All Wiring Diagrams for Lexus LX 470 2003

AIR CONDITIONING

Automatic A/C Wiring Diagram, Front (1 of 2) for Lexus LX 470 2003

List of elements for Automatic A/C Wiring Diagram, Front (1 of 2) for Lexus LX 470 2003:

(at right kick panel) right kick panel j/b
(behind right side of dash) engine control module
(in body harness, at rocker panel, at rear of right front door)
(near right headlight assembly) a/c ambient temperature sensor
(on left inner fender panel) engine room r/b
A/c control assembly
A/c fuse 15a
A/cs
A10
A13
A15
A25
A27
A34
A43
A47
Acld
Acmg
Aif
Air
Air inlet control servo motor (behind right side of dash, on heater- a/c housing)
Air vent mode control servo motor (behind left center of dash, on heater-a/c housing)
B/l
B31
B32
B56
Blower motor controller (behind lower right side of dash)
Central cluster integration panel
Clk
Control circuit
D17
D19
D23
D25
D29
D33
Def
Defc
Defogger system
Dpd
E10
E18
Ea (at right front of engine compt)
Els2
Engine room j/b (on left inner fender panel)
F/d
F19
Face
Foot
Foot/def
Framc
Framh
Frblw
Frhr
Fusible link block (at left of engine compt, near battery)
Gateway ecu (w/ navigation) (behind right side of dash)
Gauge 1 fuse 10a
Gnd
Gtx+
Gtx-
Hot at all times
Hot in on or start
Htr fuse 50a
Htr relay
If (behind left kick panel)
Ii (behind right side of dash)
J/b 4 (behind upper center of dash)
Lcki
Left kick panel j/b (at left kick panel)
M17
Mfrs
Mirrors system
Mpd1
Mpd2
Mpx+
Mpx-
Mrec
Mrrhr
Multi-display
N11
N12
N14
N16
N18
N21
N22
Navi
Position switches
Rdfgr
Rear a/c circuit
Red
Right kick panel j/b (at right kick panel)
Rrmgv
Stx
Swd
Teo
The
Thwo
Tx3+
Tx3-
W/ navigation

Automatic A/C Wiring Diagram, Front (2 of 2) for Lexus LX 470 2003

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List of elements for Automatic A/C Wiring Diagram, Front (2 of 2) for Lexus LX 470 2003:

(behind left side of dash) j/b 5
(in body harness, at rocker panel, at rear of right front door) b9
(on a/c compressor) a/c magnetic clutch & lock sensor
A/c amplifier (at right side of cargo area)
A/c control assembly
A/c solar sensor (on top left side of dash)
A/c thermistor (behind right side of dash, on evaporator)
A/c tmp
A10
A16
A17
A18
A29
A46
A48
A49
A52
Acan
Air mix control servo motor (behind right center of dash, on heater-a/c housing)
Aled
B10
B12
B13
B14
B16
B18
B26
B29
B39
B46
Bk (under front of right front seat)
Body ecu (at left kick panel)
Cid
Clkf
Cool
Csd
D18
D22
D23
D25
D26
D28
D39
Dgs
Dgs1
Dual pressure switch
E19
E21
E26
E30
Ec (at rear of right cylinder head)
Ecu-b2 fuse 10a
Ecu-ig2 fuse 10a
Ee (at left front of engine compt)
Engine room j/b (on left inner fender panel)
Exhaust gas sensor (at front center of engine compartment, forward of radiator)
F10
Frcid
Frclk
Frcsd
Frs5
Frsg
Frte
Frtp
Frtr
Gnd
Hmot
Hot at all times
Hot in on or start
Instrument cluster system
Interior lights system
J/b 4 (behind upper center of dash)
J/b 5 (behind left side of dash)
Junction connector (at right rear wheelwell)
Junction connector 14 (behind left center of dash, near windshield)
K19
K35
Left kick panel j/b (at left kick panel)
M12
Mcool
Mg clt relay
Multi- display
N13
N15
N19
Nca
Pnk
Psw
Q22
Q71
Q81
Q83
Red
Right kick panel j/b (at right kick panel)
Room temperature sensor (front) (behind left center of dash)
Spd
Tam
Tamo2
Tpi
Ver1
Ver2
Ver4
W/o navigation
Warm

Automatic A/C Wiring Diagram, Rear (1 of 2) for Lexus LX 470 2003

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List of elements for Automatic A/C Wiring Diagram, Rear (1 of 2) for Lexus LX 470 2003:

(in body harness, at center of roof) b12
(under front of right front seat) bk
(under left front seat) bj
Auto
Auto-1
Auto-s
B/l-i
B/l-s
B10
B12 (in body harness, at center of roof)
B52
B71
Bi-level
Cool
Engine room j/b (on left inner fender panel)
Face
Face-i
Face-s
Foot
Foot-i
Foot-s
Hi-i
Hi-s
Hot
Hot at all times
Hot in on or start
Ill
Illum
Junction connector (at left rear wheelwell)
K18
K42
Lo-i
Lo-s
Me-i
Me-s
Middle
Off
Off-s
Rear a/c control switch
Rear cooler blower motor (in rear heater- a/c unit)
Rear cooler power transistor (in rear heater-a/c unit)
Rear heater blower motor (in rear heater-a/c unit)
Rear heater power transistor (in rear heater-a/c unit)
Rear inlet air temperature sensor (on rear heater-a/c unit)
Red
Right kick panel j/b (at right kick panel)
Room temperature sensor (rear) (on middle of roof)
Rr a/c fuse 30a
Rr htr fuse 10a
Rr htr relay
Solid state
Srg
T-set

Automatic A/C Wiring Diagram, Rear (2 of 2) for Lexus LX 470 2003

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List of elements for Automatic A/C Wiring Diagram, Rear (2 of 2) for Lexus LX 470 2003:

(on rear heater- a/c unit) rear cooler magnetic valve
(under front of right front seat) bk
A/c amplifier (at right side of cargo area)
A/c control assembly
A/c fuse 15a
A18
A33
A34
A35
A47
A48
A49
Atin
B/l
B16
Blin
Blwc
Blwh
Cid
Clkf
Csd
E19
Ecu-b2 fuse 10a
Ecu-ig2 fuse 10a
F10
Face
Fcin
Foot
Frcid
Frclk
Frcsd
Ftin
Gnd
Hiin
Hot at all times
Hot in on or start
Hrc
Hrh
Ig+
Ill+1
Ill-
Interior lights system
J/b 4 (behind upper center of dash)
Junction connector (at right rear wheelwell)
Junction connector 14 (behind left center of dash, near windshield)
Junction connector 24 (at right rear wheelwell)
K19
K35
K39
Left kick panel j/b (at left kick panel)
Loin
M cool
M hot
Mch
Mein
Mhh
Nca
Q22
Q71
Rear air mix control servo motor (below rear of center console)
Rear cooler relay (on right rear corner of vehicle, in cargo area)
Rear evaporator temperature sensor (on rear heater- a/c unit)
Red
Right kick panel j/b (at right kick panel)
Rly
Rrao
Rrat
Rrhi
Rrlo
Rrme
Rrmgv
Sgnd
Tec
Tinh
Tph
Tset
Ver1
Ver2
Ver4
Vmc
Vmh

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus LX 470 2003

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus LX 470 2003:

(at left rear of engine compt) e8
(in engine harness, at left rear of engine compt) e8
+bi
+bo
A39
A42
A43
A44
A45
A46
Abs & ba & trac & vsc actuator (at left rear corner of engine compt)
Abs & ba & trac & vsc ecu (behind left side of dash)
Abs 1 fuse 50a
Abs 2 fuse 40a
Abs mtr 1 relay
Abs mtr 2 relay
Abs sol relay
Afs+
Afs-
Ast
B20
B22
Bm1
Bm2
Braided
Ecu-b2 fuse 10a
Ee (at left side of engine compt)
Electronic suspension system
Engine room r/b (integral to engine room junction block)
Fl+
Fl-
Fr+
Fr-
Fss
Gauge 2 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
If (behind left side of dash)
Ig2
Ign fuse 7.5a
Lbl
Left kick panel j/b (at left kick panel)
Met fuse 7.5a
Mr1
Mr2
Mss
Mt+
Mt-
Mtt
Phg
Plg
Pmc
Pnk
Q36
R1+
R2+
Red
Red braided
Right kick panel j/b (at right kick panel)
Sa1
Sa2
Sa3
Sflh
Sflr
Sfrh
Sfrr
Srlh
Srlr
Srrh
Srrr
Str
Trig
Vcm
Vsc+
Vsc-
Wahc

Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus LX 470 2003

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus LX 470 2003:

(on brake master cylinder) master cylinder pressure sensor
(on inside of left front wheel) left front abs speed sensor
(on inside of right front wheel) right front abs speed sensor
+bi
Afs+
Afs-
B18
Braided
C12
C13
C14
C15
C16
C18
C19
D11
D13
D31
D35
Ecu-ig1 fuse 10a
Flo
Fro
Gnd
Hot at all times
Hot in on or start
J/b 5 (behind left side of dash)
J/b 6 (behind right side of dash, near engine control module)
Junction connector 2
Left kick panel j/b (at left kick panel)
Left rear abs speed sensor (on inside of left rear wheel)
Park/neutral position switch (on right side of transmission)
Pnk
Red
Red braided
Right rear abs speed sensor (on inside of right rear wheel)
Ss1+
Ss1-
Steering sensor
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Trig
Vcc
Vgrs ecu (behind left side of dash)
Vout
Vsc warning buzzer (behind left side of dash, near base of "a" pillar)
Vsc+
Vsc-

Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus LX 470 2003

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List of elements for Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus LX 470 2003:

A11
A40
A41
Abs & ba & trac & vsc ecu (behind left side of dash)
Abs ind
Active trac ind (except usa)
Ahco
B14
B18
Braided
Brake ind
Brl
C14
C15
C16
C17
Combination meter
D/g
D12
Data link connector (dlc) 1 (on right inner fender panel)
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
E10
Ec (at rear of right cylinder head)
Ee (at left front of engine compt)
Electronic suspension system
Eng+
Eng-
Engine control module (behind right side of dash)
Exi
Exi2
Flo
Fro
Gl1
Gl2
Gnd3
Gnd4
Gss
Gyaw
If (behind left side of dash)
Ig1
Ind
Ind vsc off
Ind vsc trac
Infr
J/b 5 (behind left side of dash)
J/b 7 (behind right side of dash)
K27
Left kick panel j/b (at left kick panel)
Neo
Parking brake switch (on base of park brake lever)
Pkb
Q26
Q27
Red
Right kick panel j/b (at right kick panel)
Rl+
Rl-
Rr+
Rr-
Rss
Sil
Slip ind
Ss1+
Ss1-
Stp
Trac ind (usa)
Transmissions system
Trc+
Trc-
Vscw
Vys
Yaw
Yaw rate sensor (below center of dash, forward of gear selector)
Yaw2
Yss

ANTI-THEFT

Immobilizer Wiring Diagram for Lexus LX 470 2003

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List of elements for Immobilizer Wiring Diagram for Lexus LX 470 2003:

(at left kick panel)
(behind right side of dash) transponder key computer
Agnd
Ant1
Ant2
Code
Cty
D10
D12
D18
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
E16
E18
E19
E23
E25
E27
Ecu-b2 fuse 10a
Efii
Efio
Engine control module (behind right side of dash)
Gnd
Gnd1 gnd2
Hot at all times
Hot in on or start
Ign fuse 7.5a
Ii (behind right side of dash)
Imi
Imo
Ind
J/b 4 (behind upper center of dash)
J/b 7 (behind right side of dash)
J/c 16
K10
Ksw
Left front door courtesy switch
Left kick panel j/b
Left kick panel j/b (at left kick panel)
Lp scty
M15
M16
Multi-display
Q22
Q71
Right kick panel j/b (at right kick panel)
Sil
Transponder key amplifier (behind left center of dash)
Txct
Unlock warning switch
Vc5
W/ navigation system
W/o navigation system

Power Door Locks Wiring Diagram (1 of 3) for Lexus LX 470 2003

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List of elements for Power Door Locks Wiring Diagram (1 of 3) for Lexus LX 470 2003:

(at right kick panel) right kick panel j/b
(in body harness, above left rear wheelwell)
(in body harness, at kick panel, at rear of left front door)
(in body harness, in tailgate) b14
(under front of right front seat) bk
Acc
Acc fuse 7.5a
Act+
Act-
Actd
B10
B10 (in body harness, above left rear wheelwell)
B21
B22
B24
B49
B58
Back door lock motor & door unlock detection switch
Bdr1
Body ecu (at left kick panel)
Dcty
Door fuse 25a
E39
E40
E42
Ecu-ig1 fuse 10a
Engine room j/b (on left inner fender panel)
G11
Head relay
Headlights system
Horn fuse 10a
Horn relay
Horns system
Hot at all times
Hot in acc or on
Hot in on or start
Hrly
Idl
J/b 5 (behind left side of dash)
J13
J14
Junction connector (at left rear wheelwell)
K25
K29
K34
K38
K42
Left front door lock motor & door unlock detection switch
Left kick panel j/b (at left kick panel)
Left rear door lock motor & door unlock detection switch
Left rear power window control switch
Lsr
Lswp
Mpx1
Mpx4
Mpx5
Mpx6
Pcty
Q10
Q11
Q21
Q30
Q35
Q41
Q42
Right front door lock motor & door unlock detection switch
Right front power window control switch
Right kick panel j/b (at right kick panel)
Right rear door lock motor & door unlock detection switch
Right rear power window control switch
Rlcy
Rrcy
Sig
Tail fuse 25a
Tail relay
Trly
Ul1
Ul2

Power Door Locks Wiring Diagram (2 of 3) for Lexus LX 470 2003

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List of elements for Power Door Locks Wiring Diagram (2 of 3) for Lexus LX 470 2003:

(behind left side of dash) tilt & telescopic ecu
(under front of center console) center airbag sensor assembly
A40
B10
B2 (in body harness, in left front door)
Back door key lock & unlock switch
Bdr
Bj (under left front seat)
Cpub
D12
D13
D41
Dome fuse 10a
E15
E42
Ecu-b2 fuse 10a
Engine room j/b (on left inner fender panel)
Gauge2 fuse 10a
Generator
Gnd
Hot at all times
If (behind left kick panel)
Ii (behind right side of dash)
J/b 6 (behind right side of dash, near engine control module)
K10
K24
K26
Keye
Kul
Left door key lock & unlock switch
Left front door courtesy switch
Left kick panel j/b (at left kick panel)
Left rear door courtesy switch
Lswe
Mpx1
Mpx2
P/w (fl) fuse 20a
Park/ neutral position switch (on right side of transmission)
Power window master switch
Q12
Q17
Q71
Q72
Right door key lock & unlock switch
Right door lock control switch
Right front door courtesy switch
Right kick panel j/b (at right kick panel)
Right rear door courtesy switch
Security fuse 7.5a
Sig

Power Door Locks Wiring Diagram (3 of 3) for Lexus LX 470 2003

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List of elements for Power Door Locks Wiring Diagram (3 of 3) for Lexus LX 470 2003:

(at left kick panel) body ecu
(at right front of engine compartment) ea
+b1
+b2
B12
B21
Back door courtesy switch
Bcty
Becu
Bus
Bzr
Bzr2
D10
D12
D14
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
Dome relay
Door control receiver (at left "d" pillar)
Dswh
E10
E12
E13
E18
E20
E23
E36
Ehw
Engine hood courtesy switch (on top center of radiator support)
Gnd
Gnd1
Gnd2
Haz
Horn
If (behind left kick panel)
Ig (behind left side of dash)
Ii (behind right side of dash)
Ind
Instrument cluster system
Interior lights
J/b 4 (behind upper center of dash)
J/b 7 (behind right side of dash)
J/c 18 (behind right center of dash, near windshield)
Junction connector 16 (behind upper right side of dash)
Junction connector 18 (behind right center of dash, near windshield)
Junction connector 23 (at left rear wheelwell)
Ksw
L20
Left kick panel j/b (at left kick panel)
Lmry
M12
Moon roof control ecu (on roof, in front of moon roof)
Mpx1
Mpx2
Mpx3
Multi- display
Obd2
Prg
Q20
Q22
Q25
Q26
Q70
Q73
Q74
Q76
Q78
Q79
Q82
Q84
Rda
Rev
Right kick panel j/b (at right kick panel)
Scty
Sh-
Sil
Spd
System
Tac
Theft deterrent ecu (behind center of dash)
Theft deterrent horn (on right side inner fender panel)
Turn signal flasher (behind left side of dash)
Unlock warning switch
W/ navigation system
W/o navigation system
Wireless door lock buzzer (at rear of left front fender)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for Lexus LX 470 2003:

Acc
Acc fuse 7.5a
Act+
Act-
Actd
B12
B21
B24
Bdr1
Bdsu
Body ecu
Bzr
Bzr2
Computer data lines system
Cruise control system
D35
Dbkl
Dcyl
Def
Door fuse 25a
Door locks system
Drl
E11
Ecu-ig1 fuse 10a
Electronic suspension system
Els1
Engine controls system
Exterior lights system
G11
Gnd1
Gnd2
Haz
Headlights system
Hot at all times
Hot in acc or on
Hot in on or start
Hrly
Idl
Idle up fuse 7.5a
Interior lights system
K23
K25
K29
K35
K38
K42
Left kick panel j/b (at left kick panel)
Lmry
Lsr
Lswp
Memory systems
Mpx1
Mpx2
Mpx4
Pcyl
Power windows system
Q10
Q11
Q25
Q46
Q70
Red
Sig
Spd
Starting/charging system
Stp1
Trly
Ul1
Ul2
Warning system
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for Lexus LX 470 2003:

Acan
Air conditioning system
B10
Bcty
Becu
Bj (under left front seat)
Body ecu
Bstp
Btil
Cltb
Clte
Clts
Computer data lines system
Cspt
Dcty
Dcy2
Door locks system
Drlp
E15
Ecu-b2 fuse 10a
Exterior lights system
Gill
Gnd
Head
Headlights system
Hf2
Hot at all times
Hot in on or start
Ile
Ilen
Instrument cluster system
Interior lights system
K15
K20
Ksw
L/fs
L16
Lcyl
Left kick panel j/b (at left kick panel)
Lspt
Mpx+
Mpx3
Mpx5
Mpx6
Obd2
Overhead j/b (at front center of roof)
Pcty
Pkb
Pnk
Power windows system
Prg
Q22
Q26
Q71
Rbd1
Rbd2
Rcyl
Rda
Red
Rev
Right kick panel j/b (at right kick panel)
Rlcy
Rr wiper fuse 15a
Rrcy
Rspt
Rwlm
Rwsm
S/m
S26
S27
Sig
Stp1
Stp2
Sub body ecu (at left rear quarterpanel)
Tail
Til1
Til2
Transmissions system
Warning system
Wiper/washer system
Wrin
Wrlo
Wrsw

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus LX 470 2003

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List of elements for Data Link Connector Wiring Diagram for Lexus LX 470 2003:

(at rear of right
(behind right side of dash) ii
A/b
A40
Abs & ba & trac & vsc ecu (behind left side of dash)
B22
Bat
Body ecu (at left kick panel)
C/opn relay
C10
C32
Center air bag sensor assembly (under front of center console)
Combination meter
Cylinder head)
D/g
D12
D14
D18
D19
D20
D22
Data link connector (dlc) 1 (on right inner fender panel)
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
E10
E11
E12
E13
E14
E17
E20
E21
Eb (at right side of
Engine compt)
Engine control module (behind right
Engine room r/b (integral to engine room junction block)
F10
Hot at all times
Hot in on or start
Ign fuse 7.5a
J/b 4 (behind upper center of dash)
J/b 7 (behind right side of dash)
Left kick panel j/b (at left kick panel)
Multi-display
Obd 2 fuse 7.5a
Obd2
Of dash)
Q11
Q14
Q53
Q73
Rev
Right kick panel j/b (at left kick panel)
Right kick panel j/b (at right kick panel)
Side of dash)
Sil
Suspension control ecu (behind left center of dash)
Tac
Tach
Theft deterrent ecu (behind center
Transponder key computer (behind center
V11
Vgrs ecu (behind left side of dash)
Wfse

High/Low Bus Wiring Diagram for Lexus LX 470 2003

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List of elements for High/Low Bus Wiring Diagram for Lexus LX 470 2003:

(behind center of dash)
(behind left
(behind left side of dash)
(behind right
(on roof, in front of moon roof) moon roof control ecu
(under center console)
(under front of
A/c control
A10
Assembly (w/ navigation system)
Auto wiper ecu
B21
Body ecu (at left kick panel)
Bus
C12
Center
Center air bag
Center console)
Combination meter
Control switch
D12
D34
D40
D41
E24
E41
Engine control module (behind right side of dash)
Gateway ecu
J/b 4 (behind upper center of dash)
J/c 18
K14
L20
Left kick panel j/b (at left kick panel)
Left rear power window
Master switch
Mayday ecu
Mpd1
Mpd2
Mpx
Mpx+
Mpx-
Mpx1
Mpx2
Mpx3
Mpx4
Mpx5
Mpx6
Of dash)
Of moon roof)
Power window
Q37
Q66
Rain sensor (on roof, in front
Remote control mirror ecu (behind left side of dash)
Right front power window
Right kick panel j/b (at right kick panel)
Right rear power window
Seat ecu
Sensor assembly
Side of dash)
Sub body ecu (at left rear quarterpanel)
Telescopic ecu
Theft deterrent ecu
Tilt &

CRUISE CONTROL

Cruise Control Wiring Diagram for Lexus LX 470 2003

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List of elements for Cruise Control Wiring Diagram for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
(behind upper center of dash) j/b 4
(in engine harness, at right rear of engine) e4
(integral to engine room junction block) engine room r/b
+b2
+bm
+res
-set
A43
Accel position sensor (under left side of dash)
B11
B44
Batt
C11
C14
C17
C19
Cancel
Ccs
Combination meter
Combination switch
Computer data lines system
Cruise
Cruise control switch
D12
D15
D22
D27
D31
D34
D35
D36
Data link connector (dlc) 1 (on right inner fender panel)
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
E01
E02
E03
E10
E13
E14
E15
E17
E21
E22
E24
E26
E28
E4 (in engine harness, at right rear of engine)
Ea (at right front of engine compt)
Ec (at rear of right cylinder head)
Ecu-b2 fuse 10a
Efi fuse 25a
Efi relay
Engine control module (behind right side of dash)
Engine room j/b (on left inner fender panel)
Eom
Ep1
Ep2
Epa
Epa2
Etcs fuse 10a
Gauge 1 fuse 10a
Gauge 2 fuse 10a
Ge01
Hot at all times
Hot in on or start
If (behind left side of dash)
Ign fuse 7.5a
Igsw
J/b 4 (behind upper center of dash)
J/b 5 (behind left side of dash)
J/b 6 (behind right side of dash, near engine control module)
J/b 7 (behind right side of dash)
J/c 18 (behind right center of dash, near windshield)
Junction connector 18 (behind right center of dash, near windshield)
Left kick panel j/b (at left kick panel)
Me01
Met fuse 7.5a
Mpx1
Mpx2
Mrel
Nca
On/off
Park/neutral position switch (on right side of transmission)
Q44
Q65
Q66
Q70
Red
Right kick panel j/b (at right kick panel)
Sil
Spd
Speedo- meter
St1-
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp
Throttle control motor and sensor
Vcp1
Vcp2
Vcpa
Vehicle speed sensor (combination meter) (on left side of transmission)
Vpa
Vpa1
Vpa2
Vta
Vta1
Vta2

DEFOGGERS

Heated Mirrors Wiring Diagram for Lexus LX 470 2003

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List of elements for Heated Mirrors Wiring Diagram for Lexus LX 470 2003:

A/c control assembly
A47
A49
B13
B48
B66
Bk (under front of right front seat)
D20
Engine room j/b (on left inner fender panel)
F10
G12
Gnd
Hot at all times
Hot in on or start
J/b 4 (behind upper center of dash)
J/b 5 (behind left side of dash)
Junction connector 14 (behind left center of dash, near windshield)
Junction connector 24 (at right rear wheelwell)
Left kick panel j/b (at left kick panel)
Left remote control mirror
Mir htr fuse 15a
Mir htr relay
Mrrhr
Red
Right kick panel j/b (at right kick panel)
Right remote control mirror
Ver1
Ver2
Ver4

Rear Defogger Wiring Diagram for Lexus LX 470 2003

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List of elements for Rear Defogger Wiring Diagram for Lexus LX 470 2003:

(at left rear quarterpanel) bm
(under front of right front seat) bk
A/c control assembly
A47
A49
B13
B14
Body ecu (at left kick panel)
C10
D24
Def
Defog fuse 20a
Defogger relay
Els
Engine control module (behind right side of dash)
Esl1
F10
Gnd
Hot at all times
Hot in on or start
Idle up fuse 7.5a
If (behind left kick panel)
J/b 4 (behind upper center of dash)
J/b 5 (behind left side of dash)
Junction connector 14 (behind left center of dash, near windshield)
Junction connector 24 (at right rear wheelwell)
K31
Left kick panel j/b (at left kick panel)
Rdfgr
Rear window defogger
Ver1
Ver2
Ver4

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Lexus LX 470 2003

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List of elements for Electronic Power Steering Wiring Diagram for Lexus LX 470 2003:

(behind left side of dash) vgrs ecu
(behind upper left side of dash) j/b 5
+b1
+bo
A41
A42
Abs & ba & trac & vsc ecu (behind left side of dash)
Afs+
Afs-
Bat
C11
C12
C13
C14
C15
C16
C17
C18
C19
Combination meter
Computer data lines system
D16
D28
D29
D30
D32
D33
D34
D35
E31
E34
Ec (at rear of right cylinder head)
Ecu-ig1 fuse 10a
Ess
Flo
Fro
Gnd
Gnd2
Hot at all times
Hot in on or start
Ig1
Junction connector 9
Left kick panel j/b (at left kick panel)
Met fuse 7.5a
Pgnd
Pig
Q16
Q23
Right kick panel j/b (at right kick panel)
Sil
Ss1
Ss1+
Ss1-
Ss2
Ss2+
Ss2-
Ss3
Steering sensor
Suspension control ecu (behind left center of dash)
Ta+
Ta-
Trig
V10
V11
Vgrs fuse 40a
Vgrs ind
Vsc+
Vsc-

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(at left kick panel) body ecu
(at left kick panel) left kick panel j/b
(behind left side of dash) vgrs ecu
(behind left side of dash, below steering column) ahc main relay
(behind upper center of dash) j/b 4
(on bracket, above brake pedal) stoplight switch
Ahc fuse 50a
Ahc relay
Ahc-b fuse 15a
Ahc-ig fuse 20a
Anti-lock brakes system
B b
B39
B42
C15
C17
Combination meter
D12
D15
D18
D21
D22
D31
D35
Damping mode select & height control switch
Dnsw
Door
Drlp
E19
E32
E33
E34
E35
Ec (at rear of right cylinder head)
Ee (at left side of
Electronic power steering system
Engine compt)
Engine room j/b (on left inner fender panel)
Engine room r/b (integral to engine room junction block)
Exi
Flo
Fro
Gauge 1 fuse 10a
Gnd
Hot at all times
Hot in on or start
Ill
Interior lights system
J/b 4 (behind upper center of dash)
J/b 5 (behind left side of dash)
J/c 18 (behind right center of dash, near windshield)
J/c 9
L4sw
Left kick panel j/b (at left kick panel)
Mod2
Mod4
Mrly
Nsw
Off
Pacc
Q22
Q65
Red
Reg
Right kick panel j/b (at right kick panel)
Shb
Shfl
Shfr
Shg
Shrr
Sil
Slac
Slb
Slfg
Slfl
Slrg
Slrl
Speedometer
Ss2+
Ss2-
Starting/charging system
Stop fuse 15a
Stp
Suspension control ecu (behind left center of dash)
Ta+
Ta-
Toil
Transmissions system
Tsw1
Tsw2
Upsw

Electronic Suspension Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Lexus LX 470 2003:

Accumulator solenoid (at base of left "b" pillar)
Ahc pump motor (at right rear of engine compt)
Ahc temperature sensor (in right rear of engine compt)
B11
B11 (in body harness, under rear seat)
B11 (under rear seat)
Bm (at left rear quarterpanel)
C12
C13
C14
C15
C16
C17
C18
C19
Control valve assembly (on left side of vehicle, near driver's seat)
D27
D28
D29
D30
D31
D32
D33
D34
D35
D36
D37
Data link connector (dlc) 1 (on right inner fender panel)
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
E35
Ecu-b2 fuse 10a
Fa+
Fa-
Fb+
Fb-
Fluid pressure sensor (in right rear corner of engine compt)
Gnd
Hot at all times
J/b 7 (behind right side of dash)
J/c 7 (forward of instrument cluster)
Left front damping force control actuator (on left front suspension assembly)
Left front height control sensor (on left inner fender panel)
Left rear damping force control actuator (on left rear suspension assembly)
Q44
Ra+
Ra-
Rb+
Rb-
Rear height control sensor (above left rear wheelwell)
Red
Right front damping force control actuator (on right front suspension assembly)
Right front height control sensor (on right front inner fender panel)
Right kick panel j/b (at right kick panel)
Right rear damping force control actuator (on right rear suspension assembly)
Sil
Suspension control ecu (behind left center of dash)

ENGINE PERFORMANCE

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Lexus LX 470 2003

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List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Lexus LX 470 2003:

(behind left side of dash)
(left front of engine) crankshaft position sensor
(on right side of transmission) park/neutral position switch
(on right side of transmission) transfer l position detection switch
(rear of right cyl head)
(rear of right cyl head) ec
(top left side of engine) camshaft position sensor
+b2
A/c system
Abs & ba & trac & vsc ecu (behind left side of dash)
Accel position sensor (under left side of dash)
Batt
Body ecu (at left kick panel)
C10
C13
C15
C16
C17
C18
C19
C20
Computer data lines system
D12
D13
D17
D22
D27
D28
D30
D31
D34
E03
E10
Ec (rear of right cyl head)
Els
Els1
Eng+
Eng-
Engine control module (ecm) (behind right side of dash)
Eom
Ep1
Ep2
Epa
Epa2
F/ps
G2+
G2-
Gauge 2 fuse 10a
Ge01
Gnd
Hot in on and start
Igsw
Inj 7
Inj 8
J/b 5
J/b 5 (behind left side of dash)
J/b 6 (behind right sid of dash)
J/b 6 (behind right side of dash)
J/c 17 (behind right center of dash)
Lcki
Left kick panel j/b
Me01
Mrel
Nca
Ne+
Ne-
Neo
Ptnk
Red
Right kick panel j/b (at right kick panel)
Sil
Slu+
Slu-
Starting/ charging system
Stsw
Tach
Tbp
Tfn
Transfer neutral position detection switch (on right side of transmission)
Trc+
Trc-
Vapor pressure sensor (on fuel tank)
Vcc
Vcp1
Vcp2
Vpa1
Vpa2
Vsv (pressure switching valve)
Wfse

4.7L, Engine Performance Wiring Diagram (2 of 6) for Lexus LX 470 2003

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List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Lexus LX 470 2003:

(engine harn,
(engine harn, left rear of engine compt) e8
(engine harn, left side of engine compt)
(engine harn, right rear of engine)
Acc cut relay
B10
C/opn relay
D13
D15
D16
D31
D34
D36
Ea (right front of engine compt)
Ec (rear of right cyl head)
Efi or ecd 2 fuse 10a
Efi or ecd relay
Engine room r/b (integral to engine room j/b)
Fuel pump (in fuel tank)
Fuel pump relay
Fuel pump resistor (right side of engine compt)
Heated oxygen sensor (bank 1 sensor 1) (on exhaust pipe, left rear of engine)
Heated oxygen sensor (bank 1 sensor 2) (on exhaust pipe, left underside of vehicle)
Heated oxygen sensor (bank 2 sensor 1) (on exhaust pipe, right side of engine)
Heated oxygen sensor (bank 2 sensor 2) (on exhaust pipe, right underside of vehicle)
Hot at all times
If (behind left kick panel)
J/b 5 (behind right side of dash)
J/c 17 (behind right center of dash)
K16
Left kick panel j/b
Left kick panel j/b (at left kick panel)
Left rear of engine compt)
Nca
Q45
Q51
Red
Right kick panel j/b (at right kick panel)
Stop fuse 10a

4.7L, Engine Performance Wiring Diagram (3 of 6) for Lexus LX 470 2003

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List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Lexus LX 470 2003:

(at right kick panel) right kick panel j/b
Acc
B11
B22
D35
E14
E26
Ec (rear of right cyl head)
Efi or ecd 1 fuse 25a
Engine control module (ecm) (behind right side of dash)
Engine room j/b (on left inner] fender panel)
Hot at all times
Hot in on and start
Ht1a
Ht1b
Ht2a
Ht2b
Ign fuse 7.5a
Ignition switch
Inj 6
J/b 5 (behind left side of dash)
J/c 17 (behind right center of dash)
J/c 8 (behind left side of dash)
Knk1
Knk2
Knock sensor 1 (top left of engine block)
Knock sensor 2 (top right of engine block)
Left kick panel j/b (at left kick panel)
Lock
Nca
Ox1a
Ox1b
Ox2a
Ox2b
Red
Right kick panel j/b (at right kick panel)
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Star
Start
Stoplight switch (on bracket, above brake pedal)
Th01
Th02

4.7L, Engine Performance Wiring Diagram (4 of 6) for Lexus LX 470 2003

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List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
(engine harn, on top of transmission) e5
(engine harn, right rear of engine)
(on left side of transmission) vehicle speed sensor
2nd strt ind
A/t oil temp ind
At/ p
C14
C15
C17
Combination meter
Cpu
D32
Ec (rear of right cyl head)
Ect pwr ind
Electronically controlled transmission solenoid (on left side of transmission)
Hot in on and start
Met fuse 7.5a
Mil ind
Ot+
Ot-
Ot2+
Ot2-
Q78
Red
Right kick panel j/b (at right kick panel)
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Speedometer
Tachometer

4.7L, Engine Performance Wiring Diagram (5 of 6) for Lexus LX 470 2003

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List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Lexus LX 470 2003:

(engine harn, left rear of engine compt) e8
(engine harn, right rear of engine compt)
(engine harn, right rear of engine compt) e4
(on intake, next to air cleaner box) mass airflow (maf) meter
(on upper left side of engine) (ignition) noise filter
2nd strt
D10
E18
E2g
E7 (engine harn, at top left of engine)
Ec (rear of right cyl head)
Electronically controlled transmission pattern select switch
Engine coolant temperature sensor (on top front of engine)
If (behind left kick panel)
Ignition coil & igniter 1
Ignition coil & igniter 2
Ignition coil & igniter 3
Ignition coil & igniter 4
Ignition coil & igniter 5
Ignition coil & igniter 6
Ignition coil & igniter 7
Ignition coil & igniter 8
J/b 5 (behind upper left side of dash)
J/b 6 (behind upper left side of dash)
Left kick panel j/b
M10
Pwr
Red
Right kick panel j/b (at right kick panel)
Tha
Vsv (canister closed valve) (left side of engine compt)
Vsv (evap) (on left side of engine)

4.7L, Engine Performance Wiring Diagram (6 of 6) for Lexus LX 470 2003

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List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Lexus LX 470 2003:

(engine harn, at top left of engine)
(engine harn, right rear of engine compt)
(on right side of transmission)
(on throttle body) throttle control motor & position sensor
(rear of right cyl head)
+bm
A/c system
A/cs
Accr
Acld
At4
Atc
C12
Ccs
Ccv
Cruise control system
D14
D15
E01
E02
E24
E28
E2g
Efii
Efio
Engine control module (ecm) (behind right side of dash)
Engine room j/b (on left inner fender panel)
Etcs fuse 10a
Fpr
Fuel inj 1
Fuel inj 2
Fuel inj 3
Fuel inj 4
Fuel inj 5
Fuel inj 6
Fuel inj 7
Fuel inj 8
Hot at all times
If (behind left kick panel)
Igf1
Igf2
Igt1
Igt2
Igt3
Igt5
Igt6
Igt7
Igt8
Imi
Imo
Inj 1
Inj 2
Inj 3
Inj 4
Inj 5
J/b 4 (behind upper center of dash)
J/b 6 (behind right side of dash)
J/c 17 (behind right center of dash)
J/c 18 (behind right center of dash)
Left kick panel j/b
Left kick panel j/b (at left kick panel)
M15
M16
Mpx1
Mpx2
Nssd
Nssl
Nsw
P/n
P10
P12
P13
P14
Park/neutral position switch
Prg
Pwr
Q66
Q70
Red
Right kick panel j/b (at right kick panel)
Right side of dash)
Shift lock control ecu (below center of dash)
Snwi
Spd
St1
Sta
Stp
Tha
The
Thw
Thwo
Transponder key computer (behind upper
Vta1
Vta2

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Lexus LX 470 2003

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List of elements for Back-up Lamps Wiring Diagram for Lexus LX 470 2003:

B10 (in body harness, above left rear wheelwell)
B17
B17 (in body harness, at right rear of luggage compt)
Back-up light
Bm (at left rear quarterpanel)
E38
Gauge 2 fuse 10a
Hot in on or start
K39
Left kick panel j/b (at left kick panel)
Left rear combination light (inner)
Park/neutral position switch (on right side of transmission)
Right kick panel j/b (at right kick panel)
Right rear combination light (inner)
Trailer socket

Exterior Lamps Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(in body harness, in tailgate) b14
A30
A36
A37
A43
A47
A50
A59
At right rear of luggage compt)
B10
B13
B14
B17
B17 (in body harness,
B24
B35
B37
B39
B40
B49
B58
B60
Bj (under left front seat)
Bk (under front of right front seat)
Bm (at left rear quarterpanel)
Body ecu (at left kick panel)
Bstp
Btil
Combination switch
E35
Ea (at right front of engine compt)
Ee (at left side of engine compt)
Engine room j/b (on left inner fender panel)
F16
Fusible link block (at left side of engine compt, near battery)
Haz
Head
Hot at all times
Idl
J/b 1 fuse 120a
J/b 5 (behind left side of dash)
Junction connector 7 (behind left side of dash, forward of instrument cluster)
Left front turn signal light
Left kick panel j/b (at left kick panel)
Left license plate light
Left parking light
Light control switch
Off
Q25
R12
R13
Right front turn signal light
Right kick panel j/b (at right kick panel)
Right license plate light
Right parking light
Right rear combination light
S26
Stop
Stp1
Stp2
Sub body ecu (at left rear quarterpanel)
Tail
Tail fuse 15a
Tail relay
Til1
Til2
Trly
Turn

Exterior Lamps Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus LX 470 2003:

(in body harness, above left rear wheelwell) b10
(in body harness, at right rear quarterpanel)
A/c control assembly (w/o navigation system)
A12
A13
A47
A49
B10
B14
B15
B17
B24
B65
Bj (under left front seat)
Bm (at left rear quarterpanel)
C11
C14
C17
C18
Center cluster integration panel (w/ navigation system)
Combination meter
Combination switch
D25
D31
D35
E18
E26
E31
E32
E35
E36
Ec (at rear of right cylinder head)
Ecu-ig2 fuse 10a
Ehw
Engine room j/b (on left inner fender panel)
Gnd
Haz- trn fuse 15a
High mounted stop light
Hot at all times
Hot in run or start
Hzr
J/b 6 (behind right side of dash, near engine control module)
Junction connector 14 (behind left center of dash, near windshield)
Junction connector 7 (behind left side of dash, forward of instrument cluster)
K35
K40
Left kick panel j/b (at left kick panel)
Left rear combination light
Left turn ind
M14
Q39
Q78
R10
R11
Right kick panel j/b (at right kick panel)
Right turn ind
Stop
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Tail
Towing brake controller
Towing converter relay (on left rear of cargo area)
Turn
Turn signal flasher (behind left side of dash)
Turn signal switch
W/ navigation
W/o navigation

Trailer Tow Wiring Diagram for Lexus LX 470 2003

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List of elements for Trailer Tow Wiring Diagram for Lexus LX 470 2003:

(at left kick panel)
(at right kick panel) right kick panel j/b
A12
B15
B61
B67
B69
B72
Batt charge fuse 30a
Bk (under front of right front seat)
Brk
C11
D31
D35
E26
E31
E34
E38
Engine room j/b (on left inner fender panel)
Gauge 2 fuse 10a
Gnd
Hot at all times
Hot in on or start
Hot w/ tail relay energized
Ii (behind right side of dash)
J/b 6 (behind right side of dash, near engine control module)
K35
K39
K40
Left kick panel j/b
Left kick panel j/b (at left kick panel)
M14
Park/neutral position switch (on right side of transmission)
Red
Right kick panel j/b (at right kick panel)
Stop
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Tail
Tail fuse 15a
Towing brake controller
Towing brk fuse 30a
Towing converter relay (on left rear of cargo area)
Towing fuse 30a
Towing tail fuse 30a
Trailer socket
Turn signal flasher (behind left side of dash)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Lexus LX 470 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Lexus LX 470 2003:

A/c control assembly
A39
A40
A43
A44
A46
A49
A51
Abs & ba & trac & vsc actuator
Abs & ba & trac & vsc ecu
Acc relay
Air vent mode control servo motor
Auto antenna control relay
Auto wiper ecu
B13
B2 (body harness, in left front door)
B3 (body harness, at kick panel, near middle of left front door)
B5 (body harness, at center of windshield header)
Body ecu
C11
Center cluster integration panel
Cigarette lighter
D18
D22
D23
Damping mode select switch & height control switch
Data link conn 3
Defog relay
Driving position memory switch
E10
E18
E22
E34
E8 engine harness, at left rear of engine compt)
Ee (left side of engine compartment)
Electronically controlled transmission pattern select switch
Engine control module
From a on a this page
From d on page 2 of 4
From e on page 2 of 4
From g on b this page
Front interior light, rear personal light
Front personal light
Front power outlet
Fuel pump
I2 (dash harn, behind left side of dash)
Ign no.2 relay
Inner mirror
J/b n0.4 (behind upper left side of dash)
Junction connector j14 (behind upper right side of dash)
Junction connector j15 & j16 (behind upper right side of dash)
Junction connector j9 (behind upper center of dash)
K33
Key interlock solenoid
L11
L14
Left door key lock & unlock switch
Left door lock motor, left front door unlock detection switch
Left kick panel j/b (left kick panel)
Left rear power window control switch
Left remote control mirror
Left vanity mirror
M10
M11
Mayday ecu
Moon roof control ecu
Moon roof control switch
Night view ecu
Overhead j/b
Power window master switch
Q20
Q23
Q43
Rain sensor
Rear heater power transistor
Remote control mirror ecu
Right kick panel j/b (right kick panel)
Right vanity mirror
Seat ecu
Shift lock control ecu
Steering sensor
Suspension control ecu
Theft deterrent ecu
To a on this page
To b on this page
To c on page 2 of 4
Transponder key computer
Unlock warning switch
V10
V11
Vgrs ecu

Ground Distribution Wiring Diagram (2 of 4) for Lexus LX 470 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Lexus LX 470 2003:

A23
A24
A30
A34
A36
A37
A42
A43
A45
A52
A53
Ahc relay
B10 (body harness, above left rear wheelwell)
B11 (body harness, under rear seat)
B14 (body harness, in tailgate)
B17 (body harness, at right rear of luggage compartment)
B35
B39
B4 (body harness, at kick panel, at rear of left front door)
B40
B42
B43
B44
B56
Back door courtesy switch
Back door key unlock and lock switch
Back door lock motor, back door unlock detection switch
Bj (under left front seat)
Bm (at left rear quarter panel)
Daytime running light relay no.3
Door control receiver
Driver side j/b (behind lower left end of dash)
E1 (engine harness, behind right headlight)
E10 (engine harness, behind left headlight)
Ea (at right front of engine compartment)
Efi or ecd relay
Engine hood courtesy switch
Engine room j/b
Engine room relay block
Exhaust gas sensor
From c on page 1 of 4
From g on page 3 of 4
Glove box light
Headlight cleaner control relay
Headlight cleaner motor
High mounted stop light
Htr relay
I3 (dash harness, behind left side of dash)
Ig1 no.1 relay
Junction connector j19 (behind right side of dash)
Junction connector j23 (at left rear wheelwell)
Left buckle switch
Left front damping force control actuator
Left front fog light
Left front turn signal light
Left headlight (high)
Left headlight (low)
Left license plate light
Left parking light
Left power quarter window switch
Left rear combination light
Left rear damping force control actuator
Luggage compartment power outlet
Night view switch
Pressure switch
Rear left door lock motor, rear left door unlock detection switch
Rear window defogger
Rear wiper motor
Remote control mirror switch
Rheostat
Right front damping force control actuator
Right front fog light
Right front turn signal light
Right headlight (high)
Right headlight (low)
Right license plate light
Right parking light
Right power quarter window switch
Right rear combination light
Right rear damping force control actuator
Roll sensing of curtain shield airbag cutoff switch
Starter relay
Sub body ecu
To d on page 1 of 4
To e on page 1 of 4
To f on page 3 of 4
Washer level warning switch

Ground Distribution Wiring Diagram (3 of 4) for Lexus LX 470 2003

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Lexus LX 470 2003:

A/c amplifier
A/c amplifier shields
A/c control assembly
A49
Ahc main relay
Ahc pump motor
Auto antenna motor
Auto antenna motor shields
B13 (body harness, above right rear wheelwell)
B26 (body harness, (below right front seat)
B7 (body harness, in right front door)
B9 (body harness, at kick panel, at rear of right front door)
Bk (under front of right front seat)
Blower motor controller
Center diff lock control relay
Combination switch
D10
D16
D18
D42
Data link conn 1
Driver's seat heater switch
Dvd automatic changer
E2 (engine harness, at right rear of engine compt)
E34
E35
Eb (right side of engine compt)
F10
From f on page 2 of 4
From h on h this page
Front passenger's seat heater switch
Front right power seat control switch
Front right seat cushion heater
Front suspension control ecu
Front wiper motor
Gateway ecu
I6 (dash harness, behind left side of dash)
Ign no.3 relay
J/b (right kick panel)
J/b no.4 (behind upper center of dash)
Junction connector j1 (behind left side of dash)
Junction connector j10 & j11 (behind upper left center of dash)
Junction connector j15 & j16 (behind upper right side of dash)
Junction connector j22 (behind upper right side of dash)
Junction connector j24 (at right rear wheelwell)
Junction connector j7 (behind left side of dash)
Junction connector j9 (behind upper center of dash)
K31
M12
Mayday ecu shields
Middle of rear bumper)
Multi- display
Navigation ecu
Navigation ecu shields
Q58
Rear console power outlet
Rear cooler power transistor
Right door key lock & unlock switch
Right door lock control switch
Right door lock motor, right front door unlock detection switch
Right front power window control switch
Right kick panel
Right kick panel j/b (right kick panel)
Right rear combination light
Right rear door lock motor, right rear door unlock detection switch
Right rear power window control switch
Right remote control mirror
Telescope motor shield
Tilt motor shield
Tilt & telescope ecu
To g on page 2 of 4
To h on this page
Towing brake controller
Towing converter relay
Trailer socket
Turn signal flasher
Vgrs ecu
W/ nav
W/o nav

Ground Distribution Wiring Diagram (4 of 4) for Lexus LX 470 2003

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Lexus LX 470 2003:

A/c lock sensor, a/c magnetic clutch
B9 (body harness, at kick panel, at rear of right front door)
Bl (under rear of right front seat)
Body ecu
C17
C32
Camshaft position sensor shield
Center airbag sensor assembly
Center differental lock control motor
Center differental lock detection switch
Combination meter
Combination switch
Crankshft position sensor shield
Data link connector 3
E10
E4 (engine harness, at right rear of engine)
E6 (engine harness, on top of transmission)
Ec (at rear of right cylinder head)
Ed (at rear of left cylinder head)
Engine control module
Gateway ecu
Heated oxygen sensor (bank 1 sensor 1) shield
Heated oxygen sensor (bank 1 sensor 2) shield
Heated oxygen sensor (bank 2 sensor 1) shield
Heated oxygen sensor (bank 2 sensor 2) shield
Ignition coil and ignitor no.1
Ignition coil and ignitor no.2
Ignition coil and ignitor no.3
Ignition coil and ignitor no.4
Ignition coil and ignitor no.5
Ignition coil and ignitor no.6
Ignition coil and ignitor no.7
Ignition coil and ignitor no.8
Ignition noise filter
Junction connector j17 (behind (right center of dash)
Knock sensor 1 shield
Knock sensor 2 shield
Left kick panel j/b (left kick panel)
Of engine)
Oil pressure sender shield
Q14
Q40
Q53
R37
Radio and player
Rear seat audio controller
Right kick panel j/b (right kick panel)
S18
Seat ecu
Shielded
Stereo component amplifier
Sub body ecu
Transfer neutral position detection switch
Vehicle speed sensor

HEADLIGHTS

Headlights Wiring Diagram, with DRL (1 of 2) for Lexus LX 470 2003

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List of elements for Headlights Wiring Diagram, with DRL (1 of 2) for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
A16
A40
A61
A62
A64
Acc
Acc fuse 7.5a
Auto
Automatic light control sensor (on top right side of dash)
B24
B38
B59
Bdr1
Becu
Body ecu (at left kick panel)
Cltb
Clte
Clts
Combination switch
Dcty
Dimmer switch
Door fuse 25a
Drl
E10
E11
E14
E18
E23
E35
Ea (at right front of engine compt)
Ecu-ig1 fuse 10a
Engine room j/b (on left inner fender panel)
Exterior lights system
Flash
Fog light switch
Foglight
Fr fog fuse 15a
Fr fog relay
Generator
Gnd1
Gnd2
Head
Hf2
High
Hot at all times
Hot in acc or on
Hot in on or start
Hrly
If (behind left kick panel)
Ig (behind left side of dash)
Interior lights system
Junction connector 15 (behind left center of dash, near windshield)
Junction connector 3 (behind upper left side of dash)
Junction connector 7 (behind left side of dash, forward of instrument cluster)
K10
Ksw
Left front
Left kick panel j/b (at left kick panel)
Light control switch
Low
Off
Pkb
Q22
Q37
Q53
Red
Right front
Right kick panel j/b (at right kick panel)
Sig
Tail
Trly
Unlock warning switch

Headlights Wiring Diagram, with DRL (2 of 2) for Lexus LX 470 2003

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List of elements for Headlights Wiring Diagram, with DRL (2 of 2) for Lexus LX 470 2003:

(at right front of engine compt) ea
(in engine harness, behind right headlight) e1
A12
A19
A22
A24
A26
A30
B10
B13
B22
C14
C16
Combination meter
Daytime running light relay 3 (at right side of engine compt)
E1 (in engine harness, behind right headlight)
Ea (at right front of engine compt)
Ecu-b2 fuse 10a
Engine room j/b (on left inner fender panel)
Head hi relay
Head relay
Hot at all times
Indicator high beam
Junction connector 20 (behind right side of dash, near windshield)
K27
Left front door courtesy switch
Left headlight (high)
Left headlight (low)
Left kick panel j/b (at left kick panel)
Left lower head fuse 10a
Left upper head fuse 20a
Parking brake switch (on base of park brake lever)
Q31
Q71
Right headlight (high)
Right headlight (low)
Right kick panel j/b (at right kick panel)
Right lower head fuse 10a
Right upper head fuse 20a

Headlights Wiring Diagram, without DRL (1 of 2) for Lexus LX 470 2003

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List of elements for Headlights Wiring Diagram, without DRL (1 of 2) for Lexus LX 470 2003:

A16
A61
A62
A64
Acc
Acc fuse 7.5a
Auto
Automatic light control sensor (on top right side of dash)
B24
B59
Bdr1
Becu
Body ecu (at left
Cltb
Clte
Clts
Combination switch
Dcty
Dimmer switch
Door fuse 25a
Drl
E10
E11
E18
E23
E35
Ea (at right front of engine compt)
Ecu-ig1 fuse 10a
Engine room j/b (on left inner fender panel)
Exterior lights system
Flash
Fog light switch
Foglight
Fr fog fuse 15a
Fr fog relay
Gnd1
Gnd2
Head
Hf2
High
Hot at all times
Hot in acc or on
Hot in on or start
Hrly
If (behind left kick panel)
Ig (behind left side of dash)
Interior lights system
Junction connector 15 (behind left center of dash, near windshield)
Junction connector 3 (behind upper left side of dash)
Junction connector 7 (behind left side of dash, forward of instrument cluster)
Kick panel)
Ksw
Left front
Left kick panel j/b (at left kick panel)
Light control switch
Low
Off
Q22
Q53
Red
Right front
Right kick panel j/b (at right kick panel)
Sig
Tail
Trly
Unlock warning switch

Headlights Wiring Diagram, without DRL (2 of 2) for Lexus LX 470 2003

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List of elements for Headlights Wiring Diagram, without DRL (2 of 2) for Lexus LX 470 2003:

A12
A19
A22
A23
A24
A26
A30
B10
B13
B22
C14
C17
Combination meter
E1 (in engine harness, behind right headlight)
Ea (at right front of engine compt)
Ec (at rear of right cylinder head)
Ecu-b2 fuse 10a
Engine room j/b (on left inner fender panel)
Head hi relay
Head relay
High beam indicator
Hot at all times
Junction connector 20 (behind right side of dash, near windshield)
K10
Left front door courtesy switch
Left headlight (high)
Left headlight (low)
Left kick panel j/b (at left kick panel)
Left lower head fuse 10a
Left upper head fuse 20a
Q71
Right headlight (high)
Right headlight (low)
Right kick panel j/b (at right kick panel)
Right lower head fuse 10a
Right upper head fuse 20a

HORN

Horn Wiring Diagram for Lexus LX 470 2003

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List of elements for Horn Wiring Diagram for Lexus LX 470 2003:

A15
B21
Combination switch
Engine room j/b (on left inner fender panel)
Horn
Horn fuse 10a
Horn relay
Horn switch
Hot at all times
Junction connector 18 (behind right center of dash, near windshield)
Left horn
Left kick panel j/b (at left kick panel)
Q24
Right horn
Theft deterrent ecu (behind center of dash)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(usa)
(except usa)
2nd strt ind
A/t oil temp ind
A/tp ind
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Acc fuse 7.5a
Anti-lock brakes system
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
Buzzer
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
Charge ind
Combination meter
Computer data lines system
Cruise ind
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
Dome fuse 10a
Door locks system
Ec (at rear of right cylinder head)
Ect pwr ind
Ecu-b2 fuse 10a
Electronic power steering system
Electronic suspension system
Engine controls system
Exterior lights system
Fuel guage
Fuel ind
Gauge 1 fuse 10a
Gauge 2 fuse 10a
Headlight ind
Headlights system
Hot at all times
Hot in acc or on
Hot in on or start
Interior lights system
Interior lights, warning systems
Junction connector 18 (behind right center of dash, near windshield)
Left kick panel j/b (at left kick panel)
Met fuse 7.5a
Navigation system
Navigation, engine controls, sound, air conditioning systems
Off
Oil pressure gauge
Q44
Q45
Q57
Q65
Right kick panel j/b (at right kick panel)
Seat belt ind
Speedometer
Srs ind
Tachometer
Tail ind
Temp gauge
To combination meter (diagram 2 of 2)
Transmissions system
Vehicle speed sensor (combination meter) (on left side of transmission)
Voltmeter
W/o drl
Warning system
Wiper/washer system

Instrument Cluster Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus LX 470 2003:

(except usa)
(usa)
A11
A12
A22
Abs
B11
B13
B14
B15
B16
B17
B18
B19
B33
B63
Beam ind
Body ecu (at left kick panel)
Brake
C18
C19
C20
Center diff lock ind
Combination meter
D14
D17
Dcy2
Door ind
E14
Ec (at rear of right cylinder head)
Engine room j/b (on left inner fender panel)
From combination meter (diagram 1 of 2)
Fuel pump & sender (in fuel tank)
Head lh-lwr fuse 10a
Head rh-upr fuse 20a
Hot w/ head hi relay energized
Hot w/ head relay energized
Hot w/ tail relay energized
Junction connector 17 (behind right center of dash, near windshield)
Junction connector 19 (behind right side of dash, near windshield)
K13
K19
K21
K27
Left kick panel j/b (at left kick panel)
Left turn ind
Malfunction indicator lamp
Nca
Night view ind
Oil pressure sender (on lower left front side of engine)
Panel fuse 7.5a
Parking brake switch (on base of park brake lever)
Pkb
Q31
Q37
Q42
Q61
Q62
Q63
Q83
Rear light ind
Right turn ind
Rsca off ind
Slip ind
Trac ind active trac ind
Vgrs ind
Vsc off ind
Vsc trac ind
W/o drl
Washer ind

Night Vision Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Night Vision Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(behind left kick panel)
(behind left side of dash)
(j/c 15: behind left center of dash, near windshield) (j/c 16: behind upper right side of dash)
6vout
6vret
A54
Auto
Automatic light control sensor (on top right side of dash)
B18
B51
Becu
Body ecu (at left kick panel)
Cb+
Cgnd
Cltb
Clte
Clts
Cntsv
Combination switch
Con
Cv+
D10
Dimmer switch
E10
E11
E35
Ecu-b2 fuse 10a
Ecu-ig1 fuse 10a
Engine room j/b (on left inner fender panel)
Flash
Flash low
Gauge 1 fuse 10a
Gauge 2 fuse 10a
Gnd
Gnd1
Gnd2
Head
Herly
Hf2
High
Hot at all times
Hot in on or start
Hrly
Ind1
Ind2
J/c 15 & 16
J/c 15 & 16 (j/c 15: (behind left center of dash, near windshield) (j/c 16: behind upper right side of dash)
J/c 19 (behind right side of dash, near windshield)
J/c 20 (behind right side of dash, near windshield)
J/c 7 (behind left side of dash, forward of instrument cluster)
J15
J16
Lamp
Left kick panel j/b (at left kick panel)
Light control switch
Low
Met fuse 7.5a
Nca
Night view camera (on roof, in front of moon roof)
Night view ecu (behind left side of dash)
Night view switch
Ntsc
Ntscre
Nvsw
Off
Q22
Q43
Q44
Q65
Q71
Red
Reo
Right kick panel j/b (at right kick panel)
Sg2
Sig
Tail

Night Vision Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Night Vision Wiring Diagram (2 of 2) for Lexus LX 470 2003:

-tl
-tr
6vin
6vout
A11
B17
B22
B36
Battery ecu
C/c fh
C/c out
C14
C17
Com
Combination meter
Csync
Dim
Display
E1 (in engine harness, behind right headlight)
Ea (at right front of engine compartment)
Ec (at rear of right cylinder head)
Engine room j/b (on left inner fender panel)
Engine room relay block
F16
Fusible link block (at left side of engine compt, near battery)
Gnd
Head lights system
Head relay
Hot at all times
Hot in on or start
Hsy
Ir relay
J/c 18 (behind right center of dash, near windshield)
J/c 20 (behind right side of dash, near windshield)
Led
Left night view projector (at left front of engine compt, below headlight)
Lp/f relay
Lp1
Lp2
Main fuse 120a
Md1
Md2
Ms1
Ms2
Mscom
Night view
Night view ecu (behind left side of dash)
Night view ind
Nv ir fuse 20a
Polc
Pols
Right night view projector (at right front of engine compt, below headlight)
Short pin (b)
Speedometer
Tel fuse 7.5a
Vdd
Vdd2
Vee2
Vehicle speed sensor (combination meter) (on left side of transmission)
Vgh
Vgl
Vsy
Wrn

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 3) for Lexus LX 470 2003

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List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Lexus LX 470 2003:

(in body harness, at kick panel, at rear of left front door)
Acc
Acc fuse 7.5a
B10
B2 (in body harness, in left front door)
B3 (in body harness, at red kick panel, near middle of left front door)
B7 (in body harness, in right front door)
B9 (in body harness, at kick panel, at rear of right front door)
Bdr1
Bj (under left front seat)
Body ecu (at left kick panel)
Dcty
Dcyl
Door fuse 25a
E40
Ecu-ig1 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in acc or on
Hot in on or start
J13
J14
K22
K23
K29
Lcyl
Left front door courtesy light
Left front inside door handle illumination
Left kick panel j/b (at left kick panel)
Left rear door courtesy light
Left rear inside door handle illumination
Left side step light left & outer foot light
Left spot light illumination
Lspt
Mpx1
Pcty
Pcyl
Q10
Q11
Q30
Q35
Q41
Q42
Q80
Rbd1
Rbd2
Rcyl
Red
Right front door courtesy light
Right front inside door handle illumination
Right kick panel j/b (at right kick panel)
Right rear door courtesy light
Right rear inside door handle illumination
Right side step light right & outer foot light
Right spot light illumination
Rlcy
Rrcy
Rspt
S26
S27
Sig
Sub body ecu (at left rear quarterpanel)
Ul1
Ul2

Courtesy Lamps Wiring Diagram (2 of 3) for Lexus LX 470 2003

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List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Lexus LX 470 2003:

B10
B2 (in body harness, in left front door)
Back door key lock & unlock switch
Bdr
Bj (under left front seat)
Cpub
D12
D13
Dome fuse 10a
E15
E42
Ecu-b2 fuse 10a
Gauge2 fuse 10a
Gnd
Hot at all times
Hot in on or start
J/b 6 (behind right side of dash, near engine control module)
J/c 23 (at left rear wheelwell)
K10
K24
K26
Keye
Kul
Left door key lock & unlock switch
Left front door courtesy switch
Left kick panel j/b (at left kick panel)
Left rear door courtesy switch
Mpx1
P/w (fl) fuse 20a
Park/ neutral position switch (on right side of transmission)
Power window master switch
Q12
Q17
Q71
Red
Right door key lock & unlock switch
Right door lock control switch
Right front door courtesy switch
Right kick panel j/b (at right kick panel)
Right rear door courtesy switch
Sig

Courtesy Lamps Wiring Diagram (3 of 3) for Lexus LX 470 2003

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List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Lexus LX 470 2003:

(in body harness, at center of windshield header) b5
Back door courtesy switch
Bcty
Becu
Body ecu (at left kick panel)
Dome relay
Door
Door control receiver (at left "d" pillar)
E12
E15
E22
Front interior light & rear personal light
Front personal light
Ignition key cylinder light
Ile
J/c 18 (behind right center of dash, near windshield)
J/c 23 (at left rear wheelwell)
K22
L11
L18
Left kick panel j/b (at left kick panel)
Left vanity light
Lmry
Mpx1
Mpx3
Off
Prg
Q13
Q22
Q27
Q79
Rda
Rear interior light
Red
Right vanity light
Theft deterrent ecu (behind center of dash)

Instrument Illumination Wiring Diagram for Lexus LX 470 2003

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List of elements for Instrument Illumination Wiring Diagram for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
(at right kick panel) right kick panel j/b
(behind left side of dash) auto wiper ecu
(behind upper left side of dash) j/c 4
(behind upper right side of dash) j/c 16
(in dash harness, behind left side of dash)
(in dash harness, behind left side of dash) i3
(near windshield) j/c 15
A/c amplifier (at right side of cargo area)
A/c control assembly
A/t shift lever illum
A11
A13
A14
A33
Acc
Ashtray illum
B11
B13
B24
B49
B63
Bk (under front of right front seat)
Body ecu (at left kick panel)
C13
C14
C15
C17
C20
Center cluster integration panel
Cigarette lighter illum
Combination meter
Combination switch
D13
D15
D16
D35
Damping mode select switch & height control switch
Driver's seat heater switch
E35
Ec (at rear of right cylinder head)
Electronically controlled transmission pattern select switch
Engine room j/b (on left inner fender panel)
Front pass- enger's seat heater switch
Fusible link block (at left side of engine compt, near battery)
Gauge 1 fuse 10a
Glove box light
Head
Hot at all times
Hot in on or start
Ilen
Ill-
J/b 1 fuse 120a
J/b 4 (behind upper center of dash)
J/c 10 & 11 (j/c 11: behind upper left center of dash)
J/c 12 (below instrument cluster)
J/c 13 (near windshield)
J/c 18 (behind right center of dash, near windshield)
J/c 19 (behind right side of dash, near windshield)
J/c 24 (at right rear wheelwell)
J/c 3 (behind upper left side of dash)
J/c 4 (behind upper left side of dash)
J/c 7 (behind left side of dash, forward of instrument cluster)
J10
J11
J12
J13
J15
J16
K20
L14
Left kick panel j/b (at left kick panel)
Left power quarter window switch
Light control switch (combination switch)
M12
Multi- display
Night view switch
Off
Overhead gill j/b (at front center gnd of roof)
Panel fuse 7.5a
Q43
Q55
Q58
Q65
Q68
Q83
Remote control mirror switch
Rheostat
Right kick panel j/b (at right kick panel)
Right power quarter window switch
Roll sensing of curtain shield air bags cutoff switch
Sub body ecu (at left rear quarterpanel)
Tail
Tail relay
Trly
W/ navigation
W/o navigation

MEMORY SYSTEMS

Memory Systems Wiring Diagram (1 of 3) for Lexus LX 470 2003

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List of elements for Memory Systems Wiring Diagram (1 of 3) for Lexus LX 470 2003:

(in body harness, in left front door)
Acc
Acc fuse 7.5a
Bdr1
Becu
Body ecu
C14
C32
Center air bag sensor assembly (under front of center console)
D12
D13
D34
D37
D38
D39
Dcty
Defogger system
Door fuse 25a
Driving position memory switch
E18
E23
Ecu-b2 fuse 10a
Ecu-ig1 fuse 10a
Ecu-ig2 fuse 10a
Gauge 2 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or acc
Hot in on or start
Hsrl
Hsrr
I11
J/b 4 (behind upper center of dash)
J/b 6 (behind right side of dash, near engine control module)
J12
J13
K10
K14
K15
K23
Ksw
Left front door courtesy switch
Left kick panel j/b (at left kick panel)
Left remote control mirror
M+l
M+r
Mhl
Mhr
Mirb
Mire
Mpx1
Mpx2
Mvl
Mvr
P r
Park/ neutral position switch (on right side of transmission)
Q22
Q44
Q71
Rcan
Red
Remote control mirror ecu (behind left side of dash)
Rev
Right kick panel j/b (at right kick panel)
Set
Sig
Swhr
Swvr
Til & tel fuse 20a
Unlock warning switch
Vdd
Vsrl
Vssr

Memory Systems Wiring Diagram (2 of 3) for Lexus LX 470 2003

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List of elements for Memory Systems Wiring Diagram (2 of 3) for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
(at right kick panel) right kick panel j/b
(behind right side of dash, near windshield)
(in dash harness, behind left side of dash)
(on steering
A nca
Column)
Com1
Com2
Combination switch
D40
D41
D42
Defogger system
E41
Ecub
F/b1
F/b2
Gnd
J/c 1 (behind left side of dash, near steering column)
J/c 19
J/c 3 (behind upper left side of dash)
J14
Left kick panel j/b (at left kick panel)
Mpx1
Mpx2
Msw
Nca
Nca a
Operation
Pnk
Q31
Q32
Q33
Q37
Q59
Q60
Red
Remote control mirror switch
Right kick panel j/b (at right kick panel)
Right remote control mirror
S5v1
S5v2
Select switch
Sg1
Sg2
Sin1
Sin2
Switch
Tele long
Tele short
Telescopic motor (on steering column)
Tilt & telescopic ecu (behind left side of dash)
Tilt down
Tilt motor
Tilt up
Vdd

Memory Systems Wiring Diagram (3 of 3) for Lexus LX 470 2003

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List of elements for Memory Systems Wiring Diagram (3 of 3) for Lexus LX 470 2003:

Driver's seat lumbar support control switch
Hot at all times
K33
Left kick panel j/b (at left kick panel)
Left seat fuse 30a
Nca
Power seat control switch (driver's seat)
Power seat ecu (below driver's seat)
Power seat motor (driver's seat front vertical control)
Power seat motor (driver's seat lumbar support control)
Power seat motor (driver's seat rear vertical control)
Power seat motor (driver's seat reclining control)
Power seat motor (driver's seat slide control)
Power seat position sensor (driver's rear vertical control)
Power seat position sensor (driver's seat front vertical control)
Power seat position sensor (driver's seat reclining control)
Power seat position sensor (driver's seat slide control)
Red
S28

NAVIGATION

Mayday Wiring Diagram for Lexus LX 470 2003

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List of elements for Mayday Wiring Diagram for Lexus LX 470 2003:

(at right rear wheelwell) junction connector 24
(under front of right front seat) bk
Acc
Acc fuse 7.5a
Antenna
B13
B23
B23 (in body harness, below right front seat)
B36
Back up battery
Bus buffer computer
C32
Center air bag sensor assembly (under front of center console)
Console)
D11
D13
D34
E37
Engine room j/b (on left inner fender panel)
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
Ignition switch lock
Ind1
Ind2
Junction connector
Junction connector 24 (at right rear wheelwell)
L11
L14
Left kick panel j/b (at left kick panel)
Left rear door speaker
M10
M11
Mayday ecu
Mayday ecu (under center
Mic+
Mic-
Mpx1
Multi- display
Navigation ecu (under right front seat)
Nca
Overhead j/b (at front center of roof)
Pnk
Red
Right kick panel j/b (at right kick panel)
Rl+
Rl-
S18
S19
Sgnd
Snse
Start
Stereo component amplifier (under right front seat)
Tacc
Tel fuse 7.5a
Tmut
Transceiver
Tx+
Tx-

Navigation Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Navigation Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(at front center of roof) (w/o lexus link) overhead j/b
(at right rear wheelwell) j/c 24
(behind center of dash) theft deterrent ecu
(behind center of dash) transponder key computer
(in body harness, in left front door) b2
(under center console) mayday ecu
(under front of right front seat)
Acan
Acc
Aui+
Aui-
Auo+
Auo-
B13
B23
B23 (below right front seat) pnk
Bk (under front of right front seat)
Body ecu (at left kick panel)
D11
D12
D13
E19
E21
E27
E38
Ecu-b2 fuse 10a
Fl+
Fl-
Front seat)
Gauge 2 fuse 10a
Gnd
Hot at all times
Hot in on or start
Ind
J/b 4 (behind upper center of dash)
J/c 18 (behind right center of dash)
K16
K27
K32
K39
Left front door speaker
Left kick panel j/b (at left kick panel)
Left tweeter (7 speaker)
M10
Macc
Mic+
Mic-
Mute
N-mu
Navigation ecu (under right
Nca
Park/neutral position switch (on right side of transmission)
Parking brake switch (on base of park brake lever)
Pnk
Q22
Q29
Q43
Q44
Q71
Q76
Radio fuse 10a
Red
Rev
Right kick panel j/b (at right kick panel)
S18
S19
Sgnd
Snse
Spd
Stereo component amplifier (under right front seat)
Sync
Tacc
Tx+
Tx-
W/ lexus link
W/ lexus link system
W/o lexus link
W/o lexus link system

Navigation Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Navigation Wiring Diagram (2 of 2) for Lexus LX 470 2003:

(at right kick panel) right kick panel j/b
(behind upper center of dash) j/b 4
+b1
A/c control assembly
A10
A47
Acc
Acc fuse 7.5a
Batt
Behind upper right side of dash)
C12
C17
Combination meter
D10
D11
D12
D16
D21
D33
Data link connector (dlc) 1 (on right inner fender panel)
Data link connector (dlc) 3 (behind left side of dash, right of steering column)
Dvd automatic changer
E10
E24
Ec (at rear of right cylinder head)
Ecu-b1 fuse 10a
Ecu-ig1 fuse 10a
Engine control module (behind right side of dash)
Gateway ecu (behind center of dash)
Gauge 1 fuse 10a
Gnd
Gnd1
Gtx+
Gtx-
Hot at all times
Hot in on or acc
Hot in on or start
J/b 4 (behind upper center of dash)
J/b 7 (behind right side of dash)
J/c 15 & 16 (j/c 15: behind left center of dash) (j/c 16: j16
J/c 18 (behind right center of dash)
J15
J16
Junction connector 16 (behind upper right side of dash)
Left kick panel j/b (at left kick panel)
Mpd1
Mpd2
Mpx+
Mpx-
Mpx1
Mpx2
Multi-display
Nca
Ntcs
Ntsc
Pkb
Pnk
Q18
Q57
Q65
Q66
R36
Radio & player
Red
Right kick panel j/b (at right kick panel)
Sgd1
Sgnd
Spd
Speedometer
Sync
Tx+
Tx-
Tx3+
Tx3-
Vehicle spped sensor (combination meter) (on left side of transmission)

POWER ANTENNA

Power Antenna Wiring Diagram for Lexus LX 470 2003

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List of elements for Power Antenna Wiring Diagram for Lexus LX 470 2003:

A/c control assembly
A47
A49
Acc
Acc fuse 7.5a
Ant
Antd
Antu
Auto antenna control relay (behind glove box)
Auto antenna motor (at right rear of engine compt)
B10
Center cluster integration panel
D15
D17
D22
D24
D29
Down
E11
E18
Ecu-ig2 fuse 10a
Gnd
Hot at all times
Hot in acc or on
Hot in on or start
J/b 4 (behind center of dash)
J/b 4 (behind upper center of dash)
J/c 14 (behind left center of dash,
J/c 22 (behind upper right side of dash)
Left kick panel j/b (at left kick panel)
Nca
Near windshield)
R37
Radio & player
Radio fuse 10a
Red
Right kick panel j/b (at right kick panel)
S-antd
S-antu
Sdwn
Sgnd
Sig
Sup
Vcc
W/ navigation
W/o navigation

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Lexus LX 470 2003

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List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus LX 470 2003:

A39
A49
A50
A58
A59
A60
A63
Abs 1 fuse 50a
Abs 2 fuse 40a
Abs mtr2 relay
Abs sol relay
Ahc fuse 50a
Ahc relay
Air conditioning system
Alt fuse 140a
Alt s fuse 7.5a
Am2 fuse 15a
Amp fuse 30a
B11
B24
B36
B39
B47
B49
B50
B58
B60
B61
B62
B63
B65
B67
B69
B70
B72
Bat fuse 30a
Battery
Body ecu
Ee (at left front of engine compartment)
Efi or ecd 1 fuse 15a
Efi or ecd relay
Engine control, transmission, cruise control system
Engine room j/b (on left inner fender panel)
Engine room r/b
Etcs fuse 10a
Exterior lights system
Exterior lights, antitheft system
F16
F17
F18
F19
F20
Fr fog fuse 15a
Fr fog relay
Fr ig fuse 10a
From b on this page
From i on page 2 of 3
Fusible link block (at left side of engine compt, near battery)
Haz trn fuse 15a
Head clner fuse 20a
Head hi relay
Head relay
Headlights system
Horn fuse 10a
Horn relay
Htr fuse 50a
Ig1 no.1 relay
Instrument cluster navigation system
Instrument cluster system
Interior lights, instrument cluster system
J/b 1 fuse 120a
J/b 2 fuse 120a
J/b 3 fuse 120a
Left kick panel j/b
Main fuse 120a
Mir htr fuse 15a
Mir htr relay
Nca
Not used
Nv ir fuse 20a
Panel fuse 7.5a
Rr htr fuse 10a
Rr htr relay
Short pin
Sound system
Starter fuse 30a
Starting/ charging system
Tail fuse 15a
Tail relay
Tel fuse 7.5a
To a on page 2 of 3
To b on this page
To c on page 3 of 3
To d on page 3 of 3
To e on page 2 of 3
Towing brk fuse 30a
Towing fuse 30a
Towing tail fuse 30a
Trly

Power Distribution Wiring Diagram (2 of 3) for Lexus LX 470 2003

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List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus LX 470 2003:

A/c fuse 15a
A10
Acc
Acc fuse 7.5a
Acc relay
Ahc b fuse 15a
Ahc ig fuse 20a
Air conditioning system
Am1
Am1 fuse 7.5a
Am2
Antilock brakes system
B18
Batt charge fuse 30a
Bdr1
Bm (at left rear quarter panel)
Body computer system
Body ecu
Cig fuse
Cigarette lighter
D10
D11
D14
D16
D17
D19
D20
D21
D25
D31
Defog fuse 20a
Defog relay
Door fuse 25a
E31
E32
E37
E39
E40
E41
Ecu b1 fuse 10a
Ecu ig1 fuse 10a
Electronic steering system
Electronic suspension system
Engine control, instrument cluster, interior lights, wiper/washer, transmission, cruise control, electronic suspension, power windows, warnings, navigation, body computer system
Engine controls system
Engine controls, exterior lights, wiper/washer, transmission, cruise control, antilock brakes, electronic suspension, bodu computer, shiftlock system
Exterior lights system
From a on page 1 of 3
From e on page 1 of 3
From f on this page
Front power outlet
Gauge 1 fuse 10a
I11
Ig1
Ig1 no.2 relay
Ig2
Ignition switch
Instrument cluster, body computer, warnings, navigation, system
J/c 14 (top right side of dash)
J/c 15 & 16 (top right side of dash)
K23
L10
L19
Left kick panel j/b (at left kick panel)
Lh seat fuse 30a
Lock
Luggage compt power outlet
Navigation instrument cluster system
Navigation system
Navigation, instrument cluster shiftlock. system
Navigation, instrument cluster, sound system
Not used
Obd 2 fuse 7.5a
Power mirror system
Power seats system
Power tops system
Power tops, power mirrors system
Pwr outlet fuse 15a
Q16
Q17
Q21
Q44
Q57
Q64
Q65
Q77
Rear console box power outlet
Right kick panel j/b (at right kick panel)
Rr wiper fuse 15a
Shiftlock, sound system
Sig
St2
Start
Stop fuse 15a
Sun roof fuse 25a
To f on this page
To g on page 3 of 3
To h on page 3 of 3
To i on page 1 of 3
To j on page 3 of 3
To k on page 3 of 3
Transmission, air conditioning system
Warnings, air conditioning system
Wiper/ washer, body computer system

Power Distribution Wiring Diagram (3 of 3) for Lexus LX 470 2003

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List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus LX 470 2003:

Acc cut relay
Air conditioning system
Anti theft, body computer system
Anti theft, headlight, exterior lights, instrument cluster, wiper/washer, power window, power tops, door locks, power seats, power steering, power mirror, warnings, navigation, air conditioning, body computer system
Antilock brakes system
B11
B22
B25
D14
D24
D29
D31
D36
D37
D38
D39
Diff fuse 20a
Dome fuse 10a
Door locks, body computer system
E16
E32
E33
Ecu b2 fuse 10a
Ecu ig2 fuse 10a
Electronic steering system
Engine control system
Engine control, anti lock brakes system
Engine control, anti theft, transmission, cruise control system
Engine control, instrument cluster, wiper/washer, transmission, cruise control, electronic suspension, warnings, navigation, body computer system
Engine control, interior lights, exterior lights, instrument cluster, wiper/washer, transmission, cruise control, anti lock brakes, electronic suspension, door locks, anti theft power seats, power steering, power mirrors, navigation system
Exterior lights system
From c on page 1 of 3
From d on page 1 of 3
From g on page 2 of 3
From h on page 2 of 3
From j on page 2 of 3
From k on page 2 of 3
From l l on this page
G11
Gauge 2 fuse 10a
Headlight system
I10
I11
Ign 1 no.3 relay
Ign fuse 7.5a
Interior lights, garage door opener, power window, power tops, anti theft, door locks, body computer system
Interior lights, instrument cluster, body computer system
J/b no.6 (behind right side of dash)
J/c 8 (behind left center of dash)
K11
K16
K19
K23
K24
K33
K35
K37
K39
K41
K42
Met fuse 7.5a
Navigation system
Not used
P/w (fl) fuse 20a
P/w (fr) fuse 20a
P/w (rl) fuse 20a
P/w (rr) fuse 20a
Power seats system
Power steering system
Power window, anti theft, door locks, body computer system
Power window, body computer system
Q17
Q39
Q44
Q45
Q50
Q51
Q52
Q71
Q72
Radio fuse 10a
Rh seat fuse 30a
Right kick panel j/b (at right kick panel)
Rr a/c fuse 30a
Seat htr fuse 15a
Security fuse 7.5a
Sound system
Til & tel fuse 20a
To l on this page
Transmission system
Vgrs fuse 40a
Washer fuse 15a
Wiper fuse 25a
Wiper/ washer system

POWER MIRRORS

Power Mirrors Wiring Diagram for Lexus LX 470 2003

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List of elements for Power Mirrors Wiring Diagram for Lexus LX 470 2003:

Ec+
Ec-
Ecu-ig1 fuse 10a
Hot in on or start
Inner mirror
L11
L17
L19
Left kick panel j/b (at left kick panel)
Left remote control mirror
Q15
Q16
Q81
Right kick panel j/b (at right kick panel)
Right remote control mirror

POWER SEATS

Heated Seats Wiring Diagram for Lexus LX 470 2003

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List of elements for Heated Seats Wiring Diagram for Lexus LX 470 2003:

(behind upper left center of dash)
B j12
B j13
B21
B26
Cushion heater
D j13
Driver's seat
Driver's seat heater switch
E j10
E j12
Front passenger's seat heater switch
Heater
Hot in on or start
Interior lights system
J/c 10 & 11
J/c 12 & 13 (behind left side of dash, below instrument cluster)
J11 d
K31
K33
Left kick panel j/b (at left kick panel)
Power seat ecu (below driver's seat)
Right kick panel j/b (at right kick panel)
Seat heater (front passenger's seat cushion)
Seat heater (front passenger's seat)
Seat htr fuse 15a

Passenger Seat Wiring Diagram for Lexus LX 470 2003

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List of elements for Passenger Seat Wiring Diagram for Lexus LX 470 2003:

B26
Bk (under front of right front seat)
Down
Front
Front passenger's power seat control switch
Hot at all times
Power seat motor (front passenger's seat front vertical control)
Power seat motor (front passenger's seat rear vertical control)
Power seat motor (front passenger's seat reclining control)
Power seat motor (front passenger's seat slide control)
Rear
Reclining
Right kick panel j/b (at right kick panel)
Right seat fuse 30a
Slide
Vertical

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Lexus LX 470 2003

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List of elements for Power Top/Sunroof Wiring Diagram for Lexus LX 470 2003:

Bdr1
Becu
Bj (under left front seat)
Body ecu (at left kick panel)
Bus
Close
Dcty
Dome fuse 10a
Door control receiver (at left "d" pillar)
Door fuse 25a
Down
E15
Ecu-b2 fuse 10a
Ecu-ig1 fuse 10a
Gnd1
Gnd2
Hot at all times
Hot in on or start
K10
K26
L10
L11
L19
L20
Left front door courtesy switch
Left kick panel j/b (at left kick panel)
Moon roof control ecu (on roof, in front of moon roof)
Moon roof control switch
Mpx2
Mtr+
Mtr-
Open
Pcty
Prg
Psw1
Psw2
Q17
Q22
Q71
Q79
Rda
Red
Right front door courtesy switch
Right kick panel j/b (at right kick panel)
Sgnd
Sig
Sun roof fuse 25a

POWER WINDOWS

Power Windows Wiring Diagram for Lexus LX 470 2003

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List of elements for Power Windows Wiring Diagram for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
(at right kick panel) right kick panel j/b
(behind left kick panel)
Acc
Acc fuse 7.5a
B2 (in body harness, in left front door)
Bdr
Bdr1
Becu
Bj (under left front seat)
Bk (under front of right front seat)
Body ecu (at left kick panel)
Cpub
Dcty
Dome fuse 10a
Door control receiver (at left "d" pillar)
Door fuse 25a
E15
E18
E42
Ecu-b2 fuse 10a
Ecu-ig1 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in acc or on
Hot in on or start
If (behind left side of dash)
Ig (behind left side of dash)
Ii (behind right side of dash)
J10
Junction connector 8 (behind left side of dash, forward of instrument cluster)
K10
K26
K30
Keye
Ksw
Kul
Left door key lock & unlock switch unlock
Left front door courtesy switch
Left front door unlock detection switch
Left front power window motor
Left kick panel j/b (at left kick panel)
Left kick panel j/b (at left kick panel) if
Left rear power window control switch
Left rear power window motor
Lmt
Lock
Lswd
Mpx1
Mpx4
Mpx5
Mpx6
P/w(fl) fuse 20a
P/w(fr) fuse 20a
P/w(rl) fuse 20a
P/w(rr) fuse 20a
Pct
Pcti
Pcty
Pls
Power window master switch
Prg
Q19
Q22
Q74
Q79
Rda
Right front door courtesy switch
Right front power window control switch
Right front power window motor
Right kick panel j/b (at right kick panel)
Right rear power window control switch
Right rear power window motor
Sel1
Sel2
Sgnd
Sig
Unlock warning switch
Wlsw

Rear Quarter Windows Wiring Diagram for Lexus LX 470 2003

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List of elements for Rear Quarter Windows Wiring Diagram for Lexus LX 470 2003:

(in dash harness, behind left side of dash) i4
Close
Cls
Gauge 1 fuse 10a
Hot in on or start
I3 (in dash harness, behind left side of dash)
If (behind left kick panel)
Junction connector (behind right center of dash, near windshield)
Junction connector (behind right side of dash, near windshield)
K36
K37
K40
Left kick panel j/b (at left kick panel)
Left power quarter window switch
Left power vent window motor
Open
Pnk
Q43
Q47
Q48
Q59
Q60
Q65
Red
Right kick panel j/b (at right kick panel)
Right power e quarter window switch
Right power vent window motor

RADIO

Radio Wiring Diagram, with Navigation (1 of 2) for Lexus LX 470 2003

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List of elements for Radio Wiring Diagram, with Navigation (1 of 2) for Lexus LX 470 2003:

(j/c 16: behind upper right side of dash) (j/c 15: behind left center of dash, near windshield) j/c 15 & 16
Acan
Acc
Acc fuse 7.5a
Adim
Ant
Au1
Au2
Auto antenna control relay (behind glove box)
Bl (under rear of right front seat)
Body ecu (at left kick panel)
Cdl+
Cdl-
Cdr+
Cdr-
Combination switch
D10
D33
Dvd automatic changer
E11
E21
E26
Eau
Gnd
Hot all all times
Hot in acc or on
J/b 4 (behind upper center of dash)
J15
J16
Left kick panel j/b (at left kick panel)
Lmut
Multi-display
Mute
Nca
Ntcs
Ntsc
Pnk
Q18
R36
R37
R38
Radio & player
Radio fuse 10a
Rear seat audio controller
Red
Right kick panel j/b (at right kick panel)
Rmut
Rmute
Rsa l+
Rsa l-
Rsa r+
Rsa r-
Rsl+
Rsl-
Rsr+
Rsr-
Sgd1
Sgnd
Sld
Stsm1
Stsm2
Swgnd
Tx+
Tx-
Txl+
Txl-
Txm+
Txm-

Radio Wiring Diagram, with Navigation (2 of 2) for Lexus LX 470 2003

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List of elements for Radio Wiring Diagram, with Navigation (2 of 2) for Lexus LX 470 2003:

(under right front seat) stereo component amplifier
+b2
7 speaker
Acc
Amp fuse 30a
Aui+
Aui-
Auo+
Auo-
B7 (in body harness, in right front door)
Bl (under rear of right front seat)
C17
Combination meter
Engine room j/b (on left inner fender panel)
Fl+
Fl-
Fr+
Fr-
Gnd
Hot at all times
J/c 18 (behind right center of dash, near windshield)
J/c 24 (at right rear wheelwell)
K38
Left center speaker (w/ 9 speaker)
Left front door speaker
Left rear door speaker
Left tweeter
M10
Mayday ecu (under center console)
Ml+
Ml-
Mr+
Mr-
Mute
N-mu
Navigation ecu (under right front seat)
Nca
Pnk
Q43
Red
Right center speaker (w/ 9 speaker)
Right front door speaker
Right kick panel j/b (at right kick panel)
Right rear door speaker
Right tweeter
Rl+
Rl-
Rr+
Rr-
S18
S19
Sgnd
Spd
Tmut
Tx+
Tx-
W/ link system
W/o link system
Wf+
Wf-
Wfl+
Wfl-
Wfr+
Wfr-
Woofer (speaker)

Radio Wiring Diagram, without Navigation (1 of 2) for Lexus LX 470 2003

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List of elements for Radio Wiring Diagram, without Navigation (1 of 2) for Lexus LX 470 2003:

(under rear of right front seat) bl
Acc
Acc fuse 7.5a
Ant
Au1
Au2
Auto antenna control relay (behind glove box)
Bl (under rear of right front seat)
Combination switch
D33
E11
Eau
Gnd
Hot all all times
Hot in acc or on
J/b 4 (behind upper center of dash)
J/c 15 & 16 (j/c 16: behind upper right side of dash) (j/c 15: behind left center of dash, near windshield)
J15
J16
Left kick panel j/b (at left kick panel)
Mute
Nca
Pnk
Q18
R36
R37
R38
Radio & player
Radio fuse 10a
Rear seat audio controller
Red
Right kick panel j/b (at right kick panel)
Rmut
Rmute
Rsa l+
Rsa l-
Rsa r+
Rsa r-
Rsl+
Rsl-
Rsr+
Rsr-
Sgnd
Sld
Stsm1
Stsm2
Swgnd
Tx+
Tx-

Radio Wiring Diagram, without Navigation (2 of 2) for Lexus LX 470 2003

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List of elements for Radio Wiring Diagram, without Navigation (2 of 2) for Lexus LX 470 2003:

(under right front seat) stereo component amplifier
+b2
7 speaker
Acc
Amp fuse 30a
Asgd
B2 (in body harness, in left front door)
B7 (in body harness, in right front door)
Bl (under rear of right front seat)
C17
Combination meter
Engine room j/b (on left inner fender panel)
Fl+
Fl-
Fr+
Fr-
Gnd2
Hot at all times
J/c 18 (behind right center of dash, near windshield)
J/c 24 (at right rear wheelwell)
K38
Left center speaker (w/ 9 speaker)
Left front door speaker
Left rear door speaker
Left tweeter
M10
Mayday ecu (under center console)
Ml+
Ml-
Mr+
Mr-
Mute
Nca
Option connector (cellular mobile telephone) z2
Pnk
Q43
Red
Right center speaker (w/ 9 speaker)
Right front door speaker
Right kick panel j/b (at right kick panel)
Right rear door speaker
Right tweeter
Rl+
Rl-
Rr+
Rr-
S18
S19
Spd
Tmut
Tx+
Tx-
W/ link system
W/o link system
Wf+
Wf-
Wfl+
Wfl-
Wfr+
Wfr-
Woofer (speaker)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Lexus LX 470 2003

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List of elements for Shift Interlock Wiring Diagram for Lexus LX 470 2003:

Acc
Acc fuse 7.5a
D10
D15
D16
D17
D31
D35
E18
E26
Ecu-ig1 fuse 10a
Hot at all times
Hot in acc or on
Hot in on or start
J/b 4 (behind upper center of dash)
Key interlock solenoid (on steering column, behind ignition key cylinder)
Kls+
Left kick panel j/b (at left kick panel)
P11
Right kick panel j/b (at right kick panel)
Shift lock control ecu (below center dash)
Shift lock control switch
Shift lock solenoid
Sls+
Sls-
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp

STARTING/CHARGING

Charging Wiring Diagram for Lexus LX 470 2003

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List of elements for Charging Wiring Diagram for Lexus LX 470 2003:

39a
Alt fuse 140a
Alt-s fuse 7.5a
B38
Battery
Battery ground
Body ecu (at left kick panel)
C12
C14 combination meter
C17
Charge indicator
D35
E27
Ec (at rear of right cylinder head)
Engine control module (behind right side of e6 dash)
Engine room j/b (on left inner fender panel)
F20
Fr-ig fuse 10a
Fusible link block (at left side of engine compt, near battery)
Generator
Hot at all times
Hot in on or start
J/b 6 (behind right side of dash)
Left kick panel j/b (at left kick panel)
Met fuse 7.5a
Nca
Reg
Right kick panel j/b (at right kick panel)
Suspension control ecu (behind left center of dash)

Starting Wiring Diagram for Lexus LX 470 2003

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List of elements for Starting Wiring Diagram for Lexus LX 470 2003:

(behind left side of dash)
A10
Acc
Am2 fuse 15a
B39
B43
Battery
Battery ground
D14
D15
E41
Ee (at left front of engine compt)
Engine
Engine control module (behind right side of dash)
Engine room r/b (integral to engine room junction block)
F16
Fusible link block (at left side of engine compartment, near battery)
Ignition switch
J/b 5
J/b 6 (behind right side of dash)
Junction connector 17 (behind right center of dash)
Left kick panel j/b (at left kick panel)
Lock
Main fuse 120a
Nca
Nsw
Park/ neutral position switch (on right side of transmission)
Room j/b (on left inner fender panel)
Sta
Star
Start
Starter
Starter fusible link 30a
Starter relay
Stsw

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(at bottom of left "b" pillar) left pretensioner
(on upper right side of radiator support crossbar) right front air bag sensor
+sl
+sr
-sl
-sr
C31
C32
C33
Center air bag sensor assembly (under front of center console)
Csl+
Csl-
Csr+
Csr-
D2+
D2-
Escl
Escr
Esl
Esr
Gsw2
Hot in on or start
Icl+
Icl-
Icr+
Icr-
Ig2
Ign fuse 7.5a
Lbe+
Left curtain shield air bag squib
Left front air bag sensor (on upper left side of radiator support crossbar)
Left rear side air bag sensor (near top front of left rear wheelwell)
Left side air bag squib
Lsp+
Lsp-
Met fuse 7.5a
Mpx1
Mpx2
P2+
P2-
Pl+
Pl-
Pnk
Pr+
Pr-
Red
Right curtain shield air bag squib
Right front side air bag sensor (at base of right "b" pillar)
Right kick panel j/b (at right kick panel)
Right pretensioner (at bottom of right "b" pillar)
Right rear side air bag sensor (near top front of right rear wheelwell)
Right side air bag squib
Rmil
Rmsw
Sfl+
Sfl-
Sfr+
Sfr-
Sil
Ssl+
Ssl-
Ssr+
Ssr-
Vucl
Vucr
Vupl
Vupr

Supplemental Restraints Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Lexus LX 470 2003:

(at base of left "b" pillar) left front side air bag sensor
(behind left side of dash, right of steering column)
(front passenger air bag assembly) air bag squib
(steering wheel pad) air bag squib
Air bag (srs)
B10 (in body harness, above left rear wheelwell)
Bj (under left front seat)
Body ecu (at left kick panel)
C14
C15
C16
Combination meter
Curtain shield air bags cutoff switch (roll sensing)
D30
D34
D41
Data link connector 3 (partial)
Dbkl
E10
E11
E12
E14
E19
Engine control module (behind right side of dash)
Esl
F/ps
F10
G10
J/b 4 (behind upper center of dash)
J/b 7 (behind right side of dash)
J/c 19 (behind right side of dash, near windshield)
J/c 21 (behind upper right side of dash)
J/c 23 (at left rear wheelwell)
J/c 4 (behind upper left side of dash)
K18
Left buckle switch
Left buckle switch & seat position sensor (in left front seat belt buckle)
Left kick panel j/b (at left kick panel)
M11
May day ecu (under center console)
Mpx1
Mpx2
Q11
Q37
Q43
Q69
Red
Right kick panel j/b (at right kick panel)
Rsca off
Seat position sensor
Solid state
Ssl+
Ssl-
Tilt & telescopic ecu (behind left side of dash)
Vupl

TRANSMISSION

A/T Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for A/T Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(integral to engine room j/b) engine room r/b
+b1
+bm
2nd
2nd strt
A/t oil temp
A/t p
Above accel pedal)
Accelerator position sensor (under left side of dash,
At4
Atc
B11
B39
B44
Batt
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
Center console)
Center differential lock circuit
Combination meter
D12
D13
D15
D17
D18
D22
D27
D28
D30
D31
D32
D34
D35
D36
Data link connector 1 (right inner fender panel)
Data link connector 3 (behind dash, right of steering column)
E10
E14
E17
E18
E21
E22
E24
E26
E28
Ec (rear of right cylinder head)
Ect pwr
Ecu-b2 fuse 10a
Ee (left front of engine compt)
Efi or ecd fuse 25a
Efi or ecd relay
Electronically controlled transmission pattern select switch
Engine control module (ecm) (behind right side of dash)
Engine room j/b (left inner fender panel)
Eom
Epa
Epa2
Etcs fuse 10a
Gauge 1 fuse 10a
Gauge 2 fuse 10a
Hot at all times
Hot in on or start
If (behind left side of dash)
Ign fuse 7.5a
Igsw
J/b 4 (behind upper center of dash)
J/b 5 (behind left side of dash)
J/b 6 (behind right side of dash)
J/b 7 (behind right side of dash)
J/c 16 (behind right center of dash)
J/c 18 (behind right center of dash)
Left kick panel j/b
M10
Met fuse 7.5a
Mil
Mpx1
Mpx2
Mrel
Nssd
Nssl
P10
P12
P13
P14
Park/neutral position switch (right side of transmission)
Pwr
Q44
Q65
Q66
Q70
Q78
Red
Right kick panel j/b
Shift lock control ecu (below
Sil
Snwi
Spd
Speedo
Stop fuse 15a
Stoplight switch (on bracket, above brake pedal)
Stp
Tach
Vcp2
Vcpa
Vpa
Vpa2

A/T Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for A/T Wiring Diagram (2 of 2) for Lexus LX 470 2003:

(engine harn, on top of trans- mission)
(engine harn, rear of engine)
(left side of trans- mission) turbine speed sensor
(left side of trans- mission) vehicle speed sensor
(rear of right cylinder head) ec
E01
E02
E03
Electronically controlled transmission solenoid (on transaxle)
Engine control module (ecm) (behind right side of dash)
Engine coolant temperature sensor (on top front of engine)
Ge01
Me01
Nca
Nt+
Nt-
Red
Sl1+
Sl1-
Sl2+
Sl2-
Slt+
Slt-
Slu+
Slu-
Sp2+
Sp2-
Tho1
Tho2
Throttle control motor & sensor (top left front of engine)
Thw
Vta1
Vta2

Center Differential Lock Wiring Diagram for Lexus LX 470 2003

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List of elements for Center Differential Lock Wiring Diagram for Lexus LX 470 2003:

(rear of right cylinder head) ec
2wd
4wd
A/c control assembly
A/t p
A10
Abs & ba & trac & vsc actuator (left rear of engine compt)
B20
Body ecu (at left kick panel)
C12
C14
C15
C17
Center cluster integration panel
Center diff lock
Center differential lock control motor (on center differential)
Center differential lock control relay (behind right side of dash)
Center differential lock detection switch (on center of diff- erential)
Combination meter
D12
D13
D17
D19
D31
D32
D38
D39
Defc
Diff fuse 20a
E10
E24
Ec (rear of right cylinder head)
Ecu-b2 fuse 10a
Engine control module (behind right side of dash)
Exi
Exi2
Gateway ecu
Gauge 1 fuse 10a
Gauge 2 fuse 10a
Gnd
Hot at all times
Hot in on or start
J/b 4 (behind upper center of dash)
J/b 6 (behind right side of dash)
J/c 18 (behind right center of dash)
Left kick panel j/b (at left kick panel)
Met fuse 7.5a
Mpd1
Mpd2
Mpx+
Mpx-
Mpx1
Park/ neutral position switch (right side of trans- mission)
Q28
Q44
Q54
Q56
Q65
Q66
Rel1
Rel2
Right kick panel j/b
Right kick panel j/b (at right kick panel)
Suspension control ecu
Tfn
Transfer "l" position detection switch (right side of trans- mission)
Transfer neutral position detection switch (right side of trans- mission)
W/ lexus navigation system
W/o lexus navigation system

WARNING SYSTEMS

Warning Systems Wiring Diagram for Lexus LX 470 2003

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List of elements for Warning Systems Wiring Diagram for Lexus LX 470 2003:

A/c control assembly
A/c fuse 15a
A45
A47
Acc
Acc fuse 7.5a
B13
Bdr1
Becu
Bj (under left front seat)
Bk (under front of right front seat)
Body ecu (at left kick panel)
Buzzer
C12
C13
C14
C17
Center air bag sensor assembly (under front of center console)
Center cluster integration panel (w/ navigation)
Combination meter
D25
D26
Dbkl
Dcty
Dome fuse 10a
Door fuse 25a
Door indicator
Drlp
E18
E19
Ec (at rear of right cylinder head)
Ecu-b2 fuse 10a
Ecu-ig1 fuse 10a
G10
Gauge1 fuse 10a
Gnd1
Gnd2
Hot at all times
Hot in acc or on
Hot in on or start
I-sbw
If (behind left kick panel)
Ig (behind left side of dash)
J/c 18 (behind right center of dash, near windshield)
K10
K18
K21
Ksw
Lbe+
Left buckle switch (in left front seat belt buckle)
Left front door courtesy switch
Left kick panel j/b (at left kick panel)
Met fuse 7.5a
N11
N21
Q22
Q41
Q44
Q45
Q57
Q65
Q71
Right buckle switch (in right front seat belt buckle)
Right kick panel j/b (at right kick panel)
S/bw
Seat belt indicator
Seat belt warning occupant detection sensor (under right front seat)
Sig
Unlock warning switch
W/ navigation
W/o navigation

WIPER/WASHER

Front Wiper/Washer Wiring Diagram (1 of 2) for Lexus LX 470 2003

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List of elements for Front Wiper/Washer Wiring Diagram (1 of 2) for Lexus LX 470 2003:

(at left side of engine compt) ee
(at right kick panel) right kick panel j/b
(on left inner fender panel) engine room j/b
A10
A13
A15
A45
A56
Auto
B17
B34
B39
B68
C14
C21
Combination meter
Combination switch
D38
E35
Eb (at right side of engine compt)
Ecu-b2 fuse 10a
Ecu-ig2 fuse 10a
Engine room j/b (on left inner fender panel)
Front wiper motor (on right side of firewall)
G11
G12
Gauge 2 fuse 10a
High
Hot at all times
Hot in on or start
I6 (behind left side of dash)
Ii (behind right side of dash)
Junction connector 5 (behind upper left side of dash)
Junction connector 6 (behind upper left side of dash)
Junction connector 7 (at left kick panel)
K41
Left kick panel j/b (at left kick panel)
Low
Met fuse 7.5a
Off
Q33
Q44
Q71
Right kick panel j/b (at right kick panel)
Washer fuse 15a
Washer ind
Washer level warning switch (washer motor) (at left front of engine compt, below headlight)
Washer motor (on washer fluid reservoir)
Washer switch
Wiper fuse 25a
Wiper switch

Front Wiper/Washer Wiring Diagram (2 of 2) for Lexus LX 470 2003

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List of elements for Front Wiper/Washer Wiring Diagram (2 of 2) for Lexus LX 470 2003:

(at left
(on right side of transmission) park/neutral position switch
A50
A51
Auto wiper ecu (behind left side of dash)
Becu
Body ecu
C11
Center of dash, near windshield)
Combination
Connector 18 (behind right
D12
D13
D17
D18
D31
D35
D36
D37
E26
Ec (at rear of right cylinder
Ecu-ig1 fuse 10a
Evr
Gauge 1 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
J/b 6 (behind right side of dash, near engine control module)
Junction
Kick panel)
Left kick panel j/b
Left kick panel j/b (at left kick panel)
M14
Meter
Mpx
Mpx1
Mpx2
Q22
Q65
Q70
Rain sensor (on roof, in front of moon roof)
Right kick panel j/b (at right kick panel)
S/m
S/s
Sht
Sig
Spd
Stop fuse 15a
Stop light switch (on bracket, above brake pedal)
Stp
Stp1
Vehicle speed sensor (combination meter) (on left side of transmission)
Wash
Wig
Wsau
Wse
Wshi
Wslo

Headlamp Washer Wiring Diagram for Lexus LX 470 2003

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List of elements for Headlamp Washer Wiring Diagram for Lexus LX 470 2003:

(at left kick panel) left kick panel j/b
A42
A43
A53
A55
A63
Auto
B39
B53
Body ecu (at left kick panel)
C18
Combination switch
E35
Ea (at right front of engine compt)
Ee (at left side of engine compt)
Engine room j/b (on left inner fender panel)
Head
Head clner fuse 20a
Headlight cleaner control relay (at left front of engine compt, behind headlight)
Headlight cleaner motor (at left front of engine compt, below headlight)
Headlight cleaner switch
Hot at all times
Hot in on or start
Hrly
Ii (behind right side of dash)
Junction connector 3 (behind upper left side of dash)
Junction connector 7 (behind left side of dash, forward of instrument cluster)
Left kick panel j/b (at left kick panel)
Light control switch
Mtr
Off
Q46
Right kick panel j/b (at right kick panel)
Tail
Washer fuse 15a

Rear Wiper/Washer Wiring Diagram for Lexus LX 470 2003

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List of elements for Rear Wiper/Washer Wiring Diagram for Lexus LX 470 2003:

A14
A48
B10
B14
B54
Becu
Bj (under left front seat)
Body ecu (at left kick panel)
C17
Combination meter
Combination switch
D39
E35
E38
Ec (at rear of right cylinder head)
Ecu-b2 fuse 10a
Ecu-ig1 fuse 10a
Engine room j/b (on left inner fender panel)
Gauge 1 fuse 10a
Gauge 2 fuse 10a
Gnd
Gnd1
Gnd2
Hot at all times
Hot in on or start
Ig (behind left side of dash)
Ii (behind right side of dash)
Int
Junction connector 18 (behind right center of dash, near windshield)
Junction connector 7 (behind left side of dash, forward of instrument cluster)
K14
K34
K39
Left kick panel j/b
Left kick panel j/b (at left kick panel)
Mpx+
Mpx2
Off
Park/ neutral position switch (on right side of transmission)
Pnk
Q22
Q44
Q65
Q70
Q71
Rear wiper motor (on center of rear door)
Rear wiper/ washer switch
Rev
Right kick panel j/b
Right kick panel j/b (at right kick panel)
Rr wiper fuse 15a
Rwlm
Rwsm
S26
S27
Sig
Spd
Sub body ecu (at left rear quarterpanel)
Vehicle speed sensor (combination meter) (on left side of transmission)
Washer 1
Washer 2
Washer fuse 15a
Washer motor (on washer fluid reservoir)
Wrin
Wrlo
Wrsw