2, j4, j6 & j7 (left kick panel)
• J/c j81 & j84 (right kick panel) j84
• J1 (left kick panel)
• J2 (under center console)
• J47 canl
• J81
• Left cowl side j/b (left end of dash)
• Left front seat inner belt
• Lh-ig 1 relay
• Lh-ig fuse 10a
• Mpx1
• Mpx2
• Park/neutral position switch (a/t) (on transmission)
• Pnk
• Q32 dbe+
• Red
• Right cowl side j/b (right end of dash)
• Sgnd
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Lexus IS 250 2009

List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 250 2009:

• (right kick panel)
• (right side of dash)
• +b1
• +b2
• A29
• D11
• D29
• Dome fuse 10a
• Ec+
• Ec-
• Ecu-ig lh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Garage door opener
• Gnd
• Gnd5
• Hot at all times
• Hot in on or start
• Ig1
• Inner rear view mirror
• J/c a29 & j10 (left kick panel)
• J/c j70 (right side of dash)
• J/c j71
• J/c j80
• J10
• J2 (under center console)
• L10
• Left cowl side j/b (left end of dash)
• Left outer mirror control ecu
• Left outer rear view mirror
• M10
• Overhead j/b (front center of roof)
• Pnk
• Red
• Right cowl side j/b (right end of dash)
• Right outer mirror control ecu
• Right outer rear view mirror

Power Mirrors Wiring Diagram for Lexus IS 250 2009

List of elements for Power Mirrors Wiring Diagram for Lexus IS 250 2009:

• Acc fuse 7.5a
• D27
• Defogger system
• Down
• Exterior lights system
• Fold
• Foot lamp
• Hot in acc or on
• Ill+
• Ill-
• Interior lights system
• J/c j27 (left side of dash)
• J/c m14 (driver's door)
• Left
• Left outer rear view mirror
• Mirror heater
• Mlh
• Mlp+
• Mlp-
• Mlv
• Mrh
• Mrv
• Operation switches
• Outer mirror switch
• Pnk
• Q1 (left "b" pillar)
• Red
• Right
• Right cowl side j/b (right end of dash)
• Right outer rear view mirror
• Select switches
• Turn light
• Unfold
• W/ retractor

POWER SEATS

Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• A/c fuse 7.5a
• A27
• Bllh
• Blrh
• Ctb
• D13
• D20
• D29
• Exterior lights system
• Fr s/ htr lh fuse 15a
• Gnd
• Hot at all times
• Hot w/ lh-ig2 relay energized
• Ill+
• Ill-
• Interior lights system
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c q7 & u1 (under driver's seat) u1
• J/c u11 (under driver's seat)
• J1 (left kick panel)
• J30
• Left cowl side j/b (left end of dash)
• Left seat heater
• Lh ecu-ig fuse 10a
• Lh-ig2 relay
• Panel fuse 7.5a
• Pnk
• Q1 (left "b" pillar)
• Red
• Rel1
• Seat back
• Seat climate control blower (left front seat back) (driver's seat back)
• Seat climate control blower (left front seat cushion) (driver's seat cushion)
• Seat cushion
• Seat heater control
• Seat heater switch
• Sign
• Svs5
• Svsg
• Swl
• Tail relay
• Thermistor
• Thl

Climate Control Seats Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Climate Control Seats Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• A/c amplifier (center of dash)
• Ctb
• D12
• D13
• Fr s/ htr rh fuse 15a
• Gnd
• Hot w/ rh-ig1 relay energized
• Ig+
• Ig1d
• J/c t11 (front passenger's seat)
• J/c t14 (under front passenger's seat)
• J58
• J59
• Lout
• P1 (right side of crossmember)
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig fuse 7.5a
• Right cowl side j/b (right end of dash)
• Right seat heater
• Rout
• S5-4
• Seat back
• Seat climate control blower (right front seat back) (front passenger's seat back)
• Seat climate control blower (right front seat cushion) (front passenger's seat cushion)
• Seat cushion
• Seat heater control
• Sg-4
• Sign
• Sw4
• Sw5
• Swr
• Thermistor
• Thr

Driver Power Seat Wiring Diagram for Lexus IS 250 2009

List of elements for Driver Power Seat Wiring Diagram for Lexus IS 250 2009:

• Down
• Fr p/ seat lh fuse 30a
• Front
• Front vertical
• Hot at all times
• J/c q7 & u1 (under driver's seat)
• J22
• Left cowl side j/b (left end of dash)
• Power seat motor (left front seat front vertical control) (under driver's seat)
• Power seat motor (left front seat lumbar support control) (in driver's seat)
• Power seat motor (left front seat rear vertical control) (in driver's seat)
• Power seat motor (left front seat reclining control) (in driver's seat)
• Power seat motor (left front seat slide control) (in driver's seat)
• Power seat switch (front left front
• Power seat switch (front left seat lumbar support control)
• Q1 (left "b" pillar)
• Rear
• Rear vertical
• Reclining
• Red
• Seat)
• Slide

Heated Seats Wiring Diagram for Lexus IS 250 2009

List of elements for Heated Seats Wiring Diagram for Lexus IS 250 2009:

• D13
• D20
• Exterior lights system
• Fr s/ htr lh fuse 15a
• Fr s/ htr rh fuse 15a
• Hot at all times
• Hot w/ lh-ig2 relay energized
• Hot w/ rh-ig1 relay energized
• Ill+
• Ill-
• Interior lights system
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c q7 & u1 (under driver's seat) u1
• J/c t11 (front passenger's seat)
• J/c u11 (under driver's seat)
• J1 (left kick panel)
• J30
• Left cowl side j/b (left end of dash)
• Left seat heater
• P1 (right side of crossmember)
• Panel fuse 7.5a
• Pnk
• Q1 (left "b" pillar)
• Red
• Rel1
• Rh-ig fuse 7.5a
• Right cowl side j/b (right end of dash)
• Right seat heater
• Seat back
• Seat cushion
• Seat heater control
• Seat heater switch
• Swl
• Swr
• Tail relay
• Thermistor
• Thl
• Thr

Passenger Power Seat Wiring Diagram for Lexus IS 250 2009

List of elements for Passenger Power Seat Wiring Diagram for Lexus IS 250 2009:

• Down
• Fr p seat rh fuse 30a
• Front
• Front vertical
• Hot at all times
• J/c t11 (front passenger's seat)
• J29
• P1 (right side of crossmember)
• Power seat motor (right front seat front vertical control) (under front passenger's seat)
• Power seat motor (right front seat lumbar support control) (front passenger's seat)
• Power seat motor (right front seat rear vertical control) (under front passenger's seat)
• Power seat motor (right front seat reclining control) (front passenger's seat)
• Power seat motor (right front seat slide control) (front passenger's seat)
• Power seat switch (front right seat lumbar support control)
• Power seat switch (front right seat)
• Rear
• Rear vertical
• Reclining
• Red
• Right cowl side j/b (right end of dash)
• Slide

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Lexus IS 250 2009

List of elements for Power Top/Sunroof Wiring Diagram for Lexus IS 250 2009:

• (right kick panel) j4
• A1 (left rear of engine compt) j/c a15
• A10
• A36
• Ant
• Asel
• Body ecu
• Bzr
• Certification ecu (right side of trunk)
• Chk
• Cls
• Combination meter
• Computer data lines system
• D11
• D22
• D29
• Data
• Dcty
• Door control receiver (right rear of vehicle)
• Down
• Dwn
• Ecu-ig lh fuse 10a
• Electrical key antenna (right rear of trunk)
• Engine room r/b 1 (right rear of engine compt)
• Gauge fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Hot w/ lh-ig2 relay energized
• Ig+
• Ig2 or dome +b
• Ig3
• Input circuit
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J1 (left kick panel)
• J21
• J34
• J75
• Kul
• Left cowl side j/b (left end of dash)
• Left front door courtesy switch (left "b" pillar)
• Left front door lock assembly (driver's door)
• Master ind
• Micro computer
• Micro computer (sub)
• Mpx
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Multi information display
• Opn
• Overhead j/b (front center of roof)
• P2 (right rear of vehicle)
• Power window master switch
• Q1 (near left "b" pillar)
• Rco
• Rda
• Red
• Right cowl side j/b (right end of dash)
• Rssi
• S/roof fuse 25a
• Sliding roof control ecu (front center of roof)
• Sliding roof switches
• Wireless door lock buzzer (inside left front wheelwell)

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Power Windows Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• Ant
• Asel
• Auto
• Body ecu
• Certification ecu (right side of trunk)
• Computer data lines system
• Cpub
• D18
• Data
• Door control receiver (right rear of vehicle)
• Dwn1
• Electrical key antenna (right rear of trunk)
• Gnd
• Hot at all times
• J/c m14 (driver's door)
• J29
• Key lock
• Key unlock
• Kul
• Led
• Left cowl side j/b (left end of dash)
• Left front door lock assembly (driver's door)
• Left front power window regulator motor (driver's door)
• Left rear power window regulator motor (left rear door)
• Left rear power window switch
• Lh fr door fuse 20a
• Lh rr door fuse 20a
• Lin
• Lin1
• Lin2
• Lsw
• Mpx1
• Mpx1 q3
• Mpx2
• Mpx2 a30
• P2 (right rear of vehicle)
• Pnk
• Power window master switch
• Q1 (left "b" pillar)
• Q2 (left side of trunk)
• Rco
• Rda
• Red
• Rssi
• Sig
• Up1
• W/ memory
• W/o memory

Power Windows Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Power Windows Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (right rear door)
• A1 (left rear of engine compt)
• A24
• A36
• Auto
• Body ecu
• Bzr
• Computer data lines system
• D14
• Dcty
• Dwn1
• Engine room r/b 1 (right rear of engine compt)
• Hot at all times
• Ig1d
• J/c a15
• J/c j27 (left side of dash)
• J/c q36 (left rear wheelwell)
• J21
• J4 (right kick panel)
• J75
• Led
• Left front door courtesy switch (left "b" pillar)
• Lin
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• P1 (right side of crossmember)
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh ecu-ig fuse 10a
• Rh fr door fuse 20a
• Rh ig1 relay
• Rh rr door fuse 20a
• Right cowl side j/b (right end of dash)
• Right front power window regulator motor (front passenger's door)
• Right front power window switch
• Right rear power window regulator motor
• Right rear power window switch
• Up1
• Wireless door lock buzzer (inside left front wheelwell)

Rear Window Sun Shade Wiring Diagram for Lexus IS 250 2009

List of elements for Rear Window Sun Shade Wiring Diagram for Lexus IS 250 2009:

• 2.5l
• 3.5l
• A/t
• A24
• Backup lamp switch (right side of transmission)
• Bkup
• Body ecu
• Computer data lines system
• D12
• D13
• D18
• E49
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Hot at all times
• Ig1d
• Interior lights system
• J/c e2 & e49 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c q33 (left rear wheelwell)
• J/c q35 (left rear wheelwell)
• J/c q57 (left side of trunk)
• J1 (left kick panel)
• J2 (under center console)
• J23
• Left cowl side j/b (left end of dash)
• Lh-ig fuse 10a
• Lh-ig1 relay
• Limit switch
• M/t
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mpxb
• Op02
• Park/ neutral position switch (on transmission)
• Pnk
• Power source control ecu (right side of dash)
• Q2 (left side of trunk)
• Rear sunshade relay (right rear of vehicle)
• Rear sunshade switch
• Red
• Rev
• Right cowl side j/b (right end of dash)
• Sgnd

RADIO

Radio Wiring Diagram (1 of 2) for Lexus IS 250 2009

List of elements for Radio Wiring Diagram (1 of 2) for Lexus IS 250 2009:

• (or red)
• (right side of trunk) p3
• +b2
• +tw
• -tw
• Acc
• Acc fuse 7.5a
• Ant
• Antenna
• Antenna amplifier (center of dash)
• Atx+
• Atx-
• Audio system
• Center speaker
• Ctr+
• Ctr-
• D22
• D27
• Dvd
• Engine room r/b 1 (right rear of engine compt)
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Gnd2
• Hot at all times
• Hot w/ acc relay energized
• Ii1+
• Ii1-
• J/c j27 (left side of dash)
• J23
• J3 (under center console)
• J66
• Left front door woofer speaker
• Left rear door midrange speaker
• Left rear door tweeter
• Left satellite speaker
• Ml+
• Ml-
• Mr+
• Mr-
• Mute
• Navigation system
• Nca
• P21
• P27
• P28
• P29
• P30
• Pnk
• Rad 1 fuse 30a
• Rad 2 fuse 30a
• Rad 3 fuse 10a
• Radio receiver assembly
• Red
• Right cowl side j/b (right end of dash)
• Right rear door midrange speaker
• Right rear door tweeter
• Right satellite speaker
• Rl+
• Rl-
• Rr+
• Rr-
• Sl+
• Sl-
• Sld
• Spd
• Sr+
• Sr-
• Stereo component amplifier (right side of trunk)
• Subwoofer speaker
• Tx+
• Tx-
• W/ 13 speaker audio system
• W/ 14 speaker
• W/ dvd
• Wf1+
• Wf1-
• Wf2+
• Wf2-
• Wfl+
• Wfl-
• Wfr+
• Wfr-

Radio Wiring Diagram (2 of 2) for Lexus IS 250 2009

List of elements for Radio Wiring Diagram (2 of 2) for Lexus IS 250 2009:

• (under center console) j3
• (w/o navigation) integrated control & panel assembly
• +tw
• -tw
• Ali
• Alo
• Ari
• Aro
• Asgn
• Audio system
• Auxi
• Auxo
• Ca1h
• Ca1l
• Computer data lines system
• Gateway ecu (right end of dash)
• Gnd
• Gtx+
• Gtx-
• J24
• J3 (under center console)
• J61
• J62
• J63
• J65
• Left front door midrange
• Left front door tweeter
• Left rear door midrange speaker
• Left rear door tweeter
• Left rear door woofer speaker
• Left switch
• Mode
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Navigation system
• Nca
• Ntsc
• Off hk
• On hk
• Pnk
• Radio receiver assembly
• Red
• Right front door midrange speaker
• Right front door tweeter
• Right front door woofer speaker
• Right rear door midrange speaker
• Right rear door tweeter
• Right rear door woofer speaker
• Right switch
• Seek+
• Seek-
• Sld
• Spiral cable (under steering wheel)
• Steering pad switch
• Stereo jack adapter
• Sw1
• Sw2
• Swg
• Twl+
• Twl-
• Tx+
• Tx-
• Txm+
• Txm-
• Voice
• Vol+
• Vol-
• W/ 13 speaker audio system
• W/ 14 speaker
• W/ dvd
• W/o dvd

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Lexus IS 250 2009

List of elements for Shift Interlock Wiring Diagram for Lexus IS 250 2009:

• +bs
• A/t
• A12
• A2 (left rear of engine compt)
• A29
• Abs 2 fuse 30a
• Brake pedal load sensing switch (left side of dash)
• Canh
• Canl
• Computer data lines system
• D12
• D13
• D29
• Ecu-ig lh fuse 10a
• Engine control module (left front of engine compt)
• Engine room j/b 1 (right rear of engine compt)
• Fsw+
• Hot at all times
• Ig1d
• J/c a29 & j10 (left kick panel)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J10
• Junction connector a20 (left kick panel)
• Junction connector a9 (left side of engine compt)
• Junction connector j70 (right side of dash)
• L10
• Left cowl side j/b (left end of dash)
• Left ig1 relay
• Left ig2 relay
• Lh-ig fuse 10a
• M/t
• Mpx1
• Mpx2
• P position detection switch
• Park/ neutral position switch (on transmission)
• Parking brake switch (left side of dash)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Red
• Right cowl side j/b (right end of dash)
• Shift lock control ecu (under center console)
• Shift lock solenoid
• Skid control ecu w/ actuator (left rear of engine compt)
• Stop lamp switch (left side of dash)
• Stop sw fuse 7.5a
• Stp

Steering Column Wiring Diagram for Lexus IS 250 2009

List of elements for Steering Column Wiring Diagram for Lexus IS 250 2009:

• (under center console) j2
• 25a
• A27
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Id code box (center of dash)
• Ig2
• Ige
• Ign fuse 10a
• Junction connector j71 (right side of dash)
• Lin
• Lin1
• Power source control ecu (right side of dash)
• Red
• Right cowl side j/b (right end of dash)
• Sgnd
• Slp
• Slp1
• Slr+
• Steering lock ecu (steering column)
• Str lock fuse

STARTING/CHARGING

Charging Wiring Diagram for Lexus IS 250 2009

List of elements for Charging Wiring Diagram for Lexus IS 250 2009:

• (or red)
• (right side of dash) power source control ecu
• +ig
• A10
• A24
• A25
• Alt
• Alt fuse 150a
• Alt-s fuse 7.5a
• Battery
• Ca1h
• Ca1l
• Canh
• Canl
• Charge indicator
• Combination meter
• Computer data lines system
• D12
• D13
• Engine control module (left front of engine compt)
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Gateway ecu (right end of dash)
• Gauge fuse 7.5a
• Generator
• Hot at all times
• Hot w/ ig2 relay energized
• Ig1d
• Input circuit
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J34
• J4 (right kick panel)
• Junction connector a8
• Left cowl side j/b (left end of dash)
• Lh- ig1 relay
• Lh-ig fuse 10a
• Micro computer
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Pnk
• Right cowl side j/b (right end of dash)
• Starter

Starting Wiring Diagram for Lexus IS 250 2009

List of elements for Starting Wiring Diagram for Lexus IS 250 2009:

• A2 (left rear of engine compt)
• A29
• Accr
• Battery
• Clutch start switch (m/t) (left side of dash)
• Ctsw
• Engine control module (left front of engine compt)
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Ig2 relay
• Ig2d
• J/c a29 & j10 (left kick panel)
• J10
• J4 (right kick panel)
• Junction connector a7 & a8
• Ksw
• Park/neutral position switch (a/t) (on transmission)
• Power distribution system
• Power source control ecu (right side of dash)
• Red
• Sksw
• St cut relay
• Sta
• Star
• Starter
• Starter fuse 30a
• Starter relay
• Str1
• Str2
• Stsw

SUPPLEMENTAL RESTRAINTS

Pre-Collision Wiring Diagram for Lexus IS 250 2009

List of elements for Pre-Collision Wiring Diagram for Lexus IS 250 2009:

• (left rear wheelwell) j/c q36
• A10
• A25
• Can h
• Can l
• Combination meter
• Computer data lines system
• D14
• Distance control ecu (left side of dash)
• Ecu- ig rh fuse 10a
• Gauge fuse 7.5a
• Hot at all times
• Hot w/ ig 2 relay energized
• Hot w/ rh ig 1 relay energized
• Ig+
• Ig1
• Igb
• Input circuit
• J/c j27 (left side of dash)
• J16
• J34
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Left front seat outer belt motor
• Lrdd
• Lrrd
• Micro computer
• Millimeter wave radar sensor (front of vehicle)
• Mol+
• Mol-
• Mor+
• Mor-
• Mpx+
• Mpx-
• Pcs ind
• Pgnd
• Pnk
• Psb fuse 30a
• Q2 (left side of trunk)
• Q58
• Q59
• Red
• Right cowl side j/b (right end of dash)
• Right front seat outer belt motor (right "b" pillar)
• Seat belt control ecu (left side of trunk)
• Skid control ecu w/ actuator (left rear of engine compt)

Supplemental Restraint Wiring Diagram (1 of 3) for Lexus IS 250 2009

List of elements for Supplemental Restraint Wiring Diagram (1 of 3) for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• (right end of dash) right cowl side j/b
• (right side of dash) power source control ecu
• (under center console) j2
• +sl
• +sr
• -sl
• -sr
• A23
• A25
• Air bag sensor assembly center (under center console)
• Air bag sensor seat position
• Bbl+
• Bbl-
• Bcd+
• Bcd-
• Bcl+
• Bcl-
• Bcp+
• Bcp-
• Body ecu
• Buckle switch
• Canh
• Canl
• Case gnd
• Computer data lines system
• D12
• D14
• D2+
• D2-
• Dbe+
• Dbe-
• Dk+
• Dk-
• Dsp+
• Dsp-
• Ecu-ig rh fuse 10a
• Fsp+
• Fsp-
• Gauge fuse 7.5a
• Gsw
• Hot at all times
• Hot w/ ig2 relay energized
• Icd+
• Icd-
• Icp+
• Icp-
• Ig1d
• Ig2
• Ign fuse 10a
• J21
• J26
• J4 (right kick panel)
• J47
• J75
• Left curtain shield air bag squib (left roof rail)
• Left front pretensioner (left "b" pillar)
• Left front seat inner belt
• Left front side air bag sensor (left "b" pillar)
• Left front side air bag squib
• Left rear pretensioner (left "c" pillar)
• Left rear side air bag sensor (left "c" pillar)
• Mpx1
• Mpx2
• P14
• P2+
• P2-
• Pd+
• Pd-
• Pdr+
• Pdr-
• Pk+
• Pk-
• Pnk
• Pp+
• Pp-
• Ppr+
• Ppr-
• Q32
• Red
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Sfd+
• Sfd-
• Sfp+
• Sfp-
• Sil

Supplemental Restraint Wiring Diagram (2 of 3) for Lexus IS 250 2009

List of elements for Supplemental Restraint Wiring Diagram (2 of 3) for Lexus IS 250 2009:

• (left front of engine compt) engine control module
• (left side of dash) driver's side knee air bag squib
• (left side of dash) j/c j27
• (left side of radiator) left front air bag sensor
• (right end of dash) gateway ecu
• (right side of crossmember) p1
• (right side of dash) air bag squib (front passenger's air bag assembly)
• (right side of dash) front passenger's side knee air bag squib
• (right side of radiator) right front air bag sensor
• +sl
• +sr
• -sl
• -sr
• Bbr+
• Bbr-
• Bcr+
• Bcr-
• Buckle switch
• Ca1h
• Ca1l
• Canh
• Canl
• Clock assembly
• Computer data lines system
• Gbt
• Ig+
• Integration control & panel assembly pbew
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Occupant classification ecu
• Occupant classification sensor
• Pbew
• Pnk
• Power seat
• Red
• Right curtain shield air bag squib (right roof rail)
• Right front pretensioner (right "b" pillar)
• Right front seat inner belt (w/ occupant classification system & w/o power seat) (under front passenger's seat)
• Right front side air bag sensor (right "b" pillar)
• Right front side air bag squib
• Right rear pretensioner (right "c" pillar)
• Right rear side air bag sensor (right "c" pillar)
• Seat belt tension sensor (base of right "b" pillar)
• Spiral cable
• Steering wheel pad air bag squib
• Vbt
• W/ navigation system
• W/ occupant classification system &
• W/ occupant classification system & w/o power seat
• W/o navigation system

Supplemental Restraint Wiring Diagram (3 of 3) for Lexus IS 250 2009

List of elements for Supplemental Restraint Wiring Diagram (3 of 3) for Lexus IS 250 2009:

• (left rear of engine compt) skid control ecu w/ actuator
• +ig
• Anti-lock brakes system
• Bgnd
• Bsw
• Buckle switch
• Canh
• Canl
• Combination meter
• Computer data lines system
• D12
• D13
• D29
• Dia
• Distance control ecu (left side
• Ecu-ig lh fuse 10a
• Fsr+
• Fsr-
• Gbt
• Gnd
• Gps
• Hot at all times
• Igb
• Input circuit
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J34
• J35
• Left cowl side j/b (left end of dash)
• Lh-ig2 relay
• Lrdd
• Lrrd
• Micro computer
• Millimeter wave radar sensor (front of vehicle)
• Mpx+
• Mpx-
• Occupant classification ecu (w/ occupant classification system & power seat) (under front passenger's seat)
• Occupant classification sensor (under front passenger's seat)
• Of dash)
• P1 (right side of crossmember)
• Pblt
• Pnk
• Red
• Right front seat inner belt (under front passenger's seat)
• Seat belt tension sensor (base of right "b" pillar)
• Srs ind
• Steering sensor (on steering column)
• Vbt
• Vps
• Vsc warning buzzer (left side of dash)
• Yaw rate sensor (under center console)

TRANSMISSION

4WD Wiring Diagram for Lexus IS 250 2009

List of elements for 4WD Wiring Diagram for Lexus IS 250 2009:

• (behind right kick panel) j/c a33 & j80
• (right end of dash) right cowl panel j/b
• (right kick panel) j4
• 4wd control ecu (right kick panel)
• A10
• A24
• A25
• A33
• Canh
• Canl
• Circuit
• Combination meter
• Computer data lines system
• D14
• Dome+b
• E54
• Ecu-ig rh fuse 10a
• Electronically controlled transmission solenoid (on transmission)
• Engine room r/b 1 (right rear of engine compt)
• Free
• Gauge fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ ig 2 relay energized
• Ig+
• Ig1
• Ig1d
• Ind master
• Ind slip
• Input circuit
• J/c j27 (left side of dash)
• J34
• J4 (right kick panel)
• J80
• Micro computer
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh ig1 relay
• Right cowl side j/b (right end of dash)
• Skid control ecu w/ actuator (left rear of engine compt)
• Slc+
• Slc-
• Sp1
• Speedometer

A/T Wiring Diagram (1 of 3) for Lexus IS 250 2009

List of elements for A/T Wiring Diagram (1 of 3) for Lexus IS 250 2009:

• (left side of engine compt)
• +b1
• A10
• A2 (left rear of engine compt)
• A24
• A25
• Accelerator position sensor (left side of dash)
• Batt
• Canh
• Canl
• Computer data lines system
• D12
• D13
• E1 (left rear of engine)
• Efi 2 fuse 10a
• Efi fuse 25a
• Efi main relay
• Engine control module (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 pnk
• Epa
• Epa2
• Etcs fuse 10a
• Gauge fuse 7.5a
• Hot at all times
• Hot w/ ig 2 relay energized
• Ig1d
• Ign fuse 10a
• J/c a10 & e1 (j/c e1: left side of engine compt)
• J/c a7 & a8
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J24
• J4 (right kick panel)
• Left paddle shift switch
• Mrel
• Paddle shift switch
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh ig fuse 7.5a
• Rh ig1 relay
• Right cowl side j/b (right end of dash)
• Sftd
• Sftu
• Shift switch right paddle
• Spd
• Spiral cable (under steering wheel)
• St1-
• Sta
• Starting/charging system
• Steering pad switch
• Stop lamp switch (left side of dash)
• Stop sw fuse 7.5a
• Stp
• Tach
• Transmission control switch
• Vcp2
• Vcpa
• Vpa
• Vpa2

A/T Wiring Diagram (2 of 3) for Lexus IS 250 2009

List of elements for A/T Wiring Diagram (2 of 3) for Lexus IS 250 2009:

• (left front of engine compt) engine control module
• (left rear of engine compt) skid control ecu w/ actuator
• (left side of engine compt) j/c e49
• (right end of dash) gateway ecu
• +bm
• A10
• A29
• A33
• Ca1h
• Ca1l
• Canh
• Canl
• Combination meter
• Computer data lines system
• E01
• E02
• E03
• E1 (left rear of engine)
• E2 (right rear of engine)
• E2g
• Engine room r/b 1 (right rear of engine compt)
• Ge01
• Hot at all times
• Ig 2 or dome +b
• Ig+
• Input circuit
• J/c a10 & e1 (j/c e1: left side of engine compt)
• J/c a29 & j10 (left kick panel)
• J/c a33 & j80 (behind right kick panel)
• J10
• J34
• J4 (right kick panel)
• J80
• Mass air flow meter (right side of engine compt)
• Me01
• Micro computer
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Nca
• Pnk
• Pwr ind ect
• Red
• Right cowl side j/b (right end of dash)
• Snow ind ect
• Sp1
• Speedometer
• Tachometer p
• Tha
• Throttle body assembly
• Thw
• Vc2
• Vta1
• Vta2

A/T Wiring Diagram (3 of 3) for Lexus IS 250 2009

List of elements for A/T Wiring Diagram (3 of 3) for Lexus IS 250 2009:

• (left rear 0f engine) e1
• (left side of engine compt) j/c e1
• (rear of engine) engine coolant temperature sensor
• 4wd circuit
• A30
• Body ecu
• Computer data lines system
• D13
• E47
• E54
• Electronically controlled transmission pattern select switch
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (left front of engine compt)
• Eoil
• Hot at all times
• Interior lights system
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J75
• Left cowl side j/b (left end of dash)
• Lh ig1 relay
• Lh-ig fuse 10a
• Mpx1
• Mpx2
• Nt+
• Nt-
• Oil
• Park/neutral position switch (on transmission)
• Pnk
• Pwr
• Red
• Right cowl side j/b (right end of dash)
• Sl1+
• Sl1+ red
• Sl1-
• Sl2+
• Sl2-
• Slc red
• Slt+
• Slt-
• Slu+
• Slu-
• Snow
• Sp2+
• Sp2-
• Star
• Starting/ charging system
• Starting/charging system
• Transmission revolution sensor (counter gear) (rear of transmission)
• Transmission revolution sensor (turbine) (front of transmission)

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250 2009

List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250 2009:

• (right side of dash) j/c j71
• A24
• A28
• A30
• Becu
• Body ecu
• Computer data lines system
• Courtesy
• D11
• D17
• D18
• Door lock assembly (luggage)
• Engine room r/b 1 (right rear of engine compt)
• Fuel lid
• Fuel lid opener motor (left rear of vehicle)
• Fuel opn fuse 10a
• Gnd
• Gnd1
• Gnd2
• Hot at all times
• Interior lights system
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J/c q36 (left rear wheelwell)
• J1 (left kick panel)
• J2 (under center console)
• J21
• J4 (right kick panel)
• J74
• J75
• Left cowl side j/b (left end of dash)
• Lgcy
• Lkul
• Lpsw
• Luggage
• Luggage compartment door lock cylinder
• Luggage compartment door opener switch
• Luggage compartment door opener switch (main)
• Luggage electrical key switch (center rear of trunk)
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Mpxb
• Pnk
• Q2 (left side of trunk)
• Red
• Right cowl side j/b (right end of dash)
• Sgnd
• Tkul
• Tr+
• Tsw

WARNING SYSTEMS

Seat Belt Warning Wiring Diagram for Lexus IS 250 2009

List of elements for Seat Belt Warning Wiring Diagram for Lexus IS 250 2009:

• (left "b" pillar) left front door courtesy switch
• (left kick panel) j1
• (right side of crossmember)
• (right side of dash) power source control ecu
• (under front passenger's seat) occupant classification sensor
• (under front passenger's seat) right front seat inner belt
• A/c amplifier (center of dash)
• A10
• A20
• A24
• A25
• A27
• Air bag sensor assembly center (under center console)
• Bgnd
• Body ecu
• Bsw
• Buckle switch
• Ca1h
• Ca1l
• Canh
• Canl
• Clock assembly
• Combination meter
• Computer data lines system
• D12
• D14
• Dbe+
• Dbe-
• Dcty
• Door ind
• Driver's seat belt indicator
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Front passenger's seat belt warning lamp
• Fsp+
• Fsp-
• Fsr+
• Fsr-
• Gateway ecu (right end of dash)
• Gauge fuse 7.5a
• Gps
• Headlamp swivel ecu (left kick panel)
• Hot at all times
• Hot w/ ig2 relay energized
• Ig+
• Ig1d
• Ig2 or dome+b
• Input circuit
• Integrated control & panel assembly
• J/c j27 (left side of dash)
• J/c t11 (front passenger's seat)
• J21
• J34
• J35
• J4 (right kick panel)
• J47
• J58
• J75
• Left cowl side j/b (left end of dash)
• Left front seat inner belt
• Micro computer
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Occupant classification ecu
• Occupant classification ecu (w/ occupant classification system & power seat) (under front passenger's seat)
• Occupant classification sensor
• Occupant detection sensor
• P/sb
• P14
• Passive restraint system
• Pbew
• Pblt
• Pnk
• Q32
• Red
• Rh-ig1 relay
• Right cowl side j/b (right end of dash)
• Right front seat inner belt (w/o occupant classification system) (under front passenger's seat)
• Right front seat inner belt assembly
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1
• T18
• Tire pressure warning ecu (if equipped) (center of dash)
• Vps
• W/ navigation
• W/ occupant classification system & power seat
• W/o navigation
• W/o occupant classification system & power seat

Tire Pressure Monitoring Wiring Diagram for Lexus IS 250 2009

List of elements for Tire Pressure Monitoring Wiring Diagram for Lexus IS 250 2009:

• (right side of dash) power source control ecu
• +ig
• A/c amplifier (center of dash)
• A10
• A24
• A25
• A27
• Anfr
• Anrl
• Ant2
• Ant3
• Clsw
• Combination meter
• Computer data lines system
• D12
• D13
• D29
• Ecu-ig lh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Gateway ecu (right end of dash)
• Gauge fuse 7.5a
• Gnd
• Gtx+
• Gtx-
• Headlamp swivel ecu (left kick panel)
• Hot at all times
• Hot w/ ig2 relay energized
• Idsw
• Ig1d
• Ig2 or dome+b
• Input circuit
• Int
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J34
• J35
• J4 (right kick panel)
• J58
• Left cowl side j/b (left end of dash)
• Lh-ig2 relay
• Lsel
• Lsft
• Master indicator
• Micro computer
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Pnk
• Right cowl side j/b (right end of dash)
• Rsel
• Satellite switch
• Set
• Skid control ecu w/ actuator (left rear of engine compt)
• Sp1
• Tire pressure indicator
• Tire pressure warning antenna (left rear) (left rear wheelwell)
• Tire pressure warning antenna (right front) (right front wheelwell)
• Tire pressure warning ecu (center of dash)

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Lexus IS 250 2009

List of elements for Front Wiper/Washer Wiring Diagram for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• (left kick panel) j1
• A1 (left rear of engine j/c a15
• A10
• A2 (left rear of engine compt)
• A24
• A25
• A30
• Auto
• Body ecu
• Circuit input
• Combination meter
• Compt)
• Computer data lines system
• D11
• D12
• D13
• D14
• D29
• Ecu-ig lh fuse 10a
• Ecu-ig rh fuse 10a
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Et ill+
• Fr wip fuse 30a
• Front controller
• Gauge fuse 7.5a
• Gnd
• Gnd2
• Head
• Headlamp washer circuit
• High
• Hot at all times
• Hot w/ ig 2 relay energized
• Hot w/ lh-ig 1 relay energized
• Ig+
• Ig1d
• Ig2
• Int
• Int off
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c j71 (right side of dash)
• J/c j80 (right kick panel)
• J1 (left kick panel)
• J2 (under center console)
• J26
• J34
• J4 (right kick panel)
• Left cowl side j/b (left end of dash)
• Lh-ig 2 relay
• Light control rheostat
• Low
• Micro computer
• Mist
• Mpx
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Off
• Overhead j/b (w/ auto wiper) (front center of roof)
• Pnk
• Power source control ecu (right side of dash)
• Rain sensor
• Rh-ig 1 relay
• Right cowl side j/b (right end of dash)
• S/m
• S/s
• Sig
• Sw 5v
• Switch washer
• W/ auto wiper
• W/o auto wiper
• Wash relay
• Washer fuse 20a
• Wig
• Windshield washer motor (below left headlight)
• Windshield wiper motor (lower left side of windshield)
• Windshield wiper switch assembly
• Wiper switch

Headlamp Washer Wiring Diagram for Lexus IS 250 2009

List of elements for Headlamp Washer Wiring Diagram for Lexus IS 250 2009:

• (left end of dash) left cowl side j/b
• (right end of dash) right cowl side j/b
• (right rear of engine compt) engine room r/b 1
• A2 (left rear of engine compt)
• A33
• A36
• Auto
• Body ecu
• Computer data lines system
• D12
• D13
• D14
• Ecu-ig rh fuse 10a
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Front controller
• Frwa
• H-lp cln fuse 30a
• Hdlo
• Head
• Head- lamp relay
• Headlamp cleaner control relay (below left headlight)
• Headlamp cleaner motor (below left headlight)
• Headlamp cleaner switch
• Headlamp dimmer switch assembly
• Headlights system
• Hot at all times
• Hrly
• Ig1d
• Interior lights system
• J/c a33 & j80 (right kick panel)
• J/c a8
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J2 (under center console)
• J26
• J4 (right kick panel)
• J74
• J80
• Left cowl side j/b (left end of dash)
• Lh ig fuse 10a
• Lh- ig 1 relay
• Light control switch
• Main fuse 30a
• Mpx1
• Mpx2
• Off
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh-ig1 relay
• Tail
• Wash relay
• Washer fuse 20a
• Washer switch
• Windshield washer motor (below left headlight)
• Windshield wiper switch assembly