All Wiring Diagrams for Lexus IS 250 F Sport 2011

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011:

(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
Automatic light control sensor (left side of dash)
B1 (right front of engine compt)
Ba2
Ba3
Bllh
Blrh
Blw
Computer data lines system
Cut +
D12
D13
D29
Defogger system
Dgs
Dgs1
Ecu-ig lh fuse 10a
Gnd
Hot at all times
Htr1
Htr2
Ig+
Ig1d
J/c a33 & j80 (right a33 kick panel)
J/c a7 & a8 (left side of engine compt)
J/c j70 (right side of dash)
J1 (left kick panel)
J58
J59
J80
Ja3
Ja4
Jk1
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Lh-ig1 relay
Lh-ig2 relay
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+
Solar sensor
Svs5
Svsg
Sw4
Sw5
Tsd
Tsl
Tsp
Tsr

Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011:

2.5l
3.5l
A4 (right rear of engine compt)
Acmg
Ambient temperature sensor (left center of front bumper fascia)
Ab1
Ba2
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)
Ea1
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 (left side of engine compt)
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
Ja3
Lck1
Mpi1
Mpi2
Nca
Ne+
Ne-
Pnk
Red
Tam
Thw

Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011:

(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)
Ae1
B bus
B2 (left front of engine compt)
Ba1
Bus
Bus g
Connector housing color (black)
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 (left side of engine compt)
J/c a9 (left side of engine compt)
Lock sensor
Magnetic clutch
Red

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(left rear of engine compt) a2
+bs
A/t
A12
A24
A25
A3 (left rear of engine compt)
A33
Abs 1 fuse 50a
Abs 2 fuse 30a
Ap1
Brake pedal load sensing switch (left side of dash)
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+
Gauge fuse 7.5a
Gnd1
Gnd2
Hot at all times
Hot w/ ig2 relay energized
Ig1
Ig1d
Interior lights system
J/c a15 (left rear corner of engine compt)
J/c a20 (left end of dash)
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
Ja3
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 (m/t: under center console) (a/t: left side of dash)
Pkb
Pnk
Power source control ecu (right side of dash)
Qa1
Red
Rh- 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
Ua1
Wa1
Xp1
Yq1

Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(a/t)
(left kick panel)
(right side of dash) j/c j70
4wd control ecu (if equipped) (right kick panel)
A10
A29
Abs ind
Ae1
All times
Bat
Brake ind
Brk-lp relay
Canh
Canl
Combination meter
Computer data lines system
D12
D13
D29
Ecu-ig lh fuse 10a
Engine control module (left front of engine compt)
Engine room r/b 2 (left side of engine compt)
Ess
Gnd
Headlamp leveling ecu assembly (left kick panel)
Hot at
Hot at all times
Ig+
Ig2 or dome +b
Ind master
Input circuit
J/c a29 & j10 (left kick panel)
J/c a7 & a8 (left side of eng compt)
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)
Ja3
Left cowl side j/b (left end of dash)
Lh- ig1 relay
Lh- ig2 relay
Lh-ig fuse 10a
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
Slip off ind
Spdl
Spdr
Steering sensor (on steering column)
Stop lamp control relay (a/t) (left side of dash)
Stop lamp switch (left side of dash)
Stp
Yaw rate sensor (under center console)

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (1 of 7) for Lexus IS 250 F Sport 2011:

Act+
Act-
Actd
Altb
Batb
Body ecu
Computer data lines system
Cpub
D24
Fr door rh fuse 20a
Gsw
Hot at all times
Hrly
J/c a33 (right kick panel)
J/c q36 (left rear wheelwell)
J10
J17
J21
J74
J75
Jp2
Jq1
Kul
Left front door lock assembly (driver's door)
Left rear door lock assembly (left rear door)
Lgcy
Lock key
Lp1
Lp2
Lssr
Lsw
Lswl
Lswp
Lswr
Mpx1
Mpx2
Mq1
Mq2
Np1
Oq1
P1 (right side of crossmember)
Pnk
Power window master switch
Pq1
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

Forced Entry Wiring Diagram (2 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (2 of 7) for Lexus IS 250 F Sport 2011:

(right end of dash) right cowl side j/b
A11
A36
Body ecu
Bzr
Courtesy
D11
D17
Dcty
Display & navigation module display
Dome lamp
Door
Door lock control switch
Gnd1
Gnd2
Haz
Ill+
Ind
Integrated control & panel assembly
J/c a15 (left rear corner of engine compt)
J/c j27 (left side of dash)
J/c j71 (right side of dash)
J/c j80 (right kick panel)
J100
J103
J2 (under center console)
J4 (right kick panel)
J74
J75
Jp2
Jq1
Jr2
Lcty
Left front door courtesy switch (left "b" pillar)
Left rear door courtesy switch (left "c" pillar)
Lock
Luggage door lock assembly
Overhead j/b (front center of roof)
P1 (right side of crossmember)
Pcty
Pq2
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)
Security indicator lamp
Seuc
Un lock
W/ navigation
W/o navigation
Wireless door lock buzzer (inside left front wheelwell)

Forced Entry Wiring Diagram (3 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (3 of 7) for Lexus IS 250 F Sport 2011:

A29
A30
Bdcy
Body ecu
Computer data lines system
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
Headlights system
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)
Jq1
Jr2
L12
L14
Lcty
Left cowl side j/b (left end of dash)
Left outer rear view mirror
Lgcy
Lkul
Lp1
Lp2
Lpsw
Luggage compartment door lock cylinder
Luggage electrical key switch (center rear of trunk)
M11
M15
Main fuse 30a
Mpx1
Mpx2
Mq1
P24
P25
Pnk
Pq2
Q2 (left side of trunk)
Q33
Q34
Qa1
Right outer rear view mirror
Sgnd
Turn signal flasher (left side of dash)
W/ memory
W/o memory
W/o navigation

Forced Entry Wiring Diagram (4 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (4 of 7) for Lexus IS 250 F Sport 2011:

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+
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)
Gsw
Horn (high) (front of radiator)
Horn (low) (front of radiator)
Horn fuse 10a
Horn relay
Hot at all times
J34
J47
Ja3
Left front seat inner belt
Mpd1
Mpd2
Mpi1
Mpi2
Mpx+
Mpx-
Mpx-b fuse 10a
Q32
Red
Skid control ecu w/ actuator (left rear of engine compt)
Sp1

Forced Entry Wiring Diagram (5 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (5 of 7) for Lexus IS 250 F Sport 2011:

A24
Acc
Acc fuse 7.5a
Ae1
Ant1
Ant2
Becu
Body ecu
Clg
Clgb
D12
D13
D18
Data
Door control receiver (right rear of vehicle)
Ecu- ig rh fuse 10a
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
Lp1
Lp2
Ln1
Mq2
Mo1
P1 (right side of crossmember)
P2 (right rear of vehicle)
P24
P25
Park/ neutral position switch (a/t) (on transmission)
Pnk
Pq2
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-

Forced Entry Wiring Diagram (6 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (6 of 7) for Lexus IS 250 F Sport 2011:

(right side of trunk) certification ecu
(under center console) console electrical key oscillator
+b1
Acc
Agnd
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)
Jp2
Lin
Lp1
Ln1
Mpx1
Mpx2
Mq2
Mo1
Outside luggage room electrical key oscillator (right side of trunk)
P1 (right side of crossmember)
Pnk
Power switch
Pq2
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

Forced Entry Wiring Diagram (7 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Forced Entry Wiring Diagram (7 of 7) for Lexus IS 250 F Sport 2011:

(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)
Ja3
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

BODY CONTROL MODULES

Body ECU Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Body ECU Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(left side of dash) j/c j27
(or pnk)
(right kick panel) j4
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
Certification ecu (right side of trunk)
Cltb
Clte
Clts
D17
Data link connector 3 (left side of dash)
Dcm (telematics transceiver) (w/ lexus enform or safety connect) (right 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
Hot at all times
Hot in on or acc
Hot in on or start
Hrly
Ind
Instrument cluster system
Interior lights system
J/c j80 (right kick panel)
J/c p24 & p25 (right side of trunk)
J10
J114
J21
J47
J74
J75
Jp2
L10
Lcty
Lgcy
Lp1
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
Pt2
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 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 F Sport 2011

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List of elements for Body ECU Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

A15
A16
A19
A30
Back
Bdcy
Bkup
Body ecu (left end of dash)
Combination meter
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
Interior lights system
J/c j27 (left side of dash)
J1 (left kick panel)
J2 (under center console)
J23
J34
Lcty
Left cowl side j/b (left end of dash)
Lgcy
Lh-ig fuse 10a
Lkul
Lpsw
Mpx1
Mpx2
Mpxb
Mq1
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 F Sport 2011

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List of elements for Front Controller Wiring Diagram for Lexus IS 250 F Sport 2011:

(except hid)
(hid type)
(hid)
20a
A2 (left rear of engine compt)
Body ecu circuit
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
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)
Jr2
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
Mq1
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/ memory
Wiper/washer system

Integration Control and Panel Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Integration Control and Panel Wiring Diagram for Lexus IS 250 F Sport 2011:

A24
Acc
Acc fuse 7.5a
Anti-theft system
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
Hot in on or acc
Hot in on or start
Ig+
Ill+
Ill-
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
P-ab
Paon
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 F Sport 2011

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List of elements for Data Link Connector Wiring Diagram for Lexus IS 250 F Sport 2011:

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
Data link connector 3 (left side of dash)
Dcm (telematics transceiver) (w/ lexus enform or safety connect) (right side of dash)
Dia
Display & navigation module display (if equipped)
E1 (left rear of engine)
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 (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)
J100
J34
J47
J74
J80
Ja3
Ja4
Jp2
L10
Left cowl side j/b (left end of dash)
Obd fuse 7.5a
Obd2
Occupant classification ecu (under front passenger's seat)
Opa
Pt2
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 F Sport 2011

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List of elements for High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011:

(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
D15
Data link connector (dlc) 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-
Hot at all times
Hot w/ acc relay energized
Input circuit
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
Ja3
Ja4
Jq1
Left cowl side j/b (left end of dash)
Left rear power window regulator motor (left rear door)
Lin
Lin1
Lp1
Lp2
Micro computer
Mpd1
Mpd2
Mpi1
Mpi2
Mpx+
Mpx-
Mpx-b fuse 10a
Mpx1
Mpx2
Mq1
Np1
Oq1
P24
P25
Pnk
Power window master switch
Red
Rh- ig1 relay
Right cowl side j/b (right end of dash)
Right front power window regulator motor (front passenger's door)
Right rear power window regulator motor (right rear door)
Sil
Tire pressure warning ecu (center of dash)
W/ tire pressure warning system
W/o tire pressure warning system

High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011

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List of elements for High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011:

(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
4wd control ecu (if equipped) (right kick panel)
A31
Canh
Canl
Display & navigation module display (if equipped)
Ig1d
J/c j1, j2, j4, j5, j6, j7, & j8 (left kick panel)
J/c j81, j82, j84, j116 & j86 (right kick panel)
J100
J116
J26
J81
J82
J84
J86
Ja4
L10
Mpx1
Mpx2
Mq2
Pnk
Power steering ecu (right rear of engine compt)
Power window master switch
Pq2
Red
Windshield wiper switch assembly

High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011

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List of elements for High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011:

(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
Display & navigation module display
Engine control module (left front of engine compt)
Engine room j/b 2 (left side of engine compt)
Front controller
Integration control & panel assembly
J/c q7 & u1 (under driver's seat)
J102
J104
J108
J111
J112
J113
J47
J65
J66
Ja3
Jp1
Jr2
Left cowl side j/b (left end of dash)
Left front seat position control ecu & switch (w/ memory) (under driver's seat)
Lh-ig2 relay
M10
Mpx
Mpx1
Mpx2
Mq1
Multi-media display interface ecu (lower right side of dash)
Overhead j/b (front center of roof)
P30
Pnk
Radio receiver assembly
Rain sensor (w/ auto wiper) (front center of roof at windshield)
Red
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 (w/o navigation) (right side of trunk)
Tx+
Tx-
Tx1+
Tx1-
Tx2+
Tx2-
Txm+
Txm-
W/ navigation
W/o navigation
Yaw rate sensor (under center console)

COOLING FAN

Cooling Fan Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Cooling Fan Wiring Diagram for Lexus IS 250 F Sport 2011:

(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)
Ba1
Ba3
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 (left side of a7 engine compt)
J/c a7 & a8 (left side of engine compt)
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)
J58
J84
Ja3
Ja4
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Lh-ig1 relay
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 (1 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Cruise Control Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011:

(left kick panel) j/c a29
(left side of engine compt) j/c a10 & e1
+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 clutch switch (left side of dash)
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)
Ja3
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 (2 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Cruise Control Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011:

+bm
A10
A33
Ae1
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 (left side of engine compt)
J/c a33 & j80 (right kick panel)
J/c a7 & a8 (left side of engine compt)
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 (3 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Cruise Control Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011:

(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)
Ap1
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)
Ja3
Mpi1
Mpi2
Oil
Park/neutral position switch (a/t) (on transmission)
Pnk
Qa1
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
Va1
Wa1
Xp1
Yq1

DEFOGGERS

Front Deicer Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Front Deicer Wiring Diagram for Lexus IS 250 F Sport 2011:

D13
Deicer fuse 25a
Deicer relay
Engine room r/b 2 (left side of engine compt)
Engine room r/b 3 (left rear of engine compt)
Front wiper deicer (left rear corner of engine compt)
Front wiper deicer switch
Hot at all times
Hot in on or start
Ill+
Ill-
Interior lights system
J/c a15 (left rear corner of engine compt)
J/c j70 (right side of dash)
J1 (left kick panel)
Ja3
Ja4
Left cowl side j/b (left end of dash)
Red
Rh-ig fuse 7.5a
Right cowl side j/b (right end of dash)

Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250 F Sport 2011:

A/c amplifier (center of dash)
A/c fuse 7.5a
A11
A27
Ap2
D12
D13
D29
Defog fuse 50a
Defog relay
Defogger noise filter
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
Ig+
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
Ja3
Jq1
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
Lp2
M15
Mhtr
Mir htr fuse 15a
Mirror heater
Mirror heater relay (left rear of vehicle)
Mq1
Noise filter
P1 (right side of crossmember)
P19
P2 (right rear of vehicle)
Pnk
Power source control ecu (right side of dash)
Pq1
Pq2
Q1 (left "b" pillar)
Q21
Q33
Q34
Rdfg
Rear window defogger
Rear window defogger switch
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 F Sport 2011

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List of elements for Electronic Power Steering Wiring Diagram for Lexus IS 250 F Sport 2011:

A10
A24
A25
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
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
Pgnd
Pig
Pnk
Power steering ecu (right rear of engine compt)
Power steering ind
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
Steering sensor (on steering column)
Tqg1
Tqg2
Trqv

Power Tilt Steering Column Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Power Tilt Steering Column Wiring Diagram for Lexus IS 250 F Sport 2011:

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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 F Sport 2011:

(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
Ba2
Batt
C/opn relay
Canh
Canl
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
Ja3
Ksw
Mpmp
Mrel
Nca
O1b-
O2b-
Ox1b
Ox2b
Pnk
Power source control ecu (right side of dash)
Ppmp
Qa1
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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250 F Sport 2011:

(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
(left side of engine compt) j/c a7 & a8
(right side of engine compt) fuel pump resistor
2wd
4wd
A2 (left rear of engine compt)
A29
Ae1
Ba2
Canister pressure sensor
Canister pump assembly (usa) (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 a9 (left side of engine compt)
J10
Jq1
Leak detection pump
Nca
Pnk
Pump
Q1 (left "b" pillar)
Qa1
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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250 F Sport 2011:

(right end of dash) right cowl side j/b
+bm
A10
A24
A25
Ae1
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)
Ja3
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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250 F Sport 2011:

(a/t)
(left side of dash) j/c j27
(m/t)
A/t
A10
Ae1
Body ecu (right end 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 (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 (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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250 F Sport 2011:

(rear of engine) engine coolant temperature sensor
A/f fuse 15a
A/f relay
Ae1
E2 (right rear of engine)
Engine room j/b 2 (left side of engine compt)
Engine room r/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
Pnk
Red
Throttle body assembly
Ze1
Ze2

2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 F Sport 2011:

(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 & 6: 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
Eg1
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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250 F Sport 2011:

(left rear of engine) cold start fuel injector
(on transmission) park/neutral position switch
A1a+
A1a-
A2a+
A2a-
Ae1
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 F Sport 2011

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List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250 F Sport 2011:

(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
E47
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
Ze1

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Backup Lamps Wiring Diagram for Lexus IS 250 F Sport 2011:

(2.5l)
(3.5l)
A/t
A24
Ae1
Backup lamp switch (right side of transmission)
Backup light
Bkup
Body ecu
D n
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
Qa1
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 F Sport 2011

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List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011:

(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
D18
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
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
Ja3
Ja4
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
Mq1
Mq2
Off
Power source control ecu (right side of dash)
Power window master switch
Pq2
Red
Rh turn ind
Right cowl side j/b (right end of dash)
Switch hazard
Tail
Tail ind (except usa)
Tire pressure warning ecu (if equipped) (center of dash)
Turn switch
W/ navigation
W/ tire pressure warning 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 F Sport 2011

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List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011:

(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)
Ba2
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
G11
Gnd1
Haz
Hot at all times
Hot in on or acc
Hot in on or start
Interior lights system
J/c p24 & p25 (right side of trunk)
J1 (left kick panel)
J14
J17 red
J4 (right kick panel)
J74
J75
Jk1
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
Light turn
M10
Marker
Mpx-b fuse 10a
Mpx1
Mpx2
P24
Parking
Parking/ daytime running light
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+
Trn1
Turn
Turn light
Turn signal flasher (left side of dash)
Turn- haz fuse 15a
W/ hid type
W/ hid type & drl
W/ seat position memory
W/o drl
W/o drl & w/ hid type
W/o hid type
W/o seat position memory

Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011:

(left kick panel) j1
(left side of dash) stop lamp control relay
(left side of engine compt) (a/t) j/c a7 & a8
A/t
A29
Backup
Backup lamps circuit
Brk- lp relay (a/t)
Canh
Canl
Center stop lamp
Computer data lines system
Engine control module (left front of engine compt)
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
J/c a29 & j10 (left kick panel)
J/c j27 (left side of dash)
J/c q33 & q34 (left rear wheelwell)
J10
J24
Ja3
L14
Left cowl side j/b (left end of dash)
Left license plate lamp
Left rear combination lamp
Lh j/b- am fuse 80a
Lp2
M/t
Marker ind
Noise filter (stop lamp) (left rear wheelwell)
Out
P1 (right side of crossmember)
Pnk
Power source control ecu (right side of dash)
Q33
Q34
Q34 red
Q40
Q46
Q50
Q51
Qa1
Red
Right cowl side j/b (right end of dash)
Right license plate lamp
Right outer mirror control ecu (right l10 front door)
Right outer rear view mirror
Right rear combination lamp
Shift lock control ecu (under center console)
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+
Trn1
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 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 250 F Sport 2011:

(if equipped) headlamp cleaner control relay
3.5l
A/c compressor
A/f relay
A1 (left rear of engine compt)
A2 (left rear of engine compt)
A3 (left rear of engine compt)
A31
A4 (right rear of engine compt)
A5 (right rear of engine compt)
Ae1
Ab1
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
Front wiper deicer
Headlight leveling ecc assembly
Ig2 relay
Junction connector a15
Junction connector a20 (left end of dash)
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 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 250 F Sport 2011:

A/c compressor
A10
Ae1
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
Ja3
Junction connector a10 & e1 (left side of engine compt)
Junction connector j70 (right side of dash)
Knock control sensor shield
Nca
Qa1
Spill control valve shield
Spiral cable
Transmission control switch
Ze1
Ze2

Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 250 F Sport 2011:

(front center of roof) overhead j/b
(if equipped) 4wd control ecu
(w/ navigation) display & navigation module display
A10
Acc relay
Body ecu
Center air bag sensor assembly
Cigarette lighter
Combination meter
D11
D17
Defog relay
Engine room r/b 1 (right rear of engine compt)
Id code box
Inner rearview mirror
J100
J34
J4 (under center console)
J47
Jr2
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
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 (if equipped)
To ground j2 (diagram 4 of 7)
W/ garage door opener
W/o garage door opener

Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 250 F Sport 2011:

(if equipped) rear sunshade switch
(if equipped) sliding roof control ecu
(if equipped) tilt & telescopic ecu
A/c amplifier
Air bag sensor assembly center
Body ecu
Cigarette lighter
Clock assembly
Combination meter
Console box lamp
D12
Data link connector 3
Dcm (telematics transceiver)
Electronically controlled transmission pattern select switch
From right cowl side j/b (diagram 3 of 7)
Front wiper deicer switch
Gateway ecu
Glove box lamp
Integration control & panel assembly
J1 (left kick panel)
J114
J2 (left kick panel)
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
Satellite switch
Seat heater switch
Shift lock control ecu
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 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 250 F Sport 2011:

(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
Mo1
Mq1
Oq1
Outer mirror switch
Power window master switch
Q1 (left "b" pillar)
Q2 (left side of trunk)
Right rear combination lamp
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 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 250 F Sport 2011:

(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 memory seats) right front seat 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
Lp1
Ln1
Np1
P1 (right side of crossmember)
P19
P2 (right rear of vehicle)
Power outlet socket
Pt1
Pt2
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 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/ occupant classification
W/ power seats
W/o climate control seat
W/o occupant classification

Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 250 F Sport 2011:

(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 injector 1 shield (for direct injection)
Fuel injector 2 shield (for direct injection)
Fuel injector 3 shield (for direct injection)
Fuel injector 4 shield (for direct injection)
Fuel injector 5 shield (for direct injection)
Fuel injector 6 shield (for direct injection)
H1 (front of engine)
I1 (front of engine)
J106
J107
J3 (under center console)
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
W/ hid type
W/ navigation
W/o navigation

HEADLIGHTS

Headlamps Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(a/t)
(m/t)
(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
Bfg
Body ecu
Cltb
Clte
Clts
Combination meter
Computer data lines system
D12
D14
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
Jk1
L10
Lcty
Left cowl side j/b (diagram 2 0f 2)
Left cowl side j/b (left end of dash)
Lfg
Light control switch
Low
Micro computer
Mpx+
Mpx-
Mpx- b fuse 10a
Mpx1
Mpx2
Off
Parking brake switch (a/t: left side of dash) (m/t: under center console)
Pcty
Rcty
Red
Right cowl side j/b (right end of dash)
Tail
Ti & te fuse 20a
Windshield wiper switch assembly

Headlamps Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(except hid)
(hid)
(left front of engine compt) b2
(right front of engine compt) b1
20a
A2 (left rear of engine compt)
A33
Ba2
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)
Except hid
Fr fog fuse 15a
Fr fog relay
Fr tail fuse 10a
From j/c j27 (diagram 1 of 2)
Front controller
G12
G13
H-lp l lwr fuse 15a
H-lp r lwr fuse 15a
H-lp upr fuse 15a
Head hi relay (if equipped)
Head lp relay
Hid
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
Parking/ daytime running light
Right front fog lamp
Right headlamp assembly
Solenoid
W/ head hi relay
W/o head hi relay
Wiper/ washer system

Headlamps Leveling Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Headlamps Leveling Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

A2 (left rear of engine compt)
A30
A33
Altl
Ba3
Body ecu
Chg-
Computer data lines system
Engine room j/b 1 & engine room r/b 1 (right rear of engine compt)
Front height control sensor (left front of engine compt)
H-lp lvl fuse 7.5a
Head lp relay
Headlamp leveling ecu (left kick panel)
Headlamp leveling motor
Headlamps circuit
Hot at all times
Hot in on or start
J/c a20 (left end of dash)
J/c a33 & j80 (right kick panel)
J/c a9 (left side of engine compt)
J80
Ja3
K10
Left cowl side j/b (left end of dash)
Left headlight assembly
Ll1+
Ll1-
Ll2+
Ll2-
Lr1+
Lr1-
Lr2+
Lr2-
Main fuse 30a
Mpx1
Mpx2
Pnk
Qa1
Rear height control sensor (under rear of vehicle)
Red
Right headlight assembly
Sbf
Sbr
Sgf
Sgr
Shb
Shfl
Shg
Shrl
Spdl
Spdr
Wng
Yq1

Headlamps Leveling Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Headlamps Leveling Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(left side of dash) j/c j27
A24
A25
Anti-lock brakes system
Auto
Combination meter assembly
Computer data lines system
D12
D14
Dimmer switch
Ecu-ig rh fuse 10a
Engine room r/b 1 (right rear of engine compt)
Fl+
Fl-
Flash
Flo
Fr+
Fr-
Fro
Gauge fuse 7.5a
Head
Headlamp dimmer switch assembly
High
Hot at all times
Hot in on or start
Ig+
Input circuit
J/c j27 (left side of dash)
J1 (left kick panel)
J21
J26
J34
J74
J75
Left cowl side j/b (left end of dash)
Light control switch
Low
Main body ecu
Micro computer
Micro computer (sub)
Mpx+
Mpx-
Mpx- b fuse 10a
Mpx1
Mpx2
Multi-information display
Off
Pnk
Right cowl side j/b (righ end of dash)
Right cowl side j/b (right end of dash)
Rl+
Rl-
Rr+
Rr-
Skid control ecu w/ actuator (left rear of engine compt)
Tail
Windshield wiper switch assembly

HORN

Horn Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Horn Wiring Diagram for Lexus IS 250 F Sport 2011:

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 F Sport 2011

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List of elements for Clock Wiring Diagram for Lexus IS 250 F Sport 2011:

A24
Acan
Acc
Acc fuse 7.5a
Acc relay
Accd
Body ecu
Clock
Clock assembly
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
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
P-ab
Paon
Pbew
Pblt
Pnk
Power source control ecu (right side of dash)
Restraints system
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 F Sport 2011

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(a/t) (m/t)
(a/t) ect pwr ind
(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
B a12
B a24
B10
B11
B12
B12 efi
B13
B14
B15
B16
Beam ind
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 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 ind
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 end of dash)
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
J34
J35
J4 (right kick panel)
Ja3
Jp2
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
Mssl
P/sb
Pblt
Pnk
Power steering ind
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
Slip off/ind
Sp1
Speed warning ind
Speedometer
Srs ind
Sw+b
Sw5v
Tacho warning ind
Tachometer
Temperature
Tire pressure ind
Warning systems

Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(front of engine) engine oil pressure switch
(left "b" pillar) left front door courtesy switch
(left "c" pillar) left rear door courtesy switch
(left front of engine compt)
(right "b" pillar) right front door courtesy switch
(right "c" pillar) right rear door courtesy switch
(right side of dash) power source control ecu
(right side of trunk)
2.5l
3.5l
A10
A11
A12
A2 (left rear of engine compt)
A29
A33
Acc
Acc fuse 7.5a
Ae1
Ap1
Body ecu
Canh
Canl
Computer data lines system
D11
Data link connector 3 (left side of dash)
Dcm (telematics transceiver) (w/ lexus enform or safety connect) (right side of dash)
Dcty
Disp
Display & navigation module display
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 room j/b 2 (left side of engine compt)
Front controller
Fuel sender (sub) (in fuel tank)
Fuel suction pump & gauge assembly (forward of left rear wheel)
Gnd
Gnd1
Hot in on or acc
Hot w/ ig 2 relay energized
J/c a10 & 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 whell- well)
J10
J100
J107
J108
J114
J21
J24
J3 (under center console)
J4 (right kick panel)
J75
J80
Jp2
Jq1
L10
Lcty
Left cowl side j/b (left end of dash)
Lgcy
Lh ecu-ig fuse 10a
Mol
Mops
Mpx1
Mpx2
P30
P43
Parking brake switch (a/t) (left side of dash)
Parking brake switch (m/t) (under center console)
Pcty
Pkb
Pnk
Pq2
Q2 (left side of trunk)
Radio receiver assembly
Rcty
Red
Right cowl side j/b (right end of dash)
Right steering pad switch
Spd
Spiral cable (under steering wheel)
Steering pad switch
Stereo component amplifier
Swg
Tac
Tach
W/ navigation system
W/o navigation system
Water level warning switch

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(if equipped)
A11
A12
A19
A30
Acc
Acc fuse 7.5a
Actb
Batb
Bdcy
Body ecu
Computer data lines system
D17
Dcty
Dcyl
Ecu-ig rh fuse 10a
Foot lamp
Fr door rh fuse 20a
Gnd1
Gnd2
Hot at all times
Hot in on or acc
Hot in on or start
Ile
Ile1
J/c j71 (right side of dash)
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)
J21
J4 (right kick panel)
J75
Jp2
Jq1
Jr2
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
Lp1
Lp2
Luggage compartment lamp diode (left side of trunk)
Luggage door lock assembly
Luggage room lamp
M11
M15
Mpx1
Mpx2
Mq1
Noise filter (luggage room lamp) (left rear wheelwell)
P24
P25
Parking brake switch (m/t) (under center console)
Pcty
Pcyl
Pkb
Pnk
Pq2
Q2 (left side of trunk)
Q33
Q34
Qa1
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)
Ti & te fuse 20a
W/ memory
W/ outer scuff lamp
W/o memory

Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(canada)
A29
Body ecu
Combination meter
Computer data lines system
D11
Dome +b ig2 or
Dome fuse 10a
Dome lamp
Door
Door ind
Engine room r/b 1 (right rear of engine compt)
Fspt
Hot at all times
Input circuit
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
Jr2
Left foot lamp
Left front map lamp
Left rear map lamp
Left vanity lamp
Left vanity lamp switch
Micro computers
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 F Sport 2011

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(left side of dash) j/c j27
(under center console) j3
A24
Acc
Acc fuse 7.5a
Altb
Am2 fuse 7.5a
Auto
Becu
Body ecu
Center register illumination
Cigar lighter
Clock assembly
Computer data lines system
Console box lamp
D12
D14
D17
D20
D27
Dcm (tele- matics tran- ceiver) j114 (right side of dash)
Ecu-ig rh fuse 10a
Engine room j/b 1 (right rear of engine compt)
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)
J106
J107
J108
J114
J2 (under center console)
J26
J4 (right kick panel)
Jq1
Left cowl side j/b (left end of dash)
Lh-j/b am fuse 80a
Light control switch
M18
M19
Mpx-b fuse 10a
Mpx1
Mpx2
Mq1
Off
Outer mirror switch
Panel fuse 7.5a
Radio receiver assembly
Right cowl side j/b (right end of dash)
Right register illumi- nation
Satellite switch
Swg
Tail
Tail relay
Ti & te fuse 20a
Trly
W/ memory
W/ navigation
W/o memory
W/o navigation
Windshield wiper switch assembly

Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(right kick panel) j4
A/t
A/t shift lever illumination (a/t)
A10
A25
Am1
Am2
Combination meter
Computer data lines system
D11
Display & navigation module display (w/ navigation)
Electronically controlled transmission pattern select switch
Etcs snow switch
Front wiper deicer
Gauge fuse 7.5a
Gnd
Headlamp cleaner switch
Hot in on or start
Ig+
Ill+
Ill-
J/c j70 (right side of dash)
J/c j71 (right side of dash)
J/c j80 (right kick panel)
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)
Power switch
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
Sw 5v
Sw+b
Swg
Swil
Traction control switch
W/ navigation
W/o navigation

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(under driver's seat) j/c q7 & u1
Ae1
Ca1h
Ca1l
Canh
Canl
Computer data lines system
D13
D18
Engine control module (left front of engine compt)
Engine room j/b 1 (right rear 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 j/b-am fuse 80a
Lh-ig fuse 10a
Lh-ig1 relay
Mpd1
Mpd2
Mpx1
Mq1
Mq2
Park/ neutral position switch (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 (left front 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 F Sport 2011

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List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(left "b" pillar) q1
A12
A20
A24
Bdr
Body ecu
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
Engine room j/b 1 (right rear of engine compt)
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
Jq1
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) (under center console)
Pkb
Pnk
Power source control ecu (right side of dash)
Pq2
Rco
Rda
Red
Rh j/b-am fuse 80a
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 F Sport 2011

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List of elements for Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(right side of crossmember)
A20
A24
Adjusting switch
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
Engine room j/b 1 (right rear of engine compt)
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
Jq1
L10
Left
Left/right motor
Lp1
Lp2
Lt/up
Mirb
Mire
Mirs
Mpd1
Mpd2
Mpx-b fuse 10a
Mpx1
Mpx2
Mq1
Mr+
Mr-
Msw
Outer mirror switch
P2 (right rear of vehicle)
Pe2
Pm+r
Pmhr
Pmvr
Pnk
Power source control ecu (right side of dash)
Pvc
Q1 (left "b" pillar)
Rc0
Rda
Red
Ret
Retractor
Rh j/b-am fuse 80a
Rh-ig1 relay
Right
Right cowl side j/b (right end of dash)
Right outer mirror control ecu (right front door)
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 F Sport 2011

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List of elements for Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(left "b" pillar) q1
A12
Ae1
Bdr
Body ecu
Canh
Canl
Computer data lines system
Cpub
D13
D18
Dcty
De2
Dm+r
Dmhr
Dmvr
Dvc
Engine control module (left front of engine compt)
Engine room j/b 1 (right rear 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
Jq1
Left cowl side j/b (left end of dash)
Left front door courtesy switch (left "b" pillar)
Left outer mirror control ecu (left front door)
Left outer rear view mirror
Left seat memory switch
Left/right motor
Lh j/b-am fuse 80a
Lh-ig fuse 10a
Lh-ig1 relay
M10
Mpx1
Mq1
Mq2
Mr+
Mr-
Mswe
Park/ neutral position switch (on transmission)
Parking brake switch (m/t) (under center console)
Pkb
Pnk
Pq2
Red
Retractor
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 F Sport 2011

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List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

(at steering
(left "b" pillar) q1
(left front door) left outer mirror control ecu
A12
A15
A18
A20
A24
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
Engine room j/b 1 (right rear of engine compt)
Engine room r/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
M telescopic motor
Mpx-b fuse 10a
Mpx1
Mpx2
Mswe
P2 (right rear of vehicle)
Parking brake switch (m/t) (under center console)
Pkb
Pnk
Power source control ecu (right side of dash)
Pq2
Rc0
Rda
Red
Rh j/b-am fuse 80a
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 F Sport 2011

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List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(left end of dash) left cowl side j/b
(left side of dash) j/c j27
Ae1
Ca1h
Ca1l
Canh
Canl
Computer data lines system
D12
D13
D18
Down
Engine control module (left front of engine compt)
Engine room j/b 1 (right rear 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
Jq1
Left cowl side j/b (left end of dash)
Lh j/b-am fuse 80a
Lh-ig fuse 10a
Lh-ig1 relay
Long
Mpd1
Mpd2
Mpx1
Mpx2
Mq1
Mq2
Msw
Park/ neutral position switch (on transmission)
Pnk
Red
Short
Skid control ecu w/ actuator (left rear of engine compt)
Tilt & telescopic switch
Windshield wiper switch assembly

NAVIGATION

Navigation Wiring Diagram (1 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Navigation Wiring Diagram (1 of 5) for Lexus IS 250 F Sport 2011:

(or red)
+b1
A/t
A12
Acc
Acc fuse 7.5a
Back
Body ecu
Canh
Canl
Combination meter
Computer data lines system
D11
D14
D27
D28
Disp
Display & navigation module display
Ecu-ig rh fuse 10a
Gnd1
Gps antenna
Hot at all times
Hot in on or acc
Hot in on or start
Ill+
Ill-
Ind
Input circuit
Instrument cluster system
Interior lights system
J/c j27 (left side of dash)
J/c j80 (right kick panel)
J100
J101
J103
J24
J34
J4 (right kick panel)
J74
Jq1
L10
Left cowl side j/b (left end of dash)
Left steering pad switch
M/t
Macc
Mi+
Mi-
Micro computer
Min+
Min-
Mo+
Mo-
Mode
Mssl
Nca
Off hook
On hook
Parking brake switch (a/t: left side of dash) (m/t: under center console)
Pkb
Pnk
Red
Rev
Right cowl side j/b (right end of dash)
Right steering pad switch
Seek+
Seek-
Seuc
Sgnd
Sldi
Sldo
Sns2
Spd
Spiral cable (under steering wheel)
Steering pad switch
Sw1
Sw2
Swg
Tv 1 fuse 10a
Voice
Vol+
Vol-
Wuo

Navigation Wiring Diagram (2 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Navigation Wiring Diagram (2 of 5) for Lexus IS 250 F Sport 2011:

(front center of roof) overhead j/b
(or red)
(under center console) j3
Acc
Agnd
Ali
Alo
Antenna
Ari
Aro
Asgn
Auxi
Auxo
D22
Gnd
Hot at all times
Ill+
Ill-
Interior lights system
J112
J117
Jp1
Jq3
Jr2
Mi+
Mi-
Microphone
Mo+
Mo-
Multimedia interface ecu (lower right side of dash)
Nca
Ntsc
Qz1
Rad 3 fuse 10a
Radio receiver assembly
Red
Right cowl side j/b (right end of dash)
Sdars antenna
Sld
Sldi
Stereo jack adapter assembly 1
Txi+
Txi-
Udi+
Udi-
Udo+
Udo-
Uesg
Ugd1
Ujsg
Ulo+
Upi
Upo
Uro+
Usd1
W/ lexus enform
W/ sdars
W/o lexus enform
Wui
Wuo
Zj1

Navigation Wiring Diagram (3 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Navigation Wiring Diagram (3 of 5) for Lexus IS 250 F Sport 2011:

(13 speaker) left rear door midrange speaker
(13 speaker) right rear door midrange speaker
(right side of trunk) p3
+b2
+tw
-tw
13 speakers
14 speakers
Ap1
Ctr+
Ctr-
Engine room r/b 1 (right rear of engine compt)
Fl+
Fl-
Fr+
Fr-
Gnd
Gnd2
Hot at all times
Instrument cluster system
Left rear door tweeter
Mi+
Mi-
Ml+
Ml-
Mo+
Mo-
Mr+
Mr-
Nca
Np1
Oq1
P27
P28
P43
P44
P45
Pnk
Pq1
Rad 1 fuse 30a
Rad 2 fuse 30a
Red
Right rear door tweeter
Rl+
Rl-
Rr+
Rr-
Sf1-
Sl+
Sl-
Sldi
Sldo
Spd
Sr+
Sr-
Stereo component amplifier (right side of trunk)
Tmut
Wf1+
Wf2+
Wf2-
Wfl+
Wfl-
Wfr+
Wfr-
Wui

Navigation Wiring Diagram (4 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Navigation Wiring Diagram (4 of 5) for Lexus IS 250 F Sport 2011:

(13 speaker) left rear door woofer speaker
(13 speaker) right rear door woofer speaker
(14 speaker) left rear door tweeter
(14 speaker) right rear door tweeter
+tw
-tw
13 speakers
14 speakers
Center speaker (14 speaker)
Jk1
Jp2
Left front door midrange speaker
Left front door tweeter
Left rear door midrange speaker
Lp2
Mq2
Nca
Np1
Oq1
Pnk
Pq1
Red
Red (or pnk)
Right front door midrange speaker
Right front door tweeter
Right front door woofer speaker
Right rear door midrange speaker
Subwoofer speaker
Twl+
Twl-
Twr+
Twr-
W/ lexus enform
W/o lexus enform
Wf1+
Wf1-
Wf2+

Navigation Wiring Diagram (5 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Navigation Wiring Diagram (5 of 5) for Lexus IS 250 F Sport 2011:

14 speakers
Acc
Agnd
Ca+
Cb+
Cgnd
Computer data lines system
Cv+
Cv-
Dcm (telematics transceiver) (w/ lexus enform) (right side j119 of dash)
Display & navigation module display
Gnd
Ieee
Ieee connector (right side of dash)
J102
J104
J105
J114
J118
J120
Jp2
Jq3
Left front door woofer speaker
Left satellite speaker
Mci+
Mci-
Mco+
Mco-
Mcvd
Mq2
Mute
Nca
Pnk
Pq1
Pq2
Red
Right satellite speaker
Sgnd
Speakers
Spi+
Spi-
Spo+
Spo-
Television camera (rear of trunk lid)
Tx2+
Tx2-
Txm+
Txm-
Usb
Usbg
Usbv
Va-
Val+
Var+
Vor+
Vor-
Vot+
Vot-
Vv+
Vv-

Rear Sonar Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Rear Sonar Wiring Diagram for Lexus IS 250 F Sport 2011:

(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
Ad1
Ae1
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
Display information multi
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
Ja3
Jq1
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
Micro computer (sub)
Mpd1
Mpd2
Mpi1
Mpi2
Mpx+
Mpx-
Mpx1
Mpx2
Navigation circuit
Ne+
Ne-
Park/ neutral position switch (on trans- mission)
Parking brake switch (a/t: left side of dash) (m/t: under center console)
Pkb
Pnk
Power source control ecu (right side of dash)
Qa1
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
Sq1

Rear View Monitoring Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Rear View Monitoring Wiring Diagram for Lexus IS 250 F Sport 2011:

(on transmission)
2.5l
3.5l
A/t
A10
A12
A30
A33
Ae1
Ap1
Back
Backup lamp switch (right side of trans- mission)
Bkup
Body ecu
Ca+
Ca1h
Ca1l
Canh
Canl
Cb+
Cgnd
Combination meter
Computer (sub) micro
Computer data lines system
Cv+
Cv-
D12
D13
Display & navigation module display
Display information multi
E49
Ea1
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)
J100
J102
J2 (under center console)
J21
J23
J34
J74
J75
J80
Ja3
Jq1
Jq3
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
Navigation circuit
Nca
Ne+
Ne-
P43
Park/ neutral position switch p
Parking brake switch (a/t: left side of dash) (m/t: under center console)
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
Stereo component amplifier (right side of trunk)
Television camera (rear of trunk lid)

Telematics Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Telematics Wiring Diagram for Lexus IS 250 F Sport 2011:

(left end of dash) left cowl side j/b
(right kick panel) j/c j80
(right side of dash) j/c j71
(right side of trunk) stereo component amplifier
(under center console) air bag sensor assembly center
13 speakers
14 speakers w/ navigation
A10
Acc
Acc fuse 7.5a
Computer data lines system
D11
D12
D27
Dcm (telematics transceiver) (right side of dash)
Display & navigation module display
Engine room r/b 2 (left side of engine compt)
Gps antenna
Gsw
Gsw3
Hot at all times
Hot in on or acc
Hot in on or start
Ig2
Ign fuse 10a
Ill+
Ind1
Ind2
Instrument cluster system
Interior lights system
J/c j27 (left side of dash)
J1 (left kick panel)
J100
J109
J114
J118
J119
J4 (right kick panel)
J47
Ja4
Jp2
Jr1
Jr2
Lp2
Mci+
Mci-
Mco+
Mco-
Mcvd
Mic+
Mic-
Microphone
Min+
Min-
Mute
Nca
Overhead j/b (front center of roof)
P30
P43
P44
P45
Pnk
Radio receiver assembly
Red
Right cowl side j/b (right end of dash)
Right front door woofer speaker
Sgnd
Sig-
Sig1
Sil
Sled
Sns2
Sos switch
Spdp
Spi+
Spi-
Spo+
Spo-
Tel fuse 10a
Telephone antenna
Tmut
Usb
Usbg
Usbv
Vor+
Vor-
Vot+
Vot-
W/ navigation
W/o navigation
Wfr+
Wfr-

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Passive Restraints Wiring Diagram for Lexus IS 250 F Sport 2011:

D12
D13
Hot at all times
Ig1d
Inner belt
Inner belt assembly
Inner belt assembly (under front passenger's seat)
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)
P40
Pnk
Power source control ecu (right side of dash)
Pt1
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 inner belt buckle switch (under front passenger's seat)
Right front seat outer belt (base of "b" pillar)
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 F Sport 2011

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List of elements for Power Distribution Wiring Diagram (1 of 5) for Lexus IS 250 F Sport 2011:

(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
Defogger system
Deicer fuse 25a
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
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
Navigation system
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
Tel fuse 10a
To abs 1 fuse (diagram 2 of 5)
To fan 2 fuse (diagram 2 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 F Sport 2011

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List of elements for Power Distribution Wiring Diagram (2 of 5) for Lexus IS 250 F Sport 2011:

Abs 1 fuse 50a
Air conditioning system
Anti-lock brakes system
Body computer, exterior lights, cruise control, anti-lock brakes, instrument cluster, wiper/washer system, computer data lines, memory, anti-theft & power windows systems
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 & instrument cluster systems
J4 (right kick panel)
Lh j/b-am fuse 80a
Main fuse 30a
Mpx-b fuse 10a
Noise filter (engine room r/b 1)
Rh j/b-am fuse 80a
To a/c fuse (diagram 4 of 5)
To ig 2 main fuse (diagram 3 of 5)
To stop sw (diagram 4 of 5)

Power Distribution Wiring Diagram (3 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Power Distribution Wiring Diagram (3 of 5) for Lexus IS 250 F Sport 2011:

A2 (left rear of engine compt)
A23
A25
A27
A29
Accd
Am1
Am2
Am2 fuse 7.5a
Batb
Body ecu
Cruise control, engine control 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 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
Sound systems
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 F Sport 2011

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List of elements for Power Distribution Wiring Diagram (4 of 5) for Lexus IS 250 F Sport 2011:

(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
Body ecu
Computer data lines system
D13
D20
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
Exterior lights, cruise control & transmissions 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
Interior lights system
J1 (left kick panel)
J10
J11
J12
J22
J24
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
Obd fuse 7.5a
Panel fuse 7.5a
Passive restraints system
Pnk
Power tops system
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 fuse 10a
Tail relay
Ti & te fuse 20a
To pwr point relay (diagram 5 of 5)
To right cowl side j/b (diagram 5 of 5)
Trly
Trunk, tailgate, fuel doors system
Tv 1 fuse 10a
Wig
Wiper/ washer system
Wiper/washer, exterior lights, air conditioning, starting/charging & cooling fans systems

Power Distribution Wiring Diagram (5 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Power Distribution Wiring Diagram (5 of 5) for Lexus IS 250 F Sport 2011:

Acc
Acc fuse 7.5a
Acc relay
Anti-theft system
Body ecu
Cig fuse 15a
Cigarette lighter
D12
D13
D14
D26
D27
Defogger, seats, cruise control, transmissions & navigation systems
Door locks 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, mirrors, instrument cluster, computer data lines & interior lights systems
P1 (right side of crossmember)
Passive restraint system
Pnk
Power outlet socket
Power windows & memory systems
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
Security fuse 7.5a
Sound systems

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (1 of 7) for Lexus IS 250 F Sport 2011:

Act+
Act-
Actd
Altb
Batb
Body ecu
Computer data lines system
Cpub
D24
Fr door rh fuse 20a
Gsw
Hot at all times
Hrly
J/c a33 (right kick panel)
J/c q36 (left rear wheelwell)
J10
J17
J21
J74
J75
Jp2
Jq1
Kul
Left front door lock assembly (driver's door)
Left rear door lock assembly (left rear door)
Lgcy
Lock key
Lp1
Lp2
Lssr
Lsw
Lswl
Lswp
Lswr
Mpx1
Mpx2
Mq1
Mq2
Np1
Oq1
P1 (right side of crossmember)
Pnk
Power window master switch
Pq1
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 (2 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (2 of 7) for Lexus IS 250 F Sport 2011:

(right end of dash) right cowl side j/b
A11
A36
Body ecu
Bzr
Courtesy
D11
D17
Dcty
Display & navigation module display
Dome lamp
Door
Door lock control switch
Gnd1
Gnd2
Haz
Ill+
Ind
Integrated control & panel assembly
J/c a15 (left rear corner of engine compt)
J/c j27 (left side of dash)
J/c j71 (right side of dash)
J/c j80 (right kick panel)
J100
J103
J2 (under center console)
J4 (right kick panel)
J74
J75
Jp2
Jq1
Jr2
Lcty
Left front door courtesy switch (left "b" pillar)
Left rear door courtesy switch (left "c" pillar)
Lock
Luggage door lock assembly
Overhead j/b (front center of roof)
P1 (right side of crossmember)
Pcty
Pq2
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)
Security indicator lamp
Seuc
Un lock
W/ navigation
W/o navigation
Wireless door lock buzzer (inside left front wheelwell)

Power Door Locks Wiring Diagram (3 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (3 of 7) for Lexus IS 250 F Sport 2011:

A29
A30
Bdcy
Body ecu
Computer data lines system
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
Headlights system
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)
Jq1
Jr2
L12
L14
Lcty
Left cowl side j/b (left end of dash)
Left outer rear view mirror
Lgcy
Lkul
Lp1
Lp2
Lpsw
Luggage compartment door lock cylinder
Luggage electrical key switch (center rear of trunk)
M11
M15
Main fuse 30a
Mpx1
Mpx2
Mq1
P24
P25
Pnk
Pq2
Q2 (left side of trunk)
Q33
Q34
Qa1
Right outer rear view mirror
Sgnd
Turn signal flasher (left side of dash)
W/ memory
W/o memory
W/o navigation

Power Door Locks Wiring Diagram (4 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (4 of 7) for Lexus IS 250 F Sport 2011:

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+
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)
Gsw
Horn (high) (front of radiator)
Horn (low) (front of radiator)
Horn fuse 10a
Horn relay
Hot at all times
J34
J47
Ja3
Left front seat inner belt
Mpd1
Mpd2
Mpi1
Mpi2
Mpx+
Mpx-
Mpx-b fuse 10a
Q32
Red
Skid control ecu w/ actuator (left rear of engine compt)
Sp1

Power Door Locks Wiring Diagram (5 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (5 of 7) for Lexus IS 250 F Sport 2011:

A24
Acc
Acc fuse 7.5a
Ae1
Ant1
Ant2
Becu
Body ecu
Clg
Clgb
D12
D13
D18
Data
Door control receiver (right rear of vehicle)
Ecu- ig rh fuse 10a
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
Lp1
Lp2
Ln1
Mq2
Mo1
P1 (right side of crossmember)
P2 (right rear of vehicle)
P24
P25
Park/ neutral position switch (a/t) (on transmission)
Pnk
Pq2
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 (6 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (6 of 7) for Lexus IS 250 F Sport 2011:

(right side of trunk) certification ecu
(under center console) console electrical key oscillator
+b1
Acc
Agnd
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)
Jp2
Lin
Lp1
Ln1
Mpx1
Mpx2
Mq2
Mo1
Outside luggage room electrical key oscillator (right side of trunk)
P1 (right side of crossmember)
Pnk
Power switch
Pq2
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 (7 of 7) for Lexus IS 250 F Sport 2011

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List of elements for Power Door Locks Wiring Diagram (7 of 7) for Lexus IS 250 F Sport 2011:

(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)
Ja3
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 MIRRORS

Electrochromic Mirror Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 250 F Sport 2011:

(right kick panel)
(right side of dash)
+b1
+b3
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)
Jp2
Jq1
Jr2
L10
Left cowl side j/b (left end of dash)
Left outer mirror control ecu (left front doors)
Left outer rear view mirror
Lp2
M10
Mq1
Overhead j/b (front center of roof)
Pnk
Red
Right cowl side j/b (right end of dash)
Right outer mirror control ecu (right front doors)
Right outer rear view mirror
W/ garage door opener
W/o garage door opener

Power Mirrors Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Power Mirrors Wiring Diagram for Lexus IS 250 F Sport 2011:

Acc fuse 7.5a
Adjust switches
D27
Defogger system
Down
Exterior lights system
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)
Jp2
Jq1
Left
Left outer rear view mirror
Left/up
Lp1
Mirror heater
Mlh
Mlp+
Mlp-
Mlv
Mq1
Mrh
Mrv
Outer mirror switch
Pnk
Q1 (left "b" pillar)
Red
Right
Right cowl side j/b (right end of dash)
Right outer rear view mirror
Right/down
Select switches
Turn light

POWER SEATS

Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

A/c fuse 7.5a
A27
Bllh
Blrh
Ctb
D13
D20
D29
Ecu-ig lh fuse 10a
Engine room j/b 1 (right rear of engine compt)
Exterior lights system
Fr s/ htr lh fuse 15a
Gnd
Hot at all times
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
Jp2
Jq1
Left cowl side j/b (left end of dash)
Left seat heater
Lh j/b-am fuse 80a
Lh-ig2 relay
Panel fuse 7.5a
Pnk
Pt1
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 F Sport 2011

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List of elements for Climate Control Seats Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

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
Jp1
Jq1
Lout
P1 (right side of crossmember)
Pnk
Power source control ecu (right side of dash)
Pt1
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 F Sport 2011

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List of elements for Driver Power Seat Wiring Diagram for Lexus IS 250 F Sport 2011:

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 F Sport 2011

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List of elements for Heated Seats Wiring Diagram for Lexus IS 250 F Sport 2011:

D13
D20
Engine room j/b 1 (right rear of engine compt)
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)
J1 (left kick panel)
J30
Jp2
Jq1
Left cowl side j/b (left end of dash)
Left seat heater
Lh j/b-am fuse 80a
P1 (right side of crossmember)
Panel fuse 7.5a
Pnk
Pt1
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 F Sport 2011

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List of elements for Passenger Power Seat Wiring Diagram for Lexus IS 250 F Sport 2011:

(front passenger's seat) j/c t11
Down
Fr p seat rh fuse 30a
Front
Front vertical
Hot at all times
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)
Power seat switch (right front seat lumbar support control)
Pt1
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 F Sport 2011

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List of elements for Power Top/Sunroof Wiring Diagram for Lexus IS 250 F Sport 2011:

(left kick panel) j1
(right kick panel) j4
A10
A36
Body ecu
Bzr
Certification ecu (right side of trunk)
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
Engine room r/b 1 (right rear of engine compt)
Gauge fuse 7.5a
Gnd
Hot at all times
Hot w/ ig 2 relay energized
Hot w/ lh-ig 2 relay energized
Ig+
Ig2 or dome +b
Ig3
Input circuit
J/c a15 (left rear corner 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)
J21
J34
J75
Jr2
Key lock
Key unlock
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
Mq2
Multi information display
Opn
Overhead j/b (front center of roof)
P2 (right rear of vehicle)
Power window master switch
Pq2
Q1 (left "b" pillar)
Rc0
Rda
Red
Right cowl side j/b (right end of dash)
Rssi
S/roof fuse 25a
Sliding roof control ecu (center front 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 F Sport 2011

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List of elements for Power Windows Wiring Diagram (1 of 2) for Lexus IS 250 F Sport 2011:

Auto
Body ecu
Certification ecu (right side of trunk)
Computer data lines system
Cpub
D18
Data
Door control receiver (right rear of vehicle)
Dwn1
Fr door lh fuse 20a
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
Lin
Lin1
Lin2
Lssr
Lsw
Mpx1
Mpx1 q3
Mpx2
Mpx2 a30
Mq1
Mq2
Oq1
P2 (right rear of vehicle)
Pnk
Power window master switch
Q1 (left "b" pillar)
Q2 (left side of trunk)
Rco
Rda
Red
Rr door lh fuse 20a
Rssi
Sig
Unlock detection
Up1
W/ memory seat
W/o memory seat

Power Windows Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Power Windows Wiring Diagram (2 of 2) for Lexus IS 250 F Sport 2011:

(right rear door)
A24
A36
Auto
Body ecu
Bzr
Computer data lines system
D14
Dcty
Dwn1
Ecu-ig rh fuse 10a
Engine room r/b 1 (right rear of engine compt)
Fr door rh fuse 20a
Hot at all times
Ig1d
J/c a15 (left rear corner of engine compt)
J/c j27 (left side of dash)
J/c q36 (left rear wheelwell)
J21
J4 (right kick panel)
J75
Jq1
Led
Left front door courtesy switch (left "b" pillar)
Lin
Lp2
Mpx-b fuse 10a
Mpx1
Mpx2
Np1
P1 (right side of crossmember)
Pnk
Power source control ecu (right side of dash)
Pq2
Red
Rh ig1 relay
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
Rr door rh fuse 20a
Up1
Wireless door lock buzzer (inside left front wheelwell)

Rear Window Sun Shade Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Rear Window Sun Shade Wiring Diagram for Lexus IS 250 F Sport 2011:

2.5l
3.5l
A/t
A24
Ae1
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
Jq1
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)
Qa1
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, with Navigation (1 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, with Navigation (1 of 5) for Lexus IS 250 F Sport 2011:

(or red)
+b1
A/t
A12
Acc
Acc fuse 7.5a
Back
Body ecu
Canh
Canl
Combination meter
Computer data lines system
D11
D14
D27
D28
Disp
Display & navigation module display
Ecu-ig rh fuse 10a
Gnd1
Gps antenna
Hot at all times
Hot in on or acc
Hot in on or start
Ill+
Ill-
Ind
Input circuit
Instrument cluster system
Interior lights system
J/c j27 (left side of dash)
J/c j80 (right kick panel)
J100
J101
J103
J24
J34
J4 (right kick panel)
J74
Jq1
L10
Left cowl side j/b (left end of dash)
Left steering pad switch
M/t
Macc
Mi+
Mi-
Micro computer
Min+
Min-
Mo+
Mo-
Mode
Mssl
Nca
Off hook
On hook
Parking brake switch (a/t: left side of dash) (m/t: under center console)
Pkb
Pnk
Red
Rev
Right cowl side j/b (right end of dash)
Right steering pad switch
Seek+
Seek-
Seuc
Sgnd
Sldi
Sldo
Sns2
Spd
Spiral cable (under steering wheel)
Steering pad switch
Sw1
Sw2
Swg
Tv 1 fuse 10a
Voice
Vol+
Vol-
Wuo

Radio Wiring Diagram, with Navigation (2 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, with Navigation (2 of 5) for Lexus IS 250 F Sport 2011:

(front center of roof) overhead j/b
(or red)
(under center console) j3
Acc
Agnd
Ali
Alo
Antenna
Ari
Aro
Asgn
Auxi
Auxo
D22
Gnd
Hot at all times
Ill+
Ill-
Interior lights system
J112
J117
Jp1
Jq3
Jr2
Mi+
Mi-
Microphone
Mo+
Mo-
Multimedia interface ecu (lower right side of dash)
Nca
Ntsc
Qz1
Rad 3 fuse 10a
Radio receiver assembly
Red
Right cowl side j/b (right end of dash)
Sdars antenna
Sld
Sldi
Stereo jack adapter assembly 1
Txi+
Txi-
Udi+
Udi-
Udo+
Udo-
Uesg
Ugd1
Ujsg
Ulo+
Upi
Upo
Uro+
Usd1
W/ lexus enform
W/ sdars
W/o lexus enform
Wui
Wuo
Zj1

Radio Wiring Diagram, with Navigation (3 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, with Navigation (3 of 5) for Lexus IS 250 F Sport 2011:

(13 speaker) left rear door midrange speaker
(13 speaker) right rear door midrange speaker
(right side of trunk) p3
+b2
+tw
-tw
13 speakers
14 speakers
Ap1
Ctr+
Ctr-
Engine room r/b 1 (right rear of engine compt)
Fl+
Fl-
Fr+
Fr-
Gnd
Gnd2
Hot at all times
Instrument cluster system
Left rear door tweeter
Mi+
Mi-
Ml+
Ml-
Mo+
Mo-
Mr+
Mr-
Nca
Np1
Oq1
P27
P28
P43
P44
P45
Pnk
Pq1
Rad 1 fuse 30a
Rad 2 fuse 30a
Red
Right rear door tweeter
Rl+
Rl-
Rr+
Rr-
Sf1-
Sl+
Sl-
Sldi
Sldo
Spd
Sr+
Sr-
Stereo component amplifier (right side of trunk)
Tmut
Wf1+
Wf2+
Wf2-
Wfl+
Wfl-
Wfr+
Wfr-
Wui

Radio Wiring Diagram, with Navigation (4 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, with Navigation (4 of 5) for Lexus IS 250 F Sport 2011:

(13 speaker) left rear door woofer speaker
(13 speaker) right rear door woofer speaker
(14 speaker) left rear door tweeter
(14 speaker) right rear door tweeter
+tw
-tw
13 speakers
14 speakers
Center speaker (14 speaker)
Jk1
Jp2
Left front door midrange speaker
Left front door tweeter
Left rear door midrange speaker
Lp2
Mq2
Nca
Np1
Oq1
Pnk
Pq1
Red
Red (or pnk)
Right front door midrange speaker
Right front door tweeter
Right front door woofer speaker
Right rear door midrange speaker
Subwoofer speaker
Twl+
Twl-
Twr+
Twr-
W/ lexus enform
W/o lexus enform
Wf1+
Wf1-
Wf2+

Radio Wiring Diagram, with Navigation (5 of 5) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, with Navigation (5 of 5) for Lexus IS 250 F Sport 2011:

14 speakers
Acc
Agnd
Ca+
Cb+
Cgnd
Computer data lines system
Cv+
Cv-
Dcm (telematics transceiver) (w/ lexus enform) (right side j119 of dash)
Display & navigation module display
Gnd
Ieee
Ieee connector (right side of dash)
J102
J104
J105
J114
J118
J120
Jp2
Jq3
Left front door woofer speaker
Left satellite speaker
Mci+
Mci-
Mco+
Mco-
Mcvd
Mq2
Mute
Nca
Pnk
Pq1
Pq2
Red
Right satellite speaker
Sgnd
Speakers
Spi+
Spi-
Spo+
Spo-
Television camera (rear of trunk lid)
Tx2+
Tx2-
Txm+
Txm-
Usb
Usbg
Usbv
Va-
Val+
Var+
Vor+
Vor-
Vot+
Vot-
Vv+
Vv-

Radio Wiring Diagram, without Navigation (1 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, without Navigation (1 of 2) for Lexus IS 250 F Sport 2011:

(front center of roof) overhead j/b
(or pnk) red
(or red)
(right side of dash) (w/ safety connect) dcm (telematics transceiver)
Acc
Acc fuse 7.5a
Agnd
Ali
Alo
Antenna
Ari
Aro
Asgn
Atx+
Atx-
Auxi
Auxo
Cdl+
Cdl-
Cdr+
Cdr-
Computer data lines system
Csld
D22
D27
Gnd
Hot at all times
Hot in on or acc
Ill+
Ill-
Instrument cluster system
Interior lights system
Ivo+
Ivo-
J/c j27 (left side of dash)
J107
J108
J109
J110
J111
J113
J114
J117
J23
J3 (under center console)
Jp1
Jp2
Jq3
Jr2
Lp2
Macc
Mci+
Mci-
Mco+
Mco-
Mcvd
Mic+
Mic-
Microphone
Multimedia interface ecu (lower right side of dash)
Mut1
Mute
Nca
Pnk
Qz1
Rad 3 fuse 10a
Radio receiver assembly
Red
Right cowl side j/b (right end of dash)
Right front door midrange speaker
Right front door tweeter
Right front door woofer speaker
Sdars antenna
Sgnd
Sld
Sldi
Sns2
Spd
Spi+
Spi-
Spo+
Spo-
Stereo jack adapter assembly 1
Sw1
Sw2
Swg
Twl+
Twr-
Tx+
Tx-
Tx1+
Tx1-
Tx2+
Tx2-
Txm+
Txm-
Udi+
Udi-
Udo+
Udo-
Uesg
Ujsg
Ulo+
Ulo-
Upi
Upo
Uro+
Uro-
Usd1
W/ safety connect
W/ sdars
W/o safety connect
Zj1

Radio Wiring Diagram, without Navigation (2 of 2) for Lexus IS 250 F Sport 2011

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List of elements for Radio Wiring Diagram, without Navigation (2 of 2) for Lexus IS 250 F Sport 2011:

(8 speakers) left rear door speaker (13 speakers) left rear door woofer speaker
(8 speakers) right rear door speaker (13 speakers) right rear door woofer speaker
+b2
+tw
-tw
Acc
Ap1
Combination meter
Computer data lines system
Disp
Engine room r/b 1 (right rear of engine compt)
Fl+
Fl-
Fr+
Fr-
Gnd
Gnd2
Hot at all times
Ii1+
Ii1-
Instrument cluster system
J24
J34
Left front door midrange speaker
Left front door tweeter
Left front door woofer speaker
Left rear door midrange speaker (13 speakers)
Left rear door tweeter
Left steering switch
Micro computer
Ml+
Ml-
Mode
Mq2
Mr+
Mr-
Mssc
Mute
Np1
Off hock
On hock
Oq1
P27
P28
P3 (right side of trunk)
P30
P44
Pnk
Pq1
Rad 1 fuse 30a
Rad 2 fuse 30a
Red
Right rear door midrange speaker (13 speakers)
Right rear door tweeter
Right steering switch
Rl+
Rl-
Rr+
Rr-
Seek+
Seek-
Spd
Spiral cable (under steering wheel)
Steering pad switch
Stereo component amplifier (right side of trunk)
Sub woofer speaker
Tmut
Twl+
Twl-
Tx+
Tx-
Voice
Vol+
Vol-
Wf1+
Wf1-
Wf2+
Wf2-
Wfl+
Wfl-
Wfr+
Wfr-

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Shift Interlock Wiring Diagram for Lexus IS 250 F Sport 2011:

+bs
A2 (left rear of engine compt)
A29
Abs 2 fuse 30a
Ae1
Brake pedal load sensing switch (left side of dash)
Can h
Can l
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 end of dash)
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)
Lh ig1 relay
Lh ig2 relay
Lh-ig fuse 10a
Mpx1
Mpx2
P r
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)
Sls+
Sls-
Stop lamp switch (left side of dash)
Stop sw fuse 7.5a
Stp e

Steering Column Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Steering Column Wiring Diagram for Lexus IS 250 F Sport 2011:

(under center console) j2
25a
A27
D11
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
J/c j80 (right kick panel)
J2 (under center console)
Ja3
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 F Sport 2011

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List of elements for Charging Wiring Diagram for Lexus IS 250 F Sport 2011:

(or red)
+ig
A10
A24
A25
Ae1
Alt
Alt fuse 150a
Alt-s fuse 7.5a
Battery
Ca1h
Ca1l
Canh
Canl
Charge indicator
Combination meter
Computer data lines system
D12
D13
E/g-b fuse 60a
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 & engine room j/b 2 (left side of engine compt)
Gateway ecu (right end of dash)
Gauge fuse 7.5a
Generator
Hot at all times
Hot w/ ig 2 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 side of engine compt)
Left cowl side j/b (left end of dash)
Lh- ig 1 relay
Lh-ig fuse 10a
Micro computer
Mpi1
Mpi2
Mpx+
Mpx-
Mpx-b fuse 10a
Pnk
Power source control ecu (right side of dash)
Right cowl side j/b (right end of dash)
Starter

Starting Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for Starting Wiring Diagram for Lexus IS 250 F Sport 2011:

2.5l
3.5l
A2 (left rear of engine compt)
A29
Accr
Ae1
Battery
Clutch start switch (m/t) (left side of dash)
Ctsw
D11
Engine control module (left front of engine compt)
Engine room j/b 1 & engine room r/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)
Ig 2 relay
Ig2d
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)
Ja3
Junction connector a7 & a8 (left side of engine compt)
Ksw
Park/neutral position switch (a/t) (on transmission)
Power distribution system
Power source control ecu (right side of dash)
Power switch
Red
Right cowl side j/b (right end of dash)
Sksw
Ssw1
Ssw2
St cut relay
Sta
Star
Starter
Starter fuse 30a
Starter relay
Str1
Str2
Stsw

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011:

(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
Fsr+
Fsr-
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
Ja1
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
P-ab
P14
P2+
P2-
Pa0n
Pd+
Pd-
Pdr+
Pdr-
Pk+
Pk-
Pnk
Pp+
Pp-
Ppr+
Ppr-
Pc1
Q32
Qd1
Red
Rh-ig1 relay
Right cowl side j/b (right end of dash)
Sfd+
Sfd-
Sfp+
Sfp-
Sil

Supplemental Restraints Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011:

(in steering wheel) steering wheel pad air bag squib
(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
Ja1
Ja5
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
Vbt
W/ navigation system
W/ occupant classification system &
W/ occupant classification system & w/o power seat
W/o navigation system

Supplemental Restraints Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011

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List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011:

(left rear of engine compt) skid control ecu w/ actuator
(right side of crossmember) p1
+ig
A21
Anti-lock brakes system
Bgnd
Bsw
Buckle switch
Canh
Canl
Clock assembly
Combination meter
Computer data lines system
D12
D13
D17
D29
Dia
Ecu-ig lh fuse 10a
Fsr+
Fsr-
Gbt
Gnd
Gps
Hot at all times
Input circuit
Integration control & panel assembly
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
Micro computer
Mpx+
Mpx-
Occupant classification ecu (w/ occupant classification system & power seat) (under front passenger's seat)
Occupant classification sensor (under front passenger's seat)
P-ab
Paon
Pblt
Pnk
Pt2
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
W/ air bag cutoff switch
W/ navigation
W/o navigation
Yaw rate sensor (under center console)

TRANSMISSION

4WD Wiring Diagram for Lexus IS 250 F Sport 2011

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List of elements for 4WD Wiring Diagram for Lexus IS 250 F Sport 2011:

(right end of dash) right cowl side j/b
(right kick panel) j/c a33 & j80
(right kick panel) j4
4wd control ecu (right kick panel)
A10
A24
A25
A33
Ae1
Canh
Canl
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
Input circuit
J/c j27 (left side of dash)
J34
J4 (right kick panel)
J80
Ja3
Master ind
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-
Slip ind
Sp1
Speedometer

A/T Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011

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List of elements for A/T Wiring Diagram (1 of 3) for Lexus IS 250 F Sport 2011:

(left side of engine compt)
+b1
A10
A2 (left rear of engine compt)
A24
A25
Accelerator position sensor (left side of dash)
Ae1
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 (left side of engine compt)
J/c a7 & a8 (left side of engine compt)
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)
Ja3
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 F Sport 2011

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List of elements for A/T Wiring Diagram (2 of 3) for Lexus IS 250 F Sport 2011:

(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
Ae1
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 (left side of engine compt)
J/c a29 & j10 (left kick panel)
J/c a33 & j80 (right kick panel)
J10
J34
J4 (right kick panel)
J80
Ja3
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 F Sport 2011

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List of elements for A/T Wiring Diagram (3 of 3) for Lexus IS 250 F Sport 2011:

(left rear of engine) e1
(left side of engine compt) j/c e1
(rear of engine) engine coolant temperature sensor
4wd circuit
A30
Ae1
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 F Sport 2011

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List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250 F Sport 2011:

(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
Jq1
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 F Sport 2011

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List of elements for Seat Belt Warning Wiring Diagram for Lexus IS 250 F Sport 2011:

(left "b" pillar) left front door courtesy switch
(left kick panel) j1
(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
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
Hot at all times
Hot w/ ig 2 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
Ja3
Jp2
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
Pq2
Pt1
Pt2
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
Tire pressure warning ecu (center of dash)
Vps
W/ navigation
W/ occupant classification system & power seat
W/o navigation
W/o occupant classification system & power seat