All Wiring Diagrams for Lexus GS 450h 2014 model – Diagramas de fiação para carros

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Lexus GS 450h 2014

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus GS 450h 2014:

(front right side
(right "c" pillar) j/c t44
+b1
A/c amplifier (center of dash)
A/c fuse 7.5a
A/c pressure sensor (liquid tube sub-assembly) (left front of engine compt)
A/c switch
A41
A44
A60
A61
Accessory meter assembly (w/ navigation) multi-display (w/o navigation)
Ambient temperature sensor (thermistor assembly) (behind left side of front fascia)
Automatic light control sensor (upper right side of dash)
B2 (left front of engine compt)
Ba2
Blw
Canh
Canl
Canl canh tx3+ tx3- n68
Cltb
Clte
Combination switch assembly
Computer data lines system
D30
Defogger system
Dgs
Dgs1
E21
E22
Eco mode switch
Ecos
Engine room j/b 1 (left side of engine compt)
Fdef
Gnd
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Hot w/ rr-ig1 1 relay energized
Idh
Ig+
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Lin1
Lout
Luggage room j/b 1 (left side of luggage compt)
Main body ecu (left end of dash)
Multi-media module receiver assembly
N12
N152
N6 (left center of dash)
N78
N80
Na1
Nain
Nano
No1
Nt2
Of luggage compt)
Pnk
Pre
Ptc1
Ptc2
Rdef
Rear control switch
Rear side a/c switch
Red
Rh ecu-ig fuse 10a
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Rlin
Room temperature sensor (cooler thermistor) (lower left center of dash)
Rout
Rr ecu-ig fuse 10a
S5-1
S5-3
Seats system
Sg-1
Shd+
Shde
Shp+
Shpe
Smog ventilation sensor (right front of engine compt)
Solar sensor
Tam
Tfal
Tfar
Tn1
Tsd
Tsl
Tsp
Tsr
Tu1
Tx+
Tx-
Tx1+ tx1- tx- tx+ n62
Te1
W/ ion generator 1 sub-assembly
W/ navigation
W/ ptc heater
W/o navigation
Ez1

Automatic A/C Wiring Diagram (2 of 3) for Lexus GS 450h 2014

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus GS 450h 2014:

(behind radiator) cooling fan motor
(behind radiator) cooling fan motor 2
(under lower right side of dash) blower motor w/ fan sub-assembly
+b1
A/c amplifier (center of dash)
A/c w/p fuse 7.5a
A20
A39
A5 (right end of dash)
Acpb
Acpe
B2 (left front of engine compt)
Ba1
Ba2
Canh
Canl
Computer data lines system
Cooling fan ecu (on cooling fan motor)
Dgs
Dgs1
E.f.i engine coolant temperature sensor (top right rear of engine)
E18
Ecm (engine control module) (left side of engine compt)
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Ethw
Fan 1 fuse 80a
Fan 1 relay
Gnd
Hot at all times
Htr fuse 50a
Humidity sensor (a/c thermistor assembly) (in overhead console)
Idh
Ig+
Inverter w/ converter (right rear corner of engine compt)
Ion generator 1 (if equipped) (center of dash)
N7 (base of right kick panel)
N80
Na1
Na4
Ny2
Pcl
Ptc 1 fuse 50a
Ptc 1 relay (if equipped)
Ptc 2 fuse 50a
Ptc 2 relay (if equipped)
Red
Rfc
S5v
Seats system
Seg3
Sg-2
Sg-3
Sg-4
Sg-5
Tfg
Thw
Tng

Automatic A/C Wiring Diagram (3 of 3) for Lexus GS 450h 2014

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus GS 450h 2014:

(center of dash) a/c amplifier
(driver side lower air mix) damper servo motor
(left rear of engine compt) a1
(left side of engine compt) j/c a53
(lower center of dash) (w/ ptc heater) quick heater assembly
(rear side air vent mode) damper servo motor
(right end of dash) power management control ecu
(right front of engine compt) engine water pump
(right rear of engine compt) a4
(w/ 3-zone a/c) damper servo motor (front passenger side air vent mode)
A/c evaporator temperature sensor
A/c harness assembly
A/c w/p relay
A1 (left rear of engine compt)
A35
A36
Af1
Af2
B bus
Bus
Bus g
Ca1h
Ca1l
Clk
Compressor motor (left front of engine)
Computer data lines system
Connector housing color (black)
Connector housing color (brown)
Connector housing color (gray)
Connector housing color (green)
Connector housing color (natural)
Connector housing color (red)
Damper servo motor (air inlet)
Damper servo motor (def)
Damper servo motor (driver side air vent mode)
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)
Damper servo motor (rear side air mix) (w/ 3-zone a/c)
Din
Dout
E12
E13
E17
E18
Engine room j/b 1 (left side of engine compt)
Eti
F16
Gnd
Hot w/ lh-ig1 1 relay energized
Ig1
Ite
J/c a53 (left side of engine compt)
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
N5 (right center of dash)
N76
N77
N92
Na5
Pnk
Red
Sga
Stb
Stbi
Tea

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

(left rear of engine compt) a1
+bi1
+bi3
A14
A15
A40
A6 (left end of dash)
Abs motor 1 relay
Abs motor 2 relay
Au1
Ao1
Brake fluid level warning switch (brake master gnd
Brake pedal stroke sensor (top of brake pedal assembly)
Bs01
Buzzer
C44
Ca2h
Ca2l
Cbi1
Computer data lines system
Csw
Cty
Cylinder reservoir assembly) (brake fluid reservoir)
D13
D19
D20
E18
Ecu-ig
Ena
Engine room j/b 1 (left side of engine compt)
Engine room r/b 3 (left rear of engine compt)
Fr+
Fr-
Fra+
Fra-
Frr+
Frr-
Fuse 10a
Gnd
Hall ic 1
Hall ic 2
Hot w/ lh-ig1 1 relay energized
Ig1
Integration control & panel assembly
J/c a53 (left side of engine compt)
Lbl
Left cowl side j/b (left end of dash)
Left front door courtesy light switch (left front "b" pillar)
Left rear speed sensor (left rear wheel assembly)
Mr1
Mtt
N1 (base of left kick panel)
Na1
Nca
Pac1
Pck1
Pfr
Pmc1
Pnk
Prl
R1-
Red
Right front speed sensor (right front wheel assembly)
Rl+
Rl-
Rla+
Rla-
Rlr+
Rlr-
Sg1
Sg3
Skg
Skid control buzzer (left end of dash)
Skid control ecu (left rear of engine compt)
Sks
Sks1
Sks2
Smc1
Sp1
Stp2
Vbz
Vcm
Vcs off switch
Vcsk

Anti-lock Brakes Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

(left rear of engine compt) a2
5v ic
5v+b
A11
A22
Abs 1 fuse 30a
Abs 2 fuse 30a
Abs main 1 fuse 10a
Abs main 2 fuse 10a
Abs main 3 fuse 10a
Acc
Alt
B10
Batt
Can h
Can i/f
Can l
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
E10
E11
E20
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Gnd
Gnda
Gndb
Hot at all times
Hot w/ ig2 relay energized
I/f
Ic1
Ig+
Ig1a
Integration relay
J/c a51 (upper left end of dash)
Led driver
N40
N6 (left center of dash)
Na1
Na2
P/i b fuse 50a
P/i dc/dc fuse 100a
Pnk
Red
Speaker
Stop
Stop light switch (brake pedal bracket)
Stp2
Stpo
Telltales
Yaw rate sensor (under center floor console)

Anti-lock Brakes Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for Anti-lock Brakes Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

(left side of engine compt) j/c a53
(on steering column) steering sensor
A1 (left rear of engine compt)
A2 (left rear of engine compt)
B12
B18
Bat
Bm1
Bm2
Brake actuator (left rear corner of engine compt)
Bs1
Bs2
Canh
Canl
Computer data lines system
D12
D17
D30
Ess
Fla+
Fla-
Flr+
Flr-
Fra+
Fra-
Frr+
Frr-
Gnd1
Gnd2
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Ig1
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Mtt
N1 (base of left kick panel)
N3 (under center console)
Pac1
Pck1
Pck2
Pfl
Pfr
Pmc1
Pmc2
Pnk
Prl
Prr
Red
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Rla+
Rla-
Rlr+
Rlr-
Rra+
Rra-
Rrr+
Rrr-
Smc1
Smc2
Ss1+
Ss1-
Stop fuse 7.5a
Vcm
Vcm2

Anti-lock Brakes Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for Anti-lock Brakes Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

(left rear of engine compt) a1
(upper left end of dash) j/c a51
+bc
+bi2
+bi4
A16
A2 (left rear of engine compt)
A41
At1
Au1
Bs02
C35
Ca1h
Ca1l
Canh
Canl
Capacitor (hv) fuse 10a
Cbi2
Computer data lines system
Css+
Css-
D25
D32
Ena
Engine room r/b 1 (left side of engine compt)
Fail
Fl+
Fl-
Fla+
Fla-
Flr+
Flr-
Gnd
Gnd4
Hold switch
Hot at all times
Hot w/ ig2 relay energized
Hzri
Ig1
Ig2
Interior lights system
J/c u52 & u53 (left "c" pillar)
Left cowl side j/b (left end of dash)
Left front speed sensor (left front wheel assembly)
Lh ig2 fuse 10a
Mpx-b fuse 10a
Mr2
N35
N6 (left center of dash)
Na1
Nca
Night view
Night view ecu (right side of luggage compt)
Nvsw
Out1
Out2
Pck2
Pfl
Pmc2
Pnk
Prr
R2-
Red
Right rear speed sensor (right rear wheel assembly)
Rr+
Rr-
Rra+
Rra-
Rrr+
Rrr-
Satellite set switch
Sg2
Skid control ecu (left rear of engine compt)
Smc2
Stp
Stpo
T34
Tn1
U52
U53
Ux2
Vcm2
Windshield wiper switch assembly
Oa2

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (1 of 8) for Lexus GS 450h 2014:

A1 (left rear of engine compt)
A11
A13
A27
A28
A33
A46
Act+
Act-
Actd
Actg
All door lock relay
Altb
Bzr
C10
C12
C17
C30
C40
C44
Cann
Canp
Computer data lines system
D door unlock relay
D/l 1 fuse 25a
D/l 2 fuse 25a
D10
D11
D27
D28
Domr
Exterior lights system
Flcy
Frcy
Gnd1
Gnd2
Hcty
Headlights system
Horn
Horns system
Hot at all times
Hot w/ ig2 relay energized
Hrly
Ile
Interior lights system
J/c a53 (left side of engine compt)
L/d door unlock relay
Lcty
Left cowl side j/b (left end of dash)
Left rear door courtesy light switch assembly (left rear "c" pillar)
Lgcy
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lsfl
Lsfr
Lswl
Lswr
Luggage door opening cancel switch switch assembly
Luggage door opening switch assembly
Main body ecu (left end of dash)
N1 (base of left kick panel)
N11
N12
N13
N3 (under center console)
N7 (base of right kick panel)
Nt1
Nu1
Pnk
Power change relay
Prg
Qu1
Rcty
Rda
Red
Right rear door courtesy light switch assembly (right rear "c" pillar)
Sscl
Tkul
Tmsw
Tr+
Trly
Tsw
Wireless door lock buzzer (left rear corner of engine compt)

Forced Entry Wiring Diagram (2 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (2 of 8) for Lexus GS 450h 2014:

A18
A33
A34
A61
At1
B2 (left front of engine compt)
Ba2
C18
C46
D18
D32
Ecu-b fuse 7.5a
Engine hood courtesy switch (front center of engine compt)
Engine room r/b 1 (left side of engine compt)
Hot at all times
Left cowl side j/b (left end of dash)
Left front door courtesy light switch assembly (left front "b" pillar)
Left rear door lock assembly (rear of left rear door)
Luggage compartment door lock assembly (w/o power trunk opener & closer) (center rear of luggage compt lid)
Luggage room j/b 1 (left side of luggage compt)
Mpx-b fuse 10a
N7 (base of right kick panel)
Na1
Nt1
Nu1
Pnk
Red
Right cowl side j/b (right end of dash)
Right front door courtesy light switch assembly (right front "b" pillar)
Ru1
T4 (front right side of luggage compt)
Trk opn fuse 7.5a
Trk opn relay (w/o power trunk opener & closer)
Tu1
U1 (under driver's seat)
Unlock detection
At1

Forced Entry Wiring Diagram (3 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (3 of 8) for Lexus GS 450h 2014:

(in left front door) left front multiplex network door ecu
12v
Abe
Bcut
Bdr
C12
C39
C40
Cann
Canp
Computer data lines system
Cont
Cpbj
Cpub
Detection unlock
Door lock & unlock switch
Door unlock switch sub assembly
Fr door fuse 30a
Gnd
Hot at all times
Hot w/ rh ig1 1 relay energized
J/c t44 & t45 (right "c" pillar)
Key lock
Kul
Left front door lock assembly (rear of left front door)
Lin2
Lswe
Multiplex network master switch assembly
Nt1
Nu1
Osce
Pnk
Q18
Q19
Q2 (left front door)
Qu1
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Sgnd
Sig
T4 (front right side of luggage compt)
T44
T45
Theft warning siren assembly (w/o security horn) (right side of luggage compt)
Tn1
U1 (under driver's seat)
Unlock key
At1

Forced Entry Wiring Diagram (4 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (4 of 8) for Lexus GS 450h 2014:

(in right front door) right front multiplex network door ecu
A1 (left rear of engine compt)
A13
A14
A64
Abe
Bdr
C10
C11
C23
Cann
Canp
Computer data lines system
Cpub
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
Igct 1 fuse 30a
Igct 5 fuse 7.5a
Igct relay
Lswe
Na2
Nt1
Osce
Pnk
Q1 (right front door)
Qt1
Red
Right cowl side j/b (right end of dash)
Right front door lock assembly (rear of right front door)
Right rear door lock assembly (rear of right rear door)
Rt1
Sig
T1 (under front passenger seat)
Unlock detection

Forced Entry Wiring Diagram (5 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (5 of 8) for Lexus GS 450h 2014:

(right end of dash) power management control ecu
(transmission) shift lever position sensor
5v ic
A14
A35
A36
Af1
Ca1h
Ca1l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Display drive
E12
Gnd
I/f
Ig+
Ig2
Ige
J/c n125 (left side of dash)
J/c n126 (left center of dash)
Led driver
Lin
Lin2
Mrel
N3 (under center console)
N40
N6 (left center of dash)
N91
N92
Na1
Pnk
Red
Right cowl side j/b (right end of dash)
Skid control ecu assembly (left rear of engine compt)
Slp
Slp1
Slr+
Sp1
Spdi
Speakers
Ssw1
Ssw2
Steering lock actuator assembly (on steering column)
Stp
Telltales

Forced Entry Wiring Diagram (6 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (6 of 8) for Lexus GS 450h 2014:

(brake pedal bracket) stop light switch assembly
(upper left end of dash) j/c a51
A22
A63
Agnd
Antenna coil
B20
B21
C25
Cann
Canp
Code
Computer data lines system
D12
D15
D21
D26
Fl door fuse 30a
Gnd
Haf
Hot at all times
Hot w/ ig2 relay energized
J/c a11 (center rear of luggage compt lid)
J/c n128 (right side of dash)
Left cowl side j/b (left end of dash)
Lh-ig2 fuse 10a
Luggage closer motor assembly (w/ power trunk opener & closer) (left front of luggage compt)
Luggage compartment door lock assembly (w/ power trunk opener & closer) (center rear of luggage compt lid)
P/w-b fuse 5a
Pawl
Pnk
Power switch
Qu1
Red
Right cowl side j/b (right end of dash)
Ss1
Ss2
Stop fuse 7.5a
Strg lock fuse 15a
Swg
Swil
Txct
Ut1
Vc5
At1

Forced Entry Wiring Diagram (7 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (7 of 8) for Lexus GS 450h 2014:

A15
A38
Ant1
Ant2
Ante7
Ante8
Antenna
Antenna amplifier assembly (right "c" pillar)
Asel
At1
Clgb
Csel
Data
Electrical key antenna indoor assembly 3 (center front of luggage compt)
Gnd
Hot at all times
J/b u52 (left "c" pillar)
J/c t44 (right "c" pillar)
Left front door outside handle assembly
Luggage room j/b 1 (left side of luggage compt)
Nca
Nt1
Nu2
Pnk
Prg
Qu1
Rda
Rear electrical key antenna (behind center of rear bumper)
Red
Rr j/b-b fuse 10a
Security fuse 7.5a
Security horn assembly (right side of engine compt)
Security horn relay (if equipped)
Sens
T2 (right "c" pillar)
T32
T51
Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly) (right side of luggage compt)
Trg+
Tu1
U3 (left "c" pillar)

Forced Entry Wiring Diagram (8 of 8) for Lexus GS 450h 2014

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List of elements for Forced Entry Wiring Diagram (8 of 8) for Lexus GS 450h 2014:

(base of right kick panel) n7
(rear of center floor console) electrical key antenna indoor assembly 1
Agnd
Ant1
Ant2
Ante5
Ante6
Asel
Canh
Canl
Certification ecu (right end of dash)
Cg1b
Cg2b
Cg3b
Cg4b
Cg5b
Cg6b
Cg7b
Cg8b
Clg1
Clg2
Clg3
Clg4
Clg5
Clg6
Clg7
Clg8
Clgb
Code
Computer data lines system
Csel
Cutb
Electrical key antenna indoor assembly 2 (under middle of rear seat)
Gnd
Ind
Left rear door outside handle assembly
Lin
Luggage electrical key switch
Multi-media module receiver assembly
N68
N94
N95
N98
Nt1
Nu1
Pnk
Pos1
Pos2
Pos3
Pos4
Qt1
Rco
Rdam
Red
Right front door outside handle assembly
Right rear door outside handle assembly
Rt1
Ru1
Security indicator
Sen1
Sen2
Sen3
Sen4
Sens
Seuc
Swil
T1 (under front passenger seat)
T4 (front right side of luggage compt)
Trg+
Tsw1
Tsw2
Tsw3
Tsw4
Tsw5
Txct
U1 (under driver's seat)
Vc5
At1

Immobilizer Wiring Diagram for Lexus GS 450h 2014

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List of elements for Immobilizer Wiring Diagram for Lexus GS 450h 2014:

Ca1h
Ca1l
Canh
Canl
Certification ecu (right end of dash)
Computer data lines system
Ecu-b fuse 7.5a
Efii
Efio
Engine room r/b 1 (left side of engine compt)
Gnd
Hot at all times
Id code box (center of dash)
Imi
Imo
J/c n128 (right side of dash)
Lin
Lin1
Lin2
N7 (base of right kick panel)
N92
N94
N95
Na1
Pnk
Power management control ecu (right end of dash)
Steering lock actuator assembly (on steering column)

BODY CONTROL MODULES

Body ECU Wiring Diagram (1 of 3) for Lexus GS 450h 2014

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List of elements for Body ECU Wiring Diagram (1 of 3) for Lexus GS 450h 2014:

(base of left kick panel)
(left end of dash)
(left front of luggage compt)
(under center console) n3
10-way seat position memory
18-way seat position memory
A18
A27
A28
A33
A44
A46
A50
A56
A59
A60
A64
Acan
Acc
Act+
Act-
Actd
Actg
Altb
B15
B19
Becu
Bzr
C17
C28
C29
C30
C44
C46
Cann
Canp
D10
D11
D21
D22
D23
D27
D28
D32
Dim
Domr
Door locks & anti-theft systems
Door locks & anti-theft systems door locks, anti-theft & trunk, tailgate, fuel doors systems
Door locks system
Door locks, anti-theft & interior lights systems
Drl
Engine room r/b 1 (left side of engine compt)
Ffgo
Flcy
Fllk
Frcy
Gnd1
Gnd2
Gsw
Hcty
Headlights system power tops system door locks & anti-theft systems
Horn
Horns system
Hot at all times
Hot w/ lh ig1 1 relay energized
Hrly
Ile
Integration control & panel circuit
Interior lights system
J/c n130 (left end of dash)
J/c u54 (left rear of luggage compt)
Lcty
Lcyl
Left cowl side j/b
Left front multiplex network door ecu (in left front door)
Left position control ecu assembly (18-way seat position memory) left front power seat switch assembly (10-way seat position memory) (under driver's seat)
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lin2
Lswl
Lswr
Luggage closer motor (w/ power trunk opener & closer)
Main body ecu (left end of dash)
Mpx-b fuse 10a
Multiplex tilt & telescopic ecu (on steering column)
N11
N13
Navigation system
Nu1
Nu2
Panl
Pnk
Power distribution system
Power windows & memory systems
Power windows system
Q19
Qu1
Rcyl
Red
Sscl
Tcyl
Tmsw
Tr+
Trly
Trunk, tailgate, fuel doors system
Trunk, tailgate, fuel doors systems
Tsw
Ud1
Wiper/washer system
D16

Body ECU Wiring Diagram (2 of 3) for Lexus GS 450h 2014

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List of elements for Body ECU Wiring Diagram (2 of 3) for Lexus GS 450h 2014:

A/c amplifier (center of dash)
A16
A29
Air bag sensor assembly
Ca1h
Ca1l
Can1h
Can1l
Canh
Canl
Certification ecu (right end of dash)
Combination meter assembly
Data link connector 3 (under left side of dash)
J/c n107, n108, n109, n110, n111, n112, n113 & n114 (left end of dash)
J/c n115, n116, n117, n118, n119, n120, n121 & n122 (right side of dash)
N107
N108
N109
N110
N111
N112
N113
N114
N115
N116
N117
N118
N120
N121
N122
N40
N52
N80
N92
N95
Na3
Na4
Network gateway ecu (right center of dash)
Pnk
Power management control ecu (right end of dash)
Power steering ecu (right rear corner of engine compt)
Red
Skid control ecu assembly (left rear of engine compt)
Steering sensor (on steering column)
Yaw rate sensor (under center floor console)

Body ECU Wiring Diagram (3 of 3) for Lexus GS 450h 2014

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List of elements for Body ECU Wiring Diagram (3 of 3) for Lexus GS 450h 2014:

(right end of dash) j/c n133
A20
Au1
Ca2h
Ca2l
Canh
Canl
Cann
Canp
Cltb
Clte
Clts
Door locks & anti-theft system trunk, tailgate, fuel doors systems
Door locks & anti-theft systems
Door locks, anti-theft & interior lights systems
Ecm (engine control module) (left side of engine compt)
Ffog
Fspt
Head
Headlights & exterior lights systems
Headlights system
Integration control & panel circuit
Interior lights system
J/c u48, u49, u50 & u51 (left kick panel)
Junction terminal n135 (right kick panel)
Koff
Lgcy
Llew
Lsfl
Lsfr
Main body ecu (left end of dash)
Multi-media module receiver assembly
N12
N13
N68
N7 (base of right kick panel)
Navigation system
Nt1
Nu1
Nu2
Parking brake ecu (left side of luggage compt)
Pnk
Power windows system warning, door locks & anti-theft systems
Prg
Qt1
Rcty
Rda
Red
Rev
Right front multiplex network door ecu (in right front door)
Right position control ecu (under front passenger's seat)
Rlen
Sftp
Tail
Tkul
Tc2
U37
U48
U49
U50
U51
Warning, door locks & anti-theft systems headlights system

Integration Control and Panel Wiring Diagram for Lexus GS 450h 2014

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List of elements for Integration Control and Panel Wiring Diagram for Lexus GS 450h 2014:

(left side of engine compt)
A10
A11
A12
A13
A14
A15
A16
A17
A22
A26
Acc
Alt
Anti-lock brakes system
Anti-lock brakes system navigation system
B10
Batt
D11
D21
D22
D23
D30
Def
Defogger system
Dim
Drl
Drll
Drlr
E20
End of dash)
Engine room j/b 1
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Exterior lights system
Ffg
Ffgl
Ffgo
Ffgr
Gnda
Gndb
Headlights system
Hlhl
Hlhr
Hlhs
Hot at all times
Hot w/ lh ig1 1 relay energized
Ig1a
Ill+
Ill-
Integration control & panel assembly
Integration relay
Interior lights system
Koff
Left cowl side j/b (left
Left cowl side j/b (left end of dash)
Lh ecu ig fuse 10a
Lh-ig fuse 10a
Main body ecu
N1 (base of left kick panel)
N11
N12
Na1
P/i dc/dc fuse 100a
P/i-b 1 fuse 50a
Panl
Pnk
Pnl
Pnls
Power windows system
Rdef
Red
Rssh
Seats system
Shad
Stop
Stp2
Stpo
Tail
Tlp
Trly
Wiper/washer system

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus GS 450h 2014

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List of elements for Data Link Connector Wiring Diagram for Lexus GS 450h 2014:

(base of left kick panel) n1
A20
A23
A29
A38
A47
A50
Bat
Canh
Canl
D18
Data link connector 3 (under left side of dash)
Dcm (telematics transceiver) (right end of dash)
Dia
Ecm (left side of engine compt)
F2 (right rear of engine)
F66
Headlight swivel ecu (behind left kick panel)
High/low bus circuit
Hot at all times
Init
J/c a50 & f66 (left side of engine compt)
J/c n123 (left side of dash)
J/c n128 (right side of dash)
J/c c34 (under front passenger's seat)
Left cowl side j/b (left end of dash)
Lvl
N87
N92
Na1
Na3
Na4
Nt2
Obd fuse 7.5a
Op4
Power management control ecu (right end of dash)
Power steering ecu (right rear of engine compt)
Prst
Red
Right cowl side j/b (right end of dash)
Right front seat inner belt (under front passenger's seat)
Sil
T1 (under front passenger's seat)
Tac
Tach
Tc2
Vehicle approaching speaker controller (right side of luggage compt)
W/ power seat memory
C1 (under front passenger's seat)

High/Low Bus Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for High/Low Bus Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

(base of right kick panel) n7
(right kick panel) j/c n134
A/c amplifier (center of dash)
A11
A29
Air bag sensor assembly (under rear of center floor console)
B16
B19
Batt
Ca1h
Ca1l
Ca2h
Ca2l
Ca3n
Ca3p
Canh
Canl
Certification ecu (right end of dash)
Combination meter assembly
Data link connector 3 (under left side of dash)
Engine room r/b 1 (left side of engine compt)
Gnd
Hot at all times
Hot w/ ig2 relay energized
Hot w/ rh-ig1 1 relay energized
Ig1
Ig2
Ig2 1 fuse 5a
J/c n107, n108, n109, n110, n111, n112, n113 & n114 (left end of dash)
J/c n115, n116, n117, n118, n120, n121 & n122 (right side of dash)
Mpx-b fuse 10a
N107
N108
N109
N110
N111
N112
N113
N114
N115
N116
N117
N118
N120
N121
N122
N40
N52
N80
N91
N92
N95
Na1
Na4
Network gateway ecu (right center of dash)
Pnk
Power management control ecu (right end of dash)
Power steering ecu (right rear of engine compt)
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Steering sensor (on steering column)
Yaw rate sensor (under center floor console)

High/Low Bus Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for High/Low Bus Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

(right end of dash) j/c n133
10-way seat position
18-way seat position
A14
A16
Absorber control ecu (right kick panel)
Ca1h
Ca1l
Ca1n
Ca1p
Ca2h
Ca2l
Canh
Canl
Cann
Canp
Clearance warning ecu (left end of dash)
Driving support ecu (left end of dash)
Headlight swivel ecu (behind left kick panel)
J/c n130 (left end of dash)
J/c n132 (behind instrument cluster)
Junction terminal n135 (right kick panel)
Left front multiplex network door ecu (in left front door)
Left position control ecu (18-way seat position) left front power seat switch assembly (10-way seat position) (18-way seat position: under driver's seat)
Multiplex tilt & telescopic ecu (on steering column)
N105
N7 (base of right kick panel)
Na1
Na2
Na3
Na4
Nt1
Nu2
Pnk
Q19
Qt1
Qu1
Red
Right front multiplex network door ecu (in right front door)
Right position control ecu (under front passenger's seat)
Skid control ecu (left rear of engine compt)
Tc2
Ud1
D16

High/Low Bus Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for High/Low Bus Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

(left "c" pillar) j/c u54
(left side of luggage compt) seat belt control ecu
A20
Accessory meter assembly (w/ navigation) multi-display (w/o navigation)
Au1
Ca2h
Ca2l
Canh
Canl
Cann
Canp
Ecm (left side of engine compt)
Headup display (combination meter mirror ecu)
J/c u48, u49, u50 & u51 (left kick panel)
J/c u52 (left "c" pillar)
Junction terminal u56 (left side of luggage compt)
Luggage closer motor (left front of luggage compt)
Main body ecu (left end of dash)
Mpx1
Mpx2
Multi-media module receiver assembly
N12
N13
N152
N62
N68
Na1
Np1
Nu1
Nu2
Parking brake ecu (left side of luggage compt)
Pnk
Rear control switch
Red
Tn1
Tx+
Tx-
Tx2+
Tx2-
Tx3+
Tx3-
Te1
U2 (left "c" pillar)
U35
U37
U48
U49
U50
U51
W/ navigation
W/o navigation
Ez1

High/Low Bus Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for High/Low Bus Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

(right side of luggage compt) j/c t46
Ba2
Ca1n
Ca1p
Ca2n
Ca2p
Canh
Canl
Driver monitor ecu (left end of dash)
J/c n131 (left end of dash)
J/c t44 (right "c" pillar)
Junction terminal t47 (right "c" pillar)
Junction terminal t48 (right "c" pillar)
Lane recognition camera sensor (top center of windshield)
Left blind spot monitor sensor (behind left end of rear bumper)
Millimeter wave radar sensor (center of front fascia)
Na1
Night view ecu (right side of luggage compt)
Nt1
Ny1
Red
Right blind spot monitor sensor (behind right end of rear bumper)
T2 (right "c" pillar)
T34
Ut1

COOLING FAN

Battery Cooling Fan Wiring Diagram for Lexus GS 450h 2014

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List of elements for Battery Cooling Fan Wiring Diagram for Lexus GS 450h 2014:

A14
A35
Au1
B13
Batt fan (hv) fuse 20a
Batt fan relay (hv)
Fctl
Fp0
Fp1
Gnd0
Gnd1
Hot at all times
Ig0
Ig1
J/c t44 (right "c" pillar)
J/c u52 & u53 (left "c" pillar)
Left battery cooling blower assembly (left side of hv battery assembly)
Luggage room j/b 1 (left side of luggage compt)
N91
Nt1
Nu1
Pnk
Power management control ecu (right end of dash)
Red
Right battery cooling blower assembly (right side of hv battery assembly)
Si0
Si1
T4 (front right side of luggage compt)
Tu1
Tm1
U3 (left "c" pillar)
U52
U53
Ut1
Ux2

Cooling Fan Wiring Diagram for Lexus GS 450h 2014

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List of elements for Cooling Fan Wiring Diagram for Lexus GS 450h 2014:

(left rear of engine compt) a1
+b1
A20
B2 (left front of engine compt)
Ba1
Ba2
Canh
Canl
Computer data lines system
Cooling fan ecu (on cooling fan motor)
Cooling fan motor (behind radiator)
Cooling fan motor 2 (behind radiator)
E.f.i engine coolant temperature sensor (top right rear of engine)
E18
Ecm (engine control module) (left side of engine compt)
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Ethw
Fan 1 fuse 80a
Fan 1 relay
Hot at all times
Hot w/ lh-ig1 1 relay energized
J/c a53 (left side of engine compt)
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
M+ z8
M+ z9
Red
Rfc
Thw

CRUISE CONTROL

Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus GS 450h 2014

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List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus GS 450h 2014:

A1 (left rear of engine compt)
A50
Au1
B11
Ba2
Ca1n
Ca1p
Ca2h
Ca2l
Cchg
Ccs
Computer data lines system
D17
D26
Driving support ecu assembly (left end of dash)
E10
E11
Efi main fuse 25a
Efi main relay 1
Efi main relay 2
Engine room j/b 1 (left side of engine compt)
F/pmp fuse 25a
F12
F2 (right rear of engine)
Fuel pump control ecu (left side of luggage compt)
Gnd
Hitp
Hot at all times
Hot w/ ig2 relay energized
Hot w/ rr-ig1 1 relay energized
Igb
J/c a50 & f66 (left side of engine compt) f66
J/c a53 (left side of engine compt)
J/c n123 (left side of dash)
Left cowl side j/b (left end of dash)
Lh-ecu ig fuse 10a
Lh-ig2 fuse 10a
Luggage room j/b 1 (left side of luggage compt)
Millimeter wave radar sensor (center of front fascia)
N1 (base of left kick panel)
N3 (under center console)
N6 (left center of dash)
Navigation system
Nn1
Pbsw
Pnk
Pre-collision system cancel switch
Red
Rr-ig1 fuse 5a
Sgnd
Spsw
St1-
Stp-
Wash
Wip2
Wiper/ washer system
Wnkl
Wnkr

Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus GS 450h 2014

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List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus GS 450h 2014:

+b1
+b2
+res
-set
A18
A20
A22
A23
A35
A36
Accelerator pedal sensor (top of accelerator pedal assembly)
Batt
Ca1h
Ca1l
Cancel
Cann
Canp
Computer data lines system
Cruise control main switch
Cruise control switch
D12
D15
D22
Distance control
E01
Ecm (engine control module) (left side of engine compt)
Ep1
Ep2
Eta
F3 (right side of engine)
Ge01
Gnd
Hot at all times
Ic1
Ic2
J/c a51 (upper left end of dash)
J/c n123 (left side of dash)
Left cowl side j/b (left end of dash)
Mode
Mrel
N31
N6 (left center of dash)
N91
N92
Nca
On-off
Pnk
Power management control ecu (right end of dash)
Psft
Red
Right cowl side j/b (right end of dash)
Right steering pad switch
Spiral cable sub-assembly (in steering column)
St1-
Steering pad switch assembly
Stop fuse 7.5a
Stop light switch (brake pedal bracket)
Stp
Throttle body w/ motor assembly (top rear of engine)
Vcp1
Vcp2
Vcta
Vpa1
Vpa2
Vta
Vta1
Vta2

Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus GS 450h 2014

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List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus GS 450h 2014:

(right rear wheel assembly) right rear speed sensor
(transmission) shift lever position sensor
5v ic
A1 (left rear of engine compt)
A14
A16
Af1
At1
Au1
Ca1h
Ca1l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Engine room r/b 1 (left side of engine compt)
Fl+
Fl-
Fr+
Fr-
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
Ig+
Igct 1 fuse 30a
Igct 5 fuse 7.5a
Igct relay
J/c a51 (upper left end of dash)
Left front speed sensor (left front wheel assembly)
Left rear speed sensor (left rear wheel assembly)
N40
N6 (left center of dash)
Na2
Nca
Pnk
Red
Right front speed sensor (right front wheel assembly)
Rl+
Rl-
Rr+
Rr-
Skid control ecu (left rear of engine compt)
Oa1
Oa2

Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 2) for Lexus GS 450h 2014

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List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 2) for Lexus GS 450h 2014:

+b1
+b2
+res
-set
A1 (left rear of engine compt)
A20
A22
A35
A36
A45
Acc fuse 7.5a
Accelerator pedal sensor assembly (top of accelerator pedal assembly)
Af1
Au1
Batt
Ca1h
Ca1l
Cancel
Cann
Canp
Ccs
Computer data lines system
Cruise control main switch
Cruise control switch
D12
D15
D22
E01
Ecm (engine control module) (left side of engine compt)
Efi main fuse 25a
Efi main relay 1
Efi main relay 2
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Ep1
Ep2
Eta
F/pmp fuse 25a
F10
F12
F3 (right side of engine)
Fuel pump control ecu (left side of luggage compt)
Ge01
Hot at all times
Ic1
Ic2
Igct 1 fuse 30a
Igct 5 fuse 7.5a
Igct relay
J/c a53 (left side of engine compt)
Mrel
N3 (under center console)
N31
N6 (left center of dash)
N91
N92
Nca
On- off
Pnk
Power management control ecu (right end of dash)
Psft
Red
Right acc relay
Right cowl side j/b (right end of dash)
Sftd
Sftu
Shift lever position sensor (transmission)
Spiral cable (in steering column)
St1-
Stp
Throttle body w/ motor assembly (top rear of engine)
Vcp1
Vcp2
Vcta
Vpa1
Vpa2
Vta1
Vta2

Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 2) for Lexus GS 450h 2014

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List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 2) for Lexus GS 450h 2014:

(base of selector lever assembly) transmission control switch
(right rear wheel assembly) right rear speed sensor
+b11
5v ic
A1 (left rear of engine compt)
A14
A16
Abs main 1 fuse 10a
At1
Au1
Ca1h
Ca1l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
D12
D17
D26
E10
E11
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Fl+
Fl-
Fr+
Fr-
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
Ic1
Ic2
Ig+
J/c a51 (upper left end of dash)
J/c a53 (left side of engine compt)
J/c n126 (left center of dash)
Left cowl side j/b (left end of dash)
Left front speed sensor (left front wheel assembly)
Left rear speed sensor (left rear wheel assembly)
Lh-ig2 fuse 10a
N3 (under center console)
N40
N6 (left center of dash)
Na2
Nca
Pnk
Red
Right front speed sensor (right front wheel assembly)
Rl+
Rl-
Rr+
Rr-
Sftd
Sftu
Skid control ecu (left rear of engine compt)
Stop fuse 7.5a
Stop light switch (brake pedal bracket)
Oa1
Oa2

DEFOGGERS

Front Deicer Wiring Diagram for Lexus GS 450h 2014

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List of elements for Front Deicer Wiring Diagram for Lexus GS 450h 2014:

A/c amplifier (center of dash)
A21
A6 (left end of dash)
B2 red
Canh
Canl
Computer data lines system
Deicer fuse 25a
Deicer relay
Engine room r/b 1 (left side of engine compt)
Fdef
Front window deicer switch
Front wiper deicer (windshield glass) (bottom of windshield)
Hot at all times
Hot w/ lh-ig1 1 relay energized
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Multimedia module receiver assembly
N68
N78
N80
Na1
Red

Heated Mirrors Wiring Diagram for Lexus GS 450h 2014

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List of elements for Heated Mirrors Wiring Diagram for Lexus GS 450h 2014:

Bdr
C12 red
C40
Canh
Canl
Cann
Canp
Computer data lines system
Fl door fuse 30a
Fr door fuse 30a
Gnd
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Left cowl side j/b (left end of dash)
Left front multiplex network door ecu (in left front door)
Left outer rearview mirror assembly
Lh-ig fuse 10a
Mirror heater
Multimedia module receiver assembly
N68
Q19
Qt1
Qu1
Rear window defogger switch
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front multiplex network door ecu (in right front door)
Right outer rearview mirror assembly
Sig
T1 (under front passenger seat)
U1 (under driver's seat)
Z10
Z11

Rear Defogger Wiring Diagram for Lexus GS 450h 2014

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List of elements for Rear Defogger Wiring Diagram for Lexus GS 450h 2014:

A/c amplifier (center of dash)
A2 (left rear of engine compt)
A26
Au2
B10
Batt
Canh
Canl
Computer data lines system
D30
Def
E20
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Gndb
Hot at all times
Hot w/ lh-ig1 1 relay energized
Ig1a
Integration relay
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Multimedia module receiver assembly
N68
N78
N80
Na4
Noise filter (rear window defogger) (left "c" pillar)
P/i-b 1 fuse 50a
Rdef
Rear window defogger (back window glass)
Rear window defogger switch
Red
T23
T3 (top of right "c" pillar)
U23

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Electronic Power Steering Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

A18
A26
A29
A3 (right rear of engine compt)
A40
A41
Asst
Au1
B14
Bat
Ca1h
Ca1l
Canh
Canl
Computer data lines system
Css+
Css-
D32
Engine room r/b 1 (left side of engine compt)
Eps-b fuse 10a
Eps-ig fuse 5a
Ess
Hot at all times
Hot w/ lh-ig1 rly1 relay energized
Hot w/ rr-ig1 rly 1 relay energized
Ig1
Incs
Insn
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
Luggage room j/b 1 (left side of luggage compt)
Mpx-b fuse 10a
N1 (base of left kick panel)
N35
Nca
Oucs
Ousn
Pgnd
Pig
Pnk
Power steering ecu (right rear corner of engine compt)
Power steering motor (front of engine compt)
Power steering torque sensor (power steering link assembly) (left front of engine compt)
Red
Rzcs
Rzg
Rzsn
Rzv
Srzg
Ss1+
Ss1-
Steering sensor (on steering column)
Tqg1
Tqg2
Trqv
Wdd1
Windshield wiper switch assembly

Electronic Power Steering Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Electronic Power Steering Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

(left "c" pillar)
(left "c" pillar) u2
5v ic
5v+b
Asst
Av1
Ca1h
Ca1l
Can i/f
Canh
Canl
Cbp
Cbpe
Cep
Cepe
Combination meter assembly
Computer data lines system
Cpu
Ddok
Engine room r/b 1 (left side of engine compt)
Eps fuse 80a
Fusible link block (left rear of luggage compt)
Gauge fuse 5a
Hot at all times
Hot w/ ig2 relay energized
Hybrid battery junction block (top center of hv battery assembly)
I/f
Ig+
J/c u52
Led driver
N40
N6 (left center of dash)
N92
Na2
Pig
Pnk
Power management control ecu (right end of dash)
Psok
Red
Speaker
Telltales
Un1
Ux1
Ux2
Vgnd
Vot1
Vu1
Wdd1

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Lexus GS 450h 2014

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List of elements for Electronic Suspension Wiring Diagram for Lexus GS 450h 2014:

5v ic
5v+b
A1 (left rear of engine compt)
A20 canh
A37
A4 (right rear of engine compt)
Absorber control ecu (right kick panel)
Avs fuse 20a
Can i/f
Canh
Canl
Combination meter assembly
Combination switch assembly
Computer data lines system
Cpu
Driver display
E fl
E fr
E rl
E rr
Ecm (engine control module) (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Fal+
Fal-
Far+
Far-
Fbl+
Fbl-
Fbr+
Fbr-
Front acceleration sensor (behind left end of dash)
Gauge fuse 5a
Gnd
Gno
Hot at all times
Hot in on or start
Ig+
J/c a53 (left side of engine compt)
J/c t44 (right "c" pillar)
J/c u52 (left "c" pillar)
Led driver
Left front absorber control actuator (left front shock tower)
Left rear absorber control actuator (left rear shock tower)
Mpx-b fuse 10a
N105
N40
N6 (left center of dash)
N7 (base of right kick panel)
Na2
Normal
Nt1
Of luggage compt)
Pnk
Ral+
Ral-
Rar+
Rar-
Rbl+
Rbl-
Rbr+
Rbr-
Rear acceleration sensor (right side sgrr
Red
Right cowl side j/b (right end of dash)
Right front absorber control actuator (right front shock tower)
Right rear absorber control actuator (right rear shock tower)
Sgb
Sgb1
Sgb2
Sgfl
Sgg
Sgg1
Sgg2
Sgnd
Sgs2
Sgsi
Sgv
Spcn
Sport
Spsw
T4 (front right side of luggage compartment)
Telltales
Tu1
U3 (left "c" pillar)

ENGINE PERFORMANCE

3.5L HYBRID

3.5L Hybrid, Engine Controls Wiring Diagram (1 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (1 of 7) for Lexus GS 450h 2014:

(fuel tank) fuel sender gauge
(left rear of engine compt) a1
(left side of engine compt)
(left side of luggage compt) fuel pump control ecu
+b2
2nd
A20
A6 (left end of dash)
Af1
Au1
Batt
Canh
Canister pressure sensor
Canister pump module (under center rear of vehicle)
Canl
Cann
Canp
Combination switch assembly
Computer data lines system
Cooling fans system
D24
Ecm (engine control module) (left side of engine compt)
Eco
Ecu
Engine room r/b 1 (left side of engine compt)
Etcs fuse 10a
Ev mode
F2 (right rear of engine)
Fp-
Fpc
G2o
Gnd
Hot at all times
Hot w/ ig2 relay energized
Igsw
Ill+
Ill-
Instrument cluster system
Interior lights system
J/c a53
Leak detection pump
Left cowl side j/b (left end of dash)
Lh-ig2 fuse 10a
Mgnd
Mpmp
Mrel
Mtrb
N6 (left center of dash)
Na2
Normal
P/i-b 2 fuse 80a
Pnk
Ppmp
Red
Rfc
Rtnv
Sgnd
Snow
Snwi
Spcn
Sport
Spsw
Tach
U4 (front left side of luggage compt)
Vcc
Vent valve
Vgnd
Vlvb
Vout
Vpmp

3.5L Hybrid, Engine Controls Wiring Diagram (2 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (2 of 7) for Lexus GS 450h 2014:

(left rear of engine compt) a1
(left side of engine compt)
+bm
A/c amplifier (center of dash)
A/f fuse 15a
A/f relay
A1a+
A2a+
A6 (left end of dash)
Af1
Canh
Canl
Computer data lines system
E14
E15
E16
E19
Ecm (engine control module) (left side of engine compt)
Ecos
Edu fuse 20a
Efi 2 fuse 10a
Efi main 1 relay
Efi main 2 relay
Efi main fuse 25a
Efi vacuum sensor (left rear of engine)
Engine room j/b 1 (left side of engine compt)
Epim
Epr
Ev1+
Ev2+
F/pmp fuse 25a
F10
F11
F12
F3 (right side of engine)
Fm2
Fpd
Fpf
Fuel pressure sensor (rear of engine)
Inj relay
Inj3
J/c a53
J/c f69
Knk1
Knk2
Me01
N78
N80
Ne+
Pim
Pnk
Red
Tha
Vce1
Vce2
Vcpm
Vcpr
Vcv1
Vv1+
Vv2+

3.5L Hybrid, Engine Controls Wiring Diagram (3 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (3 of 7) for Lexus GS 450h 2014:

(left side of engine compt) j/c f67
(top rear of engine) throttle body w/ motor assembly
(transmission) solenoid valve assembly
Af1
Crank position sensor (lower left front of engine)
Engine room j/b 1 (left side of engine compt)
Ex+
Ex-
Fm2
Fuel injectors 1, 3 & 5 (port injection) (top right side of engine)
Fuel injectors 2, 4 & 6 (port injection) (top left side of engine)
Hot w/ ig2 relay energized
Ic1
Ic2
Ign fuse 10a
Inj fuse 10a
Mh1
Pnk
Red
Sfc+
Sfc-
Shield
Vc2
Vta
Vta2
Vvt sensor (bank 2 exhaust side) (left rear side of engine)

3.5L Hybrid, Engine Controls Wiring Diagram (4 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (4 of 7) for Lexus GS 450h 2014:

(left side of engine compt) j/c f67
(top left side of engine)
(top right side of engine)
A1a-
A2a-
Af1
E2g
Ecm (engine control module) (left side of engine compt)
Ekn2
Eknk
Eta
Etha
Ethw
Ev1-
Ev2-
Ex1b
Ex2b
F1 (left rear of engine)
F2 (right rear of engine)
Ge01
Gnd
Ht2b
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
Intake mass air flow meter (right side of engine compt, in air intake duct)
Ne-
Ox1b
Ox2b
Pnk
Rear oxygen sensor 2 (bank 2 sensor 2) (left cylinder bank exhaust system, near catalytic converter)
Red
Shield
Tha
Thw
Vcta
Vcv2
Vta1
Vta2
Vv1-
Vv2-

3.5L Hybrid, Engine Controls Wiring Diagram (5 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (5 of 7) for Lexus GS 450h 2014:

(left side of engine compt) j/c a50 & f66
(right front of engine) injector driver (edu)
(right rear of engine) fuel pump
+b2
A50
Af1
Efi engine coolant temperature sensor (top right rear of engine)
Ex+
Ex-
F3 (right side of engine)
F36
F37
F66
Fp+
Fp-
Fpd
Fpf1
Ht1b
Ij1+
Ij1-
Ij2+
Ij2-
Ij3+
Ij3-
Ij4+
Ij4-
Ij5+
Ij5-
Ij6+
Ij6-
Inj2
Inj3
Injf
Na1
Ox1b
Pnk
Rear oxygen sensor (bank 1 sensor 2) (right cylinder bank exhaust system, near catalytic converter)
Red
Shield
Vc2
Vvl+
Vvl-
Vvr+
Vvr-
Vvt sensor (bank 1 exhaust side) (right rear side of engine)
Vvt sensor (bank 1 intake side) (right front side of engine)
Vvt sensor (bank 2 intake side) (left front side of engine)

3.5L Hybrid, Engine Controls Wiring Diagram (6 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (6 of 7) for Lexus GS 450h 2014:

(left side of engine compt) j/c a50 & f66
(right front of engine)
(right side of dash)
(top left side of engine) fuel injectors 2, 4 & 6 (direct injection)
(top right side of engine) fuel injectors 1, 3 & 5 (direct injection)
5v ic
5v+b
A14
A50
Can i/f
Combination meter assembly
Computer data lines system
Cpu
Display driver
F2 (right rear of engine)
F3 (right side of engine)
F66
Fj1
I/f
J/c n128
K1 (right front of engine)
Knock control sensor (bank 1) (top right side of engine)
Knock control sensor (bank 2) (top left side of engine)
Led driver
Malfunction ind lamp
N40
N6 (left center of dash)
Na1
Na2
Pnk
Red
Shield
Skid control ecu w/ actuator (left rear of engine compt)
Sp1
Speaker
Telltales

3.5L Hybrid, Engine Controls Wiring Diagram (7 of 7) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Engine Controls Wiring Diagram (7 of 7) for Lexus GS 450h 2014:

(left rear of engine) air fuel ratio sensor 2 (bank 2 sensor 1)
(left side of engine) left cam timing oil control valve (bank 2 exhaust side)
(left side of engine) left cam timing oil control valve assembly (bank 2 intake side)
(right rear of engine) air fuel ratio sensor (bank 1 sensor 1)
(right side of engine) right cam timing oil control valve assembly (bank 1 exhaust side)
(right side of engine) right cam timing oil control valve assembly (bank 1 intake side)
A1a+
A1a-
A20
A2a+
A2a-
A35
A36
Accelerator pedal sensor (top of accelerator pedal assembly)
Af1
Am2 fuse 7.5a
Am21
Ca1h
Ca1l
Computer data lines system
E01
E02
E04
E05
Ecm (engine control module) (left side of engine compt)
Engine oil level sensor (right side of engine oil pan)
Engine oil pressure switch (lower left front of engine)
Engine room r/b 1 (left side of engine compt)
Ep1
Ep2
Evsw
F1 (left rear of engine)
F3 (right side of engine)
Gauge fuse 5a
Gnd
Ha1a
Ha2a
Hot at all times
Hot w/ ig2 relay energized
Ht1b
Ht2b
Hybrid system circuit
Inj1
Inj2
Irel
Loil
N6 (left center of dash)
N91
N92
Na1
Oc1+
Oc1-
Oc2+
Oc2-
Oe1+
Oe1-
Oe2+
Oe2-
Pnk
Power management control ecu (right end of dash)
Prg
Red
Right cowl side j/b (right end of dash)
Shield
Spdi
Vcp1
Vcp2
Vpa1
Vpa2
Vsv (purge) (top right rear of engine)

3.5L Hybrid, Hybrid System Wiring Diagram (1 of 6) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (1 of 6) for Lexus GS 450h 2014:

(left front of engine compt) inverter water pump assembly
(left rear of engine compt)
(left rear of engine compt) a1
+b2
+bwp
A1 (left rear of engine compt)
A35
A38
Af1
Air conditioning system
At1
Clk+
Clk-
Drn1
Drn2
Drn4
Drn5
Drn6
Engine room r/b 1 (left side of engine compt)
F50
Fa2
Fctl
Gcs
Gcsg
Gmt
Gmtg
Gnd
Grf
Grfg
Gsn
Gsng
Hot at all times
Hsdn
Htm+
Htm-
Hybrid vehicle generator
Hybrid vehicle transmission assembly
Igct 1 fuse 30a
Igct 2 fuse 5a
Igct 3 fuse 7.5a
Igct 4 fuse 7.5a
Igct 5 fuse 7.5a
Igct relay
Ilk
Ilko
Inv w/p fuse 10a
Inv w/p relay
Inverter w/ converter (right rear corner of engine compt)
Iwp
J/c a53 (left side of engine compt)
J/c t44 (right "c" pillar)
Mrel
Mth+
Mth-
Na4
Niwp
Nodd
Nwp
Oil pmp fuse 60a
Oil pump relay
Pnk
Power management control ecu (right end of dash)
Psft
Red
Req+
Req-
Shield
St1-
Swp
T2 (right "c" pillar)
Tpm1
Tpm2
Tpst
Tm1
Vlo

3.5L Hybrid, Hybrid System Wiring Diagram (2 of 6) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (2 of 6) for Lexus GS 450h 2014:

(left "c" pillar)
(left "c" pillar) j/c u52 & u53
(left side of hv battery assembly) left battery cooling blower assembly
(left side of luggage compt)
(right rear corner of engine compt)
A14
A38
A39
A44
A5 (right end of dash)
A61
Acpb
Acpe
Air conditioning system
Amd
Au1
B13
B18
Bat fan relay (hv)
Batt fan (hv) fuse 20a
Cbi
Cei
Dc/dc fuse 150a
Dc/dc-s (hv) fuse 7.5a
Drn3
Drn7
Drn8
Engine room j/b 1 (left side of engine compt)
F51
F64
Fa3
Fp0
Fp1
Gnd0
Gnd1
Gnd2
Hot at all times
Hybrid vehicle motor
Hybrid vehicle transmission assembly
Idh
Ig0
Ig1
Igct
Ilki
Inverter bus bar plate sub assembly (right rear of engine compt)
Inverter w/ converter assembly
J/c t44 (right "c" pillar)
Luggage room j/b 1
Mcs
Mcsg
Mmt
Mmtg
Mrf
Mrfg
Msn
Msng
Nodd
Nt1
Nu1
Ohg
Ohu
Ohv
Ohw
Oigh
Oil pump motor controller (on oil pump motor)
Oil pump w/ motor assembly (right side of engine)
Omt
Omtg
Opst
Pnk
Red
Req+
Req-
Right battery cooling blower assembly (right side of hv battery assembly)
Shield
Si0
Si1
Sig
T4 (front right side of luggage compt)
Tu1
Tm1
U52
U53
Ux2
Vlo
Z19
Z20

3.5L Hybrid, Hybrid System Wiring Diagram (3 of 6) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (3 of 6) for Lexus GS 450h 2014:

(front right side of luggage compt) t4
(left center of dash)
(right "c" pillar)
(right "c" pillar) j/c t44 & t45
(under center console)
(under center console) n3
15a
Af1
Am22
At1
Battery thermometer sensor (on battery)
Bth+
Bth-
Busbar module
Ca2h
Ca2l
Cbi
Cbpe
Cei
Cepe
Computer data lines system
Current sensor
D16
Electronic power steering system
Eo1
Ept1
Ethb
Exterior lights system
Fp0
Fp1
Gb0
Gb1
Gb2
Gb3
Gb4
Gbo
Gc0
Gib
Gnd
Hybrid battery junction block assembly
Hybrid vehicle batterry
Hybrid vehicle battery
Igct
Ill+
Ill-
Indd
Indm
Indn
Indp
Indr
Interior lights system
J/c t44
Kick down switch assembly
Left cowl side j/b (left end of dash)
Main relay
N91
Na3
Nt1
Nu1
Oil pressure sensor (rear of engine)
Pnk
Power management control ecu (right end of dash)
Pto1
Pwr
Recharge relay
Red
Resistor
Service plug
Shield
Shift position indicator
Si0
Si1
Sl1+
Sl1-
Sl2+
Sl2-
Smrb
Smrg
Smrp
Spdi
Ssw1
T2 (right "c" pillar)
T44
T45
Tb0
Tb1
Tb2
Tb3
Tb4
Tco
Thb
Thermistor
Tm1
Ut1
Vb1
Vb10
Vb11
Vb12
Vb13
Vb14
Vb15
Vb16
Vb17
Vb18
Vb19
Vb2
Vb20
Vb3
Vb4
Vb5
Vb6
Vb7
Vb8
Vb9
Vib
Vout
Vpt1
Z16
Z17
Z18

3.5L Hybrid, Hybrid System Wiring Diagram (4 of 6) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (4 of 6) for Lexus GS 450h 2014:

(under center console)
2nd
A/c amplifier assembly (center of dash)
A18
A20
A22
Agnd
Am2 fuse 7.5a
Antenna coil
B21
Canh
Canl
Certification ecu (right end of dash)
Code
Combination switch assembly
Computer data lines system
D12
D15
D17
D22
D26
Driving support ecu assembly (left end of dash)
Eco
Ecos
Ecu
Engine control module (left side of engine compt)
Ev mode
G2o
Gnd
Hot at all times
Hot w/ ig2 relay energized
Ic1
Ic2
Ill+
Ill-
Interior lights system
J/c a51 (upper left end of dash)
Left cowl side j/b (left end of dash)
Lh-ig2 fuse 10a
N6 (left center of dash)
N7 (base of right kick panel)
N78
N80
N94
N95
Na1
Na2
Normal
Pnk
Power switch
Red
Right cowl side j/b (right end of dash)
Snow
Snwi
Spcn
Sport
Spsw
Ss1
Ss2
St1-
Stop fuse 7.5a
Stop light switch (brake pedal bracket)
Swil
Txct
Vc5

3.5L Hybrid, Hybrid System Wiring Diagram (5 of 6) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (5 of 6) for Lexus GS 450h 2014:

A45
A63
Accelerator pedal position sensor assembly (top of accelerator pedal assembly)
D26
Ep1
Ep2
Hot w/ rh ig1 rly 1 relay energized
Hybrid vehicle transmission (transmission wire)
J/c n126 (left center of dash)
N3 (under center console)
N31
N6 (left center of dash)
Paddle shift switch
Pb1
Pb3
Pnk
Red
Rh acc relay
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Sftd
Sftu
Shift down
Shift up
Sl1+
Sl1-
Sl2+
Sl2-
Spiral cable (in steering column)
Steering pad switch assembly
Tho
Transmission control switch (transmission floor shift assembly) (base of selector lever assembly)
Vcp1
Vcp2
Vpa1
Vpa2

3.5L Hybrid, Hybrid System Wiring Diagram (6 of 6) for Lexus GS 450h 2014

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List of elements for 3.5L Hybrid, Hybrid System Wiring Diagram (6 of 6) for Lexus GS 450h 2014:

(right side of dash)
(transmission) shift lever position sensor
(transmission) transmission revolution sensor (turbine)
(under center console) n3
+b1
5v ic
A14
A16
A36
Abfs
Accd
Af1
Af2
Air conditioning system
Am21
Anti-theft system
Ca1h
Ca1l
Ca3n
Ca3p
Can i/f
Canh
Canl
Ccs
Clk
Combination meter
Computer data lines system
Cpu
Cruise control system
Display driver
E02
E12
Electronic power steering system
Engine room r/b 1 (left side of engine compt)
Ep1
Ep2
Etho
Eti
Evsw
Gauge fuse 5a
Gmt
Gmtg
Hot at all times
Hot w/ ig2 relay energized
I/f
Ig1d
Ig2
Ig2d
Imi
Imo
Indicator lamp
Ite
J/c n128
Led driver
Lin2
Malfunction
Mmt
Mmtg
Mpx-b fuse 10a
N40
N6 (left center of dash)
N92
Na1
Na2
Pb1
Pb3
Pnk
Power distribution system
Power management control ecu (right end of dash)
Psok
Red
Right cowl side j/b (right end of dash)
Sftd
Sftu
Shift interlock system
Skid control ecu w/ actuator (left rear of engine compt)
Slp
Slr+
Sp1
Sp2+
Sp2-
Ssw2
Stb
Stp
Telltales
Tho
Topm
Vcp1
Vcp2
Vpa1
Vpa2

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Lexus GS 450h 2014

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List of elements for Backup Lamps Wiring Diagram for Lexus GS 450h 2014:

+b1
+b2
A35
A36
Af1
B12
Backup
Backup fuse 7.5a
Backup relay
Ca1h
Ca1l
Computer data lines system
E01
Engine room r/b 1 (left side of engine compt)
Hot w/ igct relay energized
Hot w/ rr-ig1 1 relay energized
Igct 5 fuse 7.5a
J/c u52 (left "c" pillar)
J/c a11 (center rear of luggage compt lid)
Left rear light assembly
Luggage room j/b 1 (left side of luggage compt)
N6 (left center of dash)
N91
N92
Nu1
Pnk
Power management control ecu (right end of dash)
Psft
Red
Right rear light assembly
Shift lever position sensor (transmission)
T4 (front right side of luggage compt)
U3 (left "c" pillar)
Ut1
At1

Exterior Lamps Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for Exterior Lamps Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

(left side of engine compt) engine room j/b 1
A11
A16
A17
A18
A2 (left rear of engine compt)
A22
A27
A28
A33
A41
A56
A57
A59
Acan
Acc
Air conditioning system
Altb
Automatic light control sensor (upper right side of dash)
B10
B20
Batt
Becu
C14
C44
Canh
Canl
Central stop light assembly
Cltb
Clte
Clts
Computer data lines system
D11
D12
D17
D19
D20
D26
D32
Flcy
Frcy
Gnd1
Gnda
Gndb
Head
Hmsl
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Integration relay
Interior lights system
J/c u52 & u53 (left "c" pillar)
Lcty
Left cowl side j/b (left end of dash)
Left rear combination light assembly
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lh-ig2 fuse 10a
Luggage room j/b 1 (left side of luggage compt)
Main body ecu
Marker side
N11
N12
N3 (under center console)
No1
Noise filter (center stop light & luggage compartment light) (left "c" pillar)
Pnk
Rcty
Red
Right rear combination light assembly
Side marker
Solar sensor
Stop
Stop fuse 7.5a
Stp
Stp2
Stpo
Tail
Tail/stop
Tlp
Trly
Trn
Tsl
Tsr
Tu1
Turn
U3 (left "c" pillar)
U52
U53
Vehicle approaching speaker controller (right side of luggage compt)

Exterior Lamps Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for Exterior Lamps Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

(brake pedal bracket) stop light switch
(right end of dash) power management control ecu
(right end of dash) right cowl side j/b
A14
A16
A18
A22
A23
A35
A59
Backup
Backup lamps circuit
Ca1h
Ca1l
Ca2h
Ca2l
Canh
Canl
Computer data lines systems
D12
D15
D22
Driving support ecu (left end of dash)
Engine room r/b 1 (left side of engine compt)
Gnd
Hot at all times
Ic1
Ic2
J/c a51 (upper left end of dash)
J/c a11 (center rear of luggage compt lid)
Left license plate light assembly
Left rear light assembly
Mpx-b fuse 10a
N92
P/i-b 1 fuse 50a
Pnk
Red
Right license plate light assembly
Right rear light assembly
Shift lock control ecu (base of selector lever)
Skid control ecu (left rear of engine compt)
St1-
Stp
Stp-
Stp2
Stpo
T/p
T4 (front right side of luggage compt)
Tail
Ut1
At1

Exterior Lamps Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for Exterior Lamps Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

5v ic
5v+b
A12
A14
A34
A49
A57
A58
A62
A63
B17
C24
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Cr1
Engine room r/b 1 (left side of engine compt)
Flasher circuit
Gauge fuse 5a
Gnd1
Haz
Haz fuse 15a
Hazard switch
Hazm
Hfl
Hot at all times
Hot w/ ig2 relay energized
Hzsw
I/f
Ig+
Led drive
Left cowl side j/b (left end of dash)
Left turn ind
Ljb
Multi-media module receiver assembly
N1 (base of left kick panel)
N35
N36
N39
N40
N6 (left center of dash)
N68
N69
Na2
Pnk
Red
Right turn ind
Speaker
Tail
Telltales
Tl1
Tl2
Tr1
Tr2
Trnl
Trnr
Windshield wiper switch assembly

Exterior Lamps Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for Exterior Lamps Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

Au1
Auto
B1 (right front of engine compt)
B2 (left front of engine compt)
Ba2
Gnd
Head
Headlight dimmer switch assembly
Left front multiplex network door ecu (in left front door)
Left headlight assembly
Left outer rearview mirror assembly
Light control switch
N1 (base of left kick panel)
Nn1
Nt1
Off
Pnk
Q19
Qt1
Qu1
Red
Right front multiplex network door ecu (in right front door)
Right headlight assembly
Right outer rearview mirror assembly
T1 (under front passenger seat)
Tail
Trni
Turn
Turn switch 1) left turn 2) left lane change 3) neutral 4) right lane change 5) right turn
U1 (under driver's seat)
Z10
Z11

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2014:

(left side of engine compt) engine room j/b 1
(left side of engine compt) engine room r/b 1
(w/ ptc heater) quick heater assembly
A/f relay
A1 (left rear of engine compt)
A14
A16
A2 (left rear of engine compt)
A20
A22
A29
A3 (right rear of engine compt)
A38
A4 (right rear of engine compt)
A5 (right end of dash)
A6 (left end of dash)
Af1
Air bag sensor assembly
At1
Au1
B10
Blower motor
Brake actuator
Brake fluid level warning switch
Compressor w/ motor assembly
E10
E11
Ecm (engine control module)
Efi main 1 relay
Efi main 2 relay
Engine water pump
F16
Fan 1 relay
Front wiper deicer
Headlight cleaner control relay
Ig2 relay
Igct relay
Integration relay
Inv w/p relay
Inverter w/ converter
Inverter water pump assembly
J/c a51 (upper left end of dash)
J/c a53 (left side of engine compt)
Left front absorber control actuator
Left front speed sensor shield
Left rear speed sensor shield
Level warning switch assembly
Multi-media module receiver assembly
N4 (under center console)
N5 (right center of dash)
N52
N68
N76
N77
Oil pmp relay
Power steering ecu
Right front absorber control actuator
Right front speed sensor shield
Right rear speed sensor shield
Shield
Skid control ecu
Windshield wiper motor
Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2014:

A50
Af1
Air fuel ratio sensor (bank 1 sensor 1) shield
Air fuel ratio sensor (bank 2 sensor 1) shield
Au1
B1 (right front of engine compt)
B2 (left front of engine compt)
Ba2
Canister pump module
Cooling fan ecu
Crank position sensor shield
Data link connector 3
Ecm (engine control module)
Engine hood courtesy switch
Engine oil level sensor
F1 (left rear of engine)
F2 (right rear of engine)
F3 (right side of engine)
F66
Fj1
Fuel pump assembly shield
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Injector driver shield
J/c a50 & f66 (left side of engine compt) f66
J/c n123 (left side of dash)
Knock control sensor (bank 1) shield
Knock control sensor (bank 2) shield
Left headlight assembly
Millimeter wave radar sensor
Na1
Oxygen sensor (bank 1 sensor 2) shield
Oxygen sensor (bank 2 sensor 2) shield
Right headlight assembly
Shield
Smog ventilation sensor
Wiring harness condenser 2

Ground Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2014:

(if equipped) ion generator 1
(left end of dash) left cowl side j/b
(right end of dash) right cowl side j/b
(w/ auto location) tire pressure monitor initiator driver
(w/o power trunk opener & closer) trk opn relay
A21
A32
A47
Absorber control ecu
All door lock relay
C17
Certification ecu
Cruise control main switch
D door unlock relay
D16
D17
Dcm (telematics transceiver)
Fr pwr outlet relay
Fuel opn relay
Glove box light (interior illumination light sub-assembly)
Headlight swivel ecu
Headup display (combination meter mirror ecu)
Id code box
J/c a51 (upper left end of dash)
Junction terminal n135
Kick down switch assembly
L/d door unlock relay
Lh- ig1 rly1 relay
Lh- ig1 rly2 relay
Luggage door opening cancel switch assembly
Main body ecu
Map light assembly
N105
N3 (under center console)
N31
N7 (base of right kick panel)
N87
N91
N92
N94
Network gateway ecu
Np1
Ny2
Occupant detection ecu
Power management control ecu
Refreshing seat switch
Rh acc relay
Rh-ig1 relay 1
Rh-ig1 relay 2
Right front seat inner belt t4
Rr pwr outlet relay
Spiral cable sub-assembly (in steering column)
Steering lock actuator
Steering pad switch assembly
Stop light switch
W/o dynamic radar cruise control
Y11
Z12

Ground Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2014:

(w/ dynamic radar cruise control) driving support ecu
(w/ navigation) accessory meter assembly (w/o navigation) multi-display
A/c amplifier
Air bag sensor assembly
Clock assembly
Combination meter assembly (transmission floor shift assembly)
Combination switch assembly
Cruise control main switch
Fuel injector 1 shield
Fuel injector 2 shield
Fuel injector 3 shield
Fuel injector 4 shield
Fuel injector 5 shield
Fuel injector 6 shield
Inner rear rear view mirror assembly
J/c n123 (left side of dash)
K1 (right front of engine)
L1 (right front of engine)
Lane recognition camera sensor
Map light assembly
Multiplex tilt & telescopic ecu
N152
N31
N32
N40
N52
N6 (left center of dash)
N62
N78
N91
N92
Ny1
Power management control ecu
Power outlet socket assembly
Power steering converter
Rain sensor
Rear sunshade switch assembly
Remote operation switch
Satellite switch set
Shield
Sliding roof control ecu
Sliding roof control switch
Spiral cable sub-assembly (in steering column)
Steering pad switch assembly
Steering wheel heater control assembly
To ground n1 (diagram 5 of 7)
Transmission control switch
Voltage inverter assembly
W/ dynamic radar cruise control
W/ navigation
W/o navigation
Y11
Yaw rate sensor

Ground Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2014:

(w/ adaptive front lighting system) headlight swivel main switch
A28
A51
B10
Body ecu
Clearance warning ecu
Data link connector 3
Driver monitor ecu
Electric parking brake switch assembly
From ground n6 (diagram 4 of 7)
Headlight dimmer switch assembly
Integration control & panel assembly
J/c n123 (left side of dash)
J/c n125 (left side of dash)
Left
Left cowl
Left front multiplex network door ecu
Luggage door opening switch assembly
Main
Multiplex tilt & telescopic ecu
N1 (base of left kick panel)
N13
N31
N35
N36
N37
Ny1
Option connector (glass breakage sensor ecu)
Option connector (remote engine starter)
Parking light switch assembly
Pre-collision system cancel switch (pre-crash system cancel switch assembly)
Q1 (right front door)
Q18
Q2 (left front door)
Rear window defogger (back window glass)
Right
Right front multiplex network door ecu
Shift lock control ecu
Side j/b (left end of dash)
Spiral cable sub-assembly (in steering column)
Steering pad switch assembly
Steering sensor
Switch assembly
T23
T3 (top of right "c" pillar)
Tilt steering gear w/ motor
Tire pressure warning reset switch (tire pressure warning switch 1)
Trip switch
Visor assembly
Windshield wiper
Windshield wiper switch assembly

Ground Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2014:

(if equipped) security horn relay
(left side of luggage compt) luggage room j/b 1
(w/ 10-way seat position) left front power seat switch assembly
(w/ 18-way seat position) left position control ecu
(w/ power trunk opener & closer) luggage closer motor
Ac inv relay (hv)
Au1
Ba2
Back up relay
Center stop light assembly
Fuel pump control ecu
J/c u52 & u53 (left "c" pillar)
J/c d34 (under driver's seat)
Junction terminal u56
Left battery cooling blower assembly
Left blind spot monitor sensor
Left front fog light assembly
Left front multiplex network door ecu
Left front seat heater assembly
Left front seat inner belt
Left rear absorber control actuator
Left rear combination light assembly
Left rear door lock assembly
Left rear door outside handle assembly
Left rear power window regulator motor
Left rear power window regulator switch assembly
Left rear seat inner belt w/ center assembly
Left seat climate control blower
Parking brake ecu
Power steering ecu shields
Q19
Qu1
Right front fog light assembly
Right rear combination light assembly
Rr-ig1 rly1 relay
Rr-ig1 rly2 relay
Ru1
Seat belt control ecu
U1 (under driver's seat)
U2 (left "c" pillar)
U3 (left "c" pillar)
U34
U36
U4 (front left side luggage compt)
U52
U53
Ux2
Ud1
D1 (under driver's seat)
D15

Ground Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2014

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List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2014:

(right "c" pillar) j/c t44 & t45
(w/o power trunk opener & closer) luggage compartment door lock assembly
(w/o security horn) theft warning siren
Battery voltage sensor
Console box illumination light assembly
Door control switch
Door unlock switch sub- assembly
Hybrid battery junction block
Interlock switch (service plug grip)
J/c c34 (under front passenger's seat)
J/c e6 (under right side of rear seat)
Junction terminal t47 & t48
Left license plate light assembly
Left rear light assembly
Left rear seat back heater assembly
Left rear seat heater assembly
Luggage electrical key switch
Night view ecu
Qt1
Rear control switch
Rear power outlet socket assembly 2
Rear television camera
Right battery cooling blower assembly
Right blind spot monitor sensor
Right front multiplex network door ecu
Right front power seat switch assembly
Right front seat heater assembly
Right front seat inner belt
Right position control ecu
Right rear absorber control actuator
Right rear door lock assembly
Right rear door outside handle assembly
Right rear light assembly
Right rear power window regulator motor
Right rear power window regulator switch assembly
Right rear seat back heater assembly
Right rear seat heater assembly
Right rear seat inner belt w/ center assembly
Right seat climate control blower
Rt1
Stereo component amplifier
T1 (under front passenger seat)
T2 (right "c" pillar)
T32
T34
T4 (front right side luggage compt)
T40
T44
T45
T47
T48
Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly)
Tw1
Tc2
Te1
Tm1
Vehicle approaching speaker controller
W/ memory
W/ night view system
W/o night view system
At1
C1 (under front passenger's seat)
Ez1

HEADLIGHTS

Adaptive Front Lighting Wiring Diagram for Lexus GS 450h 2014

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List of elements for Adaptive Front Lighting Wiring Diagram for Lexus GS 450h 2014:

5v ic
5v+b
A28
A33
Altb
Au1
Auto
Ba2
Becu
C44
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
D15
D17
D29
D32
Data link connector 3 (under left side of dash)
Display driver
Engine room r/b 1 (left side of engine compt)
Flcy
Frcy
Gauge fuse 5a
Gnd1
Gnd2
Head
Headlight dimmer switch assembly
Headlight leveling & swivel motor
Headlight swivel ecu assembly (behind left kick panel)
Headlight swivel main switch
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Ig+
Igs
Init
Interior lights system
J/c a51 (upper left end of dash)
Lcty
Led driver
Left cowl side j/b (left end of dash)
Left headlight assembly
Left rear height control sensor sub-assembly (left rear wheelwell)
Lh e
Lh ecu-ig fuse 10a
Lh j/b-b fuse 7.5a
Lh+
Lh-ig fuse 10a
Lhm+
Light control switch
Lvl
Main body ecu (left end of dash)
Mpx-b fuse 10a
Msw
N1 (base of left kick panel)
N11
N12
N13
N3 (under center console)
N40
N6 (left center of dash)
Na1
Na2
Na3
Nn1
Off
Pnk
Rcty
Red
Rh e
Rh+
Rhm+
Right headlight assembly
Sbr
Sgr
Shrl
Smbl
Smbr
Smgl
Smgr
Sml
Smr
Tail
Telltales
Ru1

Headlamps Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

A28
A33
Air conditioning system
Altb
Au1
Auto
Automatic light control sensor (upper right side of dash)
Ba2
Becu
C44
Ca2h
Ca2l
Canh
Canl
Cltb
Clte
Clts
Computer data lines system
D11
D21
D22
D23
D30
D32
Dim
Dimmer switch
Drl
Electric parking brake switch assembly
Engine room r/b 1 (left side of engine compt)
Ffgo
Ffog
Flash
Flcy
Fog light switch
Frcy
Gnd1
Gnd2
H-lp lo fuse 30a
Head
Headlight dimmer switch assembly
High
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hrly
Interior lights system
J/c u52 (left "c" pillar)
Lck1
Lck2
Lcty
Led type
Left cowl side j/b (left end of dash)
Left front fog light assembly
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Light control switch
Llew
Lock
Lok1
Lok2
Low
Main body ecu (left end of dash)
Mpx-b fuse 10a
N1 (base of left kick panel)
N11
N12
N13
N3 (under center console)
Na1
Nn1
No1
Off
P/i-b 1 fuse 50a
Parking brake ecu assembly (left side of luggage compt)
Pnk
Rcty
Red
Rel1
Rel2
Release
Right front fog light assembly
Rlew
Rls1
Rls2
Solar sensor
Tail
Trly
Tsl
Tsr
U3 (left "c" pillar)
U37
Un1

Headlamps Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

(left front of engine compt) b2
(right front of engine compt) b1
5v ic
5v+b
A10
A12
A13
A15
A16
A2 (left rear of engine compt)
A22
Alt
B10
Ba2
Batt
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Display driver
Drl
Drll
Drlr
E20
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Exterior lights system
Ffg
Ffgl
Ffgr
Gauge fuse 5a
Gnda
Gndb
H-lp lo relay
Hlhl
Hlhr
Hlhs
Hot at all times
Hot w/ ig2 relay energized
I/f
Ig+
Ig1a
Integration relay
J/c a51 (upper left end of dash)
Led driver
Led type
Left headlight assembly
Lh-lo h-lp fuse 20a
N40
N6 (left center of dash)
Na2
P/i dc/dc fuse 100a
Red
Rh-lo h-lp fuse 20a
Right headlight assembly
Speaker
Tail
Telltales
Tlp

Headlamps Leveling Wiring Diagram for Lexus GS 450h 2014

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List of elements for Headlamps Leveling Wiring Diagram for Lexus GS 450h 2014:

5v ic
5v+b
A28
A33
Altb
Au1
Auto
Ba2
Becu
C44
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
D15
D17
D29
D32
Data link connector 3 (under left side of dash)
Display driver
Engine room r/b 1 (left side of engine compt)
Flcy
Frcy
Gauge fuse 5a
Gnd1
Gnd2
Head
Headlight dimmer switch assembly
Headlight leveling motor
Headlight swivel ecu assembly (behind left kick panel)
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Ig+
Igs
Init
Interior lights system
J/c a51 (upper left end of dash)
Lcty
Led driver
Left cowl side j/b (left end of dash)
Left headlight assembly
Left rear height control sensor sub-assembly (left rear wheelwell)
Lh e
Lh ecu-ig fuse 10a
Lh j/b-b fuse 7.5a
Lh+
Lh-ig fuse 10a
Lhb1
Lhm+
Lht
Light control switch
Lvl
Main body ecu (left end of dash)
Mpx-b fuse 10a
N1 (base of left kick panel)
N11
N12
N13
N3 (under center console)
N40
N6 (left center of dash)
Na2
Na3
Nn1
Off
Pnk
Rcty
Red
Rh e
Rh+
Rhb1
Rhm+
Rht
Right headlight assembly
Sbr
Sgr
Shrl
Smgl
Smgr
Tail
Telltales
Ru1

HORN

Horn Wiring Diagram for Lexus GS 450h 2014

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List of elements for Horn Wiring Diagram for Lexus GS 450h 2014:

A64
Ba2
D10
Engine room r/b 1 (left side of engine compt)
Horn
Horn (high) (front of right side of radiator)
Horn (low) (front of left side of radiator)
Horn fuse 10a
Horn relay
Horn switch
Hot at all times
Left cowl side j/b (left end of dash)
Main body ecu
N31
Pnk
Spiral cable (in steering column)
Steering pad switch assembly

INSTRUMENT CLUSTER

Head-Up Display Wiring Diagram for Lexus GS 450h 2014

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List of elements for Head-Up Display Wiring Diagram for Lexus GS 450h 2014:

A19
A20
A45
Acc
Acc fuse 7.5a
Accd
Ca1h
Ca1l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Disp
Down
Engine room r/b 1 (left side of engine compt)
Headup display
Headup display switch assembly
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hud
I/f
Ild
Ill+
Ill-
Illumination down
Illumination up
Ilu
Interior lights system
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Mpx-b fuse 10a
Mpx1
Mpx2
Multi-media module receiver assembly
N40
N68
N7 (base of right kick panel)
N92
Np1
Pnk
Power management control ecu (right end of dash)
Red
Rh acc relay
Right cowl side j/b (right end of dash)
Sw1
Sw2
Tx+
Tx-
Tx2+
Tx2-

Instrument Cluster Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

(left side of engine compt) j/c a53
5v 1c
5v+b
A/b
A1 (left rear of engine compt)
A14
A16
A18
A19
A45
Acc
Acc fuse 7.5a
Brake fluid level warning switch (brake master cylinder reservoir assembly) (brake fluid reservoir)
C32
Ca1h
Ca1l
Can i/f
Canh
Canl
Chk
Clock assembly
Combination meter assembly
Computer data lines system
Cpu
D32
Disp
Display driver
Down
Engine controls system
Engine room r/b 1 (left side of engine compt)
Epb
Exterior lights system
Flasher circuit
Fuel sender gage assembly (fuel tank)
Fuel sender gage assembly 2
Gnd
Haz fuse 15a
Hazm
Headup display circuit
Hot at all times
Hzsw
I/f
Ig+
Ill+
Ill-
Ind left turn
Ind turn right
Interior lights system
Lbl
Led driver
Left cowl side j/b (left end of dash)
Malfunction indicator lamp
Mpx-b fuse 10a
Mssl
N1 (base of left kick panel)
N31
N39
N40
N6 (left center of dash)
N7 (base of right kick panel)
Na1
Nu1
Odo/trip switch
Oilw
Pnk
Red
Rh acc relay
Right cowl side j/b (right end of dash)
Right steering pad switch
Rset
Shift interlock system
Skid control ecu assembly (left rear of engine compt)
Sp1
Speaker
Spiral cable (in steering column)
Steering pad switch assembly
Telltale
Tn1
Trip switch
Tu1
Tx+
W/ power trunk opener & closer
Wiper/ washer system
Wlvl

Instrument Cluster Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

A33
A61
Accd
Af1
C33
C44
C46
Can1h
Can1l
Canh
Canl
Cann
Canp
Cls
Computer data lines system
Courtesy
Cswe
Dcm (telematics transceiver) (right end of dash)
Ecub
Engine oil level sensor (right side of engine oil pan)
Engine oil pressure switch (lower left front of engine)
Engine room r/b 1 (left side of engine compt)
F1 (left rear of engine)
Flcy
Frcy
Fsw
Gauge fuse 5a
Gnd
Gnd1
Haf
Half
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
J/c n125 (left side of dash)
J/c n128 (right side of dash)
J/c a11 (center rear of luggage compt lid)
Lcty
Left cowl side j/b (left end of dash)
Left front door courtesy light switch (left front "b" pillar)
Left rear door courtesy light switch (left rear "c" pillar)
Lgcy
Lh- ig fuse 10a
Loil
Luggage compartment door lock assembly (w/ power trunk opener & closer) (center rear of luggage compt lid)
Luggage compartment door lock assembly (w/o power trunk opener & closer) (center rear of luggage compt lid)
Luggage lid closer motor assembly (w/ power trunk opener & closer) (left front of luggage compt)
Main body ecu
Multi-media module receiver assembly
N11
N12
N3 (under center console)
N68
N87
N91
N92
Na1
Na2
Nt1
Nu1
Pawl
Pnk
Power management control ecu (right end of dash)
Rcty
Red
Right cowl side j/b (right end of dash)
Right front door courtesy light switch (right front "b" pillar)
Right rear door courtesy light switch (right rear "c" pillar)
Spd
Spdi
Spdp
Stereo component amplifier (right rear corner of luggage compt)
Swg
T35
T4 (front right side of luggage compt)
T40
T43
U3 (left "c" pillar)
Ut1
Vehicle approaching speaker controller (right side of luggage compt)
W/ night view system
W/o night view system
At1

Night Vision Wiring Diagram for Lexus GS 450h 2014

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List of elements for Night Vision Wiring Diagram for Lexus GS 450h 2014:

(left center of dash) n6
(right "c" pillar) j/c t44 & t45
(right "c" pillar) t2
A16
At1
Ba2
C13
Ca1h
Ca1l
Ca1n
Ca1p
Cb+
Cc+
Ccd+
Ccd-
Cgnd
Clts
Computer data lines system
Cv+
Gvif
Hold
Hot w/ rh-ig1 1 relay energized
Hzri
Ill+
Ill-
Interior lights system
Irfl
Irfr
Irly
J/c a56 (left side of engine compt)
Left headlight assembly
Na1
Night view
Night view camera (top center of windshield)
Night view ecu (right side of luggage compt)
Ntsc
Nvm
Nvsw
Pnk
Red
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Right headlight assembly
Satellite switch set
Sg2
Shield
Skid control ecu assembly (left rear of engine compt)
Sound systems
T34
T44
T45
T50
Tn1
Yt1

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for Courtesy Lamps Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

A18
A22
A27
A28
A29
A30
A31
A32
A33
A51
A55
Altb
B16
Becu
C21
C23
C32
C38
C39
C40
C42
C44
C46
Canh
Canl
Computer data lines system
D32
Dome cut relay
Domr
Door control switch
Flcy
Frcy
Fspt
Gnd2
Hot at all times
Hot w/ lh-ig1 1 relay relay energized
Ile
Lcty
Lcyl
Left cowl side j/b (left end of dash)
Left front door courtesy light
Left rear door courtesy light
Left rear door courtesy light switch assembly (left "c" pillar)
Lgcy
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Luggage compartment light assembly 1
Main body ecu (left end of dash)
N1 (base of left kick panel)
N11
N12
N13
Noise filter (center stop light & luggage compartment light) (left "c" pillar)
Nt1
Nt2
Nu1
Pnk
Qu1
Rcty
Rcyl
Red
Right rear door courtesy light
Right rear door courtesy light switch assembly (right "c" pillar)
Rs1
Rs2
Rt1
Ru1
Tcyl
Ut1
W/ power trunk opener & closer
At1

Courtesy Lamps Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for Courtesy Lamps Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

+b1
Cty
Dome fuse 7.5a
Dome light
Door
Engine room r/b 1 (left side of engine compt)
Gnd9
Hot at all times
Left map light
Left rear ambient light (left interior illumination light assembly 1)
Left rear door inside handle illumination light assembly
Left rear foot light (left interior illumination light assembly 1)
Left spot light assembly
Map light assembly
Mpx-b fuse 10a
N7 (base of right kick panel)
Ny1
Ny2
On/off
Pnk
Qt1
Red
Rifl
Rifr
Right front door courtesy light
Right map light
Right rear ambient light (right interior illumination light assembly 1)
Right rear door inside handle illumination light assembly
Right spot light assembly
Rlmp
Rlsw
Rrmp
Rrsw
Rs1
Rs2
Ru1
Ud1
W/ power trunk opener & closer
Y11

Courtesy Lamps Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for Courtesy Lamps Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

(center rear of luggage compt lid) (w/o power trunk opener & closer) luggage compartment door lock assembly
(right end of dash) right cowl side j/b
A17
A33
A57
A58
A61
C20
C21
C27
C28
C36
C44
C46
Cls
Courtesy
Cswe
Ecub
Footwell
Fsw
Gnd
Haf
Half
Hot at all times
Ill
J/c n128 (right side of dash)
J/c a11 (center rear of luggage compt lid)
Left front foot light (left interior illumination light assembly 1)
Left vanity light assembly
Left visor assembly
Luggage closer motor assembly (w/ power trunk opener & closer) (left front of luggage compt)
Luggage compartment door lock assembly (w/ power trunk opener & closer) (center rear of luggage compt lid)
Luggage room j/b 1 (left side of luggage compt)
Na1
Nt1
Ny1
Pawl
Pnk
Ptl fuse 25a
Red
Right front foot light (right interior illumination light assembly 1)
Right rear foot light (right interior illumination light assembly 1)
Right vanity light assembly
Right visor assembly
Rt1
Ru1
Swg
T4 (front right side of luggage compt)
Tu1
Tc2
U3 (left "c" pillar)
Ut1
W/ power trunk opener & closer
At1

Courtesy Lamps Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for Courtesy Lamps Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

5v ic
5v+b
A64
Bcut
Bdr
C12
C23
C25
C40
Can i/f
Canh
Canl
Cann
Canp
Combination meter assembly
Computer data lines system
Cpu
Cpub
Cyl
Driver led
Engine room r/b 1 (left side of engine compt)
Fl door fuse 30a
Footwell
Fr door fuse 30a
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
Hot w/ rh-ig1 1 relay energized
Ig+
Il1+
Il1-
Led+
Led-
Left cowl side j/b (left end of dash)
Left front ambient light (left interior illumination light assembly 1)
Left front door courtesy light switch assembly (left "b" pillar)
Left front door inside handle illumination light assembly
Left front multiplex network door ecu (in left front door)
Left outer rear view mirror assembly
Mlp
N40
N6 (left center of dash)
Na2
P/w-b fuse 5a
Pnk
Q18
Q19
Qt1
Qu1
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front ambient light (right interior illumination light assembly 1)
Right front door courtesy light switch assembly (right "b" pillar)
Right front door inside handle illumination light assembly
Right front multiplex network door ecu (in right front door)
Right outer rear view mirror assembly
Sig
T1 (under front passenger seat)
Telltales
U1 (under driver's seat)
Z10
Z11

Instrument Illumination Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for Instrument Illumination Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

(left center of dash)
(right end of dash) certification ecu
A18
A28
Acan
Agnd
Altb
Auto
Automatic light control sensor (upper right side of dash)
B15
Becu
C40
C46
Canh
Canl
Cltb
Clte
Clts
Combination switch assembly
Computer data lines system
D11
D30
D32
Engine room r/b 1 (left side of engine compt)
Glove box light (interior illumination light sub assembly)
Gnd2
Head
Headlight dimmer switch assembly
Hot at all times
Hot w/ lh-ig1 1 relay energized
Ill+
Ill-
Instrument panel register assembly 2 (left center of dash)
J/c n126
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Light control switch
Main body ecu (left end of dash)
Mpx-b fuse 10a
N1 (base of left kick panel)
N11
N12
N13
N41
N64
N94
N95
Nn1
No1
Off
P/i-b 1 fuse 50a
Panl
Pnk
Power switch
Rear sunshade switch assembly
Red
Remote operation switch
Shift position indicator
Swil
Tail
Trly

Instrument Illumination Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for Instrument Illumination Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

(right end of dash) dcm (telematics transceiver)
A14
A16
A2 (left rear of engine compt)
A22
Back sonar or clearance sonar switch assembly
Batt
Console box illumination light assembly
Door lock & unlock switch
E20
Engine room j/b 1 (left side of engine compt)
Gnd
Gnda
Ig1a
Ill+
Ill-
Instrument panel register assembly 1 (right end of dash)
Integration relay
J/c n126 (left center of dash)
J/c t44 & t45 (right "c" pillar) t44
Mirror adjust switch
Mirror r/l select switch
Mirror retract switch (if equipped)
Multi-media module receiver assembly
Multiplex network master switch assembly
N68
N87
Na1
Nt2
Nu2
Pnk
Pnl
Pnls
Qt1
Qu1
Rear control switch
Red
Refreshing seat switch
Right front power window regulator switch assembly
T4 (front right side of luggage compt)
T45
Tail
Tw1
Te1
Window lock switch
Ez1

Instrument Illumination Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for Instrument Illumination Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

(right end of dash) right cowl side j/b
A32
A47
A64
Accessory meter assembly (w/ navigation) multi-display (w/o navigation)
C23
Clock assembly
Electric parking brake switch assembly
Gnd1
Head up display switch assembly
Ill
Ill+
Ill-
Illb
Instrument panel register assembly 3 (left side of dash)
Integration control & panel assembly
Lill
Luggage door opening switch assembly
Map light assembly
Monitor blind spot
N1 (base of left kick panel)
N152
N6 (left center of dash)
N62
N7 (base of right kick panel)
Ny1
Parking light switch assembly
Pnk
Satellite switch set
Switch dome light
Switch map light
Switch sliding roof
Trip switch
W/ navigation
W/o navigation

Instrument Illumination Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for Instrument Illumination Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

-dp
5v ic
5v+b
Bcut
Bdr
Btm
C12
C25
C40
Can i/f
Canh
Canl
Cann
Canp
Combination meter assembly
Computer data lines system
Control assembly
Cpu
Cpub
Disp
Distance control
Eht
Engine room r/b 1 (left side of engine compt)
Fl door fuse 30a
Fr door fuse 30a
Gauge fuse 5a
Gnd
Heater
Hot at all times
Hot w/ ig2 relay energized
Hot w/ rh-ig1 1 relay energized
I/f
Ig+
Il+2
Ill-
Led driver
Left cowl side j/b (left end of dash)
Left front multiplex network door ecu (in left front door)
Left steering pad switch
Lka
Mode
N1 (base of left kick panel)
N31
N32
N40
N6 (left center of dash)
Na2
P/w-b fuse 5a
Pnk
Pws
Q18
Q19
Qt1
Qu1
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front multiplex network door ecu (in right front door)
Right steering pad switch
Seek
Sig
Speaker
Spiral cable sub-assembly (in steering column)
Steering heater
Steering pad switch assembly
Steering wheel heater control assembly
T1 (under front passenger seat)
Telephone
Telltales
U1 (under driver's seat)
Voice
Volume

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram, 10-Way Driver Seat (1 of 2) for Lexus GS 450h 2014

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List of elements for Driver"s Memory Seat Wiring Diagram, 10-Way Driver Seat (1 of 2) for Lexus GS 450h 2014:

+b2
Back
Becu
C33
C46
Cann
Canp
Computer data lines system
D32
Dbcl
Down
Drdc
Engine room r/b 1 (left side of engine compt)
F/l p/seat1 fuse 30a
Frv+
Frv-
Fwd
Gnd
Gnd1
Gnd2
Hot at all times
J/c d34 (under driver's seat)
Left cowl side j/b (left end of dash)
Left front power seat switch assembly
Left power seat lift motor
Left power seat reclining motor (under driver's seat)
Lft+
Lft-
Main body ecu
Mpx-b fuse 10a
N13
N3 (under center console)
O/p
Passive restraints system
Pnk
Rcl+
Rcl-
Red
Sgnd
Sld+
Sld-
Ssfv
Ssrl
Ssrr
Ssrs
Sysb
U1 (under driver's seat)
Ud1
D15
D16

Driver"s Memory Seat Wiring Diagram, 10-Way Driver Seat (2 of 2) for Lexus GS 450h 2014

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List of elements for Driver"s Memory Seat Wiring Diagram, 10-Way Driver Seat (2 of 2) for Lexus GS 450h 2014:

(in left front door) left front multiplex network door ecu
Back
Cann
Canp
Computer data lines system
Cpub
Down
Fwd
Gnd
Left front lumbar power seat switch
Left lumbar support motor (driver's seat)
Left power seat slide motor (under driver's seat)
Left power seat tilt motor
Left seat memory switch
Mmry
Mswe
O/p
Pnk
Q19
Qu1
Red
Set
U1 (under driver's seat)

Driver"s Memory Seat Wiring Diagram, 18-Way Driver Seat (1 of 3) for Lexus GS 450h 2014

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List of elements for Driver"s Memory Seat Wiring Diagram, 18-Way Driver Seat (1 of 3) for Lexus GS 450h 2014:

+b2
Back
Cann
Canp
Computer data lines system
Dbcl
Drdc
Frv+
Frv-
Fwd
Gnd
Gnd2
Isr+
Isr-
J/c d34 (under driver's seat)
Left lumbar support motor (driver's seat)
Left position control ecu assembly (under driver's seat)
Left power seat pelvic support motor
Left power seat reclining motor (under driver's seat)
Left power seat shoulder support motor
Lft+
Lft-
Mr+
Mr-
Mre
O/p
Passive restraints system
Pel+
Pel-
Pele
Pnk
Rcl+
Rcl-
Red
Sgnd
Sld+
Sld-
Smr
Spel
Ssfv
Ssir
Sslb
Ssmr
Sspl
Ssrc
Ssrl
Ssrr
Ssrs
Swd1
Swd2
Swd3
Swd4
Swd5
Sws1
Sws2
Sws3
Sws4
Sysb
Ud1
Vcc
D1 (under driver's seat)

Driver"s Memory Seat Wiring Diagram, 18-Way Driver Seat (2 of 3) for Lexus GS 450h 2014

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List of elements for Driver"s Memory Seat Wiring Diagram, 18-Way Driver Seat (2 of 3) for Lexus GS 450h 2014:

Back
Becu
C33
C37
C46
Cann
Canp
Cls
Computer data lines system
D32
Down
Engine room r/b 1 (left side of engine compt)
F/l p/seat1 fuse 30a
F/l p/seat2 fuse 25a
Fwd
Gnd
Gnd1
Hot at all times
Hot w/ lh-ig1 1 relay energized
Left cowl side j/b (left end of dash)
Left front power seat switch assembly
Left power seat cushion motor
Left power seat lift motor
Lh-ig fuse 10a
Main body ecu
Mpx-b fuse 10a
N13
N3 (under center console)
Nu1
O/p
Pnk
Red
Spr
Ud1
Vcc

Driver"s Memory Seat Wiring Diagram, 18-Way Driver Seat (3 of 3) for Lexus GS 450h 2014

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List of elements for Driver"s Memory Seat Wiring Diagram, 18-Way Driver Seat (3 of 3) for Lexus GS 450h 2014:

(in left front door) left front multiplex network door ecu
Back
Cann
Canp
Computer data lines system
Cpub
Down
Fwd
Gnd
Isr+
Isr-
Isre
Left power seat side support motor
Left power seat slide motor (under driver's seat)
Left power seat tilt motor
Left seat memory switch
Mmry
Mswe
O/p
Pnk
Q19
Qu1
Red
Set
Sisr
U1 (under driver's seat)

Memory Mirrors Wiring Diagram for Lexus GS 450h 2014

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List of elements for Memory Mirrors Wiring Diagram for Lexus GS 450h 2014:

(w/ retractor mirror) mirror auto retract switch
12v
A18
A39
A56
A64
Bcut
Bdr
Blindspot monitor
Bsl+
Bsr+
C12
C23
C25
C28
C40
C42
C46
Cann
Canp
Computer data lines system
Cpbj
Cpub
D32
Ec mirror
Ec+
Ec-
Eci +
Eci -
Engine room r/b 1 (left side of engine compt)
Fl door fuse 30a
Footwell
Fr door fuse 30a
Gnd
Horizontal
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Hsrl
Hsrr
Left cowl side j/b (left end of dash)
Left front multiplex network door ecu (in left front door)
Left outer rearview mirror assembly
Lh-ig fuse 10a
Lin1
Lin2
Lines system computer data
Main body ecu
Mirror adjust switch
Mirror auto retract switch (w/ retractor mirror)
Mirror heater
Mirror l select switch
Mirror r select switch
Mirror r/l select switch
Mirror retract switch (w/ retractor mirror)
Mirrors system
Mlp
Mpx-b fuse 10a
Mswe
Multiplex network master switch assembly
N13
P/w-b fuse 5a
Pnk
Q18
Q19
Qt1
Qu1
Red
Retractor/ normal
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front multiplex network door ecu (in right front door)
Right outer rearview mirror assembly
Seat memory switch
Set
Sgnd
Sig
T1 (under front passenger seat)
Turn
U1 (under driver's seat)
Vertical
Vsrl
Vsrr
W/ retractable mirror
Z10
Z11

Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus GS 450h 2014

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List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Lexus GS 450h 2014:

(base of left kick panel) n1
(left center of dash) n6
(transmission) shift lever position sensor
+b1
+b2
A1 (left rear of engine compt)
A35
A36
A54
Af1
Ca1h
Ca1l
Canh
Canl
Cann
Canp
Certification ecu (right end of dash)
Computer data lines system
Ecub
Engine room r/b 1 (left side of engine compt)
Gnd
Gnd2
Hot at all times
Hot w/ lh-ig1 1 relay energized
Igct 1 fuse 30a
Igct 5 fuse 7.5a
Igct relay
Left cowl side j/b (left end of dash)
Left front multiplex network door ecu (in left front door)
Left seat memory switch
Lh-ig fuse 10a
Mpx-b fuse 10a
Mrel
Msw
Mswe
Multiplex tilt & telescopic ecu (on steering column)
N1 (base of left kick panel)
N25
N37
N92
N95
Pnk
Power management control ecu (right end of dash)
Psft
Q19
Qu1
Red
Set
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 (under left side of dash)
Tilt up
Tim+
Tim-
Tis
U1 (under driver's seat)
Vce
Vci

Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

(under front passenger's seat) t1
+b2
A64
C35
C38
Cann
Canp
Computer data lines system
Down
Engine room r/b 1 (left side of engine compt)
F/r p/seat1 fuse 30a
F/r p/seat2 fuse 25a
Gnd
Gnd2
Hot at all times
Hot w/ rh-ig1 1 relay energized
J/c c34 (under front passenger's seat)
Ldwn
Lup
Mpx-b fuse 10a
Mr+
Mr-
Mrg
Pnk
Rdwn
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front power seat switch assembly
Right lumbar support motor
Right position control ecu (under front passenger's seat)
Right power seat cushion motor
Right power seat lift motor
Right power seat shoulder support motor
Right power seat tilt motor
Rup
Set
Sgnd
Smr
Ssfv
Ssir
Sslb
Ssmr
Sspl
Ssrc
Ssrl
Ssrr
Ssrs
Swd1
Swd2
Swd3
Swd4
Swd5
Sws1
Sws2
Sws3
Sws4
Sysb
Tc2
Vcc

Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

Back
Cann
Canp
Computer data lines system
Frv+
Frv-
Fwd
Gnd
Isr+
Isr-
Isrg
Lft+
Lft-
Mr+
Mr-
Mswe
Pel+
Pel-
Pelg
Pnk
Qt1
Rcl+
Rcl-
Red
Right front multiplex network door ecu (in right front door)
Right position control ecu (under front passenger's seat)
Right power seat pelvic support motor
Right power seat reclining motor (right front seat)
Right power seat side support motor
Right power seat slide motor (under right front seat)
Right seat memory switch
Set
Sisr
Sld+
Sld-
Spel
T1 (under front passenger seat)
Vcc

NAVIGATION

Blind Spot Monitoring Wiring Diagram for Lexus GS 450h 2014

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List of elements for Blind Spot Monitoring Wiring Diagram for Lexus GS 450h 2014:

1) left turn 2) left lane change 3) neutral 4) right lane change 5) right turn
5v ic
5v+b
A24
A25
A49
A57
A58
B17
Blb
Blgd
Blind spot monitor
Blind spot monitor buzzer (under center of rear parcel shelf)
Brb
Brgd
Bsl+
Bsmi
Bsr+
Bssw
Buz
C36
Ca1n
Ca1p
Ca2n
Ca2p
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Cr1
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Gnd
Gnd1
Headlight dimmer switch assembly
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Hot w/ rr-ig1 1 relay energized
I/f
Ig+
Integration control & panel assembly
J/c t44 & t45 (right "c" pillar)
J/c u52 & u53 (left "c" pillar)
Led driver
Left blind spot monitor sensor (behind left end of rear bumper)
Left cowl side j/b (left end of dash)
Left front multiplex network door ecu (in left front door)
Left outer rear view mirror assembly
Lh ecu-ig fuse 10a
Lh-ig fuse 10a
Luggage room j/b 1 (left side of luggage compt)
N1 (base of left kick panel)
N35
N39
N40
N6 (left center of dash)
Na2
Nt2
Omil
Omir
Pnk
Q19
Qt1
Qu1
Red
Right blind spot monitor sensor (behind right end of rear bumper)
Right front multiplex network door ecu (in right front door)
Right outer rear view mirror assembly
Rr-ig1 fuse 5a
T1 (under front passenger seat)
T2 (right "c" pillar)
T44
T45
Telltales
Tl1
Tl2
Tr1
Tr2
Turn switch
U1 (under driver's seat)
U2 (left "c" pillar)
U52
U53
Ut1
Windshield wiper switch assembly
Z10
Z11

Navigation Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for Navigation Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

(center of dash) (usa) antenna divider
(except usa) roof antenna assembly
(right "c" pillar) (w/o navigation) amplifier antenna assembly
(right side of dash) (except usa) navigation antenna assembly
(usa) antenna cord sub-assembly 2
+b1
A15
A16
A45
A62
Acc fuse 7.5a
Acc1
Air
Aron
Au1
Au2
Ca+
Canh
Canl
Cgnd
Cnh1
Cnl1
Computer data lines system
Door locks system
Eau
Gnd1
Gps1
Gps2
Gpsn1
Gpsn2
Gvif
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Ill+
Ill-
Instrument cluster system
Interior lights system
Left cowl side j/b (left end of dash)
Left steering pad switch
Lh-ig fuse 10a
Macc
Min+
Min-
Mode
Multi- media fuse 10a
Multi-media module receiver assembly
N143
N149
N31
N4 (under center console)
N68
Nca
Night view ecu (right side of luggage compt)
Off hook
On hook
Pnk
Red
Rh acc relay
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Right steering pad switch
Roof antenna assembly
Seek+
Seek-
Seuc
Sgnd
Shield
Sns2
Spd
Spiral cable sub-assembly (in steering column)
Steering pad switch assembly
Sw1
Sw2
Swg
T50
Tn3
Tx2+
Tx2-
Tx3+
Tx3-
Vmtf
Voice
Voice return
Volume +
Volume -
W/ lexus enform
W/o lexus enform

Navigation Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for Navigation Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

(right "c" pillar) j/c t44 & t45
(right end of dash) (w/ lexus enform) dcm (telematics transceiver)
(w/ navigation) accessory meter assembly (w/o navigation) multi-display
+b2
Acc
Cb+
Cgnd
Computer data lines system
Curt
Cv+
Cv-
Engine room r/b 1 (left side of engine compt)
Gnd
Gnd1
Gvif
Hot at all times
Ill
Ill+
Ill-
Interior lights system
Lights system interior
Lines system computer data
Mci+
Mci-
Mco+
Mco-
Mcvd
Mi+
Mi-
Mo+
Mo-
Mute
N145
N150
N151
N152
N153
N6 (left center of dash)
N62
N87
Na3
Pnk
Rear television camera (center rear of luggage compt lid)
Red
Remote operation switch
Sgnd
Shield
Spi+
Spi-
T4 (front right side of luggage compt)
T44
T45
Tn1
Tv fuse 7.5a
Tx+
Tx-
Tx1+
Tx1-
Usb
Usbg
Usbv
Vmti
Vor+
Vor-
Vot+
Vot-
W/ navigation
W/o navigation
Wui
Wuo
At1

Navigation Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for Navigation Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

Acc
Adpg
Agnd
Alo
Aro
Asgn
Auxo
Exterior lights system
Gnd
Gnd2
Haz
Hazard switch, security indicator, a/c switch, front window deicer switch, rear window defogger switch & passenger airbag on/off indicator
Hfl
Ljb
Macc
Map light assembly
Mco+
Mco-
Mcsg
Microphone
Multi-media module receiver assembly
N138
N146
N147
N148
N54
N66
N69
Nn2
Ny2
Pnk
Red
Shield
Sns2
Speaker
Stereo jack adapter assembly
Tn2
Udo+
Udo-
Ugd1
Ujsg
Upi
Us1+
Us1-
Usb
Usbg
Usbv
Usv1
Va-
Val+
Var+
Vor+
Vor-
Vot+
Vot-
W/ lexus enform
W/o lexus enform
Y11
Yt1

Navigation Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for Navigation Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

(17 speaker)
(17 speaker) left rear header speaker assembly
(17 speaker) right rear header speaker assembly
(front right side of luggage compt)
(pins: 13 to 20 not used)
+b2
+tw
-tw
Ctr+
Ctr-
Fl+
Fl-
Fr+
Fr-
Front speaker assembly 3
Gnd
Gnd2
Hot at all times
Instrument cluster system
Left front speaker assembly 1
Left front speaker assembly 2
Left rear speaker assembly
Left rear speaker assembly 2
Mcg
Mci+
Mci-
Mi+
Mi-
Mo+
Mo-
Nu1
Pnk
Qt1
Qu1
Rad 1 fuse 30a
Rad 2 fuse 30a
Rear speaker assembly 3
Red
Right cowl side j/b (right end of dash)
Right front speaker assembly 1
Right front speaker assembly 2
Right rear speaker assembly
Right rear speaker assembly 2
Rl+
Rl-
Rr+
Rr-
Rt1
Ru1
Shield
Sl+
Sl-
Sldi
Sldo
Spd
Speaker
Sr+
Sr-
Stereo component amplifier (right rear corner of luggage compt)
T40
T41
T49
Tmut
Tn1
Tu1
Ut1
W/ lexus enform
W/o lexus enform
Wf1+
Wf1-
Wfl+
Wfl-
Wfr+
Wfr-
Wui

Object Detection Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Object Detection Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

A18
A23
A24
A48
A57
A58
Ca1n
Ca1p
Ca2h
Ca2l
Cchg
Ccs
Computer data lines system
Cruise control system
D12
D15
D17
D22
D26
Driving support ecu (left end of dash)
Gnd
Hitp
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Ic1
Ic2
Igb
J/c a51 (upper left end of dash)
J/c n123 (left side of dash)
Lane recognition camera sensor assembly (top center of windshield)
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
Lh-ig2 fuse 10a
N1 (base of left kick panel)
N3 (under center console)
N35
N6 (left center of dash)
Ny1
Pbsw
Pre-collision system cancel switch (pre-crash system cancel switch assembly)
Red
Right cowl side j/b (right end of dash)
Spsw
St1-
Stop fuse 7.5a
Stop light switch (brake pedal bracket)
Stp-
Tl2
Tr2
Wash
Windshield wiper switch assembly
Wip2
Wiper/washer system
Wnkl
Wnkr

Object Detection Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Object Detection Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

(base of left kick panel) n1
(combination meter
5v ic
5v+b
A55
B14
Can i/f
Canh
Canl
Cb+
Cgnd
Combination meter assembly
Computer data lines system
Cpu
Cv+
Cv-
Driver display
Driver monitor camera (on steering column)
Driver monitor ecu assembly (left end of dash)
Engine room r/b 1 (left side of engine compt)
Gauge fuse 10a
Gnd
Gnd5
Headup display
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
I/f
Ig+
Ig5
J/c n123 (left side of dash)
Led driver
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Map light assembly
Mirror ecu)
N40
N6 (left center of dash)
Na2
Nn1
Np1
Ny1
Red
Shield
Speaker
Telltales
Tx+
Tx-
Y11

Rear Sonar Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Rear Sonar Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

A43
A45
Ad1
Back sonar or clearance sonar switch assembly
Cbz
Clearance warning ecu (left end of dash)
Clsw
Computer data lines system
Ecu
Hot w/ lh-ig1 1 relay energized
Ill+
Ill-
Interior lights system
J/c n123 (left side of dash)
Left front center ultrasonic sensor (behind left center of front fascia)
Left front ultrasonic sensor (behind left end of front fascia)
Left rear ultrasonic sensor (behind left end of rear fascia)
Left side cowl j/b (left end of dash)
Lh-ig fuse 10a
N1 (base of left kick panel)
Na2
Pnk
Red
Right front center ultrasonic sensor (behind right center of front fascia)
Right rear center ultrasonic sensor (behind right center of rear fascia)
Right rear ultrasonic sensor (behind right end of rear fascia)
Un1
Bu1

Rear Sonar Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Rear Sonar Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

5v ic
A35
A36
Af1
Ca3n
Ca3p
Can i/f
Canh
Canl
Clearance warning buzzer 1 (lower left center of dash)
Combination meter assembly
Computer data lines system
Cpu
Display driver
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Hot w/ ig2 relay energized
Ig+
Led driver
Left rear center ultrasonic sensor (behind left center of rear fascia)
N40
N6 (left center of dash)
N92
Na2
Power management control ecu (right end of dash)
Psft
Red
Right front ultrasonic sensor (behind right end of front fascia)
Shift lever position sensor (transmission)
Telltales

Telematics Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Telematics Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

(right side of dash) (except usa) navigation antenna assembly
A11
A24
A32
Acc
Antenna cord sub-assembly 2 (usa)
Antenna divider (usa) (center of dash)
Canh
Canl
Computer data lines system
Dcm (hv) fuse 7.5a
Dcm (telematics transceiver) (right end of dash)
Engine room r/b 1 (left side of engine compt)
Fr+
Fr-
Gauge fuse 5a
Gps1
Gps2
Gpsd1
Gpsd2
Gsw
Hot at all times
Hot w/ ig2 relay energized
Ig2
Ig2 1 fuse 5a
Ill+
Ind1
Ind2
Interior lights system
Luggage room j/b 1 (left side of luggage compt)
Mci+
Mci-
Mco+
Mco-
Mcvd
Min+
Min-
Multi-media module receiver assembly
Mute
N140
N144
N145
N146
N68
N87
Na1
Na2
Nca
Ny2
Pnk
Red
Right cowl side j/b (right end of dash)
Right front speaker assembly 2
Roof antenna assembly
Sgnd
Shield
Sig-
Sig1
Sil
Sled
Sns2
Spdp
Spi+
Spi-
Spo+
Spo-
Stereo component amplifier (right rear corner of luggage compt)
T40
Tel1
Tel2
Tmut
Tn1
Un1
Usb
Usbg
Usbv
Vor+
Vor-
Vot+
Vot-

Telematics Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Telematics Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

5v ic
A14
A16
A46
A47
Acc fuse 7.5a
Ca1h
Ca1l
Can if
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Gnd3
Green
Hot at all times
Ig+
Ind1
Ind2
J/c n125 (left side of dash)
Led driver
Macc
Map light assembly
Mco+
Mco-
Microphone
N40
N6 (left center of dash)
N7 (base of right kick panel)
Na1
Ny2
Pnk
Red
Rh acc relay
Right cowl side j/b (right end of dash)
Rrid
Sig1
Skid control ecu assembly (left rear of engine compt)
Sns2
Sos switch
Sp1
Telltales
Y11

Vehicle Proximity Notification Wiring Diagram for Lexus GS 450h 2014

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List of elements for Vehicle Proximity Notification Wiring Diagram for Lexus GS 450h 2014:

5v ic
A14
A16
Af1
Altb
At1
Becu
C14
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
D32
Engine oil pressure switch assembly (lower left front of engine)
Engine room r/b 1 (left side of engine compt)
Exterior lights system
Gauge fuse 5a
Gnd
Gnd1
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
J/c n125 (left side of dash)
J/c n128 (right side of dash)
J/c t44 & t45 (right "c" pillar)
Left cowl side j/b (left end of dash)
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Main body ecu
Mpx-b fuse 10a
N12
N3 (under center console)
N40
N6 (left center of dash)
Na1
Na2
Nt1
Opsw
Pnk
Prst
Red
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Sftp
Skid control ecu assembly (left rear of engine compt)
Sp+
Sp-
Sp1
Spd
Stp
T2 (right "c" pillar)
T44
T45
Vehicle approaching speaker assembly (under right headlight assembly)
Vehicle approaching speaker controller (right side of luggage compt)

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Lexus GS 450h 2014

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List of elements for Passive Restraints Wiring Diagram for Lexus GS 450h 2014:

(left "c" pillar) u2
(right "c" pillar) t2
(under driver's seat) u1
(under front passenger's seat) t1
(w/ 18-way seat position memory: under driver's seat) (w/ 18-way seat position memory) left position control ecu assembly (w/ 10-way seat position memory) left front power seat switch assembly
10-way seat
18-way seat position memory
A51
Buckle switch
C30
C37
C41
Drdc dbcl d5
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Hot w/ rr-ig1 1 relay energized
J/c c34 (under front passenger's seat)
J/c d34 (under driver's seat)
J/c t44 & t45 (right "c" pillar)
J/c u52 (left "c" pillar)
Left cowl side j/b (left end of dash)
Left front seat inner belt assembly (right side of driver's seat)
Left front seat outer belt assembly (base of left front "b" pillar)
Left rear seat 3 point type outer belt assembly (left rear "c" pillar)
Left rear seat inner w/ center belt assembly (under center of rear seat)
Lh-ig fuse 10a
Luggage room j/b 1 (left side of luggage compt)
Position memory
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front seat inner belt assembly (under front passenger's seat)
Right front seat outer belt assembly (base of right front "b" pillar)
Right rear seat 3 point type outer belt assembly (right rear "c" pillar)
Right rear seat inner w/ center belt assembly (under center of rear seat)
Rr ecu-ig fuse 10a
T10
T27
T44
T45
Tc2
U24
Ud1
D16

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (1 of 7) for Lexus GS 450h 2014:

(left end of dash) left cowl side j/b
(left side of engine compt) engine room j/b 1
(left side of engine compt) engine room r/b 1
(right end of dash) right cowl side j/b
A18
A41
A64
Abs 2 fuse 30a
Abs main 1 fuse 10a
Abs main 2 fuse 10a
Alt
Anti-lock brakes system
Batt
Battery
Becu
C23
C32
C33
C35
C46
D/c cut fuse 30a
D32
Dc/dc fuse 150a
Dome fuse 7.5a
Door locks & anti-theft systems
Ecu-b fuse 7.5a
Electronic power steering system
Eng r/b-b fuse 220a
Engine controls system
Engine room j/b 1 (left side of engine compt)
Epb fuse 30a
Eps fuse 80a
Eps-b fuse 10a
Etcs fuse 10a
From igct 1 d
Fuse (diagram 1 of 7)
Fusible link block (left rear of luggage compt)
H-lp lo fuse 30a
Headlights system
Horn fuse 10a
Horns system
Igct 1 fuse 30a
Integration relay
Interior lights system
Inv w/p fuse 10a
Lug j/b-b fuse 40a
Main body ecu
Memory systems
Mpx-b fuse 10a
Ods fuse 5a
Oil pmp fuse 60a
Oil pump relay
P/i dc/dc fuse 100a
P/i-b 1 fuse 50a
Pnk
Power windows, door locks, anti-theft & memory systems
Power windows, instrument cluster, door locks, computer data lines, anti-theft, memory, mirrors, seats, navigation & sound systems
Red
Rh j/b dc/dc fuse 80a
Shift interlock system
Sounds & navigation systems
To abs main 2 fuse (diagram 1 of 7)
To lh j/b-b fuse (diagram 2 of 7)
To lug j/b dc/dc fuse (diagram 2 of 7)
To luggage room j/b 1 (diagram 6 of 7)
To right cowl side j/b (diagram 3 of 7)
Trunk, tailgate, fuel doors system
Tv fuse 7.5a

Power Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (2 of 7) for Lexus GS 450h 2014:

(left side of engine compt) engine room j/b 1
(left side of engine compt) engine room r/b 1
(not used)
(right end of dash) right cowl side j/b
A/f relay
A1 (left rear of engine compt)
A15
A16
A20
A36
A50
A6 (left end of dash)
Accd
Air bag fuse 10a
Am2 fuse 7.5a
Am21
Am22
B1 (right front of engine compt)
Ba2
C12
C47
Certification ecu
Cooling fans & air conditioning systems
D24
Deicer fuse 25a
Deicer relay
Door locks, anti-theft, memory & power windows systems
Efi main fuse 25a
Efi main1 relay
Efi main2 relay
Engine controls system
Fan 1 fuse 80a
Filter fuse 10a
Fr door fuse 30a
From d/c cut e
From dc/dc b
Fuse (diagram 1 of 7)
Ig1d
Ig2 main fuse 20a
Ig2 relay
Ig2d
Ign fuse 10a
Inj fuse 10a
Inj relay
J/c a53 (left side of engine compt)
Lh j/b dc/dc fuse 50a
Lh j/b-b fuse 40a
Lug j/b dc/dc fuse 80a
Multimedia fuse 10a
N7 (base of right kick panel)
N91
N92
N94
P/i-b 2 fuse 80a
Pnk
Power management control ecu
Power switch
Power windows system
Rad 1 fuse 30a
Rad 2 fuse 30a
Red
Rh j/b-b fuse 40a
Rr door fuse 30a
Sound & navigation systems
Ss1
Ss2
Ssw1
Ssw2
To engine room r/b 1 (diagram 4 of 7)
To h-lp cln fuse (diagram 4 of 7)
To left cowl side j/b (diagram 4 of 7)
To left cowl side j/b (diagram 7 of 7)
To luggage room j/b 1 (diagram 6 of 7)
To right cowl side j/b (diagram 3 of 7)
Wiring harness condenser assembly 2 (right front of engine compt)

Power Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (3 of 7) for Lexus GS 450h 2014:

(not used)
(right end of dash) right cowl side j/b
A12
A19
A25
A38
A40
A41
A42
A45
A46
A62
Acc fuse 7.5a
Air conditioning system
Anti-lock brakes system
Avs fuse 20a
B12
B18
C13
C14
C15
Computer data lines system
D28
Electronic suspension system
F/r p/seat1 fuse 30a
F/r p/seat2 fuse 25a
Fr p/outlet fuse 15a
Fr pwr outlet relay
From engine room j/b 1 (diagram 1 of 7)
From power management control ecu (diagram 2 of 7)
Instrument cluster system
Instrument cluster, engine controls, transmissions, sound, navigation & body computer systems
Memory systems
N6 (left center of dash)
N7 (base of right kick panel)
Navigation system
Obd fuse 7.5a
Pnk
Power outlet socket assembly
Rear power outlet socket assembly 2 (w/o voltage inverter)
Rh acc relay
Rh ecu-ig fuse 10a
Rh-ig1 relay 1
Rh-ig1 relay 2
Rr p/outlet fuse 15a
Rr pwr outlet relay
Seats & memory systems
Seats system
Sound & navigation systems
Sound, navigation & seats systems
Strg htr fuse 15a
T2 (right "c" pillar)
To left cowl side j/b (diagram 4 of 7)
To rh-ig fuse (diagram 5 of 7)
Wash fuse 20a
Wiper/washer system

Power Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (4 of 7) for Lexus GS 450h 2014:

(left end of dash) left cowl side j/b
(left side of engine compt) engine room r/b 1
(not used)
A/c w/p fuse 7.5a
A35
A37
A39
A40
Abs 1 fuse 30a
Abs main 3 fuse 10a
Air conditioning system
Anti-lock brakes system
Anti-lock brakes, air conditioning & cooling fans systems
C13
Cruise control system
D14
D15
Electronic power steering & anti-lock brakes systems
Fl s/htr fuse 10a
From engine k
From engine room r/b 1 (diagram 2 of 7)
From filter j
From right cowl side j/b (diagram 3 of 7)
Fuse (diagram 2 of 7)
Gauge fuse 5a
H-lp cln fuse 30a
Headlights system
Htr fuse 50a
Ig2 1 fuse 5a
Instrument cluster system
Lh ecu-ig fuse 10a
Lh-ig1 relay 1
Lh-ig1 relay 2
N3 (under center console)
Navigation & computer data lines systems
Nv-ir fuse 10a
Ptc 1 fuse 50a
Ptc 2 fuse 50a
Red
Room j/b 1 (diagram 2 of 7)
Seats & navigation systems
Seats system
Shift interlock system
To lh-ig fuse (diagram 5 of 7)
To luggage room j/b 1 (diagram 6 of 7)
To ti & te fuse (diagram 7 of 7)
Wiper fuse 30a
Wiper-ig fuse 5a
Wiper/ washer system
Wiper/washer system

Power Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (5 of 7) for Lexus GS 450h 2014:

(left end of dash) left cowl side j/b
(not used)
(right end of dash) right cowl side j/b
A20
A21
A43
A44
A45
A53
A54
A55
Air conditioning system
B13
B14
B19
B20
Body computer, wiper/washer & air conditioning systems
C30
C36
C37
C38
C39
C40
C41
Computer data lines systems
D29
D30
D32
Door locks, warning, anti-theft & memory systems
From rh-ig1 q
From wiper-ig fuse (diagram 4 of 7)
Headlights system
Instrument cluster system
Lh-ig fuse 10a
Main body ecu
Memory systems
Memory, power windows, door locks & anti-theft systems
Navigation
Navigation & sound systems
Navigation system
Passive restraints system
Power tops, mirrors, interior lights & wiper/washer systems
Power windows, door locks, anti-theft & memory systems
Red
Rh-ig fuse 10a
Rly1 relay (diagram 3 of 7)
Seats system
Shift interlock system
System
Warning systems
Wiper/ washer system

Power Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (6 of 7) for Lexus GS 450h 2014:

(left side of luggage compt) luggage room j/b 1
(not used)
A10
A16
A20
A24
A25
A26
A32
A33
A38
A46
A47
A48
A49
A51
A52
A53
A54
A55
A60
A62
Ac inv (hv) fuse 20a
Ac inv (hv) relay
Ac1
Ac2
Acc1
Acc2
Air conditioning, seats, sound & navigation systems
Au2
B14
B18
Backup fuse 7.5a
Backup relay
Batt fan (hv) fuse 20a
Batt fan (hv) relay
Cruise control system
Dc/dc-s (hv) fuse 7.5a
Dcm (hv) fuse 7.5a
Ecu-b 3 fuse 7.5a
Electronic power steering system
Engine controls system
Eps-ig fuse 5a
Fr s/htr fuse 10a
From engine room r/b 1 (diagram 2 of 7)
From fusible link block (diagram 1 of 7)
From left cowl side j/b (diagram 4 of 7)
From ptl fuse (diagram 6 of 7)
Gnd
J/c u52 (left "c" pillar)
Navigation system
Passive restraints system
Pnk
Psb fuse 30a
Ptl fuse 25a
Rear power outlet socket assembly 2 (w/ voltage inverter)
Red
Rr ecu-ig fuse 10a
Rr j/b-b fuse 10a
Rr s/htr fuse 20a
Rr-ig1 fuse 5a
Rr-ig1 relay 1
Rr-ig1 relay 2
Seats system
Security fuse 7.5a
Security horn relay
Shift interlock system
To ac inv (hv) relay (diagram 6 of 7)
Trk opn fuse 7.5a
Trunk, tailgate, fuel doors, system
U3 (left "c" pillar)
Ux1
Ux2
Voltage inverter (top center of hv battery assembly)
Warning, door locks & anti-theft systems

Power Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2014

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List of elements for Power Distribution Wiring Diagram (7 of 7) for Lexus GS 450h 2014:

(left end of dash) left cowl side j/b
A/c fuse 7.5a
A10
A14
A61
Air conditioning system
Altb
Anti-lock brakes system
B21
C11
C25
C35
Capacitor (hv) fuse 10a
D/l 1 fuse 25a
D/l 2 fuse 25a
D12
D24
D25
D26
Engine controls cruise control & exterior lights systems
Engine controls system
Engine controls, shift interlock, door locks & anti-theft systems
Exterior lights, anti-lock brakes, cruise control, transmissions, engine controls & shift interlock systems
F/l p/seat1 fuse 30a
F/l p/seat2 fuse 25a
Fl door fuse 30a
From engine room j/b 1 (diagram 2 of 7)
From engine room r/b 1 (diagram 2 of 7)
From lh-ig1 r relay 1 (diagram 4 of 7)
Haz fuse 15a
Instrument cluster & exterior lights systems
Lh j/b-b fuse 7.5a
Lh-ig2 fuse 10a
Main body ecu
Memory systems
Memory, door locks, anti-theft & power windows systems
Memory, power windows, door locks & anti-theft systems
P/w-b fuse 5a
Power change relay
Power tops system
Power windows system
Red
Rl door fuse 30a
S/roof fuse 20a
Shift interlock system
Stop fuse 7.5a
Strg lock fuse 15a
Ti & te fuse 20a

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (1 of 8) for Lexus GS 450h 2014:

A1 (left rear of engine compt)
A11
A13
A27
A28
A33
A46
Act+
Act-
Actd
Actg
All door lock relay
Altb
Bzr
C10
C12
C17
C30
C40
C44
Cann
Canp
Computer data lines system
D door unlock relay
D/l 1 fuse 25a
D/l 2 fuse 25a
D10
D11
D27
D28
Domr
Exterior lights system
Flcy
Frcy
Gnd1
Gnd2
Hcty
Headlights system
Horn
Horns system
Hot at all times
Hot w/ ig2 relay energized
Hrly
Ile
Interior lights system
J/c a53 (left side of engine compt)
L/d door unlock relay
Lcty
Left cowl side j/b (left end of dash)
Left rear door courtesy light switch assembly (left rear "c" pillar)
Lgcy
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lsfl
Lsfr
Lswl
Lswr
Luggage door opening cancel switch switch assembly
Luggage door opening switch assembly
Main body ecu (left end of dash)
N1 (base of left kick panel)
N11
N12
N13
N3 (under center console)
N7 (base of right kick panel)
Nt1
Nu1
Pnk
Power change relay
Prg
Qu1
Rcty
Rda
Red
Right rear door courtesy light switch assembly (right rear "c" pillar)
Sscl
Tkul
Tmsw
Tr+
Trly
Tsw
Wireless door lock buzzer (left rear corner of engine compt)

Power Door Locks Wiring Diagram (2 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (2 of 8) for Lexus GS 450h 2014:

A18
A33
A34
A61
At1
B2 (left front of engine compt)
Ba2
C18
C46
D18
D32
Ecu-b fuse 7.5a
Engine hood courtesy switch (front center of engine compt)
Engine room r/b 1 (left side of engine compt)
Hot at all times
Left cowl side j/b (left end of dash)
Left front door courtesy light switch assembly (left front "b" pillar)
Left rear door lock assembly (rear of left rear door)
Luggage compartment door lock assembly (w/o power trunk opener & closer) (center rear of luggage compt lid)
Luggage room j/b 1 (left side of luggage compt)
Mpx-b fuse 10a
N7 (base of right kick panel)
Na1
Nt1
Nu1
Pnk
Red
Right cowl side j/b (right end of dash)
Right front door courtesy light switch assembly (right front "b" pillar)
Ru1
T4 (front right side of luggage compt)
Trk opn fuse 7.5a
Trk opn relay (w/o power trunk opener & closer)
Tu1
U1 (under driver's seat)
Unlock detection
At1

Power Door Locks Wiring Diagram (3 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (3 of 8) for Lexus GS 450h 2014:

(in left front door) left front multiplex network door ecu
12v
Abe
Bcut
Bdr
C12
C39
C40
Cann
Canp
Computer data lines system
Cont
Cpbj
Cpub
Detection unlock
Door lock & unlock switch
Door unlock switch sub assembly
Fr door fuse 30a
Gnd
Hot at all times
Hot w/ rh ig1 1 relay energized
J/c t44 & t45 (right "c" pillar)
Key lock
Kul
Left front door lock assembly (rear of left front door)
Lin2
Lswe
Multiplex network master switch assembly
Nt1
Nu1
Osce
Pnk
Q18
Q19
Q2 (left front door)
Qu1
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Sgnd
Sig
T4 (front right side of luggage compt)
T44
T45
Theft warning siren assembly (w/o security horn) (right side of luggage compt)
Tn1
U1 (under driver's seat)
Unlock key
At1

Power Door Locks Wiring Diagram (4 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (4 of 8) for Lexus GS 450h 2014:

(in right front door) right front multiplex network door ecu
A1 (left rear of engine compt)
A13
A14
A64
Abe
Bdr
C10
C11
C23
Cann
Canp
Computer data lines system
Cpub
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
Igct 1 fuse 30a
Igct 5 fuse 7.5a
Igct relay
Lswe
Na2
Nt1
Osce
Pnk
Q1 (right front door)
Qt1
Red
Right cowl side j/b (right end of dash)
Right front door lock assembly (rear of right front door)
Right rear door lock assembly (rear of right rear door)
Rt1
Sig
T1 (under front passenger seat)
Unlock detection

Power Door Locks Wiring Diagram (5 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (5 of 8) for Lexus GS 450h 2014:

(right end of dash) power management control ecu
(transmission) shift lever position sensor
5v ic
A14
A35
A36
Af1
Ca1h
Ca1l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Display drive
E12
Gnd
I/f
Ig+
Ig2
Ige
J/c n125 (left side of dash)
J/c n126 (left center of dash)
Led driver
Lin
Lin2
Mrel
N3 (under center console)
N40
N6 (left center of dash)
N91
N92
Na1
Pnk
Red
Right cowl side j/b (right end of dash)
Skid control ecu assembly (left rear of engine compt)
Slp
Slp1
Slr+
Sp1
Spdi
Speakers
Ssw1
Ssw2
Steering lock actuator assembly (on steering column)
Stp
Telltales

Power Door Locks Wiring Diagram (6 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (6 of 8) for Lexus GS 450h 2014:

(brake pedal bracket) stop light switch assembly
(upper left end of dash) j/c a51
A22
A63
Agnd
Antenna coil
B20
B21
C25
Cann
Canp
Code
Computer data lines system
D12
D15
D21
D26
Fl door fuse 30a
Gnd
Haf
Hot at all times
Hot w/ ig2 relay energized
J/c a11 (center rear of luggage compt lid)
J/c n128 (right side of dash)
Left cowl side j/b (left end of dash)
Lh-ig2 fuse 10a
Luggage closer motor assembly (w/ power trunk opener & closer) (left front of luggage compt)
Luggage compartment door lock assembly (w/ power trunk opener & closer) (center rear of luggage compt lid)
P/w-b fuse 5a
Pawl
Pnk
Power switch
Qu1
Red
Right cowl side j/b (right end of dash)
Ss1
Ss2
Stop fuse 7.5a
Strg lock fuse 15a
Swg
Swil
Txct
Ut1
Vc5
At1

Power Door Locks Wiring Diagram (7 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (7 of 8) for Lexus GS 450h 2014:

A15
A38
Ant1
Ant2
Ante7
Ante8
Antenna
Antenna amplifier assembly (right "c" pillar)
Asel
At1
Clgb
Csel
Data
Electrical key antenna indoor assembly 3 (center front of luggage compt)
Gnd
Hot at all times
J/b u52 (left "c" pillar)
J/c t44 (right "c" pillar)
Left front door outside handle assembly
Luggage room j/b 1 (left side of luggage compt)
Nca
Nt1
Nu2
Pnk
Prg
Qu1
Rda
Rear electrical key antenna (behind center of rear bumper)
Red
Rr j/b-b fuse 10a
Security fuse 7.5a
Security horn assembly (right side of engine compt)
Security horn relay (if equipped)
Sens
T2 (right "c" pillar)
T32
T51
Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly) (right side of luggage compt)
Trg+
Tu1
U3 (left "c" pillar)

Power Door Locks Wiring Diagram (8 of 8) for Lexus GS 450h 2014

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List of elements for Power Door Locks Wiring Diagram (8 of 8) for Lexus GS 450h 2014:

(base of right kick panel) n7
(rear of center floor console) electrical key antenna indoor assembly 1
Agnd
Ant1
Ant2
Ante5
Ante6
Asel
Canh
Canl
Certification ecu (right end of dash)
Cg1b
Cg2b
Cg3b
Cg4b
Cg5b
Cg6b
Cg7b
Cg8b
Clg1
Clg2
Clg3
Clg4
Clg5
Clg6
Clg7
Clg8
Clgb
Code
Computer data lines system
Csel
Cutb
Electrical key antenna indoor assembly 2 (under middle of rear seat)
Gnd
Ind
Left rear door outside handle assembly
Lin
Luggage electrical key switch
Multi-media module receiver assembly
N68
N94
N95
N98
Nt1
Nu1
Pnk
Pos1
Pos2
Pos3
Pos4
Qt1
Rco
Rdam
Red
Right front door outside handle assembly
Right rear door outside handle assembly
Rt1
Ru1
Security indicator
Sen1
Sen2
Sen3
Sen4
Sens
Seuc
Swil
T1 (under front passenger seat)
T4 (front right side of luggage compt)
Trg+
Tsw1
Tsw2
Tsw3
Tsw4
Tsw5
Txct
U1 (under driver's seat)
Vc5
At1

POWER MIRRORS

Power Mirrors Wiring Diagram for Lexus GS 450h 2014

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List of elements for Power Mirrors Wiring Diagram for Lexus GS 450h 2014:

(left center of dash) n6
+b2
+b3
A55
Ec mirror
Ec+
Ec-
Eci+
Eci-
Engine room r/b 1 (left side of engine compt)
Gnd
Gnd1
Hot at all times
Hot w/ lh-ig1 1 relay energized
Ig1
Inner rearview mirror assembly
J/c n123 (left side of dash)
Left cowl side j/b (left end of dash)
Left front multiplex network door ecu (in left front door)
Left outer rearview mirror assembly
Lh-ig fuse 10a
Map light assembly
Mpx-b fuse 10a
Nt1
Nu1
Ny1
Pnk
Q19
Qt1
Qu1
Red
Right front multiplex network door ecu (in right front door)
Right outer rearview mirror assembly
Z10
Z11

POWER SEATS

Climate Control Seats Wiring Diagram for Lexus GS 450h 2014

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List of elements for Climate Control Seats Wiring Diagram for Lexus GS 450h 2014:

A/c amplifier (center of dash)
A16
B13
Bbs
Bfb+
Canh
Canl
Computer data lines system
Ctb
Cushion center
Fl s/htr fuse 10a
Fr s/htr fuse 10a
Gnd
Gnd1
Gnd2
Hot w/ lh-ig1 2 relay energized
Hot w/ rh-ig1 1 relay energized
Hot w/ rr-ig1 2 relay energized
Ill+
Ill-
Interior lights system
J/c c34 (under front passenger's seat)
J/c d34 (under driver's seat)
Left cowl side j/b (left end of dash)
Left front seat heater assembly
Left seat back climate control blower (driver's seat back)
Left seat climate control blower
Left seat heater control
Lh bolster
Lin1
Lout
Luggage room j/b 1 (left side of luggage compt)
N7 (base of right kick panel)
N78
N80
Nt1
Nu1
Pnk
Red
Refreshing seat switch
Rh bolster
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front seat heater assembly
Right seat back climate control blower (front passenger's seat back)
Right seat climate control blower
Right seat heater control
Rout
Seat back
Seat cushion
Sg-3
Sg-4
Shd +
Shp+
Sign
Swl
T1 (under front passenger's seat)
Thl
Tsl
Tsr
Tu1
Tc2
U1 (under driver's seat)
Ud1

Heated Seats Wiring Diagram for Lexus GS 450h 2014

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List of elements for Heated Seats Wiring Diagram for Lexus GS 450h 2014:

A/c amplifier (center of dash)
A60
Acc
Acc fuse 7.5a
C15
Canh
Canl
Computer data lines system
Control
Engine room r/b 1 (left side of engine compt)
Ez1
Gnd
Hot at all times
Hot w/ rr-ig1 1 relay energized
Hot w/ rr-ig1 2 relay energized
Ig+
J/c e5 (under left side of rear seat)
J/c e6 (under right side of rear seat)
J/c t44 (right "c" pillar)
Left rear seat back heater assembly
Left rear seat heater assembly
Left seat heater
Luggage room j/b 1 (left side of luggage compt)
Mpx-b fuse 10a
N78
N80
Nt2
Pnk
Rear control switch
Red
Rh acc relay
Right cowl side j/b (right end of dash)
Right rear seat back heater assembly
Right rear seat heater assembly
Right seat heater
Rlin
Rr ecu-ig fuse 10a
Rr s/htr fuse 20a
Seat heater switch
Shde
Shpe
T2 (right "c" pillar)
T4 (front right side of luggage compt)
Te1
Tfal
Tfar
Tu1
W/ night view system
W/o night view system

Heated Steering Wheel Wiring Diagram for Lexus GS 450h 2014

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List of elements for Heated Steering Wheel Wiring Diagram for Lexus GS 450h 2014:

Heater control assembly
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 2 relay energized
Integration control & panel assembly
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
N32
N6 (left center of dash)
Right cowl side j/b (right end of dash)
Spiral cable (in steering column)
Steering heater
Steering wheel heater control assembly
Strg htr fuse 15a

Passenger Power Seat Wiring Diagram for Lexus GS 450h 2014

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List of elements for Passenger Power Seat Wiring Diagram for Lexus GS 450h 2014:

Down
F/r p/seat 1 fuse 30a
Fdwn
Front
Front vertical
Fup
Hot at all times
J/c c34 (under front passenger's seat)
Ldwn
Lifter
Lup
Pnk
Rclf
Rclr
Rear
Reclining
Red
Right cowl side j/b (right end of dash)
Right front lumbar power seat switch
Right front power seat switch assembly
Right lumbar support motor
Right power seat lift motor
Right power seat reclining motor
Right power seat slide motor
Right power seat tilt motor
Sldf
Sldr
Slide
T1 (under front passenger's seat)
Tc2

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Lexus GS 450h 2014

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List of elements for Power Top/Sunroof Wiring Diagram for Lexus GS 450h 2014:

5v ic
5v+b
A10
A28
A50
A55
Altb
Becu
C44
Can i/f
Canh
Canl
Close
Cls
Combination meter assembly
Computer data lines system
Control switch
Cpu
D32
Display driver
Down
Dwn
Engine room r/b 1 (left side of engine compt)
Flcy
Gauge fuse 5a
Gnd
Gnd1
Gnd2
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
I/f
Ig+
Ig3
Illb
Interior lights system
J/c n123 (left side of dash)
Led driver
Left cowl side j/b (left end of dash)
Left front door courtesy switch (left front "b" pillar)
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lill
Lin
Lin2
Main body ecu (left end of dash)
Map light assembly
Mpx-b fuse 10a
N1 (base of left kick panel)
N12
N13
N3 (under center console)
N40
N6 (left center of dash)
Na2
Ny1
Open
Opn
Pnk
Red
S/roof fuse 20a
Sliding roof
Sliding roof control ecu (sliding roof drive gear sub-assembly) (front of overhead console)
Sliding roof switch ind
Speaker
Telltales

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Lexus GS 450h 2014

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List of elements for Power Windows Wiring Diagram (1 of 2) for Lexus GS 450h 2014:

12v
A18
A39
A56
A64
Altb
Bcut
Bdr
Bdrj
Becu
C11
C12
C23
C25
C28
C29
C40
C41
C42
C44
C46
Canh
Canl
Computer data lines system
Control circuit
Cpbj
Cpub
D32
Door lock & unlock switch
Driver side auto switch
Driver side down switch
Driver side up switch
Engine room r/b 1 (left side of engine compt)
Fl door fuse 30a
Flcy
Fr door fuse 30a
Front passenger side power window switch
Gnd
Gnd1
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh ig1 1 relay energized
Key lock
Key unlock
Kul
Led
Left cowl side j/b (left end of dash)
Left front door lock assembly (rear of left front door)
Left front multiplex network door ecu (in left front door)
Left rear & right rear side power window switch
Left rear side power window switch
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lin1
Lin2
Lin3
Lswe
Main body ecu
Mpx-b fuse 10a
Multiplex network master switch assembly
N12
N3 (under center console)
P/w-b fuse 5a
Pnk
Power window switch driver side
Pwe
Q18
Q19
Qu1
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Right rear side power window switch
Rl door fuse 30a
Rr door fuse 30a
Sgnd
Sig
U1 (under driver's seat)
Window lock switch

Power Windows Wiring Diagram (2 of 2) for Lexus GS 450h 2014

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List of elements for Power Windows Wiring Diagram (2 of 2) for Lexus GS 450h 2014:

(left rear door) left rear power window regulator motor assembly
Auto
Bdr
Bdrj
Cpub
Dn1
Door locks system
Down
Down auto
Down manual
Down1
Dwn1
Gnd
Hall ic
Ill+
Ill-
Interior lights system
Led
Left front door courtesy light switch assembly (left "b" pillar)
Left front power window regulator motor assembly (left front door)
Left rear power window regulator switch assembly
Lin
Lin1
Lin3
Lock
Pnk
Pwe
Qt1
Red
Right front multiplex network door ecu (in right front door)
Right front power window regulator motor assembly (right front 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
Rt1
Ru1
Sgnd
Sig
T1 (under front passenger seat)
U1 (under driver's seat)
Unlock
Up auto
Up manual
Up1

Rear Window Sun Shade Wiring Diagram for Lexus GS 450h 2014

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List of elements for Rear Window Sun Shade Wiring Diagram for Lexus GS 450h 2014:

+b2
A17
A2 (left rear of engine compt)
A22
A35
A36
Af1
Alt
Altb
Au1
Becu
Ca1h
Ca1l
Canh
Canl
Computer data lines system
D32
E12
Ecu
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Front control switch
Gnd1
Gnda
Hot at all times
Hot w/ igct relay energized
Hot w/ lh-ig1 1 relay energized
Igct 5 fuse 7.5a
Ill+
Ill-
Integration relay
Interior lights system
J/c t44 (right "c" pillar)
Koff
Left cowl side j/b (left end of dash)
Lh ig fuse 10a
Lh j/b-b fuse 7.5a
Main body ecu
Mpx-b fuse 10a
N12
N3 (under center console)
N6 (left center of dash)
N92
Na1
Nu1
Nu2
P/i dc/dc fuse 100a
Pnk
Power management control ecu (right end of dash)
Psft
Rear control switch
Rear sunshade relay (rear window shade assembly) (under rear parcel shelf)
Rear sunshade switch
Rear sunshade switch assembly
Red
Rev
Rssh
Rsw
Shad
Shift lever position sensor (transmission)
T4 (front right side of luggage compt)
Te1
Ut1
Ez1

RADIO

Radio Wiring Diagram (1 of 4) for Lexus GS 450h 2014

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List of elements for Radio Wiring Diagram (1 of 4) for Lexus GS 450h 2014:

(center of dash) (usa) antenna divider
(except usa) roof antenna assembly
(right "c" pillar) (w/o navigation) amplifier antenna assembly
(right side of dash) (except usa) navigation antenna assembly
(usa) antenna cord sub-assembly 2
+b1
A15
A16
A45
A62
Acc fuse 7.5a
Acc1
Air
Aron
Au1
Au2
Ca+
Canh
Canl
Cgnd
Cnh1
Cnl1
Computer data lines system
Door locks system
Eau
Gnd1
Gps1
Gps2
Gpsn1
Gpsn2
Gvif
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Ill+
Ill-
Instrument cluster system
Interior lights system
Left cowl side j/b (left end of dash)
Left steering pad switch
Lh-ig fuse 10a
Macc
Min+
Min-
Mode
Multi- media fuse 10a
Multi-media module receiver assembly
N143
N149
N31
N4 (under center console)
N68
Nca
Night view ecu (right side of luggage compt)
Off hook
On hook
Pnk
Red
Rh acc relay
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Right steering pad switch
Roof antenna assembly
Seek+
Seek-
Seuc
Sgnd
Shield
Sns2
Spd
Spiral cable sub-assembly (in steering column)
Steering pad switch assembly
Sw1
Sw2
Swg
T50
Tn3
Tx2+
Tx2-
Tx3+
Tx3-
Vmtf
Voice
Voice return
Volume +
Volume -
W/ lexus enform
W/o lexus enform

Radio Wiring Diagram (2 of 4) for Lexus GS 450h 2014

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List of elements for Radio Wiring Diagram (2 of 4) for Lexus GS 450h 2014:

(right "c" pillar) j/c t44 & t45
(right end of dash) (w/ lexus enform) dcm (telematics transceiver)
(w/ navigation) accessory meter assembly (w/o navigation) multi-display
+b2
Acc
Cb+
Cgnd
Computer data lines system
Curt
Cv+
Cv-
Engine room r/b 1 (left side of engine compt)
Gnd
Gnd1
Gvif
Hot at all times
Ill
Ill+
Ill-
Interior lights system
Lights system interior
Lines system computer data
Mci+
Mci-
Mco+
Mco-
Mcvd
Mi+
Mi-
Mo+
Mo-
Mute
N145
N150
N151
N152
N153
N6 (left center of dash)
N62
N87
Na3
Pnk
Rear television camera (center rear of luggage compt lid)
Red
Remote operation switch
Sgnd
Shield
Spi+
Spi-
T4 (front right side of luggage compt)
T44
T45
Tn1
Tv fuse 7.5a
Tx+
Tx-
Tx1+
Tx1-
Usb
Usbg
Usbv
Vmti
Vor+
Vor-
Vot+
Vot-
W/ navigation
W/o navigation
Wui
Wuo
At1

Radio Wiring Diagram (3 of 4) for Lexus GS 450h 2014

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List of elements for Radio Wiring Diagram (3 of 4) for Lexus GS 450h 2014:

Acc
Adpg
Agnd
Alo
Aro
Asgn
Auxo
Exterior lights system
Gnd
Gnd2
Haz
Hazard switch, security indicator, a/c switch, front window deicer switch, rear window defogger switch & passenger airbag on/off indicator
Hfl
Ljb
Macc
Map light assembly
Mco+
Mco-
Mcsg
Microphone
Multi-media module receiver assembly
N138
N146
N147
N148
N54
N66
N69
Nn2
Ny2
Pnk
Red
Shield
Sns2
Speaker
Stereo jack adapter assembly
Tn2
Udo+
Udo-
Ugd1
Ujsg
Upi
Us1+
Us1-
Usb
Usbg
Usbv
Usv1
Va-
Val+
Var+
Vor+
Vor-
Vot+
Vot-
W/ lexus enform
W/o lexus enform
Y11
Yt1

Radio Wiring Diagram (4 of 4) for Lexus GS 450h 2014

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List of elements for Radio Wiring Diagram (4 of 4) for Lexus GS 450h 2014:

(17 speaker)
(17 speaker) left rear header speaker assembly
(17 speaker) right rear header speaker assembly
(front right side of luggage compt)
(pins: 13 to 20 not used)
+b2
+tw
-tw
Ctr+
Ctr-
Fl+
Fl-
Fr+
Fr-
Front speaker assembly 3
Gnd
Gnd2
Hot at all times
Instrument cluster system
Left front speaker assembly 1
Left front speaker assembly 2
Left rear speaker assembly
Left rear speaker assembly 2
Mcg
Mci+
Mci-
Mi+
Mi-
Mo+
Mo-
Nu1
Pnk
Qt1
Qu1
Rad 1 fuse 30a
Rad 2 fuse 30a
Rear speaker assembly 3
Red
Right cowl side j/b (right end of dash)
Right front speaker assembly 1
Right front speaker assembly 2
Right rear speaker assembly
Right rear speaker assembly 2
Rl+
Rl-
Rr+
Rr-
Rt1
Ru1
Shield
Sl+
Sl-
Sldi
Sldo
Spd
Speaker
Sr+
Sr-
Stereo component amplifier (right rear corner of luggage compt)
T40
T41
T49
Tmut
Tn1
Tu1
Ut1
W/ lexus enform
W/o lexus enform
Wf1+
Wf1-
Wfl+
Wfl-
Wfr+
Wfr-
Wui

SHIFT INTERLOCK

Park Brake Release Wiring Diagram for Lexus GS 450h 2014

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List of elements for Park Brake Release Wiring Diagram for Lexus GS 450h 2014:

5v ic
5v+b
A20
A39
A49
Auto
Becu
Ca2h
Ca2l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Ecu-b 3 fuse 7.5a
Electric parking brake switch assembly
Engine room r/b 1 (left side of engine compt)
Epb
Epb fuse 30a
Fusible link block (left rear of luggage compt)
Gauge fuse 5a
Gnd1
Gnd2
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Hot w/ rr-ig1 1 relay energized
I/f
Ic1
Ic2
Ig+
Ill+
Ill-
Ind+
Ind-
Interior lights system
Lck1
Lck2
Led driver
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
Lock
Lok1
Lok2
Lpa
Luggage room j/b 1 (left side of luggage compt)
Mpx-b fuse 10a
N1 (base of left kick panel)
N40
N6 (left center of dash)
Na2
Nca
Parking brake actuator (left rear of luggage compt)
Parking brake ecu (left side of luggage compt)
Parking light switch assembly
Pnk
Red
Rel1
Rel2
Release
Rls1
Rls2
Rr ecu-ig fuse 10a
Telltales
Tgnd
Tsen
Tsn2
U36
U37
U4 (front left side of luggage compt)
Un1

Shift Interlock Wiring Diagram for Lexus GS 450h 2014

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List of elements for Shift Interlock Wiring Diagram for Lexus GS 450h 2014:

(brake pedal bracket) stop light switch
(right end of dash) right cowl side j/b
A36
A59
Af1
B20
Ca1h
Ca1l
Computer data lines system
D12
D15
D17
Engine room r/b 1 (left side of engine compt)
Gnd
Hot at all times
Hot w/ igct relay energized
Hot w/ lh-ig1 1 relay energized
Ic1
Igct 5 fuse 7.5a
J/c a51 (upper left end of dash)
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
N1 (base of left kick panel)
N3 (under center console)
N92
P position detection switch
Pnk
Power management control ecu (right end of dash)
Red
Shift lever position sensor (transmission)
Shift lock control ecu (transmission floor shift assembly) (base of selector lever)
Shift lock solenoid
Sls+
Sls-
Stop fuse 7.5a
Stp

Steering Column Wiring Diagram for Lexus GS 450h 2014

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List of elements for Steering Column Wiring Diagram for Lexus GS 450h 2014:

A36
A63
B21
Ca1h
Ca1l
Certification ecu (right end of dash)
Computer data lines system
D26
E02
Gnd
Hot at all times
Hot w/ ig2 relay energized
Id code box (center of dash)
Ig2
Ige
J/c n126 (left center of dash)
J/c n128 (right side of dash)
Left cowl side j/b (left end of dash)
Lh-ig2 fuse 10a
Lin
Lin1
Lin2
N3 (under center console)
N6 (left center of dash)
N92
N95
Pnk
Power management control ecu (right end of dash)
Right cowl side j/b (right end of dash)
Slp
Slp1
Slr+
Steering lock actuator (on steering column)
Strg lock fuse 15a

SUPPLEMENTAL RESTRAINTS

Pre-Collision Wiring Diagram for Lexus GS 450h 2014

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List of elements for Pre-Collision Wiring Diagram for Lexus GS 450h 2014:

(base of left "b" pillar)
5v ic
A16
B12
Ba2
Ca1h
Ca1l
Ca1n
Ca1p
Ca2h
Ca2l
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Driving support ecu (left end of dash)
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Hot at all times
Hot in on or start
Hot w/ ig2 relay energized
Ig+
Ig1
Junction connector n131 (left end of dash)
Left front seat outer belt
Luggage room j/b 1 (left side of luggage compt)
Millimeter wave radar sensor (center of front fascia)
Mol+
Mol-
Mor+
Mor-
N1 (base of left kick panel)
N40
N6 (left center of dash)
Na1
Na2
Pbsw
Pgnd
Pre-collision system cancel switch
Psb fuse 30a
Red
Rh ecu-ig fuse 10a
Right cowl side j/b (right end of dash)
Right front seat outer belt (base of right "b" pillar)
Seat belt control ecu (left side of luggage compt)
Skid control ecu (left rear of engine compt)
Tu1
U34
U35
U4 (front left side of luggage compt)

Supplemental Restraint Wiring Diagram (1 of 3) for Lexus GS 450h 2014

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List of elements for Supplemental Restraint Wiring Diagram (1 of 3) for Lexus GS 450h 2014:

(in left front door)
(right end of dash)
+sl
+sr
-sl
-sr
A26
A29
A49
A50
A60
Abfs
Air bag fuse 10a
Air bag sensor assembly (under rear of center floor console)
Bbl+
Bbl-
Bcl+
Bcl-
Bdl+
Bdl-
Buckle switch
C47
Ca1h
Ca1l
Canh
Canl
Computer data lines system
D2+
D2-
Dk+
Dk-
Gsw
Gsw2
Gsw3
Hot w/ ig2 relay energized
Icl+
Icl-
Ig2
Lbe+
Lbe-
Left cowl side j/b (left end of dash)
Left curtain shield air bag assembly (near top of left "b" pillar)
Left front seat air bag assembly (in left outboard side of front seat back)
Left front seat inner belt (right side of driver's seat)
Left rear air bag sensor (in left rear "c" pillar)
Left rear side air bag squib (outer side of left rear seat)
Left side air bag sensor assembly (in left "b" pillar)
Left side door air bag sensor
Lsp+
Lsp-
Main body ecu
N4 (under center console)
N52
N6 (left center of dash)
N92
P-ab
P2+
P2-
Paon
Passive restraints system
Pk+
Pk-
Pl+
Pl-
Plr+
Plr-
Pnk
Power management control ecu
Qu1
Red
Right cowl side j/b (right end of dash)
Seat position air bag sensor
Sfl+
Sfl-
Srl+
Srl-
U12
Ud2

Supplemental Restraint Wiring Diagram (2 of 3) for Lexus GS 450h 2014

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List of elements for Supplemental Restraint Wiring Diagram (2 of 3) for Lexus GS 450h 2014:

(center of steering wheel) driver side squib circuit (horn button assembly)
(in right outboard side of front seat back)
(left front corner of engine compt) left front air bag sensor
(right end of dash) (w/ safety connect) dcm (telematics transceiver)
(right front corner of engine compt) right front air bag sensor
(under left side of dash) lower instrument panel air bag assembly 1
(under right side of dash) lower instrument panel air bag assembly 2
+sl
+sr
-sl
-sr
A28
A31
A35
A48
A55
A56
Air
Aron
D2+
D2-
Gsw
Icr+
Icr-
Instrument panel passenger air bag w/o door assembly
Left front seat outer belt (base of left "b" pillar)
Left rear point 3 type outer seat belt assembly (left "c" pillar)
Multi-media module receiver assembly
N30
N68
N87
Na6
Na7
Ns1
P2+
P2-
Passenger air bag on/off indicator
Right cowl side j/b (right end of dash)
Right curtain shield air bag assembly (near top of right "b" pillar)
Right front seat air bag assembly
Right front seat outer belt (base of right "b" pillar)
Right rear point 3 type outer seat belt assembly (right "c" pillar)
Right rear side air bag squib (outer side of right rear seat)
Sfr+
Sfr-
Spiral cable (in steering column)
Srr+
Srr-
Tc1

Supplemental Restraint Wiring Diagram (3 of 3) for Lexus GS 450h 2014

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List of elements for Supplemental Restraint Wiring Diagram (3 of 3) for Lexus GS 450h 2014:

(in right "b" pillar)
(under front
5v ic
A20
Air bag sensor assembly (under rear of center floor console)
Bbr+
Bbr-
Bcr+
Bcr-
Bdr+
Bdr-
Buckle switch
C17
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
Dia
Ecm (engine control module) (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Fsr+
Fsr-
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
Icr+
Icr-
Ig+
Junction connector c34 (under front passenger's seat)
Led driver
Left rear weight detection sensor
N40
N6 (left center of dash)
N7 (base of right kick panel)
Na1
Na2
Nt1
Occupant detection ecu (under front passenger's seat)
Ods fuse 5a
Passenger's seat)
Passive restraints system
Pr+
Pr-
Prr+
Prr-
Qt1
Red
Right cowl side j/b (right end of dash)
Right front seat inner belt (under front passenger's seat)
Right rear air bag sensor (in right "c" pillar)
Right rear weight detection sensor
Right side air bag sensor assembly
Right side door air bag sensor (in right front door)
Sfr+
Sfr-
Srr+
Srr-
T12
Telltales
Tc2
Z12
Z13

TRANSMISSION

Transmission Wiring Diagram (1 of 3) for Lexus GS 450h 2014

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List of elements for Transmission Wiring Diagram (1 of 3) for Lexus GS 450h 2014:

(left rear of engine compt) a1
(transmission) shift lever position sensor
+b1
+b2
A35
A36
Acci
Af1
Af2
Ca1h
Ca1l
Computer data lines system
Engine room r/b 1 (left side of engine compt)
Etho
F50
F51
Gcs
Gcsg
Gmt
Gmtg
Grf
Grfg
Gsn
Gsng
Hot at all times
Hybrid vehicle generator
Hybrid vehicle motor
Hybrid vehicle transmission assembly
Igct 1 fuse 30a
Igct 4 fuse 7.5a
Igct 5 fuse 7.5a
Igct relay
Indd
Indm
Indn
Indp
Indr
Mcs
Mcsg
Mmt
Mmtg
Mrel
Mrf
Mrfg
Msn
Msng
N3 (under center console)
N91
N92
Na4
Pb1
Pb3
Pnk
Power management control ecu (right end of dash)
Psft
Red
Sftd
Sftu
Shield
Sl1+
Sl1-
Sl2+
Sl2-
Sp2+
Sp2-
Tho

Transmission Wiring Diagram (2 of 3) for Lexus GS 450h 2014

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List of elements for Transmission Wiring Diagram (2 of 3) for Lexus GS 450h 2014:

(base of selector lever assembly) transmission control switch (transmission wire)
(right end of dash) a5
(transmission) transmission revolution sensor
+b2
A38
A45
Acc fuse 7.5a
Af1
Af2
Crfg
Drn6
Drn7
Engine controls system
Fa2
Fa3
Gcs
Gcsg
Gnd1
Grf
Gsn
Gsng
Hot at all times
Hybrid vehicle transmission
Ill+
Ill-
Interior lights system
Inverter w/ converter (right rear corner of engine compt)
J/c n126 (left center of dash)
Mcs
Mcsg
Mrf
Mrfg
Msn
Msng
N6 (left center of dash)
Na3
Pb1
Pb3
Pnk
Pwr
Red
Rh acc relay
Right cowl side j/b (right end of dash)
Sftd
Sftu
Shield
Shift position indicator
Sl1+
Sl1-
Sl2+
Sl2-
Tho

Transmission Wiring Diagram (3 of 3) for Lexus GS 450h 2014

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List of elements for Transmission Wiring Diagram (3 of 3) for Lexus GS 450h 2014:

(brake pedal bracket) stop light switch
2nd
5v +b
5v ic
A20
A22
A35
Anti-lock brakes system
Can i/f
Canh
Canl
Combination meter assembly
Combination switch assembly
Computer data lines system
Cpu
D12
D15
D17
D22
D24
D26
Display driver
Ecm (engine control module) (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Gauge fuse 5a
Gnd
Hot at all times
Hot w/ ig2 relay energized
I/f
Ic1
Ic2
Ig+
Igsw
J/c a51 (upper left end of dash)
J/c n128 (right side of dash)
Led driver
Left cowl side j/b (left end of dash)
Lh-ig2 fuse 10a
Mpx-b fuse 10a
N3 (under center console)
N31
N40
N6 (left center of dash)
N91
N92
Na2
Normal
Paddle shift switch
Pnk
Power management control ecu (right end of dash)
Red
Right cowl side j/b (right end of dash)
Shift down
Shift up
Snow
Snwi
Spcn
Spdi
Speaker
Spiral cable (in steering column)
Sport
Spsw
St1-
Steering pad switch assembly
Stop fuse 7.5a
Stp
Telltales

TRUNK, TAILGATE, FUEL DOOR

Power Trunk Opener and Closer Wiring Diagram for Lexus GS 450h 2014

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List of elements for Power Trunk Opener and Closer Wiring Diagram for Lexus GS 450h 2014:

(base of left kick panel) n1
(right side of luggage compt) tire pressure warning ecu receiver (door control & tire pressure monitoring system receiver assembly)
A28
A38
A54
A63
Altb
Asel
B20
B21
Becu
C32
Canh
Canl
Cann
Canp
Certification ecu (right end of dash)
Cls
Clutch
Computer data lines system
Cps+
Cps1
Cps2
Cpse
Cs1
Cs2
Csel
Csg
Csv
Cswe
D32
Data
Door control switch
Ecub
Engine room r/b 1 (left side of engine compt)
Fsw
Gnd
Gnd2
Haf
Half
Hall ic
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Hot w/ rr-1g1 1 relay energized
Ill
Ill+
Ill-
Interior lights system
J/c a11 (center rear of luggage compt lid)
J/c t44 (right "c" pillar)
Lcm+
Lcm-
Lddn
Left cowl side j/b (left end of dash)
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lh-ig2 fuse 10a
Luggage closer motor (left front of luggage compt)
Luggage compartment door lock (center rear of luggage compt lid)
Luggage door opening cancel switch assembly
Luggage door opening switch assembly
Luggage electrical key switch
Luggage room j/b 1 (left side of luggage compt)
Main body ecu (left end of dash)
Mpx-b fuse 10a
N1 (base of left kick panel)
N12
N13
N7 (base of right kick panel)
N94
N95
N98
Nt1
Pawl
Pnk
Power trunk lid close switch
Ptl fuse 25a
Rc0
Rdam
Red
Right cowl side j/b (right end of dash)
Rr ecu-ig fuse 10a
Rr j/b-b fuse 10a
Swg
T2 (right "c" pillar)
T32
T4 (front right side of luggage compt)
Tmsw
Tsw
Tsw5
Tu1
U3 (left "c" pillar)
Ut1
At1

Trunk & Fuel Door Release Wiring Diagram for Lexus GS 450h 2014

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List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus GS 450h 2014:

(under center console) n3
A26
A28
A33
A34
Actd
Actg
Altb
At1
Becu
C17
C18
C40
Canh
Canl
Cann
Canp
Certification ecu (right end of dash)
Computer data lines system
D door unlock relay
D/l 1 fuse 25a
D/l 2 fuse 25a
D18
D32
Ecu-b fuse 7.5a
Engine room r/b 1 (left side of engine compt)
Fllk
Fuel lid lock w/ motor assembly (left side of luggage compt)
Fuel opn relay
Gnd
Gnd1
Gnd2
Hot at all times
Hot w/ lh-ig1 1 relay energized
Ill+
Ill-
Interior lights system
Kul
Left cowl side j/b (left end of dash)
Left front door lock assembly (rear of left front door)
Left front multiplex network door ecu (in left front door)
Lgcy
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Lock
Lock un-
Lswe
Luggage compartment door lock assembly (center rear of luggage compt lid)
Luggage door opening cancel switch assembly
Luggage door opening switch assembly
Luggage electrical key switch
Luggage room j/b 1 (left side of luggage compt)
Main body ecu (left end of dash)
Mpx-b fuse 10a
N1 (base of left kick panel)
N11
N12
N13
N7 (base of right kick panel)
N94
N95
N98
Na1
Nt1
Nu1
Pnk
Power change relay
Q18
Q19
Qu1
Red
Right cowl side j/b (right end of dash)
Sig
T4 (front right side of luggage compt)
Tmsw
Tr+
Trk opn fuse 10a
Trk opn relay
Tsw
Tsw5
Tu1
U1 (under driver's seat)
At1

WARNING SYSTEMS

Seat Belt Warning Wiring Diagram for Lexus GS 450h 2014

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List of elements for Seat Belt Warning Wiring Diagram for Lexus GS 450h 2014:

(right end of dash) right cowl side j/b
(right side of driver's seat) left front seat inner belt
5v ic
5v+b
A50
Air bag fuse 10a
Air bag sensor assembly (under rear of center floor console)
Altb
Auto
Becu
C17
C44
C47
Can i/f
Canh
Canl
Combination meter assembly
Computer data lines system
Cpu
D32
Engine room r/b 1 (left side of engine compt)
Flcy
Fsr+
Fsr-
Gauge fuse 5a
Gnd
Gnd1
Head
Headlight dimmer switch assembly
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
I/f
Ig+
Ig2
Lbe+
Lbe-
Led driver
Left cowl side j/b (left end of dash)
Left front door courtesy light switch (left front "b" pillar)
Left rear weight detection sensor
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Light control switch
Main body ecu
Mpx-b fuse 10a
N1 (base of left kick panel)
N12
N3 (under center console)
N40
N52
N6 (left center of dash)
N7 (base of right kick panel)
Na1
Na2
Nn1
Nt1
Occupant detection ecu (under front passenger's seat)
Ods fuse 5a
Off
Pnk
Red
Right cowl side j/b (right end of dash)
Right front seat inner belt (under front passenger's seat)
Right rear weight detection sensor
Speaker
T12
Tail
Telltales
U12
Z12
Z13

Tire Pressure Monitoring Wiring Diagram for Lexus GS 450h 2014

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List of elements for Tire Pressure Monitoring Wiring Diagram for Lexus GS 450h 2014:

(base of right kick panel) n7
(right end of dash) right cowl side j/b
(under center console) n3
5v ic
5v+b
A21
A38
Alsi
Altb
Antenna
Antenna amplifier assembly (right "c" pillar)
Asel
Becu
C39
Can i/f
Canh
Canl
Certification ecu (right end of dash)
Clsw
Combination meter assembly
Computer data lines system
Cpu
Csel
D32
Data
Display driver
Driver tire pressure monitor initiator (w/ auto location) (right end of dash)
Engine room r/b 1 (left side of engine compt)
F in
F ot
Fr+
Fr-
Front tire pressure monitor initiator (left rear of engine compt)
Gauge fuse 5a
Gnd
Gnd1
Hot at all times
Hot w/ ig2 relay energized
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Ig+
J/c t44 (right "c" pillar)
Led driver
Left cowl side j/b (left end of dash)
Lh j/b-b fuse 7.5a
Lh-ig fuse 10a
Luggage room j/b 1 (left side of luggage compt)
Main body ecu (left end of dash)
Mpx-b fuse 10a
N1 (base of left kick panel)
N12
N40
N6 (left center of dash)
N98
Na2
Nca
Nt1
Nu1 red
Pnk
Prg
R in
R ot
Rco
Rda
Rdam
Rear tire pressure monitor initiator (rear left side of luggage compt)
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Rr j/b-b fuse 10a
Rr+
Rr-
Sil
T2 (right "c" pillar)
T32
T51
Telltales
Tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly) (right side of luggage compt)
Tire pressure warning reset switch (tire pressure warning switch 1)
Tu1

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Lexus GS 450h 2014

Obtenha acesso a todos os diagramas de fiação do carro

List of elements for Front Wiper/Washer Wiring Diagram for Lexus GS 450h 2014:

(base of left kick panel) n1
(left center of dash) n6
(left rear of engine compt) a1
(left rear of engine compt) windshield wiper motor
(left side of engine compt) j/c a58
5v ic
5v+b
A37
A55
A59
A6 (left end of dash)
Acan
Auto wiper switch
Can i/f
Canh
Canl
Comb sw fuse 5a
Combination meter assembly
Computer data lines system
Cpu
D14
Display driver
Down
Driving support ecu (left end of dash)
Engine room r/b 1 (left side of engine compt)
Engine room r/b 3 (left rear of engine compt)
Gnd
Gnd2
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ lh-ig1 2 relay energized
Hot w/ rh-ig1 1 relay energized
I/f
Ig2
Int relay
J/c a52 (upper left end of dash)
J/c a53 (left side of engine compt)
J/c a59 (left side of engine compt)
J/c n123 (left side of dash)
Led driver
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Main body ecu
Map light assembly
Mpx
Mpx- b fuse 10a
Mpx1
N1 (base of left kick panel)
N12
N35
N36
N40
N6 (left center of dash)
Na1
Na3
Normal
Ny1
Off
P1 (-/slow)
P4 (+/fast)
Pnk
Rain sensor (front center of roof)
Red
Right cowl side j/b (right end of dash)
Rly1
Rly2
Sig
Tail
Telltales
Volume switch int switch
Wash
Wash fuse 20a
Wash- s fuse 5a
Washer switch
Water level warning switch (in washer fluid reservoir)
Windshield washer motor & pump (on washer fluid reservoir)
Windshield wiper switch assembly
Wip relay
Wip-s fuse 7.5a
Wip2
Wiper fuse 30a
Wiper switch
Wiper- ig fuse 5a
Wlvl

Headlamp Washer Wiring Diagram for Lexus GS 450h 2014

Obtenha acesso a todos os diagramas de fiação do carro

List of elements for Headlamp Washer Wiring Diagram for Lexus GS 450h 2014:

A2 (left rear of engine compt)
A44
Auto
D30
Driving support ecu (left end of dash)
Engine room j/b 1 (left side of engine compt)
Engine room r/b 1 (left side of engine compt)
Frwa
Gnd1
H-lp cln fuse 30a
Hdlo
Head
Headlight cleaner control relay (below left headlight)
Headlight cleaner motor & pump (on washer fluid reservoir)
Headlight cleaner switch
Headlight dimmer switch assembly
Hot at all times
Hot w/ lh-ig1 1 relay energized
Hot w/ rh-ig1 1 relay energized
Hrly
Integration control & panel assembly
J/c a51 (upper left end of dash)
J/c a52 (upper left end of dash)
Left cowl side j/b (left end of dash)
Lh-ig fuse 10a
Light control switch
Main body ecu
N1 (base of left kick panel)
N12
N3 (under center console)
N36
Na1
Na3
Nn1
Off
Right cowl side j/b (right end of dash)
Tail
Wash
Wash fuse 20a
Wash- s fuse 5a
Washer switch
Windshield washer motor & pump (on washer fluid reservoir)
Windshield wiper switch assembly