All Wiring Diagrams for Lexus IS 250 2014 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250 2014

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250 2014:

• +b1
• 5v ic
• A/c amplifier assembly (center of dash)
• A/c fuse 7.5a
• A/c pressure sensor (liquid tube sub-assembly a) (left side of radiator)
• A/c room temperature sensor (cooler thermistor) (left center of dash)
• A52
• A53
• A54
• A55
• Ambient temperature sensor (cooler thermistor) (left center of front bumper fascia)
• Automatic light control sensor (right side of dash, at base of windshield)
• Ba1
• Blw
• C23
• Can i/f
• Canh
• Canl
• Cltb
• Clte
• Clts
• Combination meter assembly
• Combination switch assembly
• Computer data lines system
• Cpu
• Defogger system
• Display driver
• Eco mode switch
• Ecos
• Ecu-ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Fdef
• Gnd
• Hot at all times
• Hot w/ ig 2 relay energized
• Hot w/ ig1 3 relay energized
• Ig+
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• K10
• K11
• Ka (left kick panel)
• Ka1
• Ka2
• Kc (right kick panel)
• Kd (center of dash)
• Kl1
• Lin1
• Lout
• Main body ecu
• Meter fuse 7.5a
• Mgc
• Mpx-b 1 fuse 10a
• Pnk
• Pre
• Ptc1
• Ptc2
• Rdef
• Red
• Rlin
• Rout
• S5-3
• Seats system
• Sg-1
• Shd+
• Shp+
• Sol+
• Solar sensor
• Swl2
• Tam
• Tsl
• Tsr

Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250 2014

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250 2014:

• (left side of engine compt) j/c 5
• (right center of dash) blower motor w/ fan sub-assembly
• 2.5l
• 2wd
• 3.5l
• 4wd
• A/c control assembly
• A/c switch
• A76
• A77
• Ag (right end of dash)
• Canh
• Canl
• Certification ecu (right end of dash)
• Cnh1
• Cnl1
• Computer data lines system
• Cooler compressor assembly (left front of engine)
• D12
• E.f.i. engine coolant temperature sensor (right rear of engine)
• Engine control module (ecm) (left front of engine compt)
• Engine controls system
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• F65
• F66
• F75
• F76
• Fa1
• Frly
• Gnd
• Gnd1
• Ground j/c 1 (left rear of engine compt)
• Haz
• Hazard switch
• Hot at all times
• Htr fuse 50a
• Ig+
• Ill+
• Ill-
• Ind
• Interior lights system
• J/c 2 (left side of engine compt)
• K58
• K61
• K72
• K73
• K74
• Ka (left kick panel)
• Ka1
• Ke (under center console)
• Lin 1
• Ljb
• Mg+
• Mo+
• Mo-
• Multi-display assembly
• P-ab
• Paon
• Passenger air bag on/off indicator
• Pnk
• Ptc htr 1 fuse 50a
• Ptc htr 1 relay (w/ cold area)
• Ptc htr 2 fuse 50a
• Ptc htr 2 relay (w/ cold area)
• Radio receiver assembly
• Rear window defogger switch & mirror heater switch
• Red
• Remote operation switch
• Rfc
• Security indicator
• Semiconductor power integration ecu
• Sol+
• Sol-
• Ssr+
• Ssr-
• Thw
• Tx+
• Tx-
• Tx2+
• Tx2-
• Tx3+
• Tx3-
• Tx4+
• Tx4-
• W/ navigation
• W/o navigation

Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250 2014

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250 2014:

• (in hvac unit) (w/ cold area) quick heater assembly
• +b1
• A/c amplifier assembly (center of dash)
• A/c evaporator temperature sensor
• A/c harness assembly
• A42
• Ad (right front of engine compt)
• B bus
• Bus
• Bus g
• Connector housing color (black)
• Connector housing color (gray)
• Connector housing color (green)
• Connector housing color (red)
• Cooling fan ecu (left front of engine compt)
• Cooling fan motor (left front of engine compt)
• Cooling fan motor 2 (right front of engine compt)
• Damper servo motor (air inlet)
• Damper servo motor (def)
• Damper servo motor (driver side air vent mode)
• Damper servo motor (driver side lower air mix)
• Damper servo motor (driver side upper air mix)
• Damper servo motor (front passenger side lower air mix)
• Damper servo motor (front passenger side upper air mix)
• Defogger system
• Eng-ig 1 fuse 10a
• Engine room r/b 2 (left side of engine compt)
• Fan fuse 80a
• Fan relay
• Ground j/c 1 (left rear of engine compt)
• Hot at all times
• Hot w/ ig1 main relay energized
• J/c 1 (left side of engine compt)
• K11
• K13
• K14
• Ka1
• Ka5
• Kd (center of dash)
• Lock
• M+ z10
• M+ z9
• Red
• Seats system
• Sg-2
• Sg-3
• Sg-4
• Sga
• Sw 6
• Tea

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus IS 250 2014

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus IS 250 2014:

• (or pnk)
• +bs
• 2wd
• 4wd
• Aa (right front of engine compt)
• Ab (left rear of engine compt)
• Abs 1 fuse 30a
• Abs 2 fuse 50a
• Ae (right rear of engine compt)
• Ap1
• Aq2
• Ah1
• Becu
• Brake actuator assembly (left rear of engine compt)
• Brake pedal sensing switch (brake pedal support assembly) (left side of dash)
• C15
• Ca2h
• Ca2l
• Canh
• Canl
• Combination switch assembly
• Computer data lines system
• Csw
• Ecu-b fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Fl+
• Fl-
• Fr+
• Fr-
• Fsw+
• Gnd1
• Gnd2
• Hot at all times
• Ig1
• Instrument panel j/b (left end of dash)
• Ka (left kick panel)
• Ka1
• Kc (right kick panel)
• Left front speed sensor (left front wheel hub assembly)
• Left rear speed sensor (left rear wheel hub assembly)
• Main body ecu
• Mpx-b 1 fuse 10a
• Parking brake switch assembly (left side of dash)
• Pkb
• Pnk
• Red
• Right front speed sensor (right front wheel hub assembly)
• Right rear speed sensor (right rear wheel hub assembly)
• Rl+
• Rl-
• Rr+
• Rr-
• Sp1
• Stp
• Stp2
• Stpo
• Vsc off switch
• Ha1

Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus IS 250 2014

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus IS 250 2014:

• (right kick panel) kc
• +bi
• +bo
• 5v ic
• 5v+b
• A42
• A53
• A54
• A56
• A76
• Ab (left rear of engine compt)
• Acc
• Ae (right rear of engine compt)
• Bat
• Brake fluid level warning switch (brake master cylinder reservoir assembly) (brake fluid reservoir)
• C13
• Can i/f
• Canh
• Canl
• Cnh2
• Cnl2
• Combination meter assembly
• Computer data lines system
• Cpu
• D10
• D11
• D14
• Ecm (left front of engine compt)
• Ecu-ig1 1 fuse 10a
• Eng-ig 2 fuse 5a
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Ess
• Exterior lights system
• Front steering control ecu (right side of dash)
• Gnd
• Hot at all times
• Hot w/ ig1 2 relay energized
• Hot w/ ig1 3 relay energized
• Hot w/ ig1 main energized
• Hot w/ ig2 relay energized
• I/f
• Ic1
• Ig+
• Ig1
• Ig1 2 fuse 10a
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• J/b-b fuse 10a
• J/c a69 (left side of engine compt)
• K17
• Ka1
• Ka2
• Kc (right kick panel)
• Led driver
• Meter fuse 7.5a
• Out
• Pnk
• Red
• Semiconductor power integration ecu
• Spd
• Speaker
• Ss1+
• Ss1-
• Steering sensor (on steering column)
• Stop fuse 5a
• Stop lamp switch (left side of dash)
• Stp
• Telltales
• W/ vgrs
• W/o vgrs
• Wiper/ washer system
• Yaw rate sensor (under center console)

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (1 of 7) for Lexus IS 250 2014:

• A19
• Act+
• Act-
• Actd
• All door lock relay
• B10
• B11
• B17
• B21
• B23
• B24
• B25
• B26
• B27
• Becu
• Bzr
• C24
• C26
• C28
• C29
• Canh
• Canl
• Computer data lines system
• D door unlock relay
• D/l fuse 30a
• D10
• D16
• D25
• D34
• Domr
• Door unlock switch sub assembly (center of rear of trunk lid)
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Exterior lights system
• Flcy
• Frcy
• Gbs
• Gnd1
• Hcty
• Headlights system
• Horn
• Horns system
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hrly
• Ile
• Instrument panel j/b (left end of dash)
• Interior lights system
• Ka (left kick panel)
• Kc (right kick panel)
• Kp1
• Kq1
• Kq2
• L/d door unlock relay
• Lcty
• Left front door courtesy light switch assembly (left "b" pillar)
• Lgcy
• Lin2
• Lsfl
• Lsfr
• Lswl
• Lswr
• Luggage door opening cancel switch switch assembly
• Main body ecu (in instrument panel j/b)
• P/w fuse 5a
• Pnk
• Prg
• Qb (left side of trunk)
• Rcty
• Rda
• Red
• Right front door courtesy light switch assembly (right "b" pillar)
• Sscl
• Tkul
• Tmsw
• Tr+
• Trly
• Trunk opn fuse 7.5a
• Trunk opn relay
• Tsw
• Ul1
• Ul3

Forced Entry Wiring Diagram (2 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (2 of 7) for Lexus IS 250 2014:

• (inside left front wheel well) wireless door lock buzzer
• 12v
• Ae (right rear of engine compt)
• Ba1
• Control circuit
• Door lock & unlock switch
• Gnd
• Ground j/c 1 (left rear of engine compt)
• Hood courtesy switch (hood lock assembly) (center front of engine compt)
• J/c 7 (left front door)
• Ka (left kick panel)
• Ka4
• Kp1
• Left rear door courtesy light switch assembly (left "c" pillar)
• Lin1
• Luggage door opening switch assembly
• Multiplex network master switch assembly
• Nb (rear of left front door)
• Nq1
• Op1
• Pa (right "b" pillar)
• Pnk
• Red
• Regulator
• Right rear door lock w/ motor assembly (right rear door)
• Unlock detection
• W/ memory
• W/o memory

Forced Entry Wiring Diagram (3 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (3 of 7) for Lexus IS 250 2014:

• (front passenger's door) right front door lock w/ motor assembly
• (left rear door) left rear door lock w/ motor assembly
• Ap1
• Cont
• Detection unlock
• Door lock
• Door unlock
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Kp1
• Kp3
• Kq1
• Left front door lock w/ motor assembly (driver's door)
• Lock key
• Lssr
• Na (rear of right front door)
• Nb (rear of left front door)
• Np1
• Nq1
• Oq1
• Pb (right "c" pillar)
• Pnk
• Qa (left "b" pillar)
• Red
• Right front power window regulator switch assembly
• Right rear door courtesy light switch assembly (right "c" pillar)
• S-horn fuse 10a
• S-horn relay (if equipped)
• Security horn (right side of engine compt)
• Theft warning siren (w/o security horn) (right rear corner of trunk)
• Unlock key

Forced Entry Wiring Diagram (4 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (4 of 7) for Lexus IS 250 2014:

• (left side of dash) stop lamp switch
• 5v ic
• A53
• Ae (right rear of engine compt)
• B30
• Brake actuator (left rear of engine compt)
• C31
• C32
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Eng-ig 2 fuse 5a
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• I/f
• Ic1
• Ig+
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Led driver
• Luggage compartment door lock assembly
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Qb (left side of trunk)
• Red
• Sp1
• Speaker
• Stop fuse 5a
• Telltales

Forced Entry Wiring Diagram (5 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (5 of 7) for Lexus IS 250 2014:

• A10
• A22
• A44
• Agnd
• Am2 fuse 7.5a
• Antenna coil
• Anti-theft system
• Code
• Computer data lines system
• D30
• Engine switch
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ig2
• Ige
• Ign 2 fuse 7.5a
• Instrument panel j/b (left end of dash)
• J/b-am fuse 10a
• Ka (left kick panel)
• Ka1
• Kk1
• Lin
• Option connector (center of dash)
• Red
• Slp1
• Ss1
• Ss2
• Steering lock actuator (steering column)
• Strg lock fuse 20a
• Swil
• Txct
• Vc5

Forced Entry Wiring Diagram (6 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (6 of 7) for Lexus IS 250 2014:

• (left front of engine compt) engine control module (ecm)
• (right end of dash) certification ecu
• A13
• A76
• A77
• Ante8
• Canh
• Canl
• Clgb
• Computer data lines system
• Csel
• Cutb
• Data
• Electrical key antenna (in front of center of rear bumper)
• Gnd
• Ig1d
• Ka2
• Ka4
• Kq2
• Kq3
• Ksw
• Neo
• Pnk
• Power distribution system
• Prg
• Qb (left side of trunk)
• Rda
• Red
• Sksw
• Sta
• Star
• Starting/ charging system
• Stp1
• Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly) (left "c" pillar)

Forced Entry Wiring Diagram (7 of 7) for Lexus IS 250 2014

List of elements for Forced Entry Wiring Diagram (7 of 7) for Lexus IS 250 2014:

• (under center console) shift lock control ecu
• A/c control assembly
• Accd
• Agnd
• Ant1
• Ant2
• Ante5
• Ante6
• Ante7
• Anti-theft system
• Canh
• Canl
• Certification ecu (right end of dash)
• Cg1b
• Cg2b
• Cg5b
• Cg6b
• Cg7b
• Cg8b
• Clg1
• Clg2
• Clg5
• Clg6
• Clg7
• Clg8
• Clgb
• Code
• Computer data lines system
• Csel
• Gnd
• Ind
• Indoor electrical key antenna assembly 1
• Ka (left kick panel)
• Kc (right kick panel)
• Kp1
• Kq1
• Kq3
• Left front door outside handle assembly
• Lin
• Luggage electrical key switch (center rear of trunk)
• Np1
• Nq1
• Pnk
• Power distribution system
• Qb (left side of trunk)
• Rco
• Rdam
• Rear indoor electrical key antenna assembly 1 (center front of trunk)
• Rear indoor electrical key antenna assembly 2 (left rear corner of trunk)
• Red
• Right front door outside handle assembly
• Security indicator
• Slp
• Slr+
• Spd
• Ssw1
• Ssw2
• Swil
• Tsw5
• Txct
• Vc5

Immobilizer Wiring Diagram for Lexus IS 250 2014

List of elements for Immobilizer Wiring Diagram for Lexus IS 250 2014:

• A30
• A77
• Certification ecu (right end of dash)
• Efii
• Efio
• Engine control module (ecm) (left front of engine compt)
• Gnd
• Hot at all times
• Id code box (left side of dash)
• Imi
• Imo
• Instrument panel j/b (left end of dash)
• Ka7
• Kd (center of dash)
• Kk1
• Lin
• Lin1
• Pnk
• Smart fuse 5a
• Steering lock actuator (steering column)

BODY CONTROL MODULES

Body ECU Wiring Diagram (1 of 4) for Lexus IS 250 2014

List of elements for Body ECU Wiring Diagram (1 of 4) for Lexus IS 250 2014:

• (right kick panel) kc
• A36
• Acc
• Acc relay
• Act+
• Act-
• Actd
• Ahbi
• B10
• B11
• B17
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• Becu
• Bzr
• C15
• C24
• C25
• C26
• C27
• C28
• C29
• Cann
• Canp
• D16
• D25
• D26
• Dmdr
• Dmon
• Domr
• Door locks & anti-theft systems
• Drle
• Ecu-acc fuse 7.5a
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Exterior lights & interior lights systems
• Ffgo
• Flcl
• Frcl
• Fspt
• Fuel
• Gnd1
• Gsw
• Headlights system
• Horn
• Horns system
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hrly
• Ile
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• Interior lights system
• Lcty
• Lgcy
• Lin2
• Lsfl
• Lsfr
• Lswl
• Lswr
• Main body ecu (in instrument panel j/b)
• Mile
• Navigation & sound systems
• Pkb
• Pnk
• Power windows system
• Rcty
• Red
• Rev
• Sscl
• Tr+
• Trly
• Trunk, tailgate, fuel doors system
• Tsw
• Ul1

Body ECU Wiring Diagram (2 of 4) for Lexus IS 250 2014

List of elements for Body ECU Wiring Diagram (2 of 4) for Lexus IS 250 2014:

• (right front door) (w/ memory) right outer mirror control ecu
• (upper right side of dash) can junction terminal 1
• A19
• Ca1h
• Ca1l
• Can junction connector 3 (right kick panel)
• Can junction connector 4 (left end of dash)
• Canh
• Canl
• Cann
• Canp
• Cnh1
• Cnl1
• Front steering control ecu (w/ vgrs system) (right side of dash)
• K17
• Ka4
• Kc (right kick panel)
• Kp2
• Kq1
• Left front power seat switch (w/ memory)
• Left outer mirror control ecu (w/ memory) (left front door)
• Multiplex tilt & telescopic ecu (if equipped) (on steering column)
• N24
• Np1
• Nq1
• Pnk
• Power steering ecu (right rear of engine compt)
• Qb1
• Red
• B12

Body ECU Wiring Diagram (3 of 4) for Lexus IS 250 2014

List of elements for Body ECU Wiring Diagram (3 of 4) for Lexus IS 250 2014:

• (left end of dash) can junction connector 2
• (left front of engine compt) engine control module (ecm)
• (left side of dash) data link connector (dlc) 3
• (under center console) yaw rate sensor
• A77
• Can junction connector 1 (right end of dash)
• Canh
• Canl
• Combination meter assembly
• K58
• K72
• Ka2
• Pnk
• Radio receiver assembly
• Red
• W/ navigation system
• W/o navigation system

Body ECU Wiring Diagram (4 of 4) for Lexus IS 250 2014

List of elements for Body ECU Wiring Diagram (4 of 4) for Lexus IS 250 2014:

• (left kick panel) headlight leveling ecu assembly
• (left rear of engine compt) brake actuator assembly
• (on steering column) steering sensor
• (under center console) air bag sensor assembly
• A/c amplifier assembly (center of dash)
• A51
• Acan
• Ca1h
• Ca1l
• Canh
• Canl
• Cann
• Canp
• Certification ecu (right end of dash)
• Cltb
• Clte
• Clts
• Dcm (telematics transceiver) (w/ lexus enform & safety connect) (left side of dash)
• Dim
• Door locks & anti-theft systems
• Door locks, anti-theft & warning systems
• Exterior lights system
• Ffog
• Flcy
• Frcy
• Gbs
• Hcty
• Head
• Headlights system
• Interior lights system
• K11
• K66
• Ka2
• Llew
• Main body ecu (in instrument panel j/b)
• Network gateway ecu (if equipped) (right side of dash)
• Pnk
• Prg
• Rda
• Red
• Rlew
• Tail
• Tcyl
• Tkul
• Tmsw
• Trunk, tailgate, fuel doors system
• Ul3

Semiconductor Power Integration ECU Wiring Diagram for Lexus IS 250 2014

List of elements for Semiconductor Power Integration ECU Wiring Diagram for Lexus IS 250 2014:

• Ab (left rear of engine compt)
• Acc
• Air conditioning system
• Alt
• Anti-lock brakes system
• Batt
• D10
• D11
• D12
• D14
• Defogger system
• Drll
• Drlr
• Drls
• Eng-ig 2 fuse 5a
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Exterior lights system
• F10
• Headlights & exterior lights systems
• Headlights system
• Hot at all times
• Hot w/ ig1 main relay energized
• J/c 1 (left side of engine compt)
• Out
• P/i-am fuse 80a
• P/i-b fuse 100a
• Pnk
• Red
• Semiconductor power integration ecu
• Stp
• Tail

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 3) for Lexus IS 250 2014

List of elements for Computer Data Lines Wiring Diagram (1 of 3) for Lexus IS 250 2014:

• A76
• A77
• Bat
• Can+
• Can-
• Canh
• Canl
• Cann
• Canp
• Cnh1
• Cnh2
• Cnl1
• Cnl2
• Combination meter assembly
• Data link connector 3 (left side of dash)
• Dcm (telematics transceiver) (left side of dash)
• Dia
• Engine control module (ecm) (left front of engine compt)
• Fa (left rear of engine)
• Hot at all times
• Instrument panel j/b (left end of dash)
• K58
• K61
• K66
• K72
• K73
• K74
• K78
• Ka (left kick panel)
• Ka1
• Ka2
• Kp1
• Kp2
• Mo+
• Mo-
• Msch
• Mscl
• Multi-display assembly
• Obd fuse 7.5a
• Occupant detection ecu (under front passenger's seat)
• P24
• Pnk
• Pa2
• Radio receiver assembly
• Red
• Remote operation switch (w/ navigation system)
• Remote operation switch (w/o navigation system)
• Sil
• Stereo component amplifier assembly (8 speaker) (right rear of trunk)
• Tac
• Tach
• Transmission control ecu assembly (3.5l rwd) (left front of engine compt)
• Tx+
• Tx-
• Tx1+
• Tx1-
• Tx2+
• Tx2-
• Tx3+
• Tx3-
• Tx4+
• Tx4-
• W/ lexus enform
• W/ navigation system
• W/ safety connect
• W/o navigation system
• A14

Computer Data Lines Wiring Diagram (2 of 3) for Lexus IS 250 2014

List of elements for Computer Data Lines Wiring Diagram (2 of 3) for Lexus IS 250 2014:

• (right kick panel) can j/c 3
• 4wd control ecu (if equipped) (right side of dash)
• A/c amplifier assembly (center of dash)
• A19
• A43
• A49
• Air bag sensor assembly (under center console)
• Batt
• Ca1h
• Ca1l
• Ca2h
• Ca2l
• Ca3h
• Ca3l
• Can j/c 1 (right end of dash)
• Can j/c 2 (left end of dash)
• Can junction terminal 1 (upper right side of dash)
• Canh
• Canl
• Cann
• Canp
• Certification ecu (right end of dash)
• Cnh1
• Cnh2
• Cnl1
• Cnl2
• Ecu-ig1 2 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Front steering control ecu (w/ vgrs system) (right side of dash)
• Gnd
• Headlight leveling ecu assembly (left kick panel)
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig1
• Ig2
• Ign 2 fuse 7.5a
• Instrument panel j/b (left end of dash)
• K11
• K17
• K29
• K30
• K51
• Ka2
• Ka4
• Kc (right kick panel)
• Kd (center of dash)
• Kp2
• Mpx-b 1 fuse 10a
• Network gateway ecu (if equipped) (right side of dash)
• Np1
• Pnk
• Power steering ecu assembly (right rear of engine compt)
• Red
• Right outer mirror control ecu assembly (w/ memory) (right front door)
• Steering sensor (on steering column)
• W/ adaptive variable suspension
• W/ lexus enform
• W/ network gateway ecu
• W/ vgrs system
• W/o vgrs system
• Yaw rate sensor (under center console)

Computer Data Lines Wiring Diagram (3 of 3) for Lexus IS 250 2014

List of elements for Computer Data Lines Wiring Diagram (3 of 3) for Lexus IS 250 2014:

• (front left side of trunk) j/c 8
• (left corner of rear bumper) (if equipped) left blind spot monitor sensor
• (middle of left "a" pillar) j/c 10
• (right corner of rear bumper) (if equipped) right blind spot monitor sensor
• (top center of windshield) (if equipped) lane departure warning camera
• (top of right center of dash) can j/c 5
• Absorber control ecu (right side of dash)
• Ba1
• Brake actuator assembly (left rear of engine compt)
• Ca1n
• Ca1p
• Ca2h
• Ca2l
• Ca2n
• Ca2p
• Can j/c 4 (left end of dash)
• Can junction terminal 2 (w/ network gateway ecu) (upper left end of dash)
• Can+
• Can-
• Canh
• Canl
• Cann
• Canp
• Clearance warning ecu assembly (w/ intuitive parking assist system) (left end of dash)
• Driving support ecu assembly (w/ dynamic radar cruise control) (left side of dash)
• K39
• Ka2
• Kc (right kick panel)
• Kq1
• Kq3
• Ks1
• Left front power seat switch (w/ memory)
• Left outer mirror control ecu assembly (w/ memory) (left front door)
• Main body ecu (in instrument panel j/b)
• Millimeter wave radar sensor assembly (w/ dynamic radar cruise control) (behind right center of grille)
• Mk1
• Multiplex tilt & telescopic ecu (if equipped) (on steering column)
• N24
• Nq1
• Option connector (center of dash)
• Pnk
• Qb1
• Red
• W/ adaptive variable suspension
• W/ network gateway ecu
• W/ vgrs system

COOLING FAN

Cooling Fan Wiring Diagram for Lexus IS 250 2014

List of elements for Cooling Fan Wiring Diagram for Lexus IS 250 2014:

• (left side of engine compt) j/c 5
• +b1
• 2.5l
• 3.5l
• A42
• A76
• A77
• Ad (right front of engine compt)
• Canh
• Canl
• Computer data lines system
• Cooling fan ecu (left front of engine compt)
• Cooling fan motor (left front of engine compt)
• Cooling fan motor 2 (right front of engine compt)
• E.f.i. engine coolant temperature sensor (right rear of engine)
• Eng-ig 1 fuse 10a
• Engine control module (ecm) (left front of engine compt)
• Engine controls system
• Engine room r/b 2 (left side of engine compt)
• F75
• F76
• Fan fuse 80a
• Fan relay
• Ground j/c 1 (left rear of engine compt)
• Hot at all times
• Hot w/ ig1 main relay energized
• M+ z10
• M+ z9
• Red
• Rfc
• Thw

CRUISE CONTROL

Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 250 2014

List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 250 2014:

• (left front of engine compt) transmission control ecu assembly
• +b2
• A13
• A41
• A76
• A77
• Acc relay
• Accd
• Accelerator pedal sensor (under left side of dash)
• Ae (right rear of engine compt)
• B19
• Batt
• C10
• C19
• C20
• Can+
• Can-
• Canh
• Canl
• Certification ecu (right end of dash)
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• E03
• Ecu-acc fuse 7.5a
• Efi main 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 (left side of engine compt)
• Epa
• Epa2
• Eta
• Fa (left rear of engine)
• Fa1
• Ge01
• Gnd
• Hot at all times
• Hot w/ ig1 2 relay energized
• Hot w/ ig1 3 relay relay energized
• Ic1
• Ic2
• Ig1 2 fuse 10a
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Mrel
• Nca
• Pnk
• Red
• Spd
• St1-
• Stop fuse 5a
• Stop light switch assembly (left side of dash)
• Stp
• Stp1
• Throttle body assembly w/ motor (right rear of engine)
• Vcp2
• Vcpa
• Vcta
• Vpa
• Vpa2
• Vta
• Vta2

Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 250 2014

List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 250 2014:

• (left side of dash) skid control buzzer assembly
• (right kick panel) kc
• +res
• -set
• A52
• A53
• Acc
• Ba1
• Ca1n
• Ca1p
• Ca2h
• Ca2l
• Cancel
• Cchg
• Ccs
• Computer data lines system
• Control distance
• Cruise control switch
• Cruise control switch wire
• D10
• Driving support ecu assembly (left side of dash)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fa (left rear of engine)
• Gnd
• Hot w/ ig1 3 relay energized
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• Ig1
• Ig1 3 fuse 10a
• Igb
• Instrument panel j/b (left end of dash)
• K26
• Ka (left kick panel)
• Ka1
• Kd (center of dash)
• Meter fuse 7.5a
• Millimeter wave radar sensor (behind right center of grille)
• Mk1
• Mode
• Navigation system
• On-off
• Out
• Pbsw
• Pnk
• Pre-collision system cancel switch
• Radar ig fuse 5a
• Red
• Right steering pad switch
• Semiconductor power integration ecu
• Sgnd
• Shift interlock system
• Spiral cable sensor sub-assembly (under steering wheel) z4
• Spsw
• St1-
• Steering pad switch assembly
• Stp
• Stp-
• Wip2
• Wiper/washer system

Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 250 2014

List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 250 2014:

• (left rear of engine compt) brake actuator assembly
• 2wd
• 5v ic
• A49
• Ap1
• Aq2
• Awd
• Ah1
• Can i/f
• Canh
• Canl
• Combination meter
• Computer data lines system
• Cpu
• Driver display
• Ecu-ig1 2 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• F75
• F76
• Fa1
• Fl+
• Fl-
• Fr+
• Fr-
• Hot at all times
• Hot w/ ig1 2 relay energized
• I/f
• Ig+
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• J/c 5 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Lcd driver
• Left front speed sensor (left front wheel hub assembly)
• Left rear speed sensor (left rear wheel hub assembly)
• Mpx-b 1 fuse 10a
• Park/neutral position switch (right side of transmission)
• Pnk
• Red
• Right front speed sensor (right front wheel hub assembly)
• Right rear speed sensor (right rear wheel hub assembly)
• Rl+
• Rl-
• Rr+
• Rr-
• Shift position indicator
• Sp1
• Speaker
• Stp
• Stp2
• Stpo
• Telltales
• Ha1

Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 250 2014

List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 250 2014:

• +b2
• A76
• A77
• Acc relay
• Accd
• Accelerator pedal sensor (under left side of dash)
• B19
• Batt
• C10
• C20
• Canh
• Canl
• Ccs
• Certification ecu (right end of dash)
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• E03
• Ecu-acc fuse 7.5a
• Efi main 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
• Eta
• Fa (left rear of engine)
• Fa1
• Ge01
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ic1
• Ic2
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• Ka1
• Ka7
• Kc (right kick panel)
• Mrel
• Nca
• Pnk
• Red
• Spd
• St1-
• Stp
• Throttle body assembly w/ motor (right rear of engine)
• Vcp2
• Vcpa
• Vcta
• Vpa
• Vpa2
• Vta
• Vta2

Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 250 2014

List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 250 2014:

• (left front of engine compt) transmission control ecu assembly
• (left side of engine compt) engine room j/b 2
• +res
• -set
• A41
• Acc
• Ae (right rear of engine compt)
• C19
• Can+
• Can-
• Cancel
• Computer data lines system
• Cruise control switch
• Cruise control switch wire
• D10
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fa (left rear of engine)
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ic1
• Ic2
• Ign 2 fuse 7.5a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• K108
• K132
• K26
• Mpx-b1 fuse 10a
• On-off
• Out
• Pnk
• Red
• Semiconductor power integration ecu
• Shift interlock system
• Short connector (left side of dash)
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Stop fuse 5a
• Stop light switch assembly (left side of dash)
• Stp

Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 250 2014

List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 250 2014:

• (left rear of engine compt) brake actuator assembly
• 2wd
• 5v ic
• A53
• Ap1
• Aq2
• Awd
• Ah1
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• F75
• F76
• Fa1
• Fl+
• Fl-
• Fr+
• Fr-
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Instrument panel j/b (left end of dash)
• J/c 5 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Lcd driver
• Left front speed sensor (left front wheel hub assembly)
• Left rear speed sensor (left rear wheel hub assembly)
• Meter fuse 5a
• Navigation system
• Park/neutral position switch (right side of transmission)
• Pnk
• Red
• Right front speed sensor (right front wheel hub assembly)
• Right rear speed sensor (right rear wheel hub assembly)
• Rl+
• Rl-
• Rr+
• Rr-
• Shift position indicator
• Sp1
• Speaker
• Stp
• Stp2
• Stpo
• Telltales
• Ha1

DEFOGGERS

Front Deicer Wiring Diagram for Lexus IS 250 2014

List of elements for Front Deicer Wiring Diagram for Lexus IS 250 2014:

• +b1
• A/c amplifier (center of dash)
• A/c fuse 7.5a
• A52
• A55
• Ab (left rear of engine compt)
• Ac (left rear of engine compt)
• Batt
• Canh
• Canl
• Computer data lines system
• D14
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Fdef
• Front window deicer (windshield glass)
• Front window deicer switch
• Gnd
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c 3 (right end of dash)
• K10
• K11
• Ka1
• Kd (center of dash)
• Outer mirror heater switch assembly
• P/i-b fuse 100a
• Pnk
• Red
• Semiconductor power integration ecu
• Sw 6
• Swl2

Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250 2014

List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250 2014:

• (left kick panel)
• (right "b" pillar)
• (w/o memory & w/ cold area spec) mir htr relay
• +b1
• A/c amplifier (center of dash)
• A/c control assembly
• A/c fuse 10a
• A52
• A55
• Ab (left rear of engine compt)
• Ac (left rear of engine compt)
• Alt
• Aq3
• Canh
• Canl
• Cann
• Canp
• Computer data
• Computer data lines system
• D14
• D36
• Def+
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig+
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 6 (right front door)
• J/c 7 (left front door)
• J/c a73
• K10
• K11
• Ka1
• Kd (center of dash)
• Kp3
• Left outer mirror control ecu (w/ memory & cold area spec) (left front door)
• Left outer rear view mirror assembly (w/o memory & w/ cold area spec)
• Left outer rearview mirror assembly
• Lin 1
• Lines system
• Mir htr fuse 15a
• Mirror heater
• N24
• Np1
• Nq1
• P/i-am fuse 80a
• P30
• Pd (right "c" pillar)
• Pnk
• Q54
• Qa (left "b" pillar)
• Radio setting condenser (rear window defogger) (left "c" pillar)
• Rdef
• Rear window defogger (back window glass)
• Rear window defogger switch & mirror heater switch
• Right outer mirror control ecu (w/ memory & cold area spec) (right front door)
• Right outer rear view mirror assembly (w/o memory & w/ cold area spec)
• Right outer rearview mirror assembly
• Rlin
• Semiconductor power integration ecu
• Z11
• Z12

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Lexus IS 250 2014

List of elements for Electronic Power Steering Wiring Diagram for Lexus IS 250 2014:

• (right kick panel) kc
• (right rear of engine compt) ae
• 5v ic
• 5v+b
• A19
• A53
• A54
• Bat
• Ca1h
• Ca1l
• Ca3h
• Ca3l
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines
• Computer data lines system
• Cpu
• Css+
• Css-
• Ecu-ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Eps fuse 80a
• Eps relay
• Eps-b fuse 5a
• Eps-ig fuse 5a
• Ess
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• Ig+
• Ig1
• Incs
• Insn
• Instrument panel j/b (left end of dash)
• Led driver
• Meter fuse 7.5a
• Mpx-bi fuse 10a
• Nca
• Oucs
• Ousn
• Pgnd
• Pig
• Pnk
• Power
• Power steering ecu assembly (right rear of engine compt)
• Power steering link assembly
• Power steering torque sensor
• Red
• Resolver sensor
• Rly
• Rzcs
• Rzg
• Rzg srzg
• Rzsn
• Rzv
• Ss1+
• Ss1-
• Steering motor
• Steering sensor (on steering column)
• System
• Telltales
• Tqg1
• Tqg2
• Trqv
• Windshield wiper switch assembly

Power Tilt Steering Column Wiring Diagram for Lexus IS 250 2014

List of elements for Power Tilt Steering Column Wiring Diagram for Lexus IS 250 2014:

• (center of dash) kd
• A11
• A54
• Cann
• Canp
• Computer data lines system
• Ecu-ig1 1 fuse 10a
• Ecub
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig1 3 relay energized
• Instrument panel j/b (left end of dash)
• K20
• K21
• Ka (left kick panel)
• Kd (center of dash)
• Mpx-b1 fuse 10a
• Msw
• Multiplex tilt & telescopic ecu (on steering column)
• Pnk
• Red
• Telescopic motor
• Telescopic shorten
• Telescopic stretch
• Tem+
• Tem-
• Tes
• Ti & te fuse 20a
• Tilt & telescopic switch
• Tilt down
• Tilt motor
• Tilt steering gear w/ motor assembly (at steering column)
• Tilt up
• Tim+
• Tim-
• Tis
• Vce
• Vci

Progressive Power Steering Wiring Diagram for Lexus IS 250 2014

List of elements for Progressive Power Steering Wiring Diagram for Lexus IS 250 2014:

• (right end of dash) ag
• (right kick panel)
• (under center console) kb
• +bi
• +bo
• 5v ic
• 5v+b
• A42
• A53
• A54
• A56
• A60
• Bat
• Bmu
• Bmu+
• Bmv
• Bmv+
• Bmw
• Bmw+
• Can i/f
• Canh
• Canl
• Cnh1
• Cnh2
• Cnl1
• Cnl2
• Combination meter assembly
• Computer data lines system
• Cpu
• Css+
• Css-
• Ecu-ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Ess
• Front steering control ecu (right side of dash)
• Hot at all times
• Hot w/ ig1 2 relay energized
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig+
• Ig1
• Ig1 2 fuse 10a
• Instrument panel j/b (left end of dash)
• J/b-b fuse 10a
• K16
• K17
• K18
• Kc (right kick panel)
• Led driver
• Lg+
• Lv+
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Nca
• Pgd2
• Pgnd
• Pig
• Pnk
• Red
• Rg+
• Rv+
• S1+
• S2+
• Sg2+
• Ss1+
• Ss1-
• Ss2+
• Ss2-
• Steering actuator assembly (left side of dash)
• Steering sensor (on steering column)
• Telltales
• Vgrs fuse 40a
• Windshield wiper switch assembly

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Lexus IS 250 2014

List of elements for Electronic Suspension Wiring Diagram for Lexus IS 250 2014:

• (9 to 30 pins not used)
• 5v ic
• 5v+b
• A53
• A64
• A76
• A77
• Absorber control ecu (right side of dash)
• Avs fuse 20a
• Ca2h
• Ca2l
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Combination switch assembly
• Computer data
• Computer data lines system
• Cpu
• Driver display
• E fl
• E fr
• E rl
• E rr
• Engine control module (ecm) (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)
• Fal+
• Fal-
• Far+
• Far-
• Fbl+
• Fbl-
• Fbr+
• Fbr-
• Gnd
• Ground j/c 1 (left rear of engine comp)
• Hot at all times
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• Ig+
• Instrument panel j/b (left end of dash)
• J/c 2 (left side of engine compt)
• K39
• Ka (left kick panel)
• Ka1
• Kc (right kick panel)
• Kp3
• Left front absorber control actuator (left front shock absorber)
• Left front acceleration sensor
• Left rear absorber control actuator (on left rear rear absorber)
• Lines system
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Norm
• P16
• Pb (right "c" pillar)
• Pnk
• Pq2
• Push normal
• Pwr
• Qb (left side of trunk)
• Ral+
• Ral-
• Rar+
• Rar-
• Rbl+
• Rbl-
• Rbr+
• Rbr-
• Red
• Right front absorber control actuator (right front shock absorber)
• Right rear absorber control actuator (on right rear rear absorber)
• Right rear acceleration sensor
• Sgb
• Sgb1
• Sgb2
• Sgfl
• Sgg
• Sgg1
• Sgg2
• Sgnd
• Sgrr
• Sgs1
• Sgs2
• Sgv
• Spcn
• Sport sport s/s+
• Spsw pwr
• W/ adaptive variable suspension
• W/o adaptive variable suspension

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 11) for Lexus IS 250 2014:

• (left rear of engine compt) ground junction connector 1
• (left rear of trunk) fuel pump control ecu
• (under left rear of vehicle, near fuel tank) fuel return vent tube sub-assembly
• A/c amplifier (center of dash)
• A/f fuse 15a
• A/f relay
• A76
• Accelerator position sensor (under left side of dash)
• Anti-lock brakes system
• Aq2
• Batt
• Canh
• Canl
• Combination switch assembly
• Computer data lines system
• Cooling fans system
• Eco
• Ecos
• Efi 2 fuse 10a
• Efi main fuse 25a
• Efi main relay
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Epa
• Epa2
• Fa1
• Fp-
• Fpc
• Fuel gauge sender
• Hot at all times
• Igsw
• Ill+
• Ill-
• Instrument cluster system
• Interior lights system
• Irel
• K10
• K11
• Ka (left kick panel)
• Ka1
• Ksw
• Mrel
• Neo
• Norm
• Normal
• Pnk
• Pump
• Pwr
• Qb (left side of trunk)
• Red
• Rfc
• Snow
• Snsw
• Spd
• Sport
• St1-
• Stp
• Tach
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vsc off

2.5L, Engine Performance Wiring Diagram (2 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 11) for Lexus IS 250 2014:

• (left rear of engine compt) ground junction connector 1
• (left side of engine compt) engine room j/b 2
• +b2
• A77
• Ab (left rear of engine compt)
• Acis
• Anti-theft system
• Batt
• Canh
• Canl
• Ccs
• Computer data lines system
• Cruise control system
• D10
• D14
• E03
• Efi main 2 relay
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fa (left rear of engine)
• Fa1
• Fuel pmp fuse 20a
• Hot at all times
• Ht1b
• Ht2b
• Imi
• Imo
• Inj fuse 20a
• Inj relay
• Ka7
• Nsw
• Ox1b
• Ox2b
• P/i-b fuse 100a
• Pnk
• Pwr
• Red
• Semiconductor power integration ecu
• Sftd
• Sftu
• Snwi
• Sp2+
• Sp2-
• Spcn
• Sta
• Starting/ charging system
• Stj1
• Stp

2.5L, Engine Performance Wiring Diagram (3 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 11) for Lexus IS 250 2014:

• (left side of dash) driving support ecu
• (rear of transmission) transmission revolution sensor (counter gear)
• (right end of dash) certification ecu
• A13
• A52
• Acc relay
• Acis
• C10
• C20
• Ca1n
• Ca1p
• Canh
• Canl
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Ecu-acc fuse 7.5a
• Fa1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig1 3 fuse 10a
• Ign 1 fuse 7.5a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• Junction connector 1 (left side of engine compt)
• Ka (left kick panel)
• Ka1
• Ka2
• Ka4
• Mk1
• Park/neutral position switch (right side of transmission)
• Pnk
• Red
• Shift position indicator
• Sksw
• Starting/ charging system
• Sti-
• Stp-
• Vsv (acis) (left side of engine)

2.5L, Engine Performance Wiring Diagram (4 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 11) for Lexus IS 250 2014:

• (left side of dash) stop lamp switch
• (left side of engine compt) junction connector 1
• Ae (right rear of engine compt)
• C19
• Ecc
• Engine room r/b 2 (left side of engine compt)
• Etcs fuse 10a
• F75
• F76
• Fa (left rear of engine)
• Fa1
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ic1
• Ic2
• Ign 2 fuse 10a
• Instrument panel j/b (left end of dash)
• Junction connector 5 (left side of engine compt)
• K26
• Left paddle shift switch
• Pnk
• Red
• Right cam timing oil control valve assembly (bank 1 intake side) (right cylinder head)
• Right paddle shift switch
• Right steering pad switch
• Sdn
• Sftd
• Sftu
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly
• Stop fuse 5a
• Sup
• Switch wire 1
• Transmission control switch (base of shift lever)

2.5L, Engine Performance Wiring Diagram (5 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 11) for Lexus IS 250 2014:

• (left front of engine) crank position sensor
• (left side exhaust system) oxygen sensor 2 (bank 2 sensor 2)
• (right side exhaust system) oxygen sensor (bank 1 sensor 2)
• (under center rear of vehicle) canister pump assembly
• +bm
• 2wd
• 4wd
• Aq1
• Aq2
• Canister pressure sensor
• E2g
• Engine control module (ecm) left front of engine compt
• Ev1+
• Ev1-
• Fa (left rear of engine)
• Fa1
• Ht1b
• Ht2b
• Iac1
• Intake mass air flow meter sub-assembly (right side of engine compt)
• Ka7
• Leak detection pump
• Left cam timing oil control valve assembly (bank 2 intake side) (left cylinder head)
• Mgnd
• Mpmp
• Mtrb
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Prg
• Red
• Sgnd
• Shield
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Tha
• Tho1
• Thw
• Vcc
• Vent valve
• Vgnd
• Vlvb
• Vout
• Vpmp
• Vsv (purge) (right rear of engine)

2.5L, Engine Performance Wiring Diagram (6 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 11) for Lexus IS 250 2014:

• (rear of engine) swirl control valve position sensor
• (right rear of engine) vvt sensor (bank 1 exhaust side)
• 5v ic
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• E.f.i. engine coolant temperature sensor (right rear of engine)
• E2x
• Engine oil level sensor (bottom right of engine)
• Engine oil pressure switch (front of engine)
• Ex+
• Ex-
• F75
• F76
• Fa1
• Fb (right rear of engine compt)
• Fuel pressure sensor (rear of engine)
• Fs1
• Gnd
• I/f
• Ig+
• Instrument cluster system
• Junction connector 5 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Led driver
• Loil
• Oilw
• Pnk
• Red
• Shield
• Speaker
• Telltales
• Vc2
• Vcx
• Vsx

2.5L, Engine Performance Wiring Diagram (7 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 11) for Lexus IS 250 2014:

• (left rear of engine compt) brake actuator
• (left side of engine) vvt sensor (bank 2 exhaust side)
• (right rear of engine) fuel pump
• A53
• Canh
• Canl
• Computer data lines system
• Electronically controlled transmission solenoid (left side of transmission)
• Ex+
• Ex-
• Hot w/ ig2 relay energized
• Instrument panel j/b (left end of dash)
• Meter fuse 7.5a
• Oil
• Red
• Shield
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1
• Stp
• Vc2

2.5L, Engine Performance Wiring Diagram (8 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 11) for Lexus IS 250 2014:

• (right front of engine compt) injector driver
• +b2
• A75
• B20
• C18
• F35
• F37
• F74
• Fa (left rear of engine)
• Fi1
• Fp+
• Fp-
• Fpd
• Fpf1
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Ijt1
• Ijt2
• Ijt3
• Ijt4
• Ijt5
• Ijt6
• Inj1
• Inj2
• Inj3
• Instrument panel j/b (left end of dash)
• Junction connector 4 (left side of engine compt)
• Knock control sensor (bank 1) (top right side of engine)
• Knock control sensor (bank 2) (top left side of engine)
• Pnk
• Red
• Shield
• Transmission revolution sensor (turbine) (front of transmission)

2.5L, Engine Performance Wiring Diagram (9 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (9 of 11) for Lexus IS 250 2014:

• (left side of engine)
• (right front of engine) ja
• (right front of engine) va
• (right side of engine)
• E04
• Ekn2
• Eknk
• Engine control module (ecm) (left front of engine compt)
• Ev2+
• Ev2-
• Fb (right rear of engine compt)
• Fuel injector 1 (for direct injection)
• Fuel injector 2 (for direct injection)
• Fuel injector 3 (for direct injection)
• Fuel injector 4 (for direct injection)
• Fuel injector 5 (for direct injection)
• Fuel injector 6 (for direct injection)
• Ha1a
• Ha2a
• Ic1
• Ic2
• Knk1
• Knk2
• Nt+
• Nt-
• Pnk
• Red
• Shield
• Throttle body w/ motor assembly (right rear of engine)

2.5L, Engine Performance Wiring Diagram (10 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (10 of 11) for Lexus IS 250 2014:

• (front of left cylinder head) vvt sensor (bank 2 intake side)
• (left rear of engine) air fuel ratio sensor 2 (bank 2 sensor 1)
• (right cylinder head) right cam timing oil control valve assembly (bank 1 exhaust side)
• (right front of engine) vvt sensor (bank 1 intake side)
• (right rear of engine) air fuel ratio sensor (bank 1 sensor 1)
• A1a+
• A1a-
• A2a+
• A2a-
• Alt
• Charging
• E01
• E02
• Engine control module (ecm) (left front of engine compt)
• Eta
• F75
• F76
• Fa (left rear of engine)
• Ge01
• Ha1a
• Ha2a
• Igf2
• Igt2
• Igt4
• Igt6
• Inj1
• Inj2
• Inj3
• Junction connector 5 (left side of engine compt)
• Me01
• Oe1+
• Oe1-
• Pnk
• Red
• Shield
• Starting/
• System
• Vcta
• Vta
• Vta2
• Vv1+
• Vv1-
• Vvl+
• Vvl-
• Vvr+
• Vvr-

2.5L, Engine Performance Wiring Diagram (11 of 11) for Lexus IS 250 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (11 of 11) for Lexus IS 250 2014:

• (left cylinder head) left cam timing oil control valve assembly (bank 2 exhaust side)
• (left rear of engine) cold start fuel injector assembly
• (left top of engine)
• (rear of engine) (intake air surge tank assembly) intake air control valve actuator
• (right top of engine)
• A1a+
• A1a-
• A2a+
• A2a-
• E05
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• F75
• Fa (left rear of engine)
• Fa1
• Fb (right rear of engine comp)
• Fb (right rear of engine compt)
• Fpd
• Fpf1
• Gnd
• Hot w/ ig2 relay energized
• Ia1+
• Ia1-
• Ig2 fuse 10a
• Igf1
• Igf2
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Junction connector 5 (left side of engine compt)
• Oe2+
• Oe2-
• Pnk
• Red
• Slt+
• Slt-
• Slu+
• Slu-
• Sta
• Stj
• Vv2+
• Vv2-
• Zf1
• Zf2

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Lexus IS 250 2014

List of elements for Backup Lamps Wiring Diagram for Lexus IS 250 2014:

• A41
• A75
• A77
• B/u
• B20
• Backup
• Backup lp fuse 7.5a
• Backup lp relay
• C10
• C18
• Canh
• Canl
• Computer data lines system
• D22
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Engine control module (ecm) (left front of engine compt)
• F74
• Fa1
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• J/c 4 (left side of engine compt)
• K61
• Ka (left kick panel)
• Ka1
• Left rear light assembly
• Multi-display assembly
• Park/neutral position switch d assembly (right side of transmission)
• Qb (left side of trunk)
• R p
• Red
• Rev
• Right rear light assembly
• Shift position indicator
• Transmission control ecu assembly (3.5l) (left front of engine compt)

Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 250 2014

List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 250 2014:

• 5v ic
• A/c control assembly
• A33
• A34
• A53
• Ad (right front of engine compt)
• Auto
• B17
• Becu
• Can i/f
• Canada
• Canh
• Canl
• Cltb
• Clte
• Clts
• Combination meter assembly
• Computer data lines system
• Cpu
• Cr1
• D16
• D17
• D18
• D25
• D28
• Drl off off
• Ecu- ig1 1 fuse 10a
• Ecu-b fuse 10a
• Flasher circuit
• Flcy
• Frcy
• Frly
• Front side marker
• Gnd1
• Ground j/c 1 (left rear of engine compt)
• Haz
• Haz fuse 15a
• Hazard switch
• Hazm
• Head
• Headlamp dimmer switch assembly
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Hzsw
• I/f
• Ig+
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• Interior lights system
• K24
• Ka (left kick panel)
• Ka1
• Kc (right kick panel)
• Lcty
• Left headlight assembly
• Left turn ind
• Lgcy
• Light control
• Ljb
• Main body ecu
• Meter fuse 7.5a
• Pnk
• Rcty
• Red
• Right headlight assembly
• Right turn ind
• Speaker
• Switch
• Tail
• Tail fuse 15a
• Tail relay
• Tl1
• Tl2
• Tr1
• Tr2
• Trly
• Trnl
• Trnr
• Turn
• Turn switch 1) left turn 2) left lane change 3) neutral 4) right lane change 5) right turn
• Usa
• Windshield wiper switch assembly

Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 250 2014

List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 250 2014:

• (left rear of engine compt) brake actuator assembly
• (left side of trunk)
• Automatic light control sensor (right side of dash, at base of windshield)
• B/u
• Back- up
• Backup lamp circuit
• Canh
• Canl
• Cltb
• Clte
• Clts
• Computer data lines system
• Drl/ parking
• Eng-ig 2 fuse 10a
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Ground j/c 1 (left rear of engine compt)
• Hot at all times
• Hot w/ ig1 1 main relay energized
• J/c 1 (left side of engine compt)
• J/c 6 (right front door)
• J/c 7 (left front door)
• Kl1
• Kp1
• Kq1
• Left clearance light assembly
• Left license plate light assembly
• Left outer mirror control ecu assembly (left front door)
• Left outer rear view
• Left outer rear view mirror assembly
• Left rear light assembly
• Mirror assembly
• N24
• Np1
• Nq1
• Pa (right "b" pillar)
• Pnk
• Qa (left "b" pillar)
• Qb (left side of trunk)
• Red
• Right clearance light assembly
• Right license plate light assembly
• Right outer mirror control ecu assembly (right front door)
• Right outer rear view
• Right outer rear view mirror assembly
• Right rear light assembly
• Solar sensor
• Sp1
• Stop fuse 5a
• Stp
• Stp2
• Stpo
• Tail
• Trni
• Turn
• W/ memory
• W/o memory
• Z11
• Z12

Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 250 2014

List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 250 2014:

• A13
• A41
• A76
• A77
• Ab (left rear of engine compt)
• Acc
• Ae (right rear of engine compt)
• Aq1
• Batt
• C19
• Canh
• Canl
• Central stop light assembly
• Certification ecu (right end of dash)
• Computer data lines system
• D10
• D11
• D14
• Driving support ecu assembly (left side of dash)
• Drll
• Drlr
• Ecm (left front of engine compt)
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Gnd
• Hmsl
• Hot at all times
• Hot w/ ig1 2 relay energized
• Ic1
• Ic2
• Ig1 2 fuse 10a
• Ign
• Instrument panel j/b (left end of dash)
• J/b lh-am fuse 120a
• J/c 1 (left side of engine compt)
• Ka1
• Left rear combination light assembly
• Mk1
• Out
• P/i-b fuse 100a
• Pnk
• Qa (left "b" pillar)
• Radio setting condenser (center stop light assembly & luggage compartment light assembly 1) (left "c" pillar)
• Red
• Right rear combination light assembly
• Semiconductor power integration ecu
• Shift lock control ecu (under center console)
• Side marker
• Spd
• St1-
• Stop light switch (left side of dash)
• Stop/tail
• Stp
• Stp-
• Stp1
• Tail
• Transmission control ecu assembly (3.5l) (left front of engine compt)
• Trn
• Turn

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Lexus IS 250 2014

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Lexus IS 250 2014:

• (left side of engine compt) engine room j/b 2
• (left side of engine compt) engine room r/b 2
• (right rear of engine compt) engine room r/b 1
• (w/ vgrs system) front steering control ecu
• 2wd
• 4wd
• 4wd ecu assembly
• A19
• A33
• A41
• A60
• A76
• Ab (left rear of engine compt)
• Ac (left rear of engine compt)
• Ae (right rear of engine compt)
• Ag (right end of dash)
• Ba1
• Blower motor w/ fan sub assembly
• Brake actuator assembly
• Brake fluid level warning switch (brake master cylinder reservoir assembly)
• Brake pedal load sensing switch (brake pedal support assembly)
• Cooler compressor assembly
• D14
• Ecm
• Efi main relay 2
• F66
• Fa1
• Fan relay
• Front window deicer (windshield glass)
• Ground j/c 1
• Headlight cleaner control relay
• Headlight leveling ecu assembly
• Hood courtesy switch (hood lock assembly)
• Ig1 main relay
• J/c 2 (left side of engine compt)
• J/c 3 (right end of dash)
• Kick down switch assembly
• Left clearance light assembly
• Left front absorber control actuator
• Left headlight assembly
• Level warning switch assembly
• Mir htr relay
• Power steering ecu assembly
• Right clearance light assembly
• Right front absorber control actuator
• St relay
• Stop light switch assembly
• Strg htr relay
• Transmission control ecu assembly
• Windshield wiper motor assembly
• Wireless door lock buzzer
• Wiring harness condenser assembly 1

Ground Distribution Wiring Diagram (2 of 5) for Lexus IS 250 2014

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Lexus IS 250 2014:

• (2.5l) ignition coil assembly 4
• (2.5l) ignition coil assembly 6
• (3.5l) ignition coil assembly 4
• (3.5l) ignition coil assembly 6
• (3.5l) transmission control ecu assembly
• (if equipped) left fog light assembly
• (if equipped) right fog light assembly
• 2.5l
• 3.5l
• A34
• A41
• A42
• A75
• A77
• Aa (right front of engine compt)
• Ad (right front of engine compt)
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor 2 (bank 2 sensor 1) shield
• Aq1
• Brake actuator assembly
• Canister pump module
• Cooling fan ecu
• Crank position sensor shield
• Cruise control switch wire
• Data link connector 3
• Ecm
• Engine oil level sensor
• F74
• Fa (left rear of engine)
• Fa1
• Fb (right rear of engine compt)
• Fuel injector assembly 1 (direct injection) shield
• Fuel injector assembly 2 (direct injection) shield
• Fuel injector assembly 3 (direct injection) shield
• Fuel injector assembly 4 (direct injection) shield
• Fuel injector assembly 5 (direct injection) shield
• Fuel injector assembly 6 (direct injection) shield
• Fuel pump assembly shield
• Ignition coil assembly 1
• Ignition coil assembly 2
• Ignition coil assembly 3
• Ignition coil assembly 5
• Injector driver shield
• J/c 4 (left side of engine compt)
• Ja (right front of engine)
• K26
• Ka7
• Knock control sensor (bank 1 & 2) shield
• Left headlight assembly
• Oxygen sensor (bank 1 sensor 2) shield
• Oxygen sensor 2 (bank 2 sensor 2) shield
• Right headlight assembly
• Shield
• Spiral cable w/ sensor sub assembly (steering column)
• Steering pad switch assembly
• Transmission control switch (transmission floor shift assembly)
• Va (right front of engine)
• W/ led headlight
• Zf1
• Zf2

Ground Distribution Wiring Diagram (3 of 5) for Lexus IS 250 2014

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Lexus IS 250 2014:

• (if equipped) auto high beam switch
• (if equipped) multiplex tilt & telescopic ecu
• (if equipped) rear sunshade switch assembly
• (left end of dash) instrument panel j/b
• (w/ dynamic radar cruise control) driving support ecu assembly
• (w/ dynamic radar cruise control) pre-collision system cancel switch (pre-crash system cancel switch assembly)
• A/c control assembly
• A37
• A45
• Absorber control ecu
• Acc relay
• Air bag sensor assembly
• All dr lock relay
• Bkup lp relay
• Can junction terminal 1
• Can junction terminal 2
• Certification ecu
• Clock assembly
• Combination meter assembly
• Combination switch assembly
• D dr unlock relay
• Data link connector 3
• Fuel lock relay
• Glove box light assembly
• Headlight dimmer switch assembly
• Ig1 relay 1
• Ig1 relay 2
• Ig1 relay 3
• Instrument panel j/b (left end of dash)
• K25
• K26
• K39
• K51
• K58
• K72
• Ka (left kick panel)
• Kc (right end of dash)
• Ks1
• L/d dr unlock relay
• Left visor assembly
• Luggage door opening cancel switch assembly
• Luggage door opening switch assembly
• Main body ecu
• Map light assembly
• Mk1
• Option connector
• P/outlet relay
• Power outlet socket assembly
• Radio receiver assembly
• Refreshing seat switch
• Remote operation switch
• Right visor assembly
• Shift lock control ecu (transmission floor shift assembly)
• Shift position indicator
• Sliding roof control ecu (sliding roof gear sub assembly)
• Spiral cable w/ sensor sub assembly (steering column)
• Spiral cable w/ sensor sub assembly (under k26 steering wheel)
• Spiral cable w/ sensor sub assembly (under k27 steering wheel)
• Steering lock actuator assembly
• Steering pad switch assembly
• Steering sensor
• Steering wheel heater control assembly
• Tire pressure monitor initiator driver
• Tire pressure warning reset switch (pressure warning switch 1)
• Trunk opn relay
• W/ front fog light
• W/ navigation system
• W/ network gateway ecu
• W/o navigation system
• Windshield wiper switch assembly
• Yaw rate sensor

Ground Distribution Wiring Diagram (4 of 5) for Lexus IS 250 2014

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Lexus IS 250 2014:

• (if equipped) lane departure warning camera
• (if equipped) left blind spot monitor sensor
• (if equipped) multiplex tilt & telescopic ecu
• (if equipped) network gateway ecu
• (if equipped) right blind spot monitor sensor
• (if equipped) tilt steering gear w/ motor assembly
• (w/ cold area spec) quick heater assembly
• (w/ dynamic radar cruise control) millimeter wave radar sensor assembly
• (w/ intuitive parking assist system) clearance warning ecu assembly
• (w/ vgrs system) front steering control ecu
• A/c amplifier assembly
• A47
• Air bag sensor assembly
• Ba1
• Dcm (telematics transceiver)
• Door unlock switch sub assembly
• From left rear absorber control actuator (diagram 5 of 5)
• Fuel pump control ecu
• Ha (right side of engine compt)
• Hb (right front of engine)
• Id code box
• Instrument panel j/b (left end of dash)
• J/c 9 (front left side of trunk)
• K10
• K13
• K14
• K17
• K20
• K24
• K51
• K58
• K61
• K66
• K70
• Ka1
• Kb (under center console)
• Kd (center of dash)
• Ke (under center console)
• Ks2
• Left license plate light assembly
• Left rear light assembly
• Luggage compartment door lock assembly
• Luggage electrical key switch
• Multi-display assembly
• Nca
• P23
• P30
• Pc (right rear of trunk)
• Pd (right "c" pillar)
• Qb (left side of trunk)
• Radio receiver assembly
• Rear window defogger (back window glass)
• Right rear light assembly
• Stereo component amplifier assembly
• Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly)
• W/ navigation system
• W/o navigation system
• Windshield wiper switch assembly
• Xa (right rear of engine compt)
• Ea (right side of transmission)
• Eb (left side of transmission)

Ground Distribution Wiring Diagram (5 of 5) for Lexus IS 250 2014

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Lexus IS 250 2014:

• (if equipped) left seat cushion climate control blower assembly
• (if equipped) left seat heater assembly (left front separate type seat back cover)
• (if equipped) rear sunshade relay (rear window shade assembly)
• (if equipped) right seat cushion climate control blower assembly
• (if equipped) right seat heater assembly (right front separate type seat back cover)
• (if equipped) theft warning siren assembly
• (w/ memory) left outer mirror control ecu assembly
• (w/ memory) left seat memory switch
• (w/ memory) right outer mirror control ecu assembly
• (w/o memory) left outer rear view mirror assembly
• (w/o memory) right outer rear view mirror assembly
• Center stop light assembly
• J/c 11 (under front passenger's seat)
• J/c 12 (under driver seat)
• J/c 6 (right front door)
• J/c 7 (left front door)
• Left front door lock w/ motor assembly
• Left front power seat switch
• Left front power window regulator motor assembly
• Left front seat inner belt assembly
• Left rear absorber control actuator
• Left rear combination light assembly
• Left rear door lock w/ motor assembly
• Left rear power window regulator motor assembly
• Left rear power window regulator switch assembly
• Multiplex network master switch assembly
• N24
• Na (rear of right front door)
• Nb (rear of left front door)
• Np1
• Nq1
• Occupant detection ecu
• Op1
• Oq1
• Pa (right "b" pillar)
• Pb (right "c" pillar)
• Pq2
• Pa1
• Pa2
• Qa (left "b" pillar)
• Qq1
• Qb1
• Right front door lock w/ motor assembly
• Right front power seat switch
• Right front power window regulator motor assembly
• Right front power window regulator switch assembly
• Right front seat inner belt assembly
• Right rear absorber control actuator
• Right rear combination light assembly
• Right rear door lock w/ motor assembly
• Right rear power window regulator motor assembly
• Right rear power window regulator switch assembly
• To j/c 9 (diagram 4 of 5)
• W/ climate control seat
• W/ climate control seat & seat heater
• W/ memory
• W/o climate control seat
• W/o memory
• W/o memory & w/ climate control seat
• A14
• B11

HEADLIGHTS

Headlamps Wiring Diagram (1 of 2) for Lexus IS 250 2014

List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 250 2014:

• A53
• Ad (right front of engine compt)
• Ahbi
• Auto
• Automatic light control sensor (if equipped) (right side of dash, at base of windshield)
• B17
• Becu
• C15
• C25
• C27
• C29
• Canada
• Canh
• Canl
• Cltb
• Clte
• Clts
• Computer data lines system
• D25
• Dim
• Dimmer switch
• Drl off
• Drle
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Ffgo
• Ffog
• Flash
• Flcy
• Fog light switch
• Frcy
• Gnd1
• Head
• Headlight dimmer switch assembly
• High
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Hrly
• Instrument panel j/b (left end of dash)
• Interior lights system
• Ka (left kick panel)
• Kc (right kick panel)
• Kl1
• Lcty
• Led type
• Left fog light assembly
• Light control switch
• Llew
• Low
• Main body ecu (in instrument panel j/b)
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Off
• Parking brake switch assembly (left side of dash)
• Pkb
• Pnk
• Rcty
• Red
• Right fog light assembly
• Rlew
• Solar sensor
• Tail
• Usa

Headlamps Wiring Diagram (2 of 2) for Lexus IS 250 2014

List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 250 2014:

• 5v ic
• 5v+b
• A34
• Ab (left rear of engine compt)
• Ad (right front of engine compt)
• Auto high beam switch (if equipped)
• Batt
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• D14
• Display driver
• Drl/ parking
• Drll
• Drlr
• Drls
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• F10
• Ground j/c 1 (left rear of engine compt)
• Headlight
• Hot at all times
• Ig+
• Interior lights system
• Ka (left kick panel)
• Ka1
• Ka7
• Kc (right kick panel)
• Led driver
• Led type
• Left clearance light assembly
• Left h-lp lo relay
• Left headlight assembly
• Lh-lo h-lp fuse 15a
• P/i b fuse 100a
• Pnk
• Red
• Rh-lo h-lp fuse 15a
• Right clearance light assembly
• Right h-lp lo relay
• Right headlight assembly
• Semiconductor power integration ecu
• Sol
• Telltales

Headlamps Leveling Wiring Diagram for Lexus IS 250 2014

List of elements for Headlamps Leveling Wiring Diagram for Lexus IS 250 2014:

• 5v ic
• 5v+b
• A33
• A53
• Aq1
• Auto
• Becu
• C21
• Can i/f
• Canada
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Display driver
• Drl off
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Ecu-ig1 2 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Frwa
• Gnd
• Gnd1
• Ground j/c 1 (left rear of engine compt)
• Head
• Headlight dimmer switch assembly
• Headlight leveling actuator
• Headlight leveling ecu assembly (left kick panel)
• Hlc
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig+
• Instrument panel j/b (left end of dash)
• Ka (left kick panel)
• Kc (right kick panel)
• Led driver
• Left headlight assembly
• Left rear height control sensor sub-assembly (left rear suspension)
• Lh e
• Lh t
• Lh+
• Lh-
• Lhig
• Lht
• Light control switch
• Main body ecu (in instrument panel j/b)
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Off
• Out
• Red
• Rh e
• Rh t
• Rh+
• Rh-
• Rhig
• Rht
• Right headlight assembly
• Sbr
• Sgr
• Shrl
• Tail
• Telltales
• Usa
• Vcc
• Wiper/washer system
• Gq1

HORN

Horn Wiring Diagram for Lexus IS 250 2014

List of elements for Horn Wiring Diagram for Lexus IS 250 2014:

• A36
• Ba1
• C24
• Engine room r/b 2 (left side of engine compt)
• Horn
• Horn (high) (right front of radiator)
• Horn (low) (front of radiator)
• Horn fuse 10a
• Horn relay
• Horn switch
• Hot at all times
• Instrument panel j/b (left end of dash)
• K26
• Main body ecu
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Lexus IS 250 2014

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Lexus IS 250 2014:

• 5v 1c
• 5v+b
• A/b
• Acc
• Acc relay
• B13
• Brake actuator assembly (left rear of engine compt)
• Can i/f
• Canh
• Canl
• Chg-
• Clock assembly
• Combination meter assembly
• Computer data lines system
• Cpu
• Display driver
• Down
• Ecu-acc fuse 7.5a
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• Fa1
• Flasher circuit
• Fuel return vent tube sub-assembly (under left rear of vehicle, near fuel tank)
• Fuel tank vent tube assembly (right side of fuel tank)
• Gvif
• Haz fuse 15a
• Hazm
• Hot at all times
• Hzsw
• I/f
• Ig+
• Ill+
• Ill-
• Ind right turn
• Instrument panel j/b (left end of dash)
• Interior lights system
• K123
• Ka (left kick panel)
• Ka1
• Ka2
• Kc (right kick panel)
• Kk1
• Kq1
• Led driver
• Lin
• Mpx-b 1 fuse 10a
• Msch er
• Mscl
• Msm+
• Msti
• Odo
• Odo trip
• Oilw
• Pnk
• Pq1
• Red
• Sp1
• Speaker
• Starting/ charging system
• Sw3
• Telltales
• Trip switch
• Turn ind left
• Wiper/washer system
• Wlvl

Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250 2014

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250 2014:

• 15 speaker
• 8 speaker
• A53
• A76
• Ae (right rear of engine compt)
• B17
• B28
• Back
• Brake fluid level warning switch (brake master cylinder reservoir assembly) (brake fluid reservoir)
• C15
• Canh
• Canl
• Certification ecu (right end of dash)
• Cnh1
• Cnh2
• Cnl1
• Cnl2
• Computer data lines system
• D16
• D25
• Dcm (telematics transceiver) (w/ lexus enform) (left side of dash)
• Down
• Ecm (left front of engine compt)
• Ecu-ig1 1 fuse 10a
• Engine oil level sensor (bottom right of engine)
• Engine oil pressure switch assembly (front of engine)
• Enter
• Fb (right rear of engine compt)
• Flcy
• Frcy
• Gnd
• Gnd1
• Gvif
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Instrument panel j/b (left end of dash)
• K122
• K26
• K58
• K66
• K72
• K73
• Ka1
• Kc (right kick panel)
• Kp1
• Kp3
• Kq1
• Lcty
• Left
• Left front door courtesy switch (left "b" pillar)
• Left rear door courtesy switch (left "c" pillar)
• Lgcy
• Loil
• Luggage compartment door lock assembly
• Main body ecu
• Meter fuse 7.5a
• P23
• P24
• Parking brake switch assembly (left side of dash)
• Pkb
• Pnk
• Qb (left side of trunk)
• Radio receiver assembly
• Rcty
• Red
• Right
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Right steering pad switch
• Spd
• Spdp
• Spiral cable (under steering wheel)
• Steering pad switch assembly
• Stereo component amplifier assembly (right rear of trunk)
• Top
• W/ navigation
• W/o navigation

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 3) for Lexus IS 250 2014

List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Lexus IS 250 2014:

• (right "b" pillar)
• B10
• B11
• B15
• B16
• B17
• B18
• B22
• B23
• B26
• B27
• Becu
• C15
• Canh
• Canl
• Computer data lines system
• D16
• D25
• D26
• D27
• D31
• Dmdr
• Dmon
• Dome cut relay
• Dome fuse 15a
• Domr
• Ecu ig1 1 fuse 10a
• Ecu-b fuse 10a
• Flcl
• Flcy
• Foot light
• Frcl
• Frcy
• Fspt
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ile
• Instrument panel j/b (left end of dash)
• J/c 6 (right front door)
• J/c 7 (left front door)
• Kc (right kick panel)
• Kp1
• Kp2
• Kp3
• Kq1
• Kq2
• Ks1
• Lcty
• Left front courtesy light
• Left front door courtesy light switch assembly (left "b" pillar)
• Left front door lock w/ motor (driver's door)
• Left outer rearview mirror assembly (w/o memory)
• Left rear door courtesy light switch assembly (left "c" pillar)
• Left rear door lock w/ motor (left rear door)
• Lgcy
• Lsfl
• Lsfr
• Lswl
• Lswr
• Luggage compartment light assembly 1
• Main body ecu (in instrument panel j/b)
• Mile
• Na (rear of right front door)
• Nb (rear of left front door)
• Np1
• Nq1
• Op1
• Oq1
• Pa (right "b" pillar)
• Parking brake switch assembly (left side of dash)
• Pkb
• Qa (left "b" pillar)
• Radio setting condenser (center stop light & luggage compartment light 1) (left "c" pillar)
• Rcty
• Red
• Right front door courtesy light switch assembly (right "b" pillar)
• Right front door lock w/ motor (front passenger's door)
• Right outer rearview mirror assembly (w/o memory)
• Right rear door courtesy light switch assembly (right "c" pillar)
• Right rear door lock w/ motor (right rear door)
• Tcyl

Courtesy Lamps Wiring Diagram (2 of 3) for Lexus IS 250 2014

List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Lexus IS 250 2014:

• +b1
• +b5
• 5v ic
• 5v+b
• A53
• Can i/f
• Canh
• Canl
• Cill
• Combination meter assembly
• Computer data lines system
• Courtesy
• Cpu
• Cty
• Dome light
• Door
• Door switch
• Gnd
• Gnd1
• Gnd9
• Hot w/ ig2 relay energized
• Ig+
• Illb
• Illumination circuit instrument
• Instrument panel j/b (left end of dash)
• Kc (right kick panel)
• Kp1
• Ks1
• Led driver
• Left front door inside handle illumination light assembly
• Light switch left front map
• Luggage compartment door lock assembly
• Map light assembly
• Map light left front
• Map light right front
• Meter fuse 7.5a
• Np1
• Nq1
• Qb (left side of trunk)
• Red
• Rifl
• Rifr
• Right front door inside handle illumination light assembly
• Right front map light switch
• Rlmp
• Spot light assembly
• Switch dome
• Telltales

Courtesy Lamps Wiring Diagram (3 of 3) for Lexus IS 250 2014

List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Lexus IS 250 2014:

• A14
• Bdr
• Cann
• Canp
• Computer data lines system
• D14
• Door f/l fuse 30a
• Door f/r fuse 30a
• Foot light
• Gnd
• Hot at all times
• Instrument panel j/b (left end of dash)
• Ka4
• Kc (right kick panel)
• Kp1
• Kp2
• Left front foot light (left interior illumination light assembly 1)
• Left outer mirror control ecu assembly (w/ memory) (left front door)
• Left outer rearview mirror assembly
• Left vanity light assembly
• Left visor assembly
• Mlp
• N24
• Np1
• Nq1
• Pa (right "b" pillar)
• Qa (left "b" pillar)
• Red
• Right front courtesy light
• Right front foot light (right interior illumination light assembly 1)
• Right outer mirror control ecu assembly (w/ memory) (right front door)
• Right outer rear view mirror assembly
• Right vanity light assembly
• Right visor assembly
• Z11
• Z12

Instrument Illumination Wiring Diagram (1 of 4) for Lexus IS 250 2014

List of elements for Instrument Illumination Wiring Diagram (1 of 4) for Lexus IS 250 2014:

• A39
• Acan
• Acc
• Acc relay
• Auto
• Automatic light control sensor (right side of dash, at base of windshield)
• B13
• Becu
• Canada
• Canh
• Canl
• Cltb
• Clte
• Clts
• Computer data lines system
• D19
• Dome light switch
• Drl off
• Ecu ig1 1 fuse 10a
• Ecu-acc fuse 7.5a
• Ecu-b fuse 10a
• Engine room j/b 1 (right rear of engine compt)
• Glove box light
• Gnd1
• Gnd9
• Head
• Headlight dimmer switch assembly
• Hot at all times
• Hot w/ ig1 3 relay energized
• Illb
• Instrument panel j/b (left end of dash)
• J/b lh-am fuse 120a
• Ka (left kick panel)
• Kc (right kick panel)
• Kl1
• Ks1
• Ks2
• Light control switch
• Lill
• Main body ecu (in instrument panel j/b)
• Map light assembly
• Map light switch
• Off
• Off drl off
• Panel fuse 7.5a
• Pnk
• Red
• Rill
• Rlmp
• Solar sensor
• Spot light assembly
• Switch control sliding roof
• Tail
• Tail relay
• Trly
• Usa

Instrument Illumination Wiring Diagram (2 of 4) for Lexus IS 250 2014

List of elements for Instrument Illumination Wiring Diagram (2 of 4) for Lexus IS 250 2014:

• (front passenger's door) right front power window regulator switch assembly
• A/c control assembly
• Adim
• Clock assembly
• Combination switch assembly
• Dcm (telematics transceiver) (left side of dash) k66
• Gnd1
• Ill
• Ill+
• Ill-
• K58
• K61
• K66
• K70
• K71
• K72
• Kd (center of dash)
• Ke (under center console)
• Kk1
• Kp1
• Kq1
• Mirror adjust switch
• Multi- display assembly
• Multiplex network master switch assembly
• Np1
• Nq1
• Radio receiver assembly
• Refreshing seat switch
• Remote operation switch
• Select switch mirror r/l
• Shift position indicator
• Unlock switch door lock &
• W/ memory
• W/ navigation
• W/ safety connect
• W/o memory
• W/o navigation
• Window lock switch

Instrument Illumination Wiring Diagram (3 of 4) for Lexus IS 250 2014

List of elements for Instrument Illumination Wiring Diagram (3 of 4) for Lexus IS 250 2014:

• (if equipped) auto high beam switch
• (w/ auto wiper system) windshield wiper switch assembly
• A/b
• Back sonar (or) clearance sonar switch assembly (w/ parking assist)
• Blindspot monitor main switch (warning canceling switch assembly) (if equipped)
• Down
• Ill+
• Ill-
• K24
• Kd (center of dash)
• Luggage door opening switch assembly
• Outer mirror heater switch assembly (if equipped)
• Pnk
• Rear sun shade switch assembly (if equipped)
• Rheostat
• Tail
• Trip odo
• Trip switch

Instrument Illumination Wiring Diagram (4 of 4) for Lexus IS 250 2014

List of elements for Instrument Illumination Wiring Diagram (4 of 4) for Lexus IS 250 2014:

• 5v ic
• 5v+b
• A53
• Agnd
• Can i/f
• Canh
• Canl
• Certification ecu (right end of dash)
• Combination meter assembly
• Computer data lines system
• Cpu
• Eau
• Engine switch
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Il+2
• Ill-
• Instrument panel j/b (left end of dash)
• K26
• Kc (right kick panel)
• Left steering pad switch
• Meter fuse 7.5a
• Mode
• Odo
• Off hook
• On hook
• Pnk
• Red
• Right steering pad switch
• Seek+
• Seek-
• Spiral cable sensor sub-assembly (under steering column)
• Steering pad switch assembly
• Sw3
• Swil
• Voice
• Volume+
• Volume-

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 2014

List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250 2014:

• +b2
• B30
• C32
• Cann
• Canp
• Computer data lines system
• D13
• D32
• D34
• Dbcl
• Ecu ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• F/l p/seat fuse 30a
• Frv+
• Frv-
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig1 3 relay energized
• Instrument panel j/b (left end of dash)
• J/c 12 (under driver seat)
• Kq1
• Left front power seat switch
• Left power seat lift motor (left front seat adjuster assembly)
• Left power seat reclining motor (left front separate type seat back spring assembly) (in driver's seat)
• Lft+
• Lft-
• Mpx-b 1 fuse 10a
• Passive restraints system
• Pnk
• Power distribution system
• Qa (left "b" pillar)
• Qb1
• Rcl+
• Rcl-
• Red
• Sgnd
• Sld+
• Sld-
• Ssrs
• Sysb
• B11
• B12
• Db1

Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 2014

List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250 2014:

• (left front door) left outer mirror control ecu assembly
• Back
• Cann
• Canp
• Computer data lines system
• Cpub
• Front lumbar power seat switch
• Fwd
• Gnd
• Left lumbar support motor (left front seat back spring sub assembly) (in driver's seat)
• Left power seat slide motor (left front seat adjuster assembly) (in driver's seat)
• Left power seat tilt motor (left front seat adjuster assembly)
• Left seat memory switch
• Mmry
• N24
• Nq1
• O/p
• Qa (left "b" pillar)
• Red
• Set
• Db1

Memory Mirrors Wiring Diagram for Lexus IS 250 2014

List of elements for Memory Mirrors Wiring Diagram for Lexus IS 250 2014:

• (right front door)
• 12v
• A14
• A19
• A54
• B30
• Bdr
• Bsl+
• Bsr+
• C32
• Cann
• Canp
• Capn
• Computer data lines system
• Control circuit
• Cpub
• D14
• D32
• D34
• Ec mirror
• Ec+
• Ec-
• Eci+
• Eci-
• Ecu-ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Exterior lights system
• F/l door fuse 30a
• F/r door fuse 30a
• Foot light
• Gnd
• Horizontal
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hsrl
• Hsrr
• Instrument panel j/b (left end of dash)
• J/c 7 (left front door)
• Kp1
• Kq1
• Left blind spot monitor ind
• Left outer mirror control ecu assembly (left front door)
• Left outer rear view mirror assembly
• Left seat memory switch
• Lin1
• Mirror adjust switch
• Mirror heater
• Mirror l select switch ind
• Mirror r select switch ind
• Mirror r/l select switch
• Mirrors system
• Mlp
• Mmry
• Mpx-b 1 fuse 10a
• Multiplex network master switch assembly
• N18
• N24
• Nb (rear of left front door)
• Np1
• Nq1
• P/w fuse 5a
• Pa (right "b" pillar)
• Pnk
• Power distribution system
• Qa (left "b" pillar)
• Red
• Right outer mirror control ecu assembly
• Right outer rear view mirror assembly
• Set
• Sig
• Trni
• Turn
• Vertical
• Vsrr
• Vssr
• Z11
• Z12

Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus IS 250 2014

List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus IS 250 2014:

• (center of dash) kd
• A11
• A54
• Cann
• Canp
• Computer data lines system
• Ecu ig1 1 fuse 10a
• Ecub
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig1 3 relay energized
• Instrument panel j/b (left end of dash)
• K20
• K21
• Ka (left kick panel)
• Kd (center of dash)
• Left outer mirror control ecu assembly (left front door)
• Left seat memory switch
• Mmry
• Mpx-b 1 fuse 10a
• Msw
• Multiplex tilt & telescopic ecu (on steering column)
• N24
• Pnk
• Qa (left "b" pillar)
• Red
• Set
• Telesco shorten
• Telesco stretch
• Telescopic motor
• Tem+
• Tem-
• Tes
• Ti & te fuse 20a
• Tilt & telescopic switch
• Tilt down
• Tilt motor
• Tilt steering gear w/ motor (at steering column)
• Tilt up
• Tim+
• Tim-
• Tis
• Vce
• Vci

NAVIGATION

Blind Spot Monitoring Wiring Diagram for Lexus IS 250 2014

List of elements for Blind Spot Monitoring Wiring Diagram for Lexus IS 250 2014:

• (right kick panel) kc
• - z11
• 5v ic
• 5v+b
• A49
• A53
• Bdsl
• Bdsr
• Bind
• Blb
• Blgd
• Brb
• Brgd
• Bsl+
• Bsr+
• Bssw
• Buz
• Bzn
• Bzp
• Ca1n
• Ca1p
• Ca2n
• Ca2p
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Cr1
• D29
• Display driver
• Ecu-ig1 2 fuse 10a
• Gnd
• Gnd1
• Headlamp dimmer switch assembly
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Indicator spot monitor left blind
• Indicator spot monitor right
• Indicator spot monitor right blind
• Instrument panel j/b assembly (left end of dash)
• Interior lights system
• J/c 6 (right front door)
• J/c 7 (left front door)
• K24
• Kq2
• Led driver
• Left blind spot monitor main switch
• Left blind spot monitor sensor (left corner of rear bumper)
• Left outer mirror control ecu assembly (left front door)
• Left outer rearview mirror assembly
• Meter fuse 7.5a
• N24
• Np1
• Nq1
• Omil
• Omir
• Pnk
• Pq2
• Qa (left "b" pillar)
• Qb (left side of trunk)
• Qq1
• Rear cross traffic alert buzzer (under center of rear package shelf)
• Red
• Right blind spot monitor sensor (right corner of rear bumper)
• Right outer mirror control ecu assembly (right front door)
• Right outer rearview mirror assembly
• Telltales
• Tl1
• Tl2
• Tr1
• Tr2
• Turn switch 1) left turn 2) left lane change 3) neutral 4) right lane change 5) right turn
• W/ memory w/o memory
• Windshield wiper switch assembly
• Z12

Lane Departure Warning Wiring Diagram for Lexus IS 250 2014

List of elements for Lane Departure Warning Wiring Diagram for Lexus IS 250 2014:

• 5v ic
• 5v+b
• A52
• A53
• B32
• Ba1
• Ca1n
• Ca1p
• Ca2h
• Ca2l
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Cr1
• Display driver
• Dist
• Driving support ecu assembly (w/ dynamic radar cruise control) (left side of dash)
• Ecc
• Fa (left rear of engine)
• Gnd
• Gnd1
• Headlamp dimmer switch assembly
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Ig1
• Ig1 3 fuse 10a
• Igb
• Instrument panel j/b (left end of dash)
• J/c s17 (middle of left "a" pillar)
• K24
• K26
• Ka1
• Kc (right kick panel)
• Kd (center of dash)
• Ks1
• Ks2
• Lane departure warning camera (top center of windshield)
• Lda switch
• Led driver
• Lksw
• Meter fuse 7.5a
• Millimeter wave radar sensor assembly (behind right center of grille)
• Mk1
• Pnk
• Red
• Right steering pad switch
• Skid control buzzer assembly (left side of dash)
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Spsw
• Steering pad switch assembly
• Telltales
• Tl1
• Tl2
• Tr1
• Tr2
• Turn switch 1) left turn 2) left lane change 3) neutral 4) right lane change 5) right turn
• Windshield wiper switch assembly

Navigation Wiring Diagram (1 of 6) for Lexus IS 250 2014

List of elements for Navigation Wiring Diagram (1 of 6) for Lexus IS 250 2014:

• (if equipped) sdars antenna
• (right end of dash) certification ecu
• 8 speaker
• A32
• A52
• A75
• Acc
• Acc relay
• Accd
• Adpg
• Agnd
• B12
• B19
• C10
• C20
• Canh
• Canl
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Ecu- acc fuse 7.5a
• F74
• Fa1
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Gnd2
• Gps antenna
• Gvif
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• J/c 4 (left side of engine compt)
• K121
• K122
• K133
• K59
• K60
• K68
• K70
• Kc (right kick panel)
• Main antenna
• Nca
• Park/neutral position switch assembly (right side of transmission)
• Pnk
• R p
• Radio fuse 15a
• Radio receiver assembly
• Red
• Shield
• Stereo jack adapter assembly 1
• Sub antenna
• Ugd1
• Us1+
• Us1-
• Usv1
• Va-
• Val+
• Var+
• Vv+
• Vv-

Navigation Wiring Diagram (2 of 6) for Lexus IS 250 2014

List of elements for Navigation Wiring Diagram (2 of 6) for Lexus IS 250 2014:

• (right rear of trunk) stereo component amplifier assembly
• 15 speaker
• 8 speaker
• A/c switch
• Acc
• Ca+
• Cb+
• Cgnd
• Cv+
• Cv-
• Gnd1
• Gvif
• Ii1+
• Ii1-
• Ill
• Interior lights system
• K124
• K61
• Ka1
• Ke (under center console)
• Kp1
• Kp2
• Kq1
• Mi+
• Mi-
• Mo+
• Mo-
• Multi-display assembly
• Mute
• P24
• P36
• Pnk
• Qt1
• Rear television camera assembly (w/ rear view monitor system) (center rear of trunk lid)
• Red
• Rev
• Shield
• Sld
• Sld1
• Sldi
• Sldo
• Spd
• Tmut
• Tx+
• Tx-
• Vmti
• Wui

Navigation Wiring Diagram (3 of 6) for Lexus IS 250 2014

List of elements for Navigation Wiring Diagram (3 of 6) for Lexus IS 250 2014:

• 15 speaker
• 8 speaker
• Acc
• Gnd
• Ill+
• Ill-
• Interior lights system
• K127
• K26
• K71
• K72
• Kc (right kick panel)
• Left steering pad switch
• Mi+
• Mi-
• Mo+
• Mo-
• Mode
• Mut1
• Off hook
• On hook
• Pi1
• Pnk
• Radio receiver assembly
• Red
• Remote operation switch
• Right steering pad switch
• Rl+
• Rl-
• Seek+
• Seek-
• Shield
• Sldi
• Sldo
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly
• Tx1+
• Tx1-
• Usb
• Usbg
• Usbv
• Voice
• Voice return
• Vol+
• Vol-
• Vor+
• Vor-
• Vot+
• Vot-
• Wuo

Navigation Wiring Diagram (4 of 6) for Lexus IS 250 2014

List of elements for Navigation Wiring Diagram (4 of 6) for Lexus IS 250 2014:

• +b1
• A53
• Acc1
• Adim
• B28
• C15
• Canh
• Canl
• Cnh1
• Cnh2
• Cnl1
• Cnl2
• Computer data lines system
• Gnd1
• Hot w/ ig2 relay energized
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• K58
• Kc (right kick panel)
• Ke (under center console)
• Ks1
• Ks2
• Macc
• Map light assembly
• Mco+
• Mco-
• Meter fuse 7.5a
• Microphone
• Min+
• Min-
• Parking brake switch assembly (left side of dash)
• Pkb
• Pnk
• Radio receiver assembly
• Red
• Sgnd
• Shield
• Sns2
• Spd
• Sw1
• Sw2
• Swg
• Tx3+
• Tx3-
• Vmtf
• W/ lexus enform & safety connect
• W/o lexus enform & safety connect

Navigation Wiring Diagram (5 of 6) for Lexus IS 250 2014

List of elements for Navigation Wiring Diagram (5 of 6) for Lexus IS 250 2014:

• (left side of dash) dcm (telematics transceiver)
• 15 speaker
• 5v ic
• 8 speaker
• Brake actuator assembly (left rear of engine compt)
• Can i/f
• Canh
• Canl
• Cann
• Canp
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• Engine room r/b 1 (right rear of engine compt)
• Gvif
• Hot at all times
• I/f
• Ig+
• K123
• K128
• K66
• Ka1
• Kc (right kick panel)
• Kp1
• Kp2
• Lcd driver
• Mci+
• Mci-
• Mco+
• Mco-
• Mcvd
• Mpx-b 1 fuse 10a
• Msch
• Mscl
• Mute
• Pnk
• Red
• Right front speaker assembly 2
• Sgnd
• Shield
• Sp1
• Speaker
• Spi+
• Spi-
• Spo+
• Spo-
• Telltales
• Usb
• Usbg
• Usbv
• Vor+
• Vor-
• Vot+
• Vot-
• W/ lexus enform & safety connect
• W/o lexus enform & safety connect

Navigation Wiring Diagram (6 of 6) for Lexus IS 250 2014

List of elements for Navigation Wiring Diagram (6 of 6) for Lexus IS 250 2014:

• (15 speaker) left rear header speaker assembly
• (15 speaker) right rear header speaker assembly
• +b2
• +tw
• -tw
• 15 speaker
• 8 speaker
• Amp 1 fuse 30a
• Amp 2 fuse 30a
• Ctr+
• Ctr-
• Fl+
• Fl-
• Fr+
• Fr-
• Front speaker assembly 3
• Gnd
• Gnd2
• Hot at all times
• Instrument panel j/b (left end of dash)
• Kp1
• Left front speaker assembly 1
• Left front speaker assembly 2
• Left rear speaker assembly
• Left rear speaker assembly 2
• Np1
• Nq1
• Oq1
• P23
• Pc (right rear of trunk)
• Pnk
• Pq1
• Qp1
• Rear speaker assembly 3
• Red
• Right front speaker assembly 1
• Right rear speaker assembly
• Right rear speaker assembly 2
• Rl+
• Rl-
• Rr+
• Rr-
• Sl+
• Sl-
• Spd
• Sr+
• Sr-
• Stereo component amplifier
• Tmut
• Wf1+
• Wf1-
• Wfl+
• Wfl-
• Wfr+
• Wfr-

Rear Sonar Wiring Diagram (1 of 2) for Lexus IS 250 2014

List of elements for Rear Sonar Wiring Diagram (1 of 2) for Lexus IS 250 2014:

• A52
• A54
• Ad1
• Back sonar or clearance sonar switch assembly
• Cbz
• Clearance warning ecu (left end of dash)
• Clsw
• Computer data lines system
• Ecu
• Ecu-ig1 1 fuse 10a
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• Ka1
• Kd (center of dash)
• Kq1
• Left front center ultrasonic sensor 1 (behind left center front of bumper)
• Left front ultrasonic sensor 1 (behind left corner of front bumper)
• Left rear ultrasonic sensor 1 (left corner of rear bumper)
• Pnk
• Red
• Right front center ultrasonic sensor 1 (behind right center front of bumper)
• Right rear center ultrasonic sensor 1 (right center of rear bumper)
• Right rear ultrasonic sensor 1 (right corner of rear bumper)
• Uq1

Rear Sonar Wiring Diagram (2 of 2) for Lexus IS 250 2014

List of elements for Rear Sonar Wiring Diagram (2 of 2) for Lexus IS 250 2014:

• 5v ic
• 5v+b
• A53
• A77
• Acc relay
• C10
• C20
• Can i/f
• Canh
• Canl
• Clearance warning buzzer 1 (left side of dash)
• Combination meter assembly
• Computer data lines system
• Cpu
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Display driver
• Ecm (left front of engine compt)
• Ecu-acc fuse 7.5a
• F74
• Fa1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig+
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• J/c 4 (left side of engine compt)
• Kc (right kick panel)
• Led driver
• Left rear center ultrasonic sensor 1 (left center of rear bumper)
• Meter fuse 7.5a
• Park/neutral position switch (right side of transmission)
• R p
• Red
• Right front ultrasonic sensor 1 (behind right corner of front bumper)
• Telltales

Telematics Wiring Diagram for Lexus IS 250 2014

List of elements for Telematics Wiring Diagram for Lexus IS 250 2014:

• (right kick panel) kc
• 15 speaker
• 5v ic
• 8 speaker
• A/bag-ig2 fuse 7.5a
• A17
• A25
• A27
• A53
• Acc
• Acc relay
• Air bag sensor assembly (under center console)
• Antenna cord sub-assembly 2
• B12
• Brake actuator assembly (left rear of engine compt)
• Cann
• Canp
• Certification ecu (right end of dash)
• Combination meter assembly
• Computer data lines system
• Dcm (telematics transceiver) (left side of dash)
• Dcm fuse 5a
• Ecu-acc fuse 7.5a
• Engine room r/b 1 (right rear of engine compt)
• Fr+
• Fr-
• Gnd3
• Gps
• Gps antenna
• Green
• Gsw
• Gsw3
• Hot at all times
• Hot w/ ig2 relay energized
• Ig+
• Ig2
• Ill+
• Ind1
• Ind2
• Instrument panel j/b (left end of dash)
• Interior lights system
• K127
• K128
• K129
• K131
• K51
• K58
• K66
• K72
• Ka1
• Kd (center of dash)
• Kp1
• Kp2
• Ks1
• Ks2
• Macc
• Map light assembly
• Mci+
• Mci-
• Mco+
• Mco-
• Mcvd
• Meter fuse 7.5a
• Min+
• Min-
• Mute
• Nca
• P23
• P24
• Phone micro
• Pnk
• Radio receiver assembly
• Red
• Right front speaker assembly 2
• Rrid
• Sgnd
• Sig-
• Sig1
• Sil
• Sled
• Slp
• Slpd
• Sns2
• Sos
• Spdp
• Spi+
• Spi-
• Spo+
• Spo-
• Stereo component amplifier assembly (right rear of trunk)
• Tel
• Telephone antenna
• Tmut
• Usb
• Usbg
• Usbv
• Vor+
• Vor-
• Vot+
• Vot-
• W/ navigation system
• W/ safety connect
• W/o navigation system

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Lexus IS 250 2014

List of elements for Passive Restraints Wiring Diagram for Lexus IS 250 2014:

• (left "b" pillar) qa
• (right "c" pillar) pb
• Buckle switch
• D34
• Dbcl
• Ecu-ig1 1 fuse 10a
• Hot w/ ig1 3 relay energized
• Instrument panel j/b (left end of dash)
• Left front power seat switch
• Left front seat inner belt assembly (inboard side of left front seat)
• Left front seat outer belt assembly (base of left front "b" pillar)
• P11
• Pq2
• Q20
• Qb1
• Rdc
• Right front seat inner belt assembly (inboard side of right front seat)
• Right front seat outer belt assembly (base of right front "b" pillar)
• W/ memory
• W/o memory
• B12
• Pa1

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (1 of 4) for Lexus IS 250 2014:

• (not used)
• (right rear of engine compt) engine room r/b 1
• Abs 1 fuse 30a
• Abs 2 fuse 50a
• Air conditioning system
• Alt
• Alt fuse 150a
• Alt-s fuse 7.5a
• Anti-lock brakes system
• Anti-theft & door locks systems
• B30
• Battery
• C31
• C32
• Cooling fans system
• D/c cut fuse 30a
• D32
• Dcm fuse 5a
• Defogger system
• Door locks system
• Door locks, anti-theft, exterior lights, engine controls, cruise control & transmissions systems
• Door locks, anti-theft, memory, instrument cluster, interior lights & electronic power steering systems
• Electronic power steering system
• Eng-am fuse 120a
• Eng-b fuse 50a
• Engine controls system
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Eps fuse 80a
• Eps-b fuse 5a
• Etcs fuse 10a
• Fan fuse 80a
• From engine room j/b 1 (diagram 1 of 4)
• Fuel pmp fuse 20a
• H-lp cln fuse 30a
• Horn fuse 10a
• Horns system
• Htr fuse 50a
• Ig1-main fuse 40a
• Inj fuse 20a
• Instrument panel j/b (left end of dash)
• J/b lh-am fuse 120a
• J/b lh-b fuse 80a
• Memory systems
• Mir htr fuse 15a
• Mpx-b 2 fuse 10a
• Mpx-b fuse 10a
• Navigation system
• Noise filter fuse 10a
• P/i-am fuse 80a
• P/i-b fuse 100a
• Pnk
• Ptc htr 1 fuse 50a
• Ptc htr 2 fuse 50a
• Red
• S-horn fuse 10a
• Seats system
• Semi conductor power integration ecu
• St fuse 30a
• Starter assembly
• Starting/ charging system
• Stop fuse 5a
• Strg htr fuse 15a
• To engine room j/b 2 (diagram 1 of 4)
• To engine room j/b 2 (diagram 2 of 4)
• To engine room r/b 2 (diagram 2 of 4)
• To instrument panel j/b (diagram 3 of 4)
• To instrument panel j/b (diagram 4 of 4)
• Vgrs fuse 40a
• Wiper/washer system
• Xa (right rear of engine compt)

Power Distribution Wiring Diagram (2 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (2 of 4) for Lexus IS 250 2014:

• (left side of engine compt) engine room r/b 2
• A/f fuse 15a
• A/f relay
• Ae (right rear of engine compt)
• Alt-ig fuse 5a
• Avs fuse 20a
• Batt
• Cooling fans system
• Cruise control system
• D11
• Door locks & anti-theft systems
• Efi-main fuse 25a
• Efi-main relay
• Electronic power steering system
• Electronic suspension system
• Eng-ig 1 fuse 10a
• Eng-ig 2 fuse 5a
• Engine compt)
• Engine controls & transmissions systems
• Engine controls system
• Engine room j/b 2 (left side of engine compt)
• Eps-ig fuse 5a
• From engine room j/b 1 (diagram 1 of 4)
• From engine room j/b 2 (diagram 1 of 4)
• From instrument panel j/b (diagram 4 of 4)
• Ground j/c 1 (left rear of
• H-lp lh-lo fuse 15a
• H-lp lh-lo relay
• H-lp rh-lo fuse 15a
• H-lp rh-lo relay
• Ig2 fuse 10a
• Ig2 relay
• Ig2-main fuse 20a
• Igi main relay
• J/c 1 (left side of engine compt)
• P inj fuse 10a
• Radar-ig fuse 5a
• Red
• Semiconductor power integration ecu
• Starting/ charging system
• To instrument panel j/b (diagram 3 of 4)
• Washer fuse 20a
• Wiper fuse 25a
• Wiper/washer system
• Wiring harness condenser assembly 1

Power Distribution Wiring Diagram (3 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (3 of 4) for Lexus IS 250 2014:

• (left end of dash) instrument panel j/b
• (not used)
• A/bag-ig2 fuse 7.5a
• A10
• A11
• A13
• A14
• A15
• A21
• A22
• A27
• A28
• A30
• A31
• A32
• A43
• A44
• A50
• A53
• A56
• Accd
• Agnd
• All dr lock relay
• Am2 fuse 7.5a
• Amp 1 fuse 30a
• Amp 2 fuse 30a
• Anti-theft system
• B15
• Becu
• C19
• Certification ecu (right end of dash)
• Computer data lines system
• Cruise control & exterior lights systems
• D dr unlock relay
• D/l fuse 30a
• D20
• D27
• D30
• Dome cut relay
• Dome fuse 15a
• Door f/r fuse 30a
• Door r/r fuse 30a
• Ecu-b fuse 10a
• Electronic power steering system
• Engine controls system
• Engine switch
• From acc relay (diagram 4 of 4)
• From d/l fuse o (diagram 3 of 4)
• From ecu-acc n fuse (diagram 4 of 4)
• From engine room j/b 2 (diagram 2 of 4)
• From engine room r/b 1 (diagram 1 of 4)
• Fuel lock relay
• Haz fuse 15a
• Ig1d
• Ign 1 fuse 7.5a
• Ign 2 fuse 7.5a
• Instrument cluster & exterior lights systems
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/b-am fuse 10a
• J/b-b fuse 10a
• L/d dr unlock relay
• Main body ecu
• Memory & electronic power steering systems
• Memory systems
• Meter fuse 7.5a
• Navigation & sound systems
• Navigation system
• Obd fuse 7.5a
• Ods fuse 5a
• P/set f/r fuse 30a
• Pnk
• Power tops system
• Power windows system
• Radio fuse 15a
• Red
• Rr shade fuse 7.5a
• Seats system
• Shift interlock system
• Smart fuse 5a
• Ss1
• Ss2
• Ssw1
• Ssw2
• Strg lock fuse 20a
• Ti & te fuse 20a
• To all dr lock relay (diagram 3 of 4)
• To instrument panel j/b (diagram 4 of 4)
• Warning systems

Power Distribution Wiring Diagram (4 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (4 of 4) for Lexus IS 250 2014:

• (left end of dash) instrument panel j/b
• (left side of engine compt) j/c 1
• (middle of left "a" pillar) j/c 10
• (not used)
• A/c fuse 7.5a
• A12
• A16
• A19
• A23
• A33
• A35
• A39
• A42
• A49
• A52
• A54
• A55
• Acc
• Acc relay
• Air conditioning & defogger systems
• Air conditioning system
• Air conditioning, memory, navigation & electronic power steering systems
• Air conditioning, seats, navigation, sound, defogger & transmissions systems
• Anti-lock brakes & electronic power steering systems
• Anti-lock brakes system
• B12
• B13
• B19
• B32
• Bkup lp fuse 7.5a
• Bkup lp relay
• C10
• C11
• C12
• C13
• C17
• C19
• C20
• C21
• C22
• C23
• C3 (not used)
• Computer data lines, navigation & warning systems
• Cruise control, transmissions & exterior lights systems
• D13
• D14
• D15
• D19
• D21 (not used)
• D28
• D29
• D34
• Door f/l fuse 30a
• Door r/l fuse 30a
• Ecu-acc fuse 7.5a
• Ecu-ig1 2 fuse 10a
• Ecu-ig1 fuse 10a
• Engine controls, transmissions & cruise control systems
• Exterior lights system
• From certification ecu (diagram 3 of 4)
• From engine room j/b 1 (diagram 1 of 4)
• Gnd
• Headlights & wiper/ washer systems
• Ig1 1 fuse 10a
• Ig1 1 relay
• Ig1 2 fuse 10a
• Ig1 2 relay
• Ig1 3 fuse 10a
• Ig1 3 relay
• Interior lights
• Interior lights & instrument cluster systems
• Ka (left kick panel)
• Kc (right kick panel)
• Ks1
• Main body ecu
• Memory systems
• Navigation & sound systems
• Navigation system
• P/outlet 1 fuse 7.5a
• P/outlet relay
• P/seat f/l fuse 30a
• P/w fuse 5a
• Panel fuse 7.5a
• Pnk
• Power outlet socket assembly
• Power tops system
• Power tops, passive restraints, warning & memory systems
• Power windows system
• Power windows, mirrors & memory systems
• Red
• S/htr f/l fuse 15a
• S/htr f/r fuse 15a
• S/roof fuse 20a
• Seats system
• Shift interlock system
• Tail fuse 15a
• Tail relay
• To engine room j/b 2 (diagram 2 of 4)
• To engine room r/b 2 (diagram 2 of 4)
• To l/d dr unlock relay (diagram 3 of 4)
• To obd fuse (diagram 3 of 4)
• Transmissions system
• Trly
• Trunk open relay
• Trunk opn fuse 7.5a
• Wiper sw-ig fuse 5a
• Wiper/washer system
• Wiper/washer, mirrors & power tops systems

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (1 of 7) for Lexus IS 250 2014:

• A19
• Act+
• Act-
• Actd
• All door lock relay
• B10
• B11
• B17
• B21
• B23
• B24
• B25
• B26
• B27
• Becu
• Bzr
• C24
• C26
• C28
• C29
• Canh
• Canl
• Computer data lines system
• D door unlock relay
• D/l fuse 30a
• D10
• D16
• D25
• D34
• Domr
• Door unlock switch sub assembly (center of rear of trunk lid)
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Exterior lights system
• Flcy
• Frcy
• Gbs
• Gnd1
• Hcty
• Headlights system
• Horn
• Horns system
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hrly
• Ile
• Instrument panel j/b (left end of dash)
• Interior lights system
• Ka (left kick panel)
• Kc (right kick panel)
• Kp1
• Kq1
• Kq2
• L/d door unlock relay
• Lcty
• Left front door courtesy light switch assembly (left "b" pillar)
• Lgcy
• Lin2
• Lsfl
• Lsfr
• Lswl
• Lswr
• Luggage door opening cancel switch switch assembly
• Main body ecu (in instrument panel j/b)
• P/w fuse 5a
• Pnk
• Prg
• Qb (left side of trunk)
• Rcty
• Rda
• Red
• Right front door courtesy light switch assembly (right "b" pillar)
• Sscl
• Tkul
• Tmsw
• Tr+
• Trly
• Trunk opn fuse 7.5a
• Trunk opn relay
• Tsw
• Ul1
• Ul3

Power Door Locks Wiring Diagram (2 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (2 of 7) for Lexus IS 250 2014:

• (inside left front wheel well) wireless door lock buzzer
• 12v
• Ae (right rear of engine compt)
• Ba1
• Control circuit
• Door lock & unlock switch
• Gnd
• Ground j/c 1 (left rear of engine compt)
• Hood courtesy switch (hood lock assembly) (center front of engine compt)
• J/c 7 (left front door)
• Ka (left kick panel)
• Ka4
• Kp1
• Left rear door courtesy light switch assembly (left "c" pillar)
• Lin1
• Luggage door opening switch assembly
• Multiplex network master switch assembly
• Nb (rear of left front door)
• Nq1
• Op1
• Pa (right "b" pillar)
• Pnk
• Red
• Regulator
• Right rear door lock w/ motor assembly (right rear door)
• Unlock detection
• W/ memory
• W/o memory

Power Door Locks Wiring Diagram (3 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (3 of 7) for Lexus IS 250 2014:

• (front passenger's door) right front door lock w/ motor assembly
• (left rear door) left rear door lock w/ motor assembly
• Ap1
• Cont
• Detection unlock
• Door lock
• Door unlock
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Kp1
• Kp3
• Kq1
• Left front door lock w/ motor assembly (driver's door)
• Lock key
• Lssr
• Na (rear of right front door)
• Nb (rear of left front door)
• Np1
• Nq1
• Oq1
• Pb (right "c" pillar)
• Pnk
• Qa (left "b" pillar)
• Red
• Right front power window regulator switch assembly
• Right rear door courtesy light switch assembly (right "c" pillar)
• S-horn fuse 10a
• S-horn relay (if equipped)
• Security horn (right side of engine compt)
• Theft warning siren (w/o security horn) (right rear corner of trunk)
• Unlock key

Power Door Locks Wiring Diagram (4 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (4 of 7) for Lexus IS 250 2014:

• (left side of dash) stop lamp switch
• 5v ic
• A53
• Ae (right rear of engine compt)
• B30
• Brake actuator (left rear of engine compt)
• C31
• C32
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Eng-ig 2 fuse 5a
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• I/f
• Ic1
• Ig+
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Led driver
• Luggage compartment door lock assembly
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Qb (left side of trunk)
• Red
• Sp1
• Speaker
• Stop fuse 5a
• Telltales

Power Door Locks Wiring Diagram (5 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (5 of 7) for Lexus IS 250 2014:

• A10
• A22
• A44
• Agnd
• Am2 fuse 7.5a
• Antenna coil
• Anti-theft system
• Code
• Computer data lines system
• D30
• Engine switch
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ig2
• Ige
• Ign 2 fuse 7.5a
• Instrument panel j/b (left end of dash)
• J/b-am fuse 10a
• Ka (left kick panel)
• Ka1
• Kk1
• Lin
• Option connector (center of dash)
• Red
• Slp1
• Ss1
• Ss2
• Steering lock actuator (steering column)
• Strg lock fuse 20a
• Swil
• Txct
• Vc5

Power Door Locks Wiring Diagram (6 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (6 of 7) for Lexus IS 250 2014:

• (left front of engine compt) engine control module (ecm)
• (right end of dash) certification ecu
• A13
• A76
• A77
• Ante8
• Canh
• Canl
• Clgb
• Computer data lines system
• Csel
• Cutb
• Data
• Electrical key antenna (in front of center of rear bumper)
• Gnd
• Ig1d
• Ka2
• Ka4
• Kq2
• Kq3
• Ksw
• Neo
• Pnk
• Power distribution system
• Prg
• Qb (left side of trunk)
• Rda
• Red
• Sksw
• Sta
• Star
• Starting/ charging system
• Stp1
• Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly) (left "c" pillar)

Power Door Locks Wiring Diagram (7 of 7) for Lexus IS 250 2014

List of elements for Power Door Locks Wiring Diagram (7 of 7) for Lexus IS 250 2014:

• (under center console) shift lock control ecu
• A/c control assembly
• Accd
• Agnd
• Ant1
• Ant2
• Ante5
• Ante6
• Ante7
• Anti-theft system
• Canh
• Canl
• Certification ecu (right end of dash)
• Cg1b
• Cg2b
• Cg5b
• Cg6b
• Cg7b
• Cg8b
• Clg1
• Clg2
• Clg5
• Clg6
• Clg7
• Clg8
• Clgb
• Code
• Computer data lines system
• Csel
• Gnd
• Ind
• Indoor electrical key antenna assembly 1
• Ka (left kick panel)
• Kc (right kick panel)
• Kp1
• Kq1
• Kq3
• Left front door outside handle assembly
• Lin
• Luggage electrical key switch (center rear of trunk)
• Np1
• Nq1
• Pnk
• Power distribution system
• Qb (left side of trunk)
• Rco
• Rdam
• Rear indoor electrical key antenna assembly 1 (center front of trunk)
• Rear indoor electrical key antenna assembly 2 (left rear corner of trunk)
• Red
• Right front door outside handle assembly
• Security indicator
• Slp
• Slr+
• Spd
• Ssw1
• Ssw2
• Swil
• Tsw5
• Txct
• Vc5

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Lexus IS 250 2014

List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 250 2014:

• (middle of left "a" pillar) j/c 10
• +b2
• +b3
• Automatic glare resistant ec mirror, garage door opener, compass (w/ compass)
• B32
• Ec mirror
• Ec+
• Ec-
• Eci+
• Eci-
• Engine room r/b 1 (right rear of engine compt)
• Gnd
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1
• Ig1 3 fuse 10a
• Inner rearview mirror assembly
• Instrument panel j/b (left end of dash)
• Ka (left kick panel)
• Kp2
• Kq1
• Ks1
• Left outer mirror control ecu assembly (left front door)
• Left outer rearview mirror assembly
• Map light assembly
• Mpx-b 1 fuse 10a
• N24
• Np1
• Nq1
• Pnk
• Right outer mirror control ecu assembly (right front door)
• Right outer rearview mirror assembly
• W/ memory
• W/o memory
• Z11
• Z12

Power Mirrors Wiring Diagram for Lexus IS 250 2014

List of elements for Power Mirrors Wiring Diagram for Lexus IS 250 2014:

• 12v
• A19
• Blindspot monitor indicator
• Bsl+
• Computer data lines system
• Control circuit
• Defogger system
• Ec mirror
• Ec+
• Ec-
• Electrochromic mirror circuit
• Exterior lights system
• Foot light
• Gnd
• Hot at all times
• Ill+
• Ill-
• Instrument panel j/b assembly (left end of dash)
• Interior lights system
• J/c 7 (left front door)
• Kq1
• Left outer rearview mirror
• Lin1
• Mh+
• Mirror adjust switch
• Mirror drive ic
• Mirror heater
• Mirror r/l select switch
• Mlp
• Multiplex network master switch assembly
• Mv+
• Navigation system
• Nb (rear of left front door)
• Np1
• Nq1
• P/w fuse 5a
• Pnk
• Pq2
• Red
• Regulator
• Right outer rearview mirror
• Turn light

POWER SEATS

Climate Control Seats Wiring Diagram for Lexus IS 250 2014

List of elements for Climate Control Seats Wiring Diagram for Lexus IS 250 2014:

• A/c amplifier (center of dash)
• A16
• A52
• B1 l
• B1 r
• Canh
• Canl
• Computer data lines system
• Cushion center
• Gnd
• Gnd2
• Hot w/ ig1 1 relay energized
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Igb
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c (under driver's seat)
• J/c 11 (under front passenger's seat)
• J/c 12 (under driver seat)
• K10
• K11
• Ka (left kick panel)
• Kp3
• Kq1
• Kq2
• Left seat back climate control blower (driver's seat back)
• Left seat climate cushion control blower assembly (driver's seat cushion)
• Left seat heater assembly (left separate type front seat back cover)
• Lh bolster
• Lin1
• Lout
• Pa (right "b" pillar)
• Pnk
• Pa1
• Qa (left "b" pillar)
• Qb1
• Red
• Refreshing seat switch
• Rh bolster
• Right seat back climate control blower (front passenger's seat back)
• Right seat climate cushion control blower assembly (front passenger's seat cushion)
• Right seat heater assembly (right separate type front seat back cover)
• Right seat heater control
• Rout
• S/htr f/l fuse 15a
• S/htr f/r fuse 15a
• Seat back
• Seat heater control
• Sg-3
• Sg-4
• Shd+
• Shp+
• Swl
• Swr
• Thl
• Thr
• Tsl
• Tsr
• Ca1
• Db1

Driver Power Seat Wiring Diagram for Lexus IS 250 2014

List of elements for Driver Power Seat Wiring Diagram for Lexus IS 250 2014:

• (in driver's seat) (left front seat spring sub assembly) left lumbar support motor
• D13
• Down
• Fdwn
• Front
• Front lumbar power seat switch
• Front vertical
• Fup
• Hot at all times
• Instrument panel j/b (left end of dash)
• Ldwn
• Left front power seat switch
• Left power seat lift motor (left front seat adjuster assembly)
• Left power seat reclining motor (left front seat separate type back spring assembly) (in driver's seat)
• Left power seat slide motor (left front seat adjuster assembly) (in driver's seat)
• Left power seat tilt motor (left front seat adjuster assembly)
• Lifter
• Lup
• P/seat f/l fuse 30a
• Pnk
• Qa (left "b" pillar)
• Qb1
• Rclf
• Rclr
• Rear
• Reclining
• Red
• Sldf
• Sldr
• Slide
• Db1
• Db1 pnk

Heated Seats Wiring Diagram for Lexus IS 250 2014

List of elements for Heated Seats Wiring Diagram for Lexus IS 250 2014:

• (center of dash)
• (left
• A/c amplifier
• A16
• A52
• B1 l
• B1 r
• Canh
• Canl
• Computer
• Cushion center
• Data lines
• Hot w/ ig1 1 relay energized
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior
• J/c 11 (under front passenger's seat)
• J/c 12 (under driver's seat)
• K10
• K11
• Kick panel)
• Kp3
• Kq2
• Left seat heater assembly (left separate type front seat back cover)
• Lh bolster
• Lights system
• Lin1
• Pa (right "b" pillar)
• Pnk
• Pa1
• Qa (left "b" pillar)
• Qb1
• Red
• Refreshing
• Rh bolster
• Right seat heater assembly (right separate type front seat back cover)
• Right seat heater control
• S/htr f/l fuse 15a
• S/htr f/r fuse 15a
• Seat back
• Seat heater control
• Seat switch
• Sg-3
• Sg-4
• Shd+
• Shp+
• Swl
• Swr
• System
• Thl
• Thr
• Tsl
• Tsr

Heated Steering Wheel Wiring Diagram for Lexus IS 250 2014

List of elements for Heated Steering Wheel Wiring Diagram for Lexus IS 250 2014:

• A52
• Assembly heater control
• C10
• Engine room r/b 2 (left side of engine compt)
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c 1 (left rear of engine compt)
• J/c 1 (left side of engine compt)
• K27
• Ka (left kick panel)
• Ka4
• Pnk
• Red
• Refreshing seat switch
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering heater
• Steering wheel heater control assembly
• Strg htr fuse 10a
• Strg htr relay

Passenger Power Seat Wiring Diagram for Lexus IS 250 2014

List of elements for Passenger Power Seat Wiring Diagram for Lexus IS 250 2014:

• Down
• Fdwn
• Front
• Front vertical
• Fup
• Hot at all times
• Instrument panel j/b (left end of dash)
• Kp1
• Ldwn
• Lifter
• Lup
• P/seat f/r fuse 30a
• Pa (right "b" pillar)
• Pnk
• Pa1
• Rclf
• Rclr
• Rear
• Reclining
• Red
• Right front power seat switch
• Right power seat lift motor (right front seat adjuster assembly)
• Right power seat reclining motor (right front seat separate type back spring assembly) (front passenger's seat)
• Right power seat slide motor (right front seat adjuster assembly) (front passenger's seat)
• Right power seat tilt motor (right front seat adjuster assembly)
• Sldf
• Sldr
• Slide
• Ca1

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Lexus IS 250 2014

List of elements for Power Top/Sunroof Wiring Diagram for Lexus IS 250 2014:

• 5v ic
• 5v+b
• A12
• A53
• B21
• B32
• Becu
• Can i/f
• Canh
• Canl
• Close
• Cls
• Combination meter assembly
• Computer data lines system
• Cpu
• Display driver
• Down
• Dwn
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Flcy
• Gnd
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Ig1 3 fuse 10a
• Ig3
• Illb
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c 10 (middle of left "a" pillar)
• Ka (left kick panel)
• Kc (right kick panel)
• Kq1
• Ks1
• Left front door courtesy light switch assembly (left "b" pillar)
• Left front door lock w/ motor assembly (driver's door)
• Lill
• Lin2
• Lock key
• Main body ecu (in instrument panel j/b)
• Map light assembly
• Meter fuse 7.5a
• Mpx1
• Nb (rear of left front door)
• Nq1
• Open
• Opn
• Pnk
• S/roof fuse 20a
• Sliding roof control ecu (sliding roof gear sub-assembly) (center front of roof)
• Sliding roof control switch
• Sliding roof switch
• Speaker
• Ul3
• Unlock key

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Lexus IS 250 2014

List of elements for Power Windows Wiring Diagram (1 of 2) for Lexus IS 250 2014:

• (rear of left front door) nb
• 12v
• 5v ic
• 5v+b
• A13
• A19
• A53
• B21
• Becu
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Control circuit
• Cpu
• D15
• Display driver
• Door f/l fuse 30a
• Door f/r fuse 30a
• Door lock & unlock switch
• Door r/l fuse 30a
• Door r/r fuse 30a
• Driver side auto switch
• Driver side down switch
• Driver side up switch
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Flcy
• Front passenger side power window switch
• Gnd
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Indicator
• Instrument panel j/b (left end of dash)
• J/c 7 (left front door)
• Kc (right kick panel)
• Key lock
• Key unlock
• Kp1
• Kq1
• Led
• Left front door courtesy light switch assembly (left "b" pillar)
• Left front door lock w/ motor assembly (driver's door)
• Left rear & right rear side power window switch indicator
• Left rear side power window switch
• Lin 2
• Lin1
• Main body ecu
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Multiplex network master switch assembly
• N18
• N27
• Nb (rear of left front door)
• Nq1
• P/w fuse 5a
• Pnk
• Power window switch driver side
• Power window switch front passenger side
• Red
• Regulator
• Right rear side power window switch
• Speaker
• Ul3
• W/ memory
• W/o memory
• Window lock switch
• Window lock switch indicator

Power Windows Wiring Diagram (2 of 2) for Lexus IS 250 2014

List of elements for Power Windows Wiring Diagram (2 of 2) for Lexus IS 250 2014:

• (left rear door) left rear power window regulator motor assembly
• Auto
• Door lock
• Door locks system
• Door unlock
• Down
• Down auto
• Dwn
• Gnd
• Hall ic
• Ill+
• Ill-
• Interior lights system
• Kp1
• Kq1
• Led
• Left front power window regulator motor assembly (driver's door)
• Left rear power window regulator switch assembly
• Lin
• Manual down
• Manual up
• Na (rear of right front door)
• Nb (rear of left front door)
• Np1
• Op1
• Oq1
• Pa (right "b" pillar)
• Pnk
• Qa (left "b" pillar)
• Red
• Right front power window regulator motor assembly (front passenger's door)
• Right front power window regulator switch assembly
• Right rear power window regulator motor assembly (right rear door)
• Right rear power window regulator switch assembly
• Up auto

Rear Window Sun Shade Wiring Diagram for Lexus IS 250 2014

List of elements for Rear Window Sun Shade Wiring Diagram for Lexus IS 250 2014:

• A77
• Becu
• C10
• Canh
• Canl
• Computer data lines system
• D20
• D34
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Ecm (engine control module) (left front of engine compt)
• Ecu
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• F74
• Fa1
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c 1 (left side of engine compt)
• J/c 4 (left side of engine compt)
• Ka (left kick panel)
• Kc (right kick panel)
• Kq1
• Main body ecu
• Park/ neutral position switch (right side of transmission)
• Qa (left "b" pillar)
• Rear sunshade relay (rear window shade assembly)
• Rear sunshade switch assembly
• Red
• Rev
• Shade rr fuse 7.5a

RADIO

Radio Wiring Diagram, with Navigation (1 of 6) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, with Navigation (1 of 6) for Lexus IS 250 2014:

• (if equipped) sdars antenna
• (right end of dash) certification ecu
• 8 speaker
• A32
• A52
• A75
• Acc
• Acc relay
• Accd
• Adpg
• Agnd
• B12
• B19
• C10
• C20
• Canh
• Canl
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Ecu- acc fuse 7.5a
• F74
• Fa1
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Gnd2
• Gps antenna
• Gvif
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 1 (left side of engine compt)
• J/c 4 (left side of engine compt)
• K121
• K122
• K133
• K59
• K60
• K68
• K70
• Kc (right kick panel)
• Main antenna
• Nca
• Park/neutral position switch assembly (right side of transmission)
• Pnk
• R p
• Radio fuse 15a
• Radio receiver assembly
• Red
• Shield
• Stereo jack adapter assembly 1
• Sub antenna
• Ugd1
• Us1+
• Us1-
• Usv1
• Va-
• Val+
• Var+
• Vv+
• Vv-

Radio Wiring Diagram, with Navigation (2 of 6) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, with Navigation (2 of 6) for Lexus IS 250 2014:

• (right rear of trunk) stereo component amplifier assembly
• 15 speaker
• 8 speaker
• A/c switch
• Acc
• Ca+
• Cb+
• Cgnd
• Cv+
• Cv-
• Gnd1
• Gvif
• Ii1+
• Ii1-
• Ill
• Interior lights system
• K124
• K61
• Ka1
• Ke (under center console)
• Kp1
• Kp2
• Kq1
• Mi+
• Mi-
• Mo+
• Mo-
• Multi-display assembly
• Mute
• P24
• P36
• Pnk
• Qt1
• Rear television camera assembly (w/ rear view monitor system) (center rear of trunk lid)
• Red
• Rev
• Shield
• Sld
• Sld1
• Sldi
• Sldo
• Spd
• Tmut
• Tx+
• Tx-
• Vmti
• Wui

Radio Wiring Diagram, with Navigation (3 of 6) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, with Navigation (3 of 6) for Lexus IS 250 2014:

• 15 speaker
• 8 speaker
• Acc
• Gnd
• Ill+
• Ill-
• Interior lights system
• K127
• K26
• K71
• K72
• Kc (right kick panel)
• Left steering pad switch
• Mi+
• Mi-
• Mo+
• Mo-
• Mode
• Mut1
• Off hook
• On hook
• Pi1
• Pnk
• Radio receiver assembly
• Red
• Remote operation switch
• Right steering pad switch
• Rl+
• Rl-
• Seek+
• Seek-
• Shield
• Sldi
• Sldo
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly
• Tx1+
• Tx1-
• Usb
• Usbg
• Usbv
• Voice
• Voice return
• Vol+
• Vol-
• Vor+
• Vor-
• Vot+
• Vot-
• Wuo

Radio Wiring Diagram, with Navigation (4 of 6) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, with Navigation (4 of 6) for Lexus IS 250 2014:

• +b1
• A53
• Acc1
• Adim
• B28
• C15
• Canh
• Canl
• Cnh1
• Cnh2
• Cnl1
• Cnl2
• Computer data lines system
• Gnd1
• Hot w/ ig2 relay energized
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• K58
• Kc (right kick panel)
• Ke (under center console)
• Ks1
• Ks2
• Macc
• Map light assembly
• Mco+
• Mco-
• Meter fuse 7.5a
• Microphone
• Min+
• Min-
• Parking brake switch assembly (left side of dash)
• Pkb
• Pnk
• Radio receiver assembly
• Red
• Sgnd
• Shield
• Sns2
• Spd
• Sw1
• Sw2
• Swg
• Tx3+
• Tx3-
• Vmtf
• W/ lexus enform & safety connect
• W/o lexus enform & safety connect

Radio Wiring Diagram, with Navigation (5 of 6) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, with Navigation (5 of 6) for Lexus IS 250 2014:

• (left side of dash) dcm (telematics transceiver)
• 15 speaker
• 5v ic
• 8 speaker
• Brake actuator assembly (left rear of engine compt)
• Can i/f
• Canh
• Canl
• Cann
• Canp
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• Engine room r/b 1 (right rear of engine compt)
• Gvif
• Hot at all times
• I/f
• Ig+
• K123
• K128
• K66
• Ka1
• Kc (right kick panel)
• Kp1
• Kp2
• Lcd driver
• Mci+
• Mci-
• Mco+
• Mco-
• Mcvd
• Mpx-b 1 fuse 10a
• Msch
• Mscl
• Mute
• Pnk
• Red
• Right front speaker assembly 2
• Sgnd
• Shield
• Sp1
• Speaker
• Spi+
• Spi-
• Spo+
• Spo-
• Telltales
• Usb
• Usbg
• Usbv
• Vor+
• Vor-
• Vot+
• Vot-
• W/ lexus enform & safety connect
• W/o lexus enform & safety connect

Radio Wiring Diagram, with Navigation (6 of 6) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, with Navigation (6 of 6) for Lexus IS 250 2014:

• (15 speaker) left rear header speaker assembly
• (15 speaker) right rear header speaker assembly
• +b2
• +tw
• -tw
• 15 speaker
• 8 speaker
• Amp 1 fuse 30a
• Amp 2 fuse 30a
• Ctr+
• Ctr-
• Fl+
• Fl-
• Fr+
• Fr-
• Front speaker assembly 3
• Gnd
• Gnd2
• Hot at all times
• Instrument panel j/b (left end of dash)
• Kp1
• Left front speaker assembly 1
• Left front speaker assembly 2
• Left rear speaker assembly
• Left rear speaker assembly 2
• Np1
• Nq1
• Oq1
• P23
• Pc (right rear of trunk)
• Pnk
• Pq1
• Qp1
• Rear speaker assembly 3
• Red
• Right front speaker assembly 1
• Right rear speaker assembly
• Right rear speaker assembly 2
• Rl+
• Rl-
• Rr+
• Rr-
• Sl+
• Sl-
• Spd
• Sr+
• Sr-
• Stereo component amplifier
• Tmut
• Wf1+
• Wf1-
• Wfl+
• Wfl-
• Wfr+
• Wfr-

Radio Wiring Diagram, without Navigation (1 of 5) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, without Navigation (1 of 5) for Lexus IS 250 2014:

• (if equipped) sdars antenna
• (right end of dash) certification ecu
• +b1
• 8 speaker
• A32
• A52
• Acc
• Acc relay
• Acc1
• Adim
• Adpg
• Agnd
• B12
• B19
• B28
• C10
• C15
• C20
• Canh
• Canl
• Cnah
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Ecu- acc fuse 7.5a
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Ill+
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c 1 (left side of engine compt)
• K120
• K121
• K68
• K70
• K72
• Kc (right kick panel)
• Ke (under center console)
• Macc
• Main antenna
• Min+
• Min-
• Mut1
• Nca
• Parking brake switch assembly (left side of dash)
• Pkb
• Pnk
• Radio fuse 15a
• Radio receiver assembly
• Red
• Sgnd
• Shield
• Sns2
• Spd
• Stereo jack adapter assembly 1
• Sub antenna
• Sw1
• Sw2
• Swg
• Tx1+
• Tx1-
• Ugd1
• Us1+
• Us1-
• Usv1
• Va-
• Val+
• Var+
• Vv+
• Vv-

Radio Wiring Diagram, without Navigation (2 of 5) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, without Navigation (2 of 5) for Lexus IS 250 2014:

• (right rear of trunk) stereo component amplifier assembly
• +b2
• 8 speaker
• A53
• Acc
• Acc2
• Engine room r/b 1 (right rear of engine compt)
• Givf
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig2 relay energized
• Ii1+
• Ii1-
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• K125
• K74
• K75
• Kc (right kick panel)
• Kp1
• Kp2
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Mute
• P24
• Pnk
• Radio receiver assembly
• Red
• Remote operation switch
• Shield
• Sld
• Sld1
• Spd
• Tmut
• Tx+
• Tx-
• Tx4+
• Tx4-
• Vmtf

Radio Wiring Diagram, without Navigation (3 of 5) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, without Navigation (3 of 5) for Lexus IS 250 2014:

• 15 speaker
• 8 speaker
• A/c switch
• Acc
• Ca+
• Cah1
• Cb+
• Cgnd
• Cnl1
• Cv+
• Cv-
• Givf
• Gnd1
• Ill
• Ill-
• Interior lights system
• K126
• K26
• K61
• K71
• K73
• Ka1
• Kc (right kick panel)
• Ke (under center console)
• Kq1
• Left steering pad switch
• Mi+
• Mi-
• Mo+
• Mo-
• Mode
• Multi-display assembly
• Off hook
• On hook
• Pnk
• Qt1
• Radio receiver assembly
• Rear television camera assembly (w/ rear view monitor system) (center rear of trunk lid)
• Red
• Rev
• Right steering pad switch
• Rl+
• Rl-
• Seek+
• Seek-
• Shield
• Sldi
• Sldo
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly
• Tx+
• Tx-
• Tx2+
• Tx2-
• Vmti
• Voice
• Voice return
• Vol+
• Vol-
• Wuo

Radio Wiring Diagram, without Navigation (4 of 5) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, without Navigation (4 of 5) for Lexus IS 250 2014:

• & safety connect
• (left side of dash) dcm (telematics transceiver)
• 15 speaker
• 5v ic
• 8 speaker
• A75
• Brake actuator assembly (left rear of engine compt)
• Can i/f
• Canh
• Canl
• Cann
• Canp
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• F74
• Fa1
• I/f
• Ig+
• J/c 4 (left side of engine compt)
• K66
• Ka1
• Kc (right kick panel)
• Kp1
• Kp2
• Ks1
• Ks2
• Lcd driver
• Macc
• Map light assembly
• Mci+
• Mci-
• Mco+
• Mco-
• Mcvd
• Microphone
• Msch
• Mscl
• Mute
• Park/neutral position switch d assembly (right side of transmission)
• Pnk
• R p
• Red
• Right front speaker assembly 2
• Sgnd
• Shield
• Sns2
• Sp1
• Speaker
• Spi+
• Spi-
• Spo+
• Spo-
• Telltales
• W/ lexus enform
• W/o lexus enform & safety connect

Radio Wiring Diagram, without Navigation (5 of 5) for Lexus IS 250 2014

List of elements for Radio Wiring Diagram, without Navigation (5 of 5) for Lexus IS 250 2014:

• (15 speaker) left rear header speaker assembly
• (15 speaker) right rear header speaker assembly
• +b2
• +tw
• -tw
• 15 speaker
• 8 speaker
• Amp 1 fuse 30a
• Amp 2 fuse 30a
• Ctr+
• Ctr-
• Fl+
• Fl-
• Fr+
• Fr-
• Front speaker assembly 3
• Gnd
• Gnd2
• Hot at all times
• Instrument panel j/b (left end of dash)
• Kp1
• Left front speaker assembly 1
• Left front speaker assembly 2
• Left rear speaker assembly
• Left rear speaker assembly 2
• Mi+
• Mi-
• Mo+
• Mo-
• Np1
• Nq1
• Oq1
• P23
• P36
• Pc (right rear of trunk)
• Pnk
• Pq1
• Pi1
• Qp1
• Rear speaker assembly 3
• Red
• Right front speaker assembly 1
• Right rear speaker assembly
• Right rear speaker assembly 2
• Rl+
• Rl-
• Rr+
• Rr-
• Shield
• Sl+
• Sl-
• Sldi
• Sldo
• Spd
• Sr+
• Sr-
• Stereo component amplifier (right rear of trunk)
• Tmut
• Wf1+
• Wf1-
• Wfl+
• Wfl-
• Wfr+
• Wfr-
• Wui

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Lexus IS 250 2014

List of elements for Shift Interlock Wiring Diagram for Lexus IS 250 2014:

• (left side of dash) stop lamp switch
• (left side of engine compt) junction connector 1
• 3.5l 2wd
• A35
• A41
• A77
• Ae (right rear of engine compt)
• C10
• Can +
• Can -
• Canh
• Canl
• Certification ecu (right end of dash)
• Computer data lines system
• Diode (park/neutral position switch) (behind left side of dash)
• Ecm (engine control module) (left front of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Exterior
• Exterior lights system
• F75
• F76
• Fa1
• Gnd
• Hot at all times
• Hot w/ ig1 2 relay energized
• Hot w/ ig1 3 relay energized
• Ic1
• Ig1 1 fuse 10a
• Ig1 3 fuse 10a
• Instrument panel j/b (left end of dash)
• Junction connector 5 (left side of engine compt)
• Ka (left kick panel)
• Ka1
• Lights
• P position detection switch
• Park/neutral position switch (right side of transmission)
• Red
• Shift lock control ecu (transmission floor shift assembly) (under center console)
• Shift lock solenoid
• Shift position indicator
• Sls+
• Sls-
• Stop fuse 5a
• Stp
• System
• Transmission control ecu (left front of engine compt)

Steering Column Wiring Diagram for Lexus IS 250 2014

List of elements for Steering Column Wiring Diagram for Lexus IS 250 2014:

• A10
• A22
• A44
• Am2 fuse 7.5a
• Canh
• Canl
• Certification ecu (right end of dash)
• Computer data lines system
• Door locks system
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Id code box (left side of dash)
• Ig2
• Ige
• Ign 2 fuse 7.5a
• Instrument panel j/b (left end of dash)
• Ka (left kick panel)
• Kc (right kick panel)
• Kk1
• Lin
• Lin 1
• Red
• Slp
• Slp1
• Slr+
• Steering lock actuator (on steering column)
• Strg lock fuse 20a

STARTING/CHARGING

Charging Wiring Diagram for Lexus IS 250 2014

List of elements for Charging Wiring Diagram for Lexus IS 250 2014:

• (left front of engine compt)
• 5v ic
• A53
• A77
• Alt
• Alt fuse 150a
• Alt ig fuse 5a
• Alt-s fuse 7.5a
• Battery
• Can i/f
• Canh
• Canl
• Chg-
• Combination meter assembly
• Computer data lines system
• Cpu
• Ecm (engine control module)
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fa1
• Generator assembly
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Instrument panel j/b (left end of dash)
• Ka1
• Kc (right kick panel)
• Meter fuse 7.5a
• Pnk
• Red
• Starter assembly
• Xa (right rear of engine compt)

Starting Wiring Diagram for Lexus IS 250 2014

List of elements for Starting Wiring Diagram for Lexus IS 250 2014:

• (right side of transmission) park/neutral position switch
• A13
• A77
• Agnd
• Battery
• Canh
• Canl
• Certification ecu (right end of dash)
• Charging circuit
• Computer data lines system
• Ecm (engine control module) (left front of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine switch
• Fa1
• Ground j/c 1 (left rear of engine compt)
• Hot at all times
• Junction connector 2 (left side of engine compt)
• Kc (right kick panel)
• Nsw
• Red
• Ss1
• Ss2
• Ssw1
• Ssw2
• St fuse 30a
• St relay
• Sta
• Star
• Starter assembly

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 3) for Lexus IS 250 2014

List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Lexus IS 250 2014:

• +sl
• +sr
• -sl
• -sr
• A/bag-ig2 fuse 7.5a
• A21
• A28
• A37
• A45
• A47
• Air bag sensor assembly (under center console)
• Bbl+
• Bbl-
• Bcl+
• Bcl-
• Bdl+
• Bdl-
• Buckle switch
• Canh
• Canl
• Computer data lines system
• D2+
• D2-
• Dk+
• Dk-
• Gsw
• Gsw3
• Hot at all times
• Hot w/ ig2 relay energized
• Icl+
• Icl-
• Ig2
• Instrument panel j/b (left end of dash)
• Instrument panel passenger w/o door air bag assembly
• K51
• Kb (under center console)
• Kc (right kick panel)
• Ky1
• Lbe+
• Lbe-
• Left front seat air bag assembly (in outboard side of left front seat back)
• Left front seat inner belt assembly (inboard side of left front seat)
• Left rear air bag sensor (in left "c" pillar)
• Left rear seat air bag assembly (left rear side seat back) (w/ rear side air bag) (in left "c" pillar)
• Left side air bag sensor assembly
• Left side door air bag sensor (left front door)
• Lsp+
• Lsp-
• Main body ecu
• Nq1
• Ods fuse 5a
• P-ab
• P2+
• P2-
• Paon
• Passive restraints system
• Pk+
• Pk-
• Pl+
• Pl-
• Plr+
• Plr-
• Q13
• Qa (left "b" pillar)
• Qb1
• Qk1
• Red
• Seat position air bag sensor
• Sfl+
• Sfl-
• Srl+
• Srl-

Supplemental Restraints Wiring Diagram (2 of 3) for Lexus IS 250 2014

List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Lexus IS 250 2014:

• (base of right "b" pillar)
• (left "b" pillar) left front air bag sensor
• (left side of dash) (w/ safety connect) dcm (telematics transceiver)
• (right "b" pillar) right front air bag sensor
• +sl
• +sr
• -sl
• -sr
• A/c control assembly
• A17
• A25
• A26
• A38
• A46
• A48
• D2+
• D2-
• Driver side squib circuit (horn button assembly)
• Gsw
• Icl+
• Icl-
• Icr+
• Icr-
• Instrument panel j/b (left end of dash)
• K31
• K66
• Ka3
• Ka6
• Left curtain shield air bag assembly (left roof rail)
• Left front seat outer belt assembly (base of left "b" pillar)
• Left rear seat point 3 type outer belt assembly (w/ rear side air bag) (in left "c" pillar)
• Lower instrument panel air bag assembly 1
• Lower instrument panel air bag assembly 2
• P-ab
• P10
• P11
• Paon
• Passenger air bag on/off indicator
• Passive restraints system
• Pj1
• Q19
• Q20
• Right curtain shield air bag assembly (left roof rail)
• Right front seat air bag assembly (in outboard side of right front seat back)
• Right front seat outer belt assembly
• Right rear seat point 3 type outer belt assembly (w/ rear side air bag) (in right "c" pillar)
• Sfr+
• Sfr-
• Spiral cable (under steering wheel)

Supplemental Restraints Wiring Diagram (3 of 3) for Lexus IS 250 2014

List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Lexus IS 250 2014:

• (right "c" pillar) pb
• 5v ic
• A53
• Air bag sensor assembly (under center console)
• Bbr+
• Bbr-
• Bcr+
• Bcr-
• Bdr+
• Bdr-
• Bgnd
• Bsw
• Buckle switch
• Ca1n
• Ca1p
• Can i/f
• Combination meter assembly
• Computer data lines system
• Cpu
• Dia
• Driving support ecu assembly (left side of dash)
• Engine room r/b 1 (right rear of engine compt)
• Fsr+
• Fsr-
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Icr+
• Icr-
• Ig2
• Instrument panel j/b (left end of dash)
• Ka (left kick panel)
• Kc (right kick panel)
• Kp1
• Led driver
• Left front occupant classification sensor (under left front side of front passenger's seat cushion)
• Left rear occupant classification sensor (under left rear side of front passenger's seat cushion)
• Meter fuse 7.5a
• Mk1
• Mpx-b 1 fuse 10a
• Np1
• Occupant detection ecu (under front passenger's seat)
• P31
• Passive restraints system
• Pb (right "c" pillar)
• Pbsw
• Pnk
• Pr+
• Pr-
• Pre-collision system cancel switch (pre-crash system cancel switch assembly)
• Prr+
• Prr-
• Pa1
• Pa2
• Red
• Right front seat inner belt assembly (inboard side of right front seat)
• Right rear air bag sensor (right "c" pillar)
• Right rear seat air bag assembly (right rear side seat back assembly) (w/ rear side air bag) (in right "c" pillar)
• Right side air bag sensor assembly
• Right side door air bag sensor (right front door)
• Sfr+
• Sfr-
• Sgd
• Sgd1
• Sgd3
• Sig
• Sig1
• Sig3
• Srr+
• Srr-
• Svc
• Svc1
• Svc3
• Telltales
• A13
• A14
• A15

TRANSMISSION

4WD Wiring Diagram for Lexus IS 250 2014

List of elements for 4WD Wiring Diagram for Lexus IS 250 2014:

• 4wd ecu assembly (right side of dash)
• 5v ic
• 5v+b
• A53
• Bsf
• C12
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Fa1
• Gnd
• Ground j/c 1 (left rear of engine compt)
• Hot w/ ig2 relay energized
• Ig+
• Ig1
• Ig1 2 fuse 10a
• Instrument panel j/b (left end of dash)
• J/c 2 left side of engine compt)
• Kc (right kick panel)
• Led driver
• Meter fuse 7.5a
• Red
• Slc
• Slc+
• Slc-
• Telltales
• Transfer control solenoid assembly (transfer control valve body assembly) (rear of transmission)

A/T Wiring Diagram (1 of 3) for Lexus IS 250 2014

List of elements for A/T Wiring Diagram (1 of 3) for Lexus IS 250 2014:

• +b2
• A76
• A77
• Accelerator pedal sensor assembly (right rear of engine)
• Batt
• Canh
• Canl
• Combination switch assembly
• Computer data lines system
• E2g
• Ecm (left front of engine compt)
• Efi 2 fuse 25a
• Efi main relay
• Efi-main fuse 25a
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Epa
• Epa2
• Eta
• Fa (left rear of engine)
• Fa1
• Ge01
• Hot at all times
• Ic1
• Ic2
• Instrument cluster system
• Intake mass air flow
• K81
• Ka (left kick panel)
• Ka1
• Me01
• Meter sub-assembly (right side of engine compt)
• Mrel
• Nt+
• Nt-
• Pnk
• Red
• Sftd
• Sftu
• Shield
• Snow mode switch
• Snsw
• Snwi
• Sp2+
• Sp2-
• Spd
• Stop fuse 5a
• Stop light
• Stp
• Switch assembly (left side of dash)
• Tha
• Tha e2
• Throttle body w/ motor assembly (right rear of engine)
• Transmission revolution sensor (counter gear) (rear of transmission)
• Transmission revolution sensor (turbine) (front of transmission)
• Vcp2
• Vcpa
• Vcta
• Vpa
• Vpa2
• Vta
• Vta2

A/T Wiring Diagram (2 of 3) for Lexus IS 250 2014

List of elements for A/T Wiring Diagram (2 of 3) for Lexus IS 250 2014:

• A52
• A75
• Acc relay
• B20
• C10
• C18
• C20
• Diode (a/t shift) (behind left side of dash)
• Ecc
• Ecu- acc fuse 7.5a
• F74
• F75
• F76
• Fa (top rear of engine)
• Fa1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/c 1 (left side of engine compt)
• J/c 4 (left side of engine compt)
• J/c 5 (left side of engine compt)
• K26
• Ka (left kick panel)
• Ka1
• Ka7
• Left paddle shift switch
• Park/neutral position switch assembly (right side of transmission)
• Pnk
• Red
• Right steering pad switch
• Sdn
• Sftd
• Sftu
• Shift position indicator
• Shift switch right paddle
• Sprial cable w/ sub-assembly (under steering wheel)
• Starting/ charging system
• Steering pad switch assembly
• Sup
• Switch wire 1
• Transmission control switch (base of selector lever)

A/T Wiring Diagram (3 of 3) for Lexus IS 250 2014

List of elements for A/T Wiring Diagram (3 of 3) for Lexus IS 250 2014:

• 5v ic
• A53
• A76
• A77
• Brake actuator assembly (left rear of engine compt)
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• Driver lcd
• Ecm (left front of engine compt)
• Electronically controlled transmission solenoid
• Engine room r/b 1 (right rear of engine compt)
• Fa1
• Hot at all times
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Instrument panel j/b (left end of dash)
• Ka1
• Kc (right kick panel)
• Meter fuse 7.5a
• Mpx-b 1 fuse 10a
• Oil
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1
• Speaker
• Telltales
• Tho1

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250 2014

List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250 2014:

• A22
• Actd
• Am2 fuse 7.5a
• B14
• Becu
• Canh
• Canl
• Certification ecu (right end of dash)
• Computer data lines system
• D door unlock relay
• D/l fuse 30a
• D11
• D16
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Fuel
• Fuel lid lock w/ motor assembly
• Fuel lock relay
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Instrument panel j/b (left end of dash)
• Interior lights system
• Ka (left kick panel)
• Kc (right kick panel)
• Kq1
• Left front door lock w/ motor assembly (driver's door)
• Lgcy
• Lock key
• Luggage compartment door lock assembly
• Luggage door opening cancel switch switch assembly
• Luggage door opening switch assembly
• Luggage electrical key switch (center rear of trunk)
• Main body ecu (in instrument panel j/b)
• Nb (rear of left front door)
• Nq1
• Pnk
• Qb (left side of trunk)
• Tmsw
• Tr+
• Trunk opn fuse 7.5a
• Trunk opn relay
• Tsw
• Tsw5
• Ul3
• Unlock key

WARNING SYSTEMS

Seat Belt Warning Wiring Diagram for Lexus IS 250 2014

List of elements for Seat Belt Warning Wiring Diagram for Lexus IS 250 2014:

• (canada) off
• (inboard side of left front seat) left front seat inner belt assembly
• (usa) drl off
• 5v ic
• 5v+b
• A/bag-ig2 fuse 7.5a
• A28
• A47
• A53
• Ae (right rear of engine compt)
• Air bag sensor assembly (under center console)
• Auto
• Becu
• Bgnd
• Brake fluid level warning switch (brake master cylinder reservoir asssembly) (brake fluid reservoir)
• Bsw
• C15
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Flcy
• Fsr+
• Fsr-
• Gnd
• Gnd1
• Head
• Headlight dimmer switch assembly
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Ig2
• Instrument panel j/b (left end of dash)
• K51
• Ka (left kick panel)
• Ka2
• Kb (under center console)
• Kc (right kick panel)
• Kp1
• Kq1
• Lbe+
• Lbe-
• Led driver
• Left front door courtesy switch assembly (left "b" pillar)
• Left front occupant classification sensor (under left front side of front passenger's seat cushion)
• Left rear occupant classification sensor (under left rear side of front passenger's seat cushion)
• Light control switch
• Lsp+
• Lsp-
• Main body ecu
• Meter fuse 7.5a
• Occupant detection ecu (under front passenger's seat)
• P31
• Parking brake switch (left side of dash)
• Pb (right "c" pillar)
• Pkb
• Pnk
• Pa2
• Red
• Right front inner seat belt assembly (inboard side of right front seat)
• Seat position sensor
• Sgd
• Sgd1
• Sgd3
• Sig
• Sig1
• Sig3
• Speaker
• Svc
• Svc1
• Svc3
• Tail
• Telltales
• A13
• A14

Tire Pressure Monitoring Wiring Diagram for Lexus IS 250 2014

List of elements for Tire Pressure Monitoring Wiring Diagram for Lexus IS 250 2014:

• (right kick panel) kc
• 5v ic
• 5v+b
• A49
• A53
• Alsi
• Becu
• Can i/f
• Canh
• Canl
• Clsw
• Combination meter assembly
• Computer data lines system
• Cpu
• D30
• D34
• Display driver
• Ecu- ig1 1 fuse 10a
• Ecu- ig1 2 fuse 10a
• Ecu-b fuse 10a
• F in
• F ot
• Fr+
• Fr-
• Front tire pressure monitor initiator (behind left front wheel well liner)
• Gnd
• Gnd1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig+
• Instrument panel j/b (left end of dash)
• J/b-am fuse 10a
• Ka (left kick panel)
• Ka1
• Kc (right kick panel)
• Kq1
• Kq2
• Led driver
• Main body ecu (in instrument panel j/b)
• Meter fuse 7.5a
• Prg
• Qb (left side of trunk)
• R in
• R ot
• Rda
• Rear tire pressure monitor initiator (behind left rear wheel well liner)
• Red
• Rr+
• Rr-
• Sil
• Telltales
• Tire pressure monitoring initiator driver (right end of dash)
• Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly) (left "c" pillar)
• Tire pressure warning reset switch (pressure warning switch 1)

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Lexus IS 250 2014

List of elements for Front Wiper/Washer Wiring Diagram for Lexus IS 250 2014:

• (left kick panel) ka
• (left rear of engine compt) ac
• (left side of dash) driving support ecu
• 5v ic
• 5v+b
• A33
• A53
• Ac (left rear of engine compt)
• Auto wiper switch
• B32
• Ca2h
• Ca2l
• Can i/f
• Canh
• Canl
• Comb sw fuse 5a
• Combination meter assembly
• Computer data lines system
• Cpu
• Cr1
• Css+
• Css-
• Display driver
• Down
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Exterior lights system
• Frwa
• Gnd
• Gnd1
• Gnd2
• Headlight leveling ecu (left kick panel)
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig1 main relay energized
• Hot w/ ig2 relay energized
• I/f
• Ig+
• Ig1 3 fuse 10a
• Ig2
• Instrument panel j/b (left end of dash)
• Int relay
• Interior lights system
• J/c 1 (left side of engine compt)
• J/c 10 (middle of left "a" pillar)
• J/c 3 (right end of dash)
• J/c a73
• K24
• K25
• K29
• K30
• Ka1
• Kc (right kick panel)
• Kd (center of dash)
• Ks1
• Ks2
• Led driver
• Level warning switch assembly (in washer reservoir)
• Lin
• Main body ecu canh
• Map light assembly (w/ auto wiper system)
• Meter fuse 7.5a
• Mk1
• Mpx
• Mpx- b 1 fuse 10a
• Mpx1
• Normal
• Off
• P1 (-/slow)
• P4 (+/fast)
• Pnk
• Rain sensor (w/ auto wiper system) (front center of roof at windshield)
• Red
• Rly1
• Rly2
• Sig
• Ss1+
• Ss1-
• Steering sensor (on steering column)
• Tail
• Telltales
• Tl1
• Tl2
• Tr1
• Tr2
• Trnl
• Trnr
• Volume switch int switch
• W/ auto wiper system
• W/ auto wiper system & vgrs system
• W/ auto wiper system & w/o vgrs system
• Washer fuse 20a
• Washer switch
• Windshield washer motor & pump assembly (in washer reservoir)
• Windshield wiper motor (left rear of engine compt)
• Windshield wiper switch assembly
• Wip2
• Wiper fuse 25a
• Wiper relay
• Wiper sw-ig fuse 5a
• Wiper switch
• Wiper- s fuse 5a
• Wlvl

Headlamp Washer Wiring Diagram for Lexus IS 250 2014

List of elements for Headlamp Washer Wiring Diagram for Lexus IS 250 2014:

• (left kick panel) ka
• Ac (left rear of engine compt)
• Auto
• Becu
• C21
• Canada
• Canh
• Canl
• Computer data lines system
• Drl off
• Ecu-b fuse 10a
• Ecu-ig1 1 fuse 10a
• Ecu-ig1 2 fuse 10a
• Engine room r/b 2 (left side of engine compt)
• Frwa
• Gnd1
• H-lp cln fuse 30a
• Head
• Headlight cleaner control relay (below left headlight)
• Headlight cleaner motor & pump assembly
• Headlight dimmer switch assembly
• Headlight leveling ecu (left kick panel)
• Headlights system
• Hlc
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig1 main relay energized
• Instrument panel j/b (left end of dash)
• J/c a73
• K25
• Ka (left kick panel)
• Ka1
• Kc (right kick panel)
• Lh+
• Lh-
• Lht
• Light control switch
• Main body ecu
• Off
• Red
• Rh+
• Rh-
• Rht
• Sbr
• Sgr
• Shrl
• Tail
• Usa
• Washer fuse 20a
• Washer switch
• Windshield washer motor & pump assembly (in washer reservoir)
• Windshield wiper switch assembly