All Wiring Diagrams for Lexus SC 430 2002 model

AIR CONDITIONING

Air Conditioning Wiring Diagrams (1 of 2) for Lexus SC 430 2002

List of elements for Air Conditioning Wiring Diagrams (1 of 2) for Lexus SC 430 2002:

• (center of dash) air foot control servo motor
• (engine harn, near battery) e1
• (under steering column)
• A/c control assembly (behind center of dash)
• A/c room temperature sensor (center of dash)
• A/c thermistor (center of dash)
• A10
• Acc
• Aif
• Air
• Amcdr
• Amcpa
• Amhdr
• Amhpa
• Aod
• Aof
• Automatic light control sensor & a/c solar sensor (upper right side of dash)
• Blower motor (lower right side of dash)
• Blower motor controller (behind right side of dash)
• Blw
• C11
• Cls
• Computer data lines system
• Dgs
• Driver side j/b behind left kick panel)
• Emop
• Emt1
• Engine room 1 r/b (behind left kick panel)
• Exhaust gas sensor (left front of engine compt)
• Exterior lights system
• F11
• Fan 2 fuse 40a
• Fan fuse 40a
• Ft2cl
• Ft2op
• Gas
• Gnd
• Hazd
• Heater fuse 10a
• Heater fuse 50a
• Hot at all times
• Hot in on or start
• Ill+
• Instrument panel j/b (upper center of dash)
• Interior lights system
• J/c 14 (right kick panel)
• Mpx+
• Mpx-
• Mpx-ig fuse 7.5a
• Multi- display
• Open
• Opn
• Pnk
• Power tops system
• Re1
• Re2
• Red
• Reos
• S5-1
• S5-2
• Sg-1
• Sg-2
• Sg-3
• Sg-4
• Sw1
• Sw2
• Swe
• T16
• Tel1
• Telephone computer (luggage compt)
• Telin
• Tilt
• Tp1
• Tpdr
• Tpo
• Tppa
• Tsdr
• Tsl
• Tspa
• Tsr

Air Conditioning Wiring Diagrams (2 of 2) for Lexus SC 430 2002

List of elements for Air Conditioning Wiring Diagrams (2 of 2) for Lexus SC 430 2002:

• (dash harn, center of dash)
• (left dash brace)
• (left front fender)
• (left side of engine compt) engine room 2 r/b
• (right kick panel) passenger side j/b ecu
• (right side of dash) j/c 14
• A/c ambient temperature sensor (center of front bumper)
• A/c fuse 5a
• A/c magnetic clutch & lock sensor (on a/c compressor)
• A/c triple pressure switch (upper left radiator support)
• Acc comp relay
• Acmg
• Air inlet control servo motor (behind right side of dash)
• Air mix control servo motor (driver side) (behind center of dash)
• Air mix control servo motor (passenger side) (behind right center side of dash)
• Air vent mode servo motor (behind right center of dash)
• Airbag
• C13
• Computer data lines system
• Cooling fan ecu (in front of engine compt)
• Driver side j/b (left kick panel)
• E17
• Ec (side of left cyl head)
• Ed (left front fender)
• Engine control module (left side of eng compt)
• Etam
• F11
• Fan relay
• Gnd
• Gnd (vz)
• Gnd(m)
• Gnd(s)
• Hot at all times
• Hot in accy or on
• Htr relay
• J/c 3 (engine room 2 r/b)
• J/c 7 (in ecu box)
• J/c 8 (left end of dash)
• Lcki
• M+(m)
• M+(s)
• M-(m)
• M-(s)
• Mcool
• Mhot
• Mpos 1
• Mpos 2
• Mpos 6
• Mpx1
• Mpx2
• Passenger side j/b
• Passenger side j/b (right kick panel)
• Pre
• Radio 2 fuse 10a
• Rfc
• Tam
• Vz (gnd)

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams (1 of 2) for Lexus SC 430 2002

List of elements for Anti-lock Brake Wiring Diagrams (1 of 2) for Lexus SC 430 2002:

• +bi
• Abs mtr relay
• Abs no.1 fuse 60a
• Abs no.2 fuse 40a
• Abs sol relay
• Ast
• Brake actuator
• Brake fluid level warning switch (in brake fluid reservoir)
• Driver side j/b (left kick panel)
• Ed (left front fender)
• Ee (left front fender)
• Eng+
• Eng-
• Engine control module (at left side of eng compt, in ecu box)
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• Engine room no.2 r/b (on left side of eng compt, behind strut tower)
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd1
• Gnd2
• Gnd3
• Gnd4
• Hot at all times
• If (left kick panel)
• Ii (left dash brace)
• J/c j8
• Lbl lbl
• Left front abs speed sensor
• Mr1
• Mr2
• Mt+
• Mt-
• Mtt
• Neo
• Pnk
• Pps solenoid (at right front of eng)
• R1+
• R2+
• Right front abs speed sensor
• Sa1
• Sa2
• Sa3
• Sflh
• Sflr
• Sfrh
• Sfrr
• Short pin no.3
• Skid control ecu (behind left side of dash)
• Sol+
• Sol-
• Srlh
• Srlr
• Srrh
• Srrr
• Str
• Trc motor relay
• Trc+
• Trc-

Anti-lock Brake Wiring Diagrams (2 of 2) for Lexus SC 430 2002

List of elements for Anti-lock Brake Wiring Diagrams (2 of 2) for Lexus SC 430 2002:

• (at left kick panel) instrument panel j/b
• (behind left side of dash) parking brake switch
• (left side of steering column) ig
• +bo
• Abs ind
• Abs-ig fuse 7.5a
• Bat
• Brake ind
• Combination meter
• Compuetr data lines system
• Csw
• D-ig fuse 10a
• D/g
• D20
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• E10
• E14
• Ess
• Flo
• Ggnd
• Gl1
• Gl2
• Headlights system
• Hot at all times
• Hot in run or start
• Ig1
• Ig2
• Ign fuse 5a
• Instrument panel j/b (at left kick panel)
• J/c j12 (behind right side of dash)
• Left kick panel j/b (at left kick panel)
• Left rear abs speed sensor
• Mpx1
• Mpx2
• Nca
• Pkb
• Pnk
• Red
• Right rear abs speed sensor
• Rl+
• Rl-
• Rr+
• Rr-
• Skid control ecu (behind left side of dash)
• Slip ind
• Sp1
• Ss1+
• Ss1-
• Steering sensor (on steering column)
• Stop fuse 5a
• Stop light switch (on top of brake pedal
• Stp
• Trig
• Vgs
• Vsc
• Vsc off
• Vsc off switch
• Vsc warning buzzer
• Vys
• Yaw
• Yaw rate sensor (below center of dash, forward of gear selector)
• Yaw2
• Yss

ANTI-THEFT

Anti-theft Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Anti-theft Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• (behind right side of dash) j/c 13
• A19
• A20
• A21
• A22
• A25
• A26
• A27
• A28
• A29
• A30
• B13
• B20
• Bdr
• Bl (under driver's seat)
• C13
• C16
• Computer data lines system
• Cpse
• Cpub
• Cty
• D-door fuse 25a
• D17
• D18
• D19
• Dle
• Driver door ecu (in driver's door)
• Driver side j/b (behind left kick panel)
• E17
• E18
• Engine room 1 r/b (right side of engine compt)
• F11
• F17
• Gnd
• H1 h1
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I15
• I21
• Ill
• Instrument panel j/b (behind upper center of dash)
• J/c 18 (right quarter panel)
• Kul
• L22
• L23
• Lcm+
• Lct
• Lcte
• Lcty
• Left door courtesy switch
• Left door lock control switch (power window master switch)
• Left door lock motor, door key lock & unlock switch, & door unlock detection switch
• Lsw
• Luggage compartment door detection switch
• Luggage compartment door lock motor
• Luggage room j/b (left rear corner of luggage compt)
• Luggage room j/b ecu (left rear corner of luggage compt)
• Mpx+
• Mpx-
• Mpx-b1 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Mul
• P-door fuse 25a
• P10
• P11
• Passenger door ecu (in right door)
• Passenger side j/b (behind right kick panel)
• Pnk
• Pwe
• Pws
• Radio 2 fuse 10a
• Red
• Right door courtesy switch
• Right door lock control switch
• Right door lock motor & door unlock detection switch
• S17
• S18
• Security fuse 7.5a
• Sig
• Sliding roof control ecu (left rear of luggage compt)
• Tail fuse 7.5a
• Wls1
• Wlsw

Anti-theft Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Anti-theft Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• (16-19 not used)
• (25-28 not used)
• (34-40 not used)
• (6-12 not used)
• (behind gauge assembly) transponder key computer
• (behind left kick panel) driver side j/b
• (behind right kick panel) passenger side j/b
• (front center of engine compt) engine hood courtesy switch
• (left dash brace) ii
• (under steering column) ih
• +b1
• +b2
• A15
• A16
• Acc
• Agnd
• Airbag
• Ant1
• Ant2
• B11
• B20
• Bzr
• Bzr2
• C10
• C16
• Center j/b (behind right center of dash)
• Cncl
• Code
• Computer data lines system
• Cpub
• Cra relay
• D13
• D19
• D20
• D21
• D23
• D24
• Data
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• Ed left front fender)
• Efii
• Efio
• Engine control module (left side of engine compt, in ecu box)
• Engine room 1 r/b (right side of engine compt)
• Engine room 2 r/b (left side of engine compt)
• Exterior lights system
• F17
• Front controller
• Gnd
• Haz
• Hdcy
• Head lp relay
• Headlights system
• Horn fuse 10a
• Horn relay
• Horn-rly
• Horns system
• Hot at all times
• Hot in on or start
• Hrly
• Ig2
• Ign fuse 5a
• Ih (under steering column)
• Ile
• Imi
• Imo
• Ind
• Interior lights system
• J/c 2 (in engine room 2 r/b)
• J/c 3 (in engine room 2 j/b)
• J/c 9 & j/c 10 (top left end of dash)
• Ksw
• Main fuse 50a
• Main luggage compartment door opener switch
• Mpx-
• Mpx1
• Mpx2
• Park/neutral position switch
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu (right side kick panel)
• Pnk
• Rco
• Rda
• Red
• Rssi
• Rxck
• Security indicator light
• Sh-
• Tail-rly
• Theft deterrent ecu (left end of dash)
• Theft deterrent horn (right front of engine compt)
• Transponder key amplifier (right of steering column)
• Transponder key coil
• Turn- haz fuse 15a
• Txct
• Unlock warning switch
• Vc12
• Wireless door lock buzzer (left rear corner of engine compt)
• Wireless door lock control receiver (center of roof header)

BODY COMPUTER

Driver Side J/B ECU Wiring Diagram for Lexus SC 430 2002

List of elements for Driver Side J/B ECU Wiring Diagram for Lexus SC 430 2002:

• (w/ headlamps cleaner only)
• Acc
• Am1 fuse 7.5a
• Anti-lock brakes system
• Anti-theft system
• Bklr
• Bu+
• Bu-
• Cltb
• Clte
• Clts
• Cncl
• Computer data lines system
• Dbil
• Dbkl
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (at left kick panel)
• E17
• Engine controls system
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• Exterior lights system
• Fuel
• Gnd
• Gnd2
• Haz
• Hdcl
• Hdcy or hdlo
• Head
• Headlights system
• Hot at all times
• Hot in run or start
• Hrly
• Ig (left side of steering column)
• Ignition switch
• Ii (left dash brace)
• Instrument cluster system
• Interior lights system
• J/c13 (behind right side of dash)
• J13
• Lock
• Mirrors system
• Mpx-b
• Mpx-b3 fuse 7.5a
• Mpx-ig
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Mpx3
• Msw
• Panel fuse 5a
• Panel1
• Panel2
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Passive restraint system
• Pnk
• R/e
• Red
• Ret
• Run
• Shift interlock system
• Start
• Stp
• Stpa
• Stpi
• Stpo
• Sw1
• Sw2
• Sw3
• Tr+
• Tr1
• Tr2
• Tr3
• Trunk, tailgate, fuel doors system
• Tsw
• Turn lh
• Turn rh
• Turn-haz fuse 15a
• Warning system
• Wiper/washer system

Front Controller Wiring Diagram for Lexus SC 430 2002

List of elements for Front Controller Wiring Diagram for Lexus SC 430 2002:

• Computer data lines system
• Computer data lines system computer data lines system
• Driver side j/b (behind left kick panel)
• Ed (left front fender)
• Engine room no. 1 r/b (on right side of eng compt, behind strut tower)
• Engine room no. 2 r/b (on left side of eng compt, behind strut tower)
• Exterior lights system
• Ffog-rly
• Fhhi(1)
• Fhhi(2)
• Fmb3
• Fmig
• Front controller
• Gnd
• H-lp fuse 20a
• Headlights system
• Hlhl
• Hlhr
• Horn system
• Horn-rly
• Hot at all times
• Hot in on or start
• Hot with head lp relay energized
• J/c 3 (in engine room no.2 r/b)
• Mpx-b3 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Tail-rly
• Wiper/washer system
• Wsh-rly
• Wslv

Luggage Room J/B ECU Wiring Diagram for Lexus SC 430 2002

List of elements for Luggage Room J/B ECU Wiring Diagram for Lexus SC 430 2002:

• A10
• A11
• A12
• A13
• A14
• B10
• Bck1
• Bk/up
• Bp (left quarter panel)
• Bubs
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• Computer data lines system
• Defog relay & defog fuse
• Driver side j/b (behind left kick panel)
• Engine room no.1 r/b (on right side of eng, behind strut tower)
• Exterior lights
• Exterior lights system
• F12
• F13
• Fuel opn fuse 10a
• Fuel opn(o)
• Fuel opn(p)
• Hic
• Hot at all times
• Hot in on or start
• Interior lights system
• J/c 17
• L-o/c(p)
• L22
• L23
• L24
• Lce1
• Lcm+
• Lcty
• Lgcy
• Lug j/b fuse 50a
• Luggage room j/b (left side of luggage compt)
• Luggage room j/b ecu (left side of luggage compt)
• Mpx+
• Mpx-
• Mpx-b
• Mpx-b3 fuse 7.5a
• Mpx-ig
• Mpx-ig fuse 7.5a
• P-gnd
• Passenger side j/b (behind right kick panel)
• Pnk
• Red
• Stop1
• Stop2
• Stp1
• Stp3
• Tail1
• Til1
• Til2
• Trunk, tailgate & fuel doors system

Passenger Side J/B ECU Wiring Diagram for Lexus SC 430 2002

List of elements for Passenger Side J/B ECU Wiring Diagram for Lexus SC 430 2002:

• Acc
• Airbag
• Am1 fuse 5a
• B/anc
• Back
• Bkll
• Combination switch
• Computer data lines system
• Drive side j/b) (behind left kick panel)
• Driver side j/b (at left kick panel)
• Driver side j/b ecu
• E17
• Exterior lights system
• F11
• Fspt
• Gnd
• Gnd1
• Hdlv
• Headlights system
• Hot at all times
• Hot in on or start
• Htr relay
• Ig (left side of steering column)
• Ignition switch
• Ih (under steering column)
• Ile
• Instrument cluster system
• Instrument panel j/b (behind upper center of dash)
• Interior lights system
• Lock
• Mpx-
• Mpx-b
• Mpx-b2 fuse 7.5a
• Mpx-ig
• Mpx-ig fuse 7.5a
• Navigation system
• P b/anc fuse 5a
• Passenger side j/b (at right kick panel)
• Passenger side j/b ecu (at right kick panel)
• Passive restraint system
• Pbil
• Pwr
• Red
• Run
• S/m
• S/s
• Snow
• Start
• Transmissions system
• Warning system
• Wip
• Wiper fuse 30a
• Wiper/washer system
• Wng

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus SC 430 2002

List of elements for Data Link Connector Wiring Diagram for Lexus SC 430 2002:

• A21
• Airbag sensor assembly (center of dash below radio)
• B16
• B18
• Bat
• C15
• Center j/b (behind right center of dash)
• Combination meter
• D/g
• D20
• Data link connector 3 (below left side of dash)
• Driver side j/b (at left kick panel)
• Ec (side of left cylinder head)
• Engine control module (left side of engine compt in ecu box)
• F16
• Hot at all times
• Ig (left side of steering column)
• Ih (under steering column)
• J/c 13 (behind right side of dash)
• J/c 7 (in ecu box)
• J/c 9 & j/c 10 (behind top left end of dash)
• J/c j4, j5 (in ecu box)
• J10
• Multi display
• Obd fuse 7.5a
• Sil
• Skid control ecu (behind left side of dash)
• Tac
• Tach
• Wfse

High/Low Bus Wiring Diagram for Lexus SC 430 2002

List of elements for High/Low Bus Wiring Diagram for Lexus SC 430 2002:

• (behind right side of dash)
• A/c control assembly
• A10
• A21
• Acc
• Airbag sensor assembly (front of center console)
• Atx+
• Atx-
• Batt
• Bu+
• Bu-
• Bubs
• C10
• C11
• Center j/b (behind right center of dash)
• Combination meter
• Combination switch
• D17
• D20
• Data link connector 3 (behind left side of dash)
• Driver side j/b (behind left kick panel)
• Driver side j/b (left kick panel)
• Driver side j/b ecu (at left kick panel)
• Drivers door ecu (in drivers door)
• Drivers seat ecu (under drivers seat)
• E10
• E16
• E18
• Engine control module (left side of engine compt in ecu box)
• Engine room no 2 r/b (left side of engine compt, behind strut tower
• F11
• F13
• F16
• F18
• Gateway ecu (behind right side of dash)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Hot in on or start
• Hot in on or accy
• Ig (left side of steering column)
• Ih (under steering column)
• Instrument panel j/b (behind upper center of dash)
• J/c 13
• J/c 13 (behind right side of dash)
• J/c 9 & j/c 10 (top left end of dash)
• J10
• Luggage room j/b ecu (left rear corner of luggage compt)
• Mpd1
• Mpd2
• Mpi2
• Mpl1
• Mpl2
• Mpx
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx1 front controller
• Mpx2
• Mpx3
• Multi- display
• P21
• P23
• Passenger door ecu (in right door)
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Pnk
• Radio & player
• Radio no.2 fuse 10a
• Red
• Right front power seat ecu (under right front seat)
• S18
• Sil
• Skid control ecu (behind left end of dash)
• Sliding roof control ecu (left rear of luggage compt)
• T13
• Theft deterrent ecu (behind left end of dash)
• Tilt and telescopic ecu (behind left end of dash)
• Tire pressure monitor receiver (behind center of dash, below radio)
• Transponder key computer (left side of dash, behind gauge assembly)
• Tx+
• Tx-
• Tx1
• Txs+
• Txs-
• W/ navigation
• Wfse

COOLING FAN

Cooling Fan Wiring Diagram for Lexus SC 430 2002

List of elements for Cooling Fan Wiring Diagram for Lexus SC 430 2002:

• (engine harn, near battery)
• A/c triple pressure switch (upper left radiator support)
• C11
• Cooling fan ecu (in front of engine compt)
• Driver side j/b (behind left kick panel)
• Ed (left front fender)
• Engine control module (left side of eng compt)
• Engine coolant temperature sensor (top right side of engine)
• Engine room 1 r/b (right side of eng compt)
• Engine room 2 r/b (left side of eng compt)
• Ethw
• Fan fuse 10a
• Fan relay
• Gnd(m)
• Gnd(s)
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Ii (left dash brace)
• J/c 1 (in engine room 2 r/b)
• J/c 3 (in engine room 2 r/b)
• J/c 8 (behind left kick panel)
• M+(m)
• M+(s)
• M-(m)
• M-(s)
• Pre
• Rfc
• Thw

CRUISE CONTROL

Cruise Control Wiring Diagram for Lexus SC 430 2002

List of elements for Cruise Control Wiring Diagram for Lexus SC 430 2002:

• (behind left side of dash) data link connector 3
• (under center console) shift lock control ecu
• +b1
• +bm
• Accel position sensor (top center of engine)
• At4
• Batt
• C10
• C15
• Cancel
• Ccs
• Center j/b (right center of dash)
• Combination meter
• Computer data lines system
• Cruise
• Cruise control switch
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• E01
• E02
• E03
• E19
• Eb (side of right cylinder head)
• Ec (side of left cylinder head)
• Ed (left front fender)
• Efi fuse 25a
• Efi relay
• Eng+
• Eng-
• Engine control module (left side of engine compt, in ecu box)
• Engine room 1 r/b
• Engine room 2 r/b (left side of engine compt)
• Epa
• Eptk
• Eta
• Etcs fuse 15a
• F15
• Ge01
• Hot at all times
• Hot in on or start
• Ign fuse 5a
• Igsw
• Ih (under steering column)
• J/b 2 (in engine room 2 r/b)
• J/c (in ecu box)
• J/c 2 (in engine room 2 r/b)
• J/c 3 (in engine room 2 r/b)
• J/c 4 (in ecu box)
• J/c 7 (in ecu box)
• J/c 9 (top left end of dash)
• Me01
• Mpx1
• Mpx2
• Mrel
• Neo
• Nssd
• Park/ neutral position switch (on trans)
• Passenger side j/b (behind right kick panel
• Passenger side j/b (behind right kick panel)
• Pnk
• Red
• Res/ acc
• Set/ coast
• Shield
• Sil
• Skid control ecu (behind left side of dash)
• Sp1
• Sp2+
• Sp2-
• Speedometer
• St1-
• Stop fuse 5a
• Stop light switch (on brake pedal bracket)
• Stp
• Stpi
• Stpo
• Throttle control motor & sensor (on throttle body)
• Trc+
• Trc-
• Vcpa
• Vehicle speed sensor (elec ctrl transmission) (on transmission)
• Vpa
• Vpa2
• Vptk
• Vta
• Vta2
• Wfse

DEFOGGERS

Heated Mirrors Wiring Diagram for Lexus SC 430 2002

List of elements for Heated Mirrors Wiring Diagram for Lexus SC 430 2002:

• (right quarter panel)
• (right side of dash) j/c 13
• (under driver's seat) bl
• Bdr
• Computer data lines system
• Cpub
• D-door fuse 25a
• D17
• D19
• Driver door ecu (in driver's door)
• Driver side j/b (left kick panel)
• Engine room 1 j/b (right side of engine compt)
• F11
• Gnd
• Hot at all times
• Hot in on or start
• Htr+
• Htr-
• I15
• Instrument panel j/b (upper center of dash)
• J/c 18
• Left remote control mirror
• Luggage room j/b (left rear corner of luggage compt)
• Mirror
• Mirror heater
• Mpx- b1 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• P-door fuse 25a
• P11
• Passanger side j/b (right kick panel)
• Passenger door ecu (in right door)
• Right remote control mirror heater
• Sig

Rear Defogger Wiring Diagram for Lexus SC 430 2002

List of elements for Rear Defogger Wiring Diagram for Lexus SC 430 2002:

• A/c control assembly (behind center of dash)
• A10
• Acc
• Bn (left quarter panel)
• Computer data lines system
• Def
• Defog fuse 30a
• Defog relay
• Dome fuse 7.5a
• E13
• E17
• Gnd
• Hot at all times
• Hot in on or acc
• Ih (under steering column)
• Instrument panel j/b (upper center of dash)
• L24
• Luggage room j/b (left rear corner of luggage compt)
• Luggage room j/b ecu
• Mpx+
• Mpx-
• Noise filter (rear defogger) (left front corner of luggage compt)
• Passenger side j/b (right kick panel)
• Radio 2 fuse 10a
• Rear window defogger
• Red

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Lexus SC 430 2002

List of elements for Electronic Power Steering Wiring Diagram for Lexus SC 430 2002:

• +bi
• +bo
• Abs-ig fuse 7.5a
• Bat
• Center j/b (behind right center of dash)
• Combination meter
• D/g
• Data link connector no.1 (left side of eng compt, behind ecu box)
• Driver side j/b (behind left kick panel)
• E10
• E14
• E16
• Ed (left front fender)
• Ee (left front fender)
• Ess
• Gnd1
• Gnd2
• Gnd3
• Gnd4
• Hot at all times
• Hot in on or start
• Ig1
• Ih (under steering column)
• J/c 13 (behind right side of dash)
• J/c 19, j/c 10 (behind upper left end of dash)
• J10
• Mpx-b2 fuse 7.5a
• Mxp1
• Passenger side j/b (behind right kick panel)
• Pnk
• Pps solenoid (at right front of eng)
• Red
• Skid control ecu (behind left end of dash)
• Sol+
• Sol-
• Sp1
• Ss1+
• Ss1-
• Steering sensor (on steering column)
• Trig

ENGINE PERFORMANCE

4.3L

4.3L, Engine Performance Wiring Diagrams (1 of 6) for Lexus SC 430 2002

List of elements for 4.3L, Engine Performance Wiring Diagrams (1 of 6) for Lexus SC 430 2002:

• (behind dash, right of steering column) transponder key amplifier
• (behind right side of dash) j/c 13
• (under steering column) ih
• +b1
• +bm
• A/c system
• Accel position sensor (behind left center of dash)
• Acmg
• B16
• Batt
• C12
• C15
• Ccs
• Center j/b (behind right center of dash)
• Combination meter
• Computer data lines system
• Cooling fans system
• Cpu
• Cruise control system
• Data link connector 3 (below left side of dash)
• Driver side j/b (behind left kick panel)
• E5 (engine harn, in ecu box)
• Ect pwr
• Ect snow
• Ed (left front fender)
• Efii
• Efio
• Eng+
• Eng-
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Ep1
• Ep2
• Epa
• Eptk
• Etam
• Fpr
• Htl2
• Htr2
• Igsw
• Imi
• Imo
• J/c 9 (behind top left end of dash)
• Mil ind
• Mpx1
• Mpx2
• Mrel
• Neo
• Oxl2
• Oxr2
• Pnk
• Pre
• Ptnk
• Red
• Rfc
• Sil
• Skid control ecu (behind left end of dash)
• Speedometer
• Sta
• Stp
• Tac
• Tach
• Tachometer
• Tam
• Tbp
• Trc+
• Trc-
• Vapor pressure sensor (under left rear of vehicle)
• Vcc
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa1
• Vpa2
• Vptk
• Wfse
• Wsfe

4.3L, Engine Performance Wiring Diagrams (2 of 6) for Lexus SC 430 2002

List of elements for 4.3L, Engine Performance Wiring Diagrams (2 of 6) for Lexus SC 430 2002:

• (in ecu box) j/c 4, j/c 5
• (left end of dash) driver side j/b ecu
• (on top of brake pedal bracket) stoplight switch
• Cir opn relay
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• Ed (left front fender)
• Efi fuse 25a
• Efi relay
• Engine room r/b 1 (on right side of engine compt, behind strut tower)
• Engine room r/b 2 (on left side of engine compt, behind strut tower)
• Etcs fuse 15a
• F/ pmp relay
• Fuel pump & sender (in fuel tank)
• Fuel pump resistor (left rear of engine compt)
• Hot at all times
• Hot in on or start
• J/c 17 (left quarter panel)
• J/c 2 (in engine room r/b 2)
• Red
• Stop fuse 5a
• Stpi
• Stpo
• Vsv (vapor pressure sensor) (under left rear of vehicle)

4.3L, Engine Performance Wiring Diagrams (3 of 6) for Lexus SC 430 2002

List of elements for 4.3L, Engine Performance Wiring Diagrams (3 of 6) for Lexus SC 430 2002:

• (behind left kick panel) driver side j/b
• (engine harn, in ecu box)
• (generator) charging system
• (in engine room r/b 2) j/c 2
• (on left side of engine compt, behind strut tower) engine room r/b 2
• (on transmission) park/neutral position switch
• Acc
• Braided
• C14
• Ed (left front fender)
• Efi 2 fuse 10a
• Eknl
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Eoil
• Eol1
• F14
• Hot at all times
• Htl
• Ignition switch
• Knkl
• Knkr
• Left knock sensor (on top center of engine)
• Lock
• Mol
• Nco+
• Nco-
• O/d direct clutch speed sensor (on trans)
• Oil
• Oxl1
• P/n
• Red
• Right knock sensor (on top center of engine)
• Short pin 1
• Short pin 2
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Start
• Starter fuse 7.5a
• Starter relay
• Vehicle speed sensor (electronically controlled transmission) (on trans)

4.3L, Engine Performance Wiring Diagrams (4 of 6) for Lexus SC 430 2002

List of elements for 4.3L, Engine Performance Wiring Diagrams (4 of 6) for Lexus SC 430 2002:

• (behind right kick panel) passenger side j/b
• (on right front of engine) engine oil level sensor
• (on transmission) a/t indicator light switch (integral to park/neutral position switch)
• (under center console, near selector lever) shift lock control ecu
• At4
• Atl
• Braided
• C10
• C16
• Driver side j/b
• Eb (side of right cyl head)
• Ec (side of left cyl head)
• Electronically controlled transmission solenoid (in transmission)
• Engine room r/b 2 (on left side of engine compt, behind strut tower)
• Hot in on or start
• Ign fuse 5a
• Inj fuse 10a
• J/c 4, j/c 5 (in ecu box)
• J/c 7 (in ecu box)
• J/c 9, j/c 10 (behind top left end of dash)
• J10
• Level
• Nssd
• Nssl
• Red
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Temp

4.3L, Engine Performance Wiring Diagrams (5 of 6) for Lexus SC 430 2002

List of elements for 4.3L, Engine Performance Wiring Diagrams (5 of 6) for Lexus SC 430 2002:

• (engine harn, top left side of engine)
• (in ecu box) j/c 6
• (on top right side of engine) noise filter (ignition right bank)
• (right side kick panel) passenger side j/b ecu
• Braided
• E2 (engine harn, top rear of engine)
• E2g
• Ec (side of left cyl head)
• Electronically controlled transmission pattern select switch
• Engine coolant temperature sensor (on top right side of engine)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Heated oxygen sensor (bank 1 sensor 1) (on left side of engine, in exhaust manifold)
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust system, near catalytic conv)
• Heated oxygen sensor (bank 2 sensor 1) (on right side of engine, in exhaust manifold)
• Heated oxygen sensor (bank 2 sensor 2) (on exhaust system, near catalytic conv)
• Ih (under steering column)
• Mass airflow (maf) meter (on right side of engine compt, in air intake duct)
• Mpx-
• Pwr
• Snow
• Tha
• Vsv (acis) (on top right rear of engine)
• Vsv (canister closed valve) (on right side of engine)
• Vsv (evap) (on top rear of engine)

4.3L, Engine Performance Wiring Diagrams (6 of 6) for Lexus SC 430 2002

List of elements for 4.3L, Engine Performance Wiring Diagrams (6 of 6) for Lexus SC 430 2002:

• (at top left rear of engine) noise filter (ignition left bank)
• (engine harn, top left side of engine)
• (engine harn, top rear of engine)
• (in ecu box) j/c 6
• A/c system
• Acis
• Braided
• Camshaft position sensor (on left front of engine)
• Ccv
• Crankshaft position sensor (on left front of engine)
• E01
• E02
• E03
• Eb (side of right cyl head)
• Ec (side of left cyl head)
• Eg2
• Ene
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Eor1
• Eta
• Etha
• Ethw
• Evg
• Evvl
• Evvr
• G2-
• Ge01
• Htr
• If1l
• If1r
• If2l
• If2r
• 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
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Lcki
• Left camshaft timing oil control valve (on top left side of engine)
• Left vvt sensor (on top left side of engine)
• Me01
• Mops
• Ne+
• Ne-
• Ocr+
• Ocr-
• Ocv+
• Ocv-
• Oil pressure switch (on left front side of engine)
• Oxr1
• Prg
• Red
• Right camshaft timing oil control valve (on top right side of engine)
• Right vvt sensor (on top right side of engine)
• Tha
• Throttle control motor & sensor (on throttle body)
• Thw
• Vta
• Vta2
• Vvl+
• Vvl-
• Vvr+
• Vvr-

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Lexus SC 430 2002

List of elements for Back-up Lamps Wiring Diagram for Lexus SC 430 2002:

• A/c control assembly (behind center of dash)
• A10
• Airbag sensor assembly (at center of dash, below radio)
• B j4
• Back- up light switch
• Bck1
• Bk/up
• Bl (under driver's seat)
• Combi- nation switch (behind left end of dash)
• Combination meter
• D-ig fuse 10a
• Drive side no.2 j/b (behind left kick panel)
• Drive side no.2 j/b (on right side of eng
• Driver side j/b ecu (left end of dash)
• E10
• Engine control module (left side of eng compt, in ecu box)
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• Engine room no.2 r/b (on left side of eng compt, behind strut tower)
• F13
• Front controller
• Gateway ecu (behind right side of dash)
• Hot at all times
• Hot with ig1 relay energized
• J/c j17 (left quarter panel)
• J/c j4,j5 (in ecu box)
• J5 a
• L22
• L24
• Left back- up light
• Luggage room j/b (at left rear corner of luggage compartment)
• Luggage room j/b ecu
• Mpi1
• Mpi2
• Mpl1
• Mpl2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Pass- enger side j/b ecu
• Passenger side j/b (behind right kick panel)
• Pmx1
• Pmx2
• Red
• Right back- up light
• Rr j/b fuse 50a
• Skid control ecu (behind left end of dash)
• Till & telescopic ecu (behind left end of dash)
• Tire pressure monitor receiver (behind center of dash, below radio)

Exterior Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• (left front fender)
• (on left side of eng compt, behind strut tower) eng room no.2 r/b
• Bl (under driver's seat)
• Bubs
• C11
• C16
• Center j/b (behind right center of dash)
• Combination meter
• Computer data lines system
• Cra relay
• Driver side no.2 j/b (behind left kick panel)
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• Fmb3
• Fmig
• Front con- troller
• Gnd
• High mounted stop light
• Hot at all times
• Hot with ig1 relay energized
• Ig (left side of steering column)
• Instrument panel j/b (behind upper center of dash)
• J/c j1 (in eng room no.2 r/b)
• J/c j13 (behind right side of dash)
• J/c j14 (right kick panel)
• J/c j17 (left quarter panel)
• J/c j3 (in eng room no.2 r/b)
• J/c j8 (behind left kick panel)
• J25
• L22
• L23
• L24
• Lce lp fuse 7.5a
• Lce1
• Left front parking light
• Left rear combination light
• Left rear side marker light
• Lh stop light
• License plate light
• Luggage room j/b (left rear corner of luggage compartment)
• Luggage room j/b ecu
• Mpx+
• Mpx-
• Mpx-b3 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• P-grd
• Passenger side no.2 j/b (behind right kick panel)
• Red
• Rh stop light
• Right front parking light
• Right rear combination light
• Right rear side marker light
• Rr j/b fuse 50a
• Stop1
• Stop2
• Stp1
• Stp3
• Tail fuse 7.5a
• Tail light
• Tail-rly
• Tail1
• Tail2
• Til1
• Til2
• Turn signal light
• Tx1

Exterior Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• (on top of brake pedal bracket) stop light switch
• (under steering column) ih
• +ig
• A/c control assembly
• Bu+
• Bu-
• Center j/b (behind right center of dash)
• Combination meter
• Computer data lines system
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu
• E13
• E18
• Ed (left front fender)
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• F15
• Haz
• Hazard switch
• Hot at all times
• Hot with ig1 relay energized
• Ig+
• Ih (under steering column)
• J/c j12 (behind right side of dash)
• J/c j13 (behind right side of dash)
• J/c j14 (right kick panel)
• Left front turn signal light
• Lh turn
• Mpx+
• Mpx+b
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Rear lights
• Red
• Rh turn
• Right front turn signal light
• Stop fuse 5a
• Stpi
• Tail (canada)
• Turn signal flasher relay (behind left side of dash, near driver side j/b)
• Turn- haz fuse 15a

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2002

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2002:

• A/c control assembly
• A/c single pressure switch
• A11
• Acc relay
• Airbag sensor assembly
• Audio door control switch
• B10
• B11
• B20
• B21
• B22
• B27
• Brake actuator
• Brake fluid level warning switch
• C13
• C14
• C20
• Center j/b (behind right center of dash)
• Cigarette lighter
• Combi- nation switch
• Combination meter
• D10
• D16
• D17
• D18
• D19
• D20
• Data link connector
• Driver side j/b (left kick panel)
• Driver side j/b ecu
• E12
• E14
• E20
• Electronically controlled transmission pattern select switch
• F14
• F15
• F16
• F17
• F18
• Fuel lid opener switch
• Gateway ecu
• Glove box light switch
• Headlight beam level control ecu
• Ig (left side of steering column)
• Ig1 relay
• Ih (under steering column)
• Ii (left dash brace)
• Ij (right dash brace)
• Inner mirror
• J/c j11 (below radio)
• J/c j9 & j10 (top left end of dash)
• Left vanity light
• Luggage compartment door opener main switch
• Luggage compartment door opener switch
• Mirror retractor switch, head light cleaner switch & security indicator light
• Multi- display
• Passenger side j/b (right kick panel)
• Passenger side j/b ecu
• Personal light, garage door opener & telephone microphone
• Power outlet
• Radio & player
• Right vanity light
• Seat heater switch
• Shift lock control ecu
• Steering sensor
• Theft deterrent ecu
• Tilt & telescopic ecu
• Tire pressure monitor receiver
• Tire select switch
• Trans- ponder key computer
• Turn signal flasher relay
• Unlock warning switch & key interlock solenoid
• Vsc off switch

Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2002

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2002:

• (left side of engine compt) engine room no. 2 r/b
• (top center of engine)
• A/c dual pressure switch
• A/c magnetic clutch & lock sensor
• A14
• A16
• A22
• Brake actuator
• Combi- nation switch
• Controller blower motor
• Cooling fan ecu
• D31
• Data link connector
• Driver's side j/b (left kick panel)
• E19
• Ea (right front fender)
• Eb (side of right cylinder head)
• Ec (side of left cylinder head)
• Ed (left front fender
• Ee (left front fender)
• Efi relay
• Engine control module
• Engine hood courtesy switch
• Engine oil level sensor
• Engine room no. 1 r/b (right side of engine compt)
• Exhaust gas sensor
• Fan relay
• Front controller
• Front wiper motor
• Headlight cleaner control relay
• Heated oxygen sensor (bank 1 sensor 1)
• Heated oxygen sensor (bank 1 sensor 2
• Heated oxygen sensor (bank 2 sensor 1)
• Heated oxygen sensor (bank 2 sensor 2)
• If (left kick panel)
• Ig2 relay
• 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
• Ik (right kick panel)
• J/c j14 (right kick panel)
• J/c j3 (in engine room no.2 r/b)
• J/c j4 (in ecu box)
• J/c j7 (in ecu box)
• J/c j8 (behind left kick panel)
• J/c j9 & j10 (top left end of dash)
• Left front fog light
• Left front parking light
• Left front side marker light
• Left front turn signal light
• Left headlight (high)
• Left headlight (low)
• Park/neutral position switch, a/t indicator light switch & backup light switch
• Right front fog light
• Right front parking light
• Right front side marker light
• Right front turn signal light
• Right headlight (high)
• Right headlight (low)
• Skid control ecu
• Telephone computer
• Washer level sensor
• Washer motor

Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2002

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2002:

• A12
• A13
• A17
• Auto antenna control relay
• B19
• Bl (under driver's seat)
• Bm (under front passenger's seat)
• Bn (left quarter panel)
• Bo (near stereo component amplifier)
• Bp (left quarter panel)
• Bq (right quarter panel)
• C10
• C11
• Driver door ecu
• Fuel lid opener motor
• Fuel pump
• High mounted stop light
• J/c j16 (right rear of luggage compt)
• J/c j17 (left quarter panel)
• J/c j18 (right quarter panel)
• J/c j19 (under left side of driver's seat)
• J/c j20 (under right side of driver's seat)
• J/c j21 (under left side of front passenger's seat)
• J/c j22 (under right side of front passenger's seat)
• Left back-up light switch
• Left buckle switch
• Left rear combi- nation light
• Left rear side marker light
• Luggage room j/b (left rear corner of luggage compt)
• Luggage room j/b ecu
• Lumbar support control switch (driver's slide)
• Lumbar support control switch (front passenger's seat)
• Navi- gation ecu
• Passenger door ecu
• Power seat control switch (driver's seat)
• Power seat control switch (front passenger's seat)
• Power seat ecu (driver's seat)
• Power seat ecu (front passenger's seat)
• Power seat position sensor (driver's front vertical)
• Power seat position sensor (driver's lifter)
• Power seat position sensor (driver's reclining)
• Power seat position sensor (driver's slide)
• Power seat position sensor (front passenger's front vertical)
• Power seat position sensor (front passenger's lifter)
• Power seat position sensor (front passenger's reclining)
• Power seat position sensor (front passenger's slide
• Rear window defogger
• Right back-up light switch
• Right buckle switch & occupant detection sensor
• Right rear combi- nation light
• Right rear side marker light
• Seat heater controller (driver's seat)
• Seat heater controller (front passenger's seat)
• Sliding roof control ecu
• Stereo component amplifier
• Telephone computer
• Telephone micro- phone amplifier

HEADLIGHTS

Headlamps Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• (behind left kick panel) driver side j/b
• Automatic light control sensor (behind upper right side of dash)
• Bu+
• Bu-
• Bubs
• C12
• C16
• Center j/b (behind right center of dash)
• Cltb
• Clte
• Clts
• Combination meter
• Combination switch
• Computer data lines system
• D-ig fuse 10a
• D10
• D20
• Driver side j/b ecu
• E14
• E16
• F11
• F15
• Fr fog fuse 15a
• Gateway ecu (behind right side of dash)
• Gnd
• Gnd2
• Head
• Head (1) indicator
• High beam indicator
• Hot at all times
• Hot in on or start
• Hrly
• Ig (left of steering column)
• Ig (left side of steering column)
• Ig+
• Ih (under steering column)
• Ii (left dash brace)
• Instrument panel j/b (behind upper center of dash)
• Junction connector j/c 13 (behind right side of dash)
• Luggage room j/b ecu (at left rear corner of luggage compartment)
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpl1
• Mpl2
• Mpx+
• Mpx-
• Mpx-b
• Mpx-b2 fuse 7.5a
• Mpx-b3 fuse 7.5a
• Mpx-ig
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Parking brake switch (behind left side of dash)
• Passenger side j/b (behind right kick panel)
• Pkb
• Red
• Skid control ecu (behind left end of dash)
• Tail fuse 7.5a
• Tilt and telescopic ecu (behind left end of dash)
• Tx1

Headlamps Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• (on left side of engine compartment. behind strut tower) engine room no. 2 r/b
• (on right side of engine compartment. behind strut tower) engine room no. 1 r/b
• Cra relay
• E10
• Ed (left front fender)
• Exterior lights system
• Ffog-rly
• Fhhi(1)
• Fhhi(2)
• Fmb3
• Fmig
• Front controller
• Front fog relay
• Gnd
• H-lp l lwr fuse 15a
• H-lp r lwr fuse 15a
• H-lp upr fuse 20a
• Head lp relay
• Hlhl
• Hlhr
• Hot at all times
• Junction connector j/c 14 (behind right side of dash)
• Junction connector j/c 3 (in engine room no. 2 r/b)
• Junction connector j/c 8 (behind left end of dash)
• Left front fog light
• Left headlight (high)
• Left headlight (low)
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Red
• Right front fog light
• Right headlight (high)
• Right headlight (low)
• Tail-rly

Headlamps Leveling Wiring Diagram for Lexus SC 430 2002

List of elements for Headlamps Leveling Wiring Diagram for Lexus SC 430 2002:

• Beam level indicator
• C13
• C15
• C17
• Combination meter
• Computer data lines system
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• E16
• F15
• Flo
• Front height control sensor (forward of left front strut tower)
• Gnd
• H-lp lvl fuse 5a
• Headlight beam level control ecu (behind left end of dash)
• Hot at all times
• Hot in on or start
• Ig (left side of steering column)
• Ig+
• Ih (under steering column)
• Junction connector j/c 1 (in engine room no. 2 r/b)
• Junction connector j/c 13 (behind right side of dash)
• Left headlight beam level control actuator (behind left headlight)
• Lh+
• Lh-
• Lh1
• Lh2
• Lh3
• Lh4
• Lhe
• Lhg
• Lht
• Mlcom
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx1
• Mpx2
• Mrcom
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Pnk
• Rear height control sensor (under left rear of vehicle)
• Red
• Rh+
• Rh-
• Rh1
• Rh2
• Rh3
• Rh4
• Rhe
• Rhg
• Rht
• Right headlight beam level control actuator (behind right headlight)
• Sbf
• Sgf
• Shfl
• Shrl
• Skid control ecu (behind left end of dash)
• Sp1
• Spdl
• Wng

HORN

Horn Wiring Diagram for Lexus SC 430 2002

List of elements for Horn Wiring Diagram for Lexus SC 430 2002:

• Combination switch
• Computer data lines system
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• Ed (left front fender)
• Engine room 1 r/b (right side of engine compt)
• Engine room 2 r/b (left side of engine compt)
• Front controller
• Gnd
• Horn fuse 10a
• Horn relay
• Horn rly
• Horn switch
• Hot at all times
• J/c 3 (in engine room 2 r/b)
• Left horn
• Mpx
• Mpx1
• Mpx2
• Mpx3
• Pnk
• Right horn
• Security fuse 7.5a

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Lexus SC 430 2002

List of elements for Instrument Cluster Wiring Diagram for Lexus SC 430 2002:

• (canada)
• (left dash brace) ii
• (side of left cylinder head) ec
• (usa)
• 16d
• A10
• A11
• A12
• A13
• A14
• A16
• A18
• A19
• A20
• A21
• Abs
• B13
• B14
• B16
• B17
• Beam level
• Brake
• Brake fluid level warning switch (in brake fluid reservoir)
• Buzzer
• Center j/b (behind right center of dash)
• Charge
• Combination meter
• Computer data lines system
• Cruise
• D-ig fuse 10a
• D11
• D20
• D21
• Data link connector 3 (left side of dash)
• Driver side j/b (behind left kick panel)
• Driver side j/b behind left kick panel)
• E10
• E11
• E14
• E16
• Ect pwr
• Engine control module (left side of engine compt, in ecu box)
• Engine oil level sensor (on right front of engine)
• Etc snow
• Exterior lights system
• F15
• Front fog
• Fuel
• Fuel sender (main) (in fuel tank)
• Fuel sender (sub) (in fuel tank)
• Gnd
• Head
• High beam
• Hot at all times
• Hot in on or start
• Ih (under steering column)
• Interior lights system
• J/c 13 (behind right side of dash)
• J/c 7 (in ecu box)
• Lbl
• Left turn
• Magnetic field sensor (beneath top center of dash)
• Malfunction
• Malfunction indicator
• Mol
• Mops
• Mpx-b2 fuse 7.5
• Mpx1
• Mpx2
• Multi-display
• Navigation ecu (right rear corner of luggage compt)
• Nca
• Odometer/ trip
• Oil level
• Oil pressure
• Oil pressure switch (on left front side of engine)
• Open door
• Parking brake switch (left side of dash)
• Passenger side j/b (behind right kick panel)
• Pkb
• Pnk
• Rear lights
• Red
• Right turn
• Seat belt
• Sig
• Skid control ecu (behind left side of dash)
• Slip
• Sp1
• Spd
• Speedometer
• Srs
• Stereo component amplifier (right rear corner of luggage compt)
• Tach
• Tachometer
• Tail
• Tire pressure
• Trip switch
• Vmid
• Vsc
• Vsc off
• Warning systems
• Washer
• Water temperature

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• A/c control assembly (behind center of dash)
• A10
• Airbag
• C10
• Center j/b (behind right side of dash, behind glove box)
• D19
• D20
• Data
• Dbil
• Dome fuse 7.5a
• Door
• Driver side j/b (behind left kick panel)
• Drivers side j/b ecu
• E10
• E13
• E16
• Engine control module (left side of engine compt, in ecu box)
• Engine room no.2 r/b (left side of engine compt, behind strut tower)
• Front controller
• Fspt
• Gateway ecu (behind right side of dash)
• Gnd
• Gnd1
• Hot at all times
• I/p junction block (behind right side of dash)
• Ig (left side of steering column)
• Ignition key cylinder light
• Ih (under steering column)
• Ile
• J/c 13 (behind right side of dash)
• J/c 18 (right quarter panel)
• J/c 9 & j/c 10 (behind left side of dash)
• J10
• Left foot light
• Left vanity light
• Map
• Mpd1
• Mpi1
• Mpi2
• Mpl1
• Mpl2
• Mpx
• Mpx+
• Mpx-
• Mpx-b
• Mpx-b2 fuse 7.5a
• Mpx-b3 fuse 7.5a
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Pbil
• Personal light
• Rco
• Rda
• Red
• Right buckle switch
• Right foot light
• Right scuff plate light
• Right vanity light
• Rssi
• Theft deterrent ecu (behind left end of dash)
• Tire pressure monitor receiver (behind center of dash,below radio)
• Transponder key computer (left side of dash, behind gauge assembly)
• Wireless doof lock control receiver (on center of roof header)

Courtesy Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• Airbag sensor assembly (behind lower center of dash, on transmission tunnel)
• Bdr
• Bl (under drivers seat)
• Combination meter
• Combination switch
• Cty
• Cty p9
• Ctyb
• Cyl
• D-door fuse 25a
• D-ig fuse 10a
• Driver door ecu (inside front of left front door)
• Driver side j/b (at left kick panel)
• Drivers seat ecu (below drivers seat)
• Engine room no. 1 r/b (left front of engine compt., behind headlight)
• F12
• F13
• F15
• Front passengers seat ecu (below front passengers seat)
• Gnd d19
• Gnd p11
• Hot at all times
• Hot in on and start
• Ig+
• Ih (under steering column)
• J/c 13 (behind upper center of dash)
• J/c 17 (behind upper center of dash)
• J/c 18 (right quarter panel)
• J/c 20 (behind upper right center of dash)
• L22
• L24
• Left buckle switch
• Left door courtesy light
• Left door courtesy switch
• Left luggage compartment light
• Left scuff plate light
• Lgcy
• Luggage room j/b (left rear corner of luggage compartment)
• Luggage room j/b ecu
• Mpx+b
• Mpx-
• Mpx-b
• Mpx1
• Mpx2
• Mpx2 d17
• P-door fuse 25a
• P-gnd
• Passenger door ecu (inside front of right front door)
• Passenger side j/b (at right kick panel)
• Pnk
• Red
• Right door courtesy switch
• Right luggage compartment light
• Skid control ecu (behind left side of dash)
• Sliding roof control ecu (rear of luggage compartment)
• Tilt and telescopic ecu (behind left end of dash)

Instrument Illumination Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• A j9
• A/c control assembly
• A/c control assembly (behind center of dash)
• A/t shift lever illunination
• A10
• Audio door control switch
• B19
• Bu+
• Bu-
• Center j/b (behind right center of dash)
• Cigarette lighter
• Combination switch
• D10
• D18
• D20
• Drivers side j/b (behind left kick panel)
• Drivers side j/b ecu
• E10
• E15
• Electronically controlled transmission pattern select switch
• Engine control module (left side of engine compt, in ecu box)
• Engine room no.2 r/b (left side of engine compt, behind strut tower)
• F10
• F11
• Front controller
• Gateway ecu (behind right side of dash)
• Gnd
• Gnd2
• Hot at all times
• I/p junction block (behind right side of dash)
• Ig (left side of steering column)
• Ih (under steering column)
• Ii (left dash brace)
• J/c 13 (behind upper center of dash)
• J/c 9 & j/c 10 (behind top left end of dash)
• J10
• Mpd1
• Mpi1
• Mpi2
• Mpl1
• Mpl2
• Mpx+
• Mpx-
• Mpx-b3 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Multi- display
• Panel fuse 5a
• Panel1
• Panel2
• Passenger side j/b (right kick panel)
• Pnk
• Radio and player
• Red
• Remote control mirror switch
• Rheostat
• Seat heater switch
• Sw1
• Sw2
• Sw3
• Tilt and telescopic ecu (behind left end of dash)
• Tire pressure monitor receiver (behind center of dash,below radio)
• Tr+
• Tr1
• Tr2
• Tr3
• Transponder key computer (left side of dash, behind gauge assembly)
• Tx1
• Vsc off switch

Instrument Illumination Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• Airbag
• Airbag sensor assembly (center of dash, below radio)
• Bdr
• Bl (under drivers seat)
• Bq (rear quarter panel)
• Bubs
• Combination meter
• D-door fuse 25a
• D-ig fuse 10a
• Driver door ecu (inside front of left front door)
• Driver side j/b (at left kick panel)
• Drivers seat ecu (below drivers seat)
• E14
• E16
• Engine room no. 1 r/b (left front of engine compt., behind headlight)
• F13
• F15
• F18
• Front passengers seat ecu (below front passengers seat)
• Glove box light
• Glove box light switch
• Gnd d19
• Gnd p11
• Hot at all times
• Hot in on and start
• Ig (left side of steering column)
• Ig+
• Ih (under steering column)
• J/c 13 (behind upper center of dash)
• J/c 17 (behind upper center of dash)
• J/c 18 (right quarter panel)
• L24
• Luggage room j/b (left rear corner of luggage compartment)
• Luggage room j/b ecu
• Mpx
• Mpx+
• Mpx+b
• Mpx-
• Mpx- p6
• Mpx-b2 fuse 7.5a
• Mpx1
• Mpx1 p9
• Mpx2
• Mpx2 d17
• P-door fuse 25a
• P-gnd
• Passenger door ecu (inside front of right front door)
• Passenger side j/b (at right kick panel)
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Pnk
• Power window master switch
• Pwe
• Pws
• Red
• Right door lock control switch
• Right power window control switch
• Skid control ecu (behind left side of dash)
• Sliding roof control ecu (rear of luggage compartment)
• Theft deterrent ecu (behind left end of dash)
• Wls1

MEMORY SYSTEMS

Memory System Wiring Diagrams (1 of 3) for Lexus SC 430 2002

List of elements for Memory System Wiring Diagrams (1 of 3) for Lexus SC 430 2002:

• Bdr
• Bl (under driver's seat)
• Cm+r
• Computer data lines system
• Cpub
• D-door fuse 25a
• D-ig fuse 10a
• D18
• D19
• De2
• Dmhr
• Dmvr
• Driver door ecu (in driver's door)
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• Driving position memory switch
• Dvc
• Engine control module (left side of engine compt, in ecu box)
• Engine room 1 r/b (right side of engine compt, behind strut tower)
• F11
• Gnd
• Hot at all times
• Hot in on or start
• Hssr
• I15
• Ii (left dash brace)
• Ill+
• Ill-
• Instrument panel j/b (upper center of dash)
• Interior lights system
• J/c 13 (right side of dash)
• J/c 18 (right quarter panel)
• J/c 4
• J/c 5 b
• Junction connector (in ecu box)
• Left remote control mirror
• Lt/rt m
• Luggage room j/b (left rear corner of luggage compt)
• Mirror retractor switch
• Mpx-b
• Mpx-b1 fuse 7.5a
• Mpx-b3 fuse 7.5a
• Mpx-ig
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Mr+
• Mr-
• Mry
• Msw
• Mswe
• P-door fuse 25a
• P11
• Park/neutral position switch (on transmission)
• Passenger door ecu (in right door)
• Passenger side j/b (behind right kick panel)
• Pe2
• Pm+r
• Pmhr
• Pmvr
• Pnk
• Pvc
• R/e
• Red
• Remote control mirror switch
• Ret
• Retrac m
• Right remote control mirror
• Sensor
• Sig
• Up/dn m
• Vssr

Memory System Wiring Diagrams (2 of 3) for Lexus SC 430 2002

List of elements for Memory System Wiring Diagrams (2 of 3) for Lexus SC 430 2002:

• (under driver's seat)
• Bl (under driver's seat)
• Center j/b (right center of dash)
• Computer data lines system
• D p/seat fuse 30a
• Driver side j/b (behind left kick panel)
• Driver's power seat control switch
• Driver's power seat ecu (under driver's seat)
• Driver's seat front vertical control sensor
• Driver's seat front vertical motor
• Driver's seat lifter control sensor
• Driver's seat lifter motor
• Driver's seat lumbar support control motor
• Driver's seat reclining control sensor
• Driver's seat reclining motor
• Driver's seat slide control sensor
• Driver's seat slide motor
• Driver's support lumbar control switch
• Ecub
• Ecue
• F11
• Fdwn
• Frv+
• Frv-
• Fup
• G10
• Gnd
• Hot at all times
• Hot in on or start
• I17
• I22
• Ih (under steering column)
• Ii (left dash brace)
• Instrument panel j/b (upper center of dash)
• J/c 13 (right side of dash)
• J/c 19 (under driver's seat)
• J/c 20 (below driver's seat)
• J10
• Ksw
• Ldwn
• Lft+
• Lft-
• Lup
• Mpx-b1 fuse 7.5a
• Mpx-b3 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• P21
• P22
• Passenger side j/b (behind right kick panel)
• Pvcc
• Rcl+
• Rcl-
• Rclf
• Rclr
• Red
• Sgnd
• Sld+
• Sld-
• Sldf
• Sldr
• Ssfv
• Ssrr
• Ssrs
• Ssrv
• Sysb
• Tem+
• Tem-
• Ti & te fuse 15a
• Tilt & telescopic ecu (behind left end of dash)
• Tim+
• Tim-
• Transponder key computer (left side of dash)
• Unlock warning switch (behind left side of dash)

Memory System Wiring Diagrams (3 of 3) for Lexus SC 430 2002

List of elements for Memory System Wiring Diagrams (3 of 3) for Lexus SC 430 2002:

• (under front passenger's seat)
• Bm (under front passenger's seat)
• Computer data lines system
• Fdwn
• Frv+
• Frv-
• Fup
• Gnd
• Hot at all times
• I19
• J/c 21 (below passenger's seat)
• J/c 22 (under passenger's seat)
• Ldwn
• Lft+
• Lft-
• Lup
• Mpx-b1 fuse 7.5a
• Mpx1
• Mpx2
• P p/seat fuse 30a
• P23
• P24
• Passenger side j/b (behind right kick panel)
• Passenger's lumbar support conrol switch
• Passenger's power seat control switch
• Passenger's power seat ecu (under passenger's seat)
• Passenger's seat front vertical control sensor
• Passenger's seat front vertical motor
• Passenger's seat lifter control sensor
• Passenger's seat lifter motor
• Passenger's seat lumbar support control motor
• Passenger's seat reclining control sensor
• Passenger's seat reclining motor
• Passenger's seat slide control sensor
• Passenger's seat slide motor
• Pvcc
• Rcl+
• Rcl-
• Rclf
• Rclr
• Red
• Sgnd
• Sld+
• Sld-
• Sldf
• Sldr
• Ssfv
• Ssrr
• Ssrs
• Ssrv
• Sysb

NAVIGATION

Navigation Wiring Diagram for Lexus SC 430 2002

List of elements for Navigation Wiring Diagram for Lexus SC 430 2002:

• A/c system
• Acc
• Atx+
• Atx-
• Aui+
• Aui-
• Auo+
• Auo-
• B1+
• B13
• B18
• Braided
• Center j/b (behind right center of dash)
• Computer data lines
• D11
• D18
• D20
• Data link connector 3 (behind left side of dash)
• Driver side j/b (behind left kick panel)
• E10
• E11
• E16
• E17
• Engine room no.2 r/b (left side of eng compt, behind strut tower)
• Fl+
• Fl-
• G10
• Gnd1
• Hot at all times
• Hot in accy and on
• Hot in on and start
• Hot in start
• Ig (left side of steering column)
• Ih (under steering column)
• Instrument cluster system
• J/c 12 (behind right side of dash)
• J/c 15 (under right side of package tray)
• J/c 18 (right quarter panel
• J/c 9 &10 (behind top left end of dash)
• J10
• Left door speaker
• Multi-display
• Mut2
• N-mu
• Navigation ecu (right rear corner of luggage compt)
• Opn
• P-ig fuse 10a
• Parking brake switch
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Pkb
• Pnk
• Radio 2 fuse 10a
• Radio and player
• Re1
• Re2
• Red
• Rev
• Spd
• St1
• Starter fuse 7.5a
• Stereo component amplifier (right rear corner of luggage compt)
• Sync
• T21
• T2o
• Telephone ecu (center rear of luggage compt)
• Tilt
• Tv fuse 5a
• Tx+
• Tx-
• Txd+
• Txd-
• Txs+
• Txs-
• W/ telephone
• W/o telephone

PASSIVE RESTRAINTS

Passive Restraint Wiring Diagram for Lexus SC 430 2002

List of elements for Passive Restraint Wiring Diagram for Lexus SC 430 2002:

• A21
• A22
• Air bag sensor assembly (below radio)
• Airbag
• Bkll
• Bl (under driver's seat)
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• E11
• Hot in run or start
• J/c j18 (right quarter panel)
• Left buckle switch (in buckle)
• Left tension reducer solenoid (base of left "b" pillar)
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Right buckle switch (in buckle)
• Right tension reducer solenoid (base of right "b" pillar)

POWER ANTENNA

Power Antenna Wiring Diagram for Lexus SC 430 2002

List of elements for Power Antenna Wiring Diagram for Lexus SC 430 2002:

• (right side of eng compt, behind strut tower)
• Auto antenna control relay & motor
• Center j/b (behind right center of dash)
• E13
• E17
• Engine room no.1 r/b
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Instrument panel j/b (behind upper center of dash)
• J/c 12 (right side of dash)
• J/c 15
• J/c 18 (right rear of luggage compt)
• J/c 9 (top left end of dash)
• P-ig fuse 10a
• Passenger side j/b (behind left kick panel)
• Radio & player
• Radio 2 fuse 10a
• Radio no.1 fuse 30a

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2002

List of elements for Power Distribution Wiring Diagram (1 of 3) for Lexus SC 430 2002:

• Abs 1 fuse 60a
• Abs 2 fuse 40a
• Accy
• Air conditioning system
• Alt fuse 120a
• Alt-s fuse 5a
• Am1 fuse 5a
• Am2 fuse 30a
• Anti-lock brake system
• Battery
• C13
• Cooling fan system
• Cruise control, engine, transmission systems
• Cruise control, transmission, engine anti-theft, anti-lock brakes systems
• D-door fuse 25a
• D/c cut fuse 15a
• Driver side j/b (behind left kick panel)
• E17
• Ecu box)
• Efi 2 fuse 10a
• Efi fuse 25a
• Efi relay
• Engine control module (left side of engine compt, in e
• Engine room no.1 r/b (on right side of engine compt, behind strut tower)
• Engine room no.2 r/b (on left side of engine compt, behind strut tower)
• Engine system
• Etcs fuse 15a
• Exterior lights, door locks, anti-theft, body computer systems
• Fan 2 fuse 40a
• Fan fuse 40a
• From ignition switch b (diagram 1 of 3)
• H-lp l lwr fuse 15a
• H-lp r lwr fuse 15a
• H-lp upr fuse 20a
• Headlamp relay
• Headlight body computer systems
• Heater fuse 50a
• Horn fuse 10a
• Horn, computer data line, door locks, anti-theft systems
• Ig2 fuse 7.5a
• Ig2 main fuse 20a
• Ig2 relay
• Ign fuse 5a
• Ignition switch
• Inj fuse 10a
• Interior light, defogger, computer data line, power window, power mirror power tops, door locks, anti-theft systems
• J/c 2
• Main fuse 50a
• Off
• P-door fuse 25a
• Passenger side j/b (behind right kick panel)
• Radio 1 fuse 30a
• Red
• Short pin 1
• Short pin 2
• Sound system
• Start
• Starter fuse 5a
• Starter relay
• Starting, engine systems
• Starting/ charging system
• Tel fuse 5a
• Telephone computer
• To driver side j/b (diagram 3 of 3)
• To engine room no 2 r/b (diagram 1 of 1)
• To passenger side j/b (diagram 2 of 3)
• To rr j/b fuse (diagram 2 of 3)
• To tail fuse (diagram 3 of 3)
• Transmission, engine, starting/ chaging, navigation systems
• Turn-haz fuse 15a

Power Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2002

List of elements for Power Distribution Wiring Diagram (2 of 3) for Lexus SC 430 2002:

• A/c fuse 5a
• Acc relay
• Accy
• Air conditioning, instrument cluster systems
• Air conditioning, starting/charging, instrument cluster, headlight, engine, interior lights, body computer, srs, power tops, exterior lights, anti-lock brakes, wiper/washer, sound, cruise control systems
• Body computer exterior lights systems
• Body computer, sound, defogger, anti-theft, door lock systems
• C10
• C12
• C17
• Cig fuse 15a
• Cigarette lighter
• D5 not used
• Defog fuse 30a
• Defog relay
• Defogger system
• Dome fuse 7.5a
• E13
• E17
• Engine room no.1 r/b (on right side of engine compt, behind strut tower)
• Engine, mirror, seats, power windows, power tops, door locks, anti-theft, body computer systems
• F11
• From driver side j/b (diagram 3 of 3)
• From engine room f no 1 r/b (diagram 1 of 1)
• From engine room no.1 r/b (diagram 1 of 3)
• From ignition switch (diagram 1 of 3)
• Fuel opn fuse 10a
• Gnd
• H-lp cln fuse 30a
• H-lp lvl fuse 5a
• Headlight cleaner motor
• Headlights system
• Headlights, exterior lights, wiper/washer, body computer systems
• Headlights, interior lights, body computer, mirrors, exterior lights, wiper/washer trunk,tailgate, fuel doors systems
• I10
• I19
• I21
• Ig (left side of steering column)
• Ig1 relay
• Ii (left instrument panel brace)
• Jc/11 (below center of dash, below radio)
• Lce-lp fuse 7.5a
• Lgg lh fuse 20a
• Lgg rh fuse 20a
• Luggage room j/b (at left rear corner of luggage compt)
• Luggage room j/b ecu
• Mpx-b1 fuse 7.5a
• Mpx-b2 fuse 7.5a
• Mpx-b3 fuse 7.5a
• Navigation system
• Not used
• P p/seat fuse 30a
• P-ig fuse 10a
• P-tray fuse 20a
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Pnk
• Power tops system
• Radio 2 fuse 10a
• Red
• Roof lh fuse 20a
• Roof rh fuse 20a
• Rr j/b fuse 50a
• Seat htr fuse 20a
• Seats system
• Sound system, navigation, seats, shift interlock, mirrors systems
• Systems
• To driver side j/b (diagram 3 of 3)
• Tv fuse 5a
• Washer fuse 20a
• Wiper/washer, body control module
• Wiper/washer, interior lights, body computer, mirrors, power antenna, sound, cellular phone, anti-theft, power window, rea defogger systems

Power Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2002

List of elements for Power Distribution Wiring Diagram (3 of 3) for Lexus SC 430 2002:

• Abs-ig fuse 7.5a
• Acc relay
• Accy
• Air conditioning system
• Air conditioning, cooling fans, body computer systems
• Air conditioning, headlights, interior lights, power mirrors, body computer, memory, power tops, exterior lights, anti-theft, door locks, wipep/washer, power windows systems
• Air conditioning, starting/charging, instrument cluster cruise control, transmission, engine, headlights, interior lights, warnings, navigation, memory, sound, power tops, srs, exterior lights anti-lock brakes, wiper/washer systems
• Anti-lock brakes system
• Body computer system
• Body computer, power window, door locks, power window, anti-theft systems
• Body computer, wiper/washer systems
• C11
• C16
• Cruise control, engine, transmission, body computer systems
• Cruise control, transmission, engine, srs, anti-lock brakes systems
• D p/seat fuse 30a
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• E10
• E11
• Exterior lights, starting/charging, cruise control, headlights, power mirrors, power tops system
• F11
• F12
• F15
• F16
• F17
• Fr fog fuse 15a
• From fuse am1 (diagram 1 of 1)
• From ignition switch (diagram 1 of 3)
• From passenger side j/b (diagram 2 of 3
• G10
• Gnd
• Headlight, exterior lights, door lock, anti-theft, body control systems
• Headlights, body computer systems
• Heater fuse 10a
• Horn, body computer systems
• I15
• I16
• I17
• Ig1 relay
• Ii (left instrument panel brace)
• J10
• Memory systems
• Memory, seats systems
• Mpx-ig
• Mpx-ig fuse 7.5a
• Not used
• Obd fuse 7.5a
• Panel fuse 5a
• Panel1
• Pnk
• Power outlet
• Power window, power tops, power mirror, defogger, body computer, anti-theft, door locks system
• Pwr outlet fuse 15a
• Red
• Security fuse 7.5a
• Stop fuse 5a
• Tail fuse 7.5a
• Ti-te fuse 15a
• To passenger side j/b (diagram 2 of 3)
• Wiper fuse 30a
• Wiper/washer system system

POWER DOOR LOCKS

Power Door Lock Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Power Door Lock Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• (behind right side of dash) j/c 13
• A19
• A20
• A21
• A22
• A25
• A26
• A27
• A28
• A29
• A30
• B13
• B20
• Bdr
• Bl (under driver's seat)
• C13
• C16
• Computer data lines system
• Cpse
• Cpub
• Cty
• D-door fuse 25a
• D17
• D18
• D19
• Dle
• Driver door ecu (in driver's door)
• Driver side j/b (behind left kick panel)
• E17
• E18
• Engine room 1 r/b (right side of engine compt)
• F11
• F17
• Gnd
• H1 h1
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I15
• I21
• Ill
• Instrument panel j/b (behind upper center of dash)
• J/c 18 (right quarter panel)
• Kul
• L22
• L23
• Lcm+
• Lct
• Lcte
• Lcty
• Left door courtesy switch
• Left door lock control switch (power window master switch)
• Left door lock motor, door key lock & unlock switch, & door unlock detection switch
• Lsw
• Luggage compartment door detection switch
• Luggage compartment door lock motor
• Luggage room j/b (left rear corner of luggage compt)
• Luggage room j/b ecu (left rear corner of luggage compt)
• Mpx+
• Mpx-
• Mpx-b1 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Mul
• P-door fuse 25a
• P10
• P11
• Passenger door ecu (in right door)
• Passenger side j/b (behind right kick panel)
• Pnk
• Pwe
• Pws
• Radio 2 fuse 10a
• Red
• Right door courtesy switch
• Right door lock control switch
• Right door lock motor & door unlock detection switch
• S17
• S18
• Security fuse 7.5a
• Sig
• Sliding roof control ecu (left rear of luggage compt)
• Tail fuse 7.5a
• Wls1
• Wlsw

Power Door Lock Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Power Door Lock Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• (16-19 not used)
• (25-28 not used)
• (34-40 not used)
• (6-12 not used)
• (behind gauge assembly) transponder key computer
• (behind left kick panel) driver side j/b
• (behind right kick panel) passenger side j/b
• (front center of engine compt) engine hood courtesy switch
• (left dash brace) ii
• (under steering column) ih
• +b1
• +b2
• A15
• A16
• Acc
• Agnd
• Airbag
• Ant1
• Ant2
• B11
• B20
• Bzr
• Bzr2
• C10
• C16
• Center j/b (behind right center of dash)
• Cncl
• Code
• Computer data lines system
• Cpub
• Cra relay
• D13
• D19
• D20
• D21
• D23
• D24
• Data
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• Ed left front fender)
• Efii
• Efio
• Engine control module (left side of engine compt, in ecu box)
• Engine room 1 r/b (right side of engine compt)
• Engine room 2 r/b (left side of engine compt)
• Exterior lights system
• F17
• Front controller
• Gnd
• Haz
• Hdcy
• Head lp relay
• Headlights system
• Horn fuse 10a
• Horn relay
• Horn-rly
• Horns system
• Hot at all times
• Hot in on or start
• Hrly
• Ig2
• Ign fuse 5a
• Ih (under steering column)
• Ile
• Imi
• Imo
• Ind
• Interior lights system
• J/c 2 (in engine room 2 r/b)
• J/c 3 (in engine room 2 j/b)
• J/c 9 & j/c 10 (top left end of dash)
• Ksw
• Main fuse 50a
• Main luggage compartment door opener switch
• Mpx-
• Mpx1
• Mpx2
• Park/neutral position switch
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu (right side kick panel)
• Pnk
• Rco
• Rda
• Red
• Rssi
• Rxck
• Security indicator light
• Sh-
• Tail-rly
• Theft deterrent ecu (left end of dash)
• Theft deterrent horn (right front of engine compt)
• Transponder key amplifier (right of steering column)
• Transponder key coil
• Turn- haz fuse 15a
• Txct
• Unlock warning switch
• Vc12
• Wireless door lock buzzer (left rear corner of engine compt)
• Wireless door lock control receiver (center of roof header)

POWER MIRRORS

Power Mirror Wiring Diagram for Lexus SC 430 2002

List of elements for Power Mirror Wiring Diagram for Lexus SC 430 2002:

• Center j/b (behind right center of dash)
• D19
• D20
• Driver door ecu (in driver's door)
• Ec+
• Ec-
• Eci+
• Eci-
• F14
• F16
• Gnd
• Hot in on or start
• I12
• Ig (left side of steering column)
• Inner mirror
• J/c 9, j/c 10 (top left end of dash)
• J10
• Left remote control mirror
• P-ig fuse 10a
• Passenger door ecu (in right door)
• Passenger side j/b (behind right kick panel)
• R14
• R15
• Right remote control mirror

POWER SEATS

Heated Seats Wiring Diagram for Lexus SC 430 2002

List of elements for Heated Seats Wiring Diagram for Lexus SC 430 2002:

• B14
• Bl (under drivers seat)
• Bm (under front passengers seat)
• Center j/b (behind right center of dash)
• Drivers seat heater controller (under seat)
• Front passenger seat heater control (under seat)
• Hot at all times
• Hot in on and start
• Hot in on or start
• Ig (left side of steering column)
• Ih (under steering column)
• J/c 20 (under right side of drivers seat)
• J/c 21 (under left side of front passengers seat)
• P p-seat fuse 30a
• P-ig fuse 10a
• Passenger side j/b (behind right kick panel)
• Rvl
• Rvr
• Seat heater switch
• Seat htr fuse 20a
• Swl
• Swr
• Thl
• Thr

POWER TOP/SUNROOF

Retractable Hardtop Provision (1 of 2) for Lexus SC 430 2002

List of elements for Retractable Hardtop Provision (1 of 2) for Lexus SC 430 2002:

• (under left side of package tray)
• Blgl
• Blgr
• Bpt
• Brfl
• Brfr
• C10 red
• Cls
• Computer data lines
• Cpub
• Hot at all times
• J/c 17 (left quarter panel)
• L22
• L24
• Lct
• Lcte
• Lcty
• Left quarter window motor motor
• Lfl+
• Lfl-
• Lfr+
• Lfr-
• Lgg lh fuse 20a
• Lgg rh fuse 20a
• Limit switch (left luggage front lock) (left rear of luggage compt)
• Limit switch (package tray 1)
• Limit switch (roof close) (left) (left side of roof)
• Limit switch (roof close) (right) (right side of roof)
• Limit switch (roof lock) (left side of roof)
• Limit switch (roof position no.1 and no.2 (left rear of luggage compt)
• Limit switch (tonneau cover) (left rear of luggage compt)
• Lll
• Llle
• Lml+
• Lml-
• Lpl
• Lplb
• Lple
• Luggage compt door closer motor (left) (right side of luggage compt)
• Luggage compt door closer motor (right) (right side of luggage compt)
• Luggage compt door detection switch (rear of luggage compt)
• Luggage room j/b (left rear corner of luggage compt)
• Luggage room j/b ecu (left rear corner of luggage compt)
• Mpx+
• Mpx-
• Open
• P-tray fuse 20a
• Package tray motor
• Pnk
• Ptm+
• Ptm-
• Ptp1
• Ptp2
• Ptpe
• Qwl+
• Qwl-
• Rcl
• Rcle
• Rcr
• Rcre
• Red
• Rhl
• Rhle
• Rll
• Rlle
• Rlm+
• Rlm-
• Rml+
• Rml-
• Roof lh fuse 20a
• Roof lock motor
• Roof rh fuse 20a
• Rpl
• Rplb
• Rple
• S17
• S19
• S21
• Sliding roof control ecu (left side of luggage compt)
• Swe
• Tcs
• Tcse

Retractable Hardtop Provision (2 of 2) for Lexus SC 430 2002

List of elements for Retractable Hardtop Provision (2 of 2) for Lexus SC 430 2002:

• (front of luggage compt)
• (right front of luggage compt)
• (right rear of luggage compt)
• A/c control assembly
• A10
• B2 (right rear of luggage compt)
• Bm (under front passengers seat)
• Cls
• Computer data lines
• Drivers side j/b (behind left kick panel
• Gnd
• Hot at all times
• Hot in on and start
• I20
• Ign
• Ih (under steering column)
• Instrument panel j/b (upper center of dash)
• J/c 13 (behind right side of dash)
• J/c 18 (rear quarter panel)
• Lc4
• Lcre
• Left luggage compt door drive motor
• Left roof drive motor
• Limit switch (luggage compt door open and close)
• Limit switch (package tray no. 2)
• Limit switch (right luggage front lock) (right rear of luggage compt)
• Limit switch (roof open)
• Limit switch (roof position no. 3)
• Llr
• Llre
• Lmr+
• Lmr-
• Lor
• Lpr
• Lprb
• Lpre
• Mpx+
• Mpx-
• Mpx-b1 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx2
• Open
• Passengers side j/b (behind right kick panel)
• Pnk
• Qwr+
• Qwr-
• Red
• Rhr1
• Rhr2
• Rhre
• Right drive motor
• Right luggage compt door drive motor
• Right quarter window motor
• Rmr+
• Rmr-
• Ror
• Rore
• Rpr
• Rpr3
• Rprb
• S18
• S20
• Sgnd
• Sig
• Sliding roof control ecu (left rear of luggage compt)
• Swe

POWER WINDOWS

Power Window Wiring Diagram for Lexus SC 430 2002

List of elements for Power Window Wiring Diagram for Lexus SC 430 2002:

• (behind left kick panel) driver side j/b
• (behind upper center of dash) instrument panel j/b
• (under steering column)
• +b1
• +b2
• Acc
• Auto
• Bdr
• Bl (under driver's seat)
• Bq (right quarter panel)
• Bzr
• Bzr2
• Center j/b (behind right center of dash)
• Computer data lines system
• Cpse
• Cpub
• Cty
• D-door fuse 25a
• D17
• D18
• D19
• Data
• Ddn
• Dn auto
• Dn man
• Driver door ecu (in driver's door)
• Dt1
• Dup
• E17
• E18
• Engine room 1 r/b (right side of eng compt)
• F11
• F17
• Gnd
• Hot at all times
• Hot in accy or on
• Hot in on or start
• I15
• I21
• J/c 13 (behind right side of dash)
• J/c 18
• J/c 9, j/c 10 (behind top left end of dash)
• J10
• J9 f
• Kul
• Left door courtesy switch
• Left door key lock & unlock switch
• Left power window motor
• Lmt
• Luggage room j/b (left rear corner of luggage compartment)
• Mdn
• Mpx
• Mpx-b1 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• Mul
• Mup
• P-door fuse 25a
• P11
• Pasenger side j/b (behind right kick panel)
• Passenger door ecu (in right door)
• Pct
• Pls
• Power window master switch
• Pwe
• Pws
• Radio 2 fuse 10a
• Rco
• Rda
• Red
• Right door courtesy switch
• Right power window control switch
• Right power window motor
• Rssi
• Sc1
• Sc2
• Sc3
• Security fuse 7.5a
• Sgnd
• Sig
• Theft deterrent ecu (behind left end of dash)
• Up auto
• Up man
• W/l
• Wireless door lock buzzer
• Wireless door lock control receiver (center of roof header)
• Wls1
• Wlsw

RADIO

Radio Wiring Diagrams (1 of 2) for Lexus SC 430 2002

List of elements for Radio Wiring Diagrams (1 of 2) for Lexus SC 430 2002:

• Acc
• Atx+
• Atx-
• Audio door control switch
• Aui+
• Aui-
• Auo+
• Auo_
• B13
• Center j/b (behind right center of dash)
• Combination meter
• D20
• Dome fuse 7.5a
• Dos1
• E10
• Engine room no.1 r/b (right side of engine compt behind strut tower)
• F14
• Gateway ecu (behind right side of dash)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Hot in accy or on
• Ig (left side of steering column)
• Ih (under steering column)
• Ij (right dash brace)
• Instrument panel j/b (behind upper center of dash)
• J/c 12 (behind right side of dash)
• J/c 9 & j/10 (behind top left end of dash)
• J10
• Left door speaker (squawker and tweeter)
• Multi display
• Mut2
• Mute
• Navigation ecu (right rear corner of luggage compartment)
• Nca
• Passenger side j/b (behind right kick panel)
• Pnk
• Radio & player
• Radio 1 fuse 30a
• Radio 2 fuse 10a
• Red
• Sgnd
• Tx+
• Tx-
• Tx1+
• Tx1-
• Txs+
• Txs-
• W/ navi
• W/ phone
• W/o navi
• W/o phone

Radio Wiring Diagrams (2 of 2) for Lexus SC 430 2002

List of elements for Radio Wiring Diagrams (2 of 2) for Lexus SC 430 2002:

• Acc
• Bo (near stereo component amplifier)
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• J/c 15 (in luggage compt below right side of package tray)
• Left front woofer
• Left rear speaker
• Mute
• N-mu
• Pnk
• Rear woofer
• Red
• Right door speaker (squaker and tweeter)
• Right front woofer
• Right rear speaker
• Rl+
• Rl-
• Rr+
• Rr-
• S13
• S14
• S22
• S23
• Sp+
• Sp-
• Spd
• Spi+
• Spi-
• Stereo component amplifier (under rear seat)
• T16
• T18
• T19
• T20
• T21
• Telephone computer (center rear of luggage compt)
• Tfr+
• Tfr-
• Tmut
• Tx+
• Tx-
• Txd+
• Txd-
• W/ cellular phone
• W/navi w/ phone
• W/navi w/o phone
• W/o cellular phone
• Wf+
• Wf-
• Wfl-
• Wfr-

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Lexus SC 430 2002

List of elements for Shift Interlock Wiring Diagram for Lexus SC 430 2002:

• Acc
• B10
• Center j/b (right center of dash)
• D16
• D20
• Driver side j/b (left kick panel)
• Driver side j/b ecu (left end of dash)
• E17
• F10
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Ig (left side of steering column)
• Ih (under steering column)
• Instrument panel j/b (upper center of dash)
• Kls+
• P-ig fuse 10a
• Passenger side j/b (right kick panel)
• Radio 2 fuse 10a
• Shift lock control ecu (under center console, near selector lever)
• Stop fuse 5a
• Stop light switch (top of brake pedal bracket)
• Stp
• Stpi
• Unlock warning switch & key interlock solenoid (left side of dash)

STARTING/CHARGING

Charging Wiring Diagram for Lexus SC 430 2002

List of elements for Charging Wiring Diagram for Lexus SC 430 2002:

• Alt fusible link 120a
• Alt-s fuse 5a
• Battery
• Battery ground
• Charge
• Combination meter
• Computer data lines system
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• Engine control module (on left side of engine compartment in ecu box)
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• F15
• Generator
• Hot in on or start
• Ig+
• Ih (under steering column)
• J/c 4 & 5 (in ecu box)
• Mpx+
• Mpx1
• Mpx2
• Nca
• Passenger side j/b (behind right kick panel)
• Red

Starting Wiring Diagram for Lexus SC 430 2002

List of elements for Starting Wiring Diagram for Lexus SC 430 2002:

• Acc
• Am2
• Am2 fuse 30a
• Battery
• Ed (left front cylinder)
• Engine control module (at left side of engine compt, in ecu box)
• Engine room no. 2 r/b (left side of eng compt, behind strut tower)
• Ignition switch
• Lock
• Nca
• Park/neutral position switch (on transmission)
• Short pin no. 1
• Short pin no. 2
• St2
• Start
• Starter
• Starter fuse 7.5a
• Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for Supplemental Restraint Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• (at base of left "b" pillar) left pretensioner
• +sl
• +sr
• -sl
• -sr
• A20
• A21
• A22
• Air bag sensor assembly (at center center of dash, below radio)
• Air bag squib (steering wheel pad)
• Dml+
• Dml-
• Dmr+
• Dmr-
• Driver side j/b (at left kick panel)
• Esl
• Esr
• Fsr+
• Fsr-
• Hot in on or start
• Ig1
• Ig2
• Ig2 fuse 7.5a
• J/c j18 (right quarter panel)
• Late production
• Left door side air bag sensor
• Left side air bag squib
• Mpx-ig fuse 7.5a
• Mpx1
• Mpx2
• P2+
• P2-
• Passenger side j/b (at right kick panel)
• Pl+
• Pl-
• Pnk
• Pr+
• Pr-
• Rbe+
• Right buckle switch & occupant detection sensor (under front passenger's seat)
• Right door side air bag sensor
• Right pretensioner (at base of right "b" pillar)
• Right side air bag sensor (behind interior trim, forward of rear wheel)
• Right side air bag squib
• Sfl+
• Sfl-
• Sfr+
• Sfr-
• Sil
• Ssl+
• Ssl-
• Ssr+
• Ssr-
• Vupl
• Vupr

Supplemental Restraint Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for Supplemental Restraint Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• (under steering column) ih
• A/c control assembly (behind center of dash)
• A10
• Air bag
• Air bag squib (front passenger air bag asssembly)
• Bl (under driver's seat)
• Combination meter
• D-ig fuse 10a
• Data link connector 3 (partial) (behind left side of dash)
• Dbkl
• Driver side j/b (at left kick panel)
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (behind left kick panel)
• E10
• Engine control module (at left side of engine compartment, in ecu box)
• Engine room 2 r/b (on left front of engine compartment, behind strut tower)
• Esl
• F13
• F15
• Front controller
• Gateway ecu (behind right side of dash)
• Hot in on or start
• J/c j20 (under right side of driver's seat)
• Junction connector 9 (behind top left end of dash)
• Left buckle switch (in left front seat belt buckle)
• Left front air bag sensor (on left front of engine compartment)
• Left side air bag sensor (behind interior trim, forward of rear wheel)
• Mpi1
• Mpi2
• Mpl2
• Mpx +
• Mpx -
• Mpx 1
• Mpx 2
• Mpx-
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu
• Right front air bag sensor (on right front of engine compartment)
• Skid control ecu (behind left side of dash)
• Solid state
• Srs
• Ssl+
• Ssl-
• Tire pressure monitor receiver
• Vupl

TRANSMISSION

A/T Wiring Diagram (1 of 2) for Lexus SC 430 2002

List of elements for A/T Wiring Diagram (1 of 2) for Lexus SC 430 2002:

• (engine harn, in ecu box) e5
• +b1
• +bm
• Accelerator position sensor (behind left center of dash)
• B16
• Batt
• C12
• C15
• Center j/b (behind right center of dash)
• Combination meter
• Computer data lines system
• D-ig fuse 10a
• D17
• Data link connector 3 (below left side of dash)
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• Ect pwr
• Ect snow
• Ed (left front fender)
• Efi fuse 25a
• Efi relay
• Electronically controlled transmission pattern select switch
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Engine controls system
• Engine room r/b 1 (right side compt, behind of engine strut tower)
• Engine room r/b 2 (left side of engine compt, behind strut tower)
• Epa
• Eptk
• Etcs fuse 15a
• F15
• Hot at all times
• Hot in on or start
• Ign fuse 5a
• Igsw
• Ih (under steering column)
• J/c 13 (behind right side of dash)
• J/c 2 (in engine room r/b 2)
• J/c 3 (in engine room r/b 2)
• J/c 4, j/c 5 (in ecu box) j5
• J/c 9 (behind top left end of dash)
• Mil
• Mpx1
• Mpx2
• Mrel
• P4 snow
• P6 mpx-
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu (right side kick panel)
• Pwr
• Red
• Sil
• Snow
• Speedo
• Stop fuse 5a
• Stoplight switch (top of brake pedal bracket)
• Stp
• Stpi
• Stpo
• Tac
• Tach
• Vcpa
• Vpa
• Vpa2
• Vptk
• Wfse
• Wsfe

A/T Wiring Diagram (2 of 2) for Lexus SC 430 2002

List of elements for A/T Wiring Diagram (2 of 2) for Lexus SC 430 2002:

• (behind right kick panel) passenger side j/b
• (on transaxle) electronically controlled transmission solenoid
• (on transmission) (integral to park/neutral position switch) a/t indicator light switch
• At4
• Atl
• Braided
• C10
• C16
• E01
• E02
• E03
• Eb (side of right cylinder head)
• Ec (side of left cylinder head)
• Engine control module (ecm) (at left side of engine compt, in ecu box)
• Engine coolant temperature sensor (on top right side of engine)
• Eoil
• Eta
• Ethw
• Ge01
• J/c 7 (in ecu box)
• Me01
• Nca
• Nco+
• Nco-
• Nssd
• Nssl
• O/d direct clutch speed sensor (on trans)
• Oil
• Red
• Shift lock control ecu (under center console, near selector)
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Throttle control motor & sensor (on throttle body)
• Thw
• Vehicle speed sensor (electronically controlled transmission) (on trans)
• Vta
• Vta2

TRUNK, TAILGATE, FUEL DOOR

Fuel Door Release for Lexus SC 430 2002

List of elements for Fuel Door Release for Lexus SC 430 2002:

• (behind right side of dash) j/c 13
• Bl (under drivers seat)
• Bp (left quarter panel)
• Computer data lines
• Driver side j/b (left kick panel)
• Driver side j/b ecu (left kick panel)
• E20
• Fuel
• Fuel lid open motor
• Fuel lid open switch
• Fuel opn (0)
• Fuel opn fuse 10a
• Gnd
• Hot at all times
• Ii (left dash brace)
• J/c 17
• L-o/c (p)
• L24
• Luggage room j/b (left side of luggage compt)
• Luggage room j/b (rear corner of luggage compt)
• Luggage room j/b ecu (left side of luggage compartment)
• Mpx+
• Mpx-
• Mpx-b
• Mpx-b3 fuse 7.5a
• Mpx1
• P-gnd
• Passenger side j/b (behind right kick panel)
• Red

Trunk Release & Pull Down Wiring Diagram for Lexus SC 430 2002

List of elements for Trunk Release & Pull Down Wiring Diagram for Lexus SC 430 2002:

• (behind right side of dash) j/c 13
• B20
• Bl (under drivers seat)
• Bp (left quarter panel)
• Center j/b (behind right center of dash)
• Cncl
• Computer data lines
• D20
• Driver side j/b (left kick panel)
• Driver side j/b ecu (left kick panel)
• E12
• F17
• Fuel opn fuse 10a
• Gnd
• Hot at all times
• Ig (left side of steering column)
• Ih (under steering column)
• Ii (left dash brace)
• J/c 17
• L-o/c (p)
• L22
• L24
• Lcm+
• Lct
• Lcte
• Lcty
• Luggage compartment door lock motor and detection switch (luggage compt, near lock assembly)
• Luggage compt door open main switch
• Luggage compt door open switch
• Luggage room j/b (left side of luggage compt)
• Luggage room j/b (rear corner of luggage compt)
• Luggage room j/b ecu (left side of luggage compartment)
• Mpx+
• Mpx-
• Mpx-b
• Mpx-b3 fuse 7.5a
• Mpx1
• P-gnd
• Passenger side j/b (behind right kick panel)
• Red
• Sliding roof control ecu (left rear of luggage compt)
• Tsw

WARNING SYSTEMS

Key Reminder & Seat Belt Warning Wiring Diagram for Lexus SC 430 2002

List of elements for Key Reminder & Seat Belt Warning Wiring Diagram for Lexus SC 430 2002:

• (behind top left end of dash)
• A21
• A22
• Air bag sensor assembly (behind center of dash)
• Bl (under driver's seat)
• Bq (right quarter panel)
• Buzzer
• Center j/b (behind right center of dash)
• Combination meter
• Computer data lines system
• Cty
• D-ig fuse 10a
• D17
• Dbkl
• Driver door ecu (in driver's door)
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• E16
• E17
• F15
• Front passenger seat belt warning light
• Fsr+
• Fsr-
• Gateway ecu (behind right side of dash)
• Hot at all times
• Hot in accy or on
• Hot in on or start
• Ig+
• Ih (under steering column)
• Instrument panel j/b (behind upper center of dash)
• J/c 13 (behind right side of dash)
• J/c 18
• J/c 20 (under right side of driver's seat)
• J/c 9, j/c 10
• J10 c
• J9 c
• Ksw
• Left buckle switch
• Left door courtesy switch
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpl1
• Mpl2
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Pblt
• Radio 2 fuse 10a
• Rbe+
• Red
• Right buckle switch & occupant detection sensor
• Seat belt indicator
• Transponder key computer (behind left side of dash)
• Unlock warning switch

Tire Pressure Monitoring Wiring Diagram for Lexus SC 430 2002

List of elements for Tire Pressure Monitoring Wiring Diagram for Lexus SC 430 2002:

• (left side of steering column)
• B21
• B22
• Buzzer
• Center j/b (right center of dash)
• Combination meter
• Computer data lines system
• D-ig fuse 10a
• D20
• Driver side j/b (behind left kick panel)
• E16
• F15
• F17
• Gnd
• Hot at all times
• Hot in on or start
• Ig+
• Ih (under steering column)
• J/c 13 (behind right side of dash)
• Left front tire pressure antenna (left front wheelwell)
• Left rear tire pressure antenna (left rear of luggage compt)
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Pnk
• Right front tire pressure antenna (right front wheelwell)
• Right rear tire pressure antenna (right rear of luggage compt)
• Skid control ecu (behind left end of dash)
• Sp1
• T10
• Tire pressure indicator
• Tire pressure monitor receiver (behind center of dash, below radio)
• Tire select switch

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Lexus SC 430 2002

List of elements for Front Wiper/Washer Wiring Diagram for Lexus SC 430 2002:

• Airbag
• C14
• Combination switch
• Computer data lines system
• Driver side j/b (behind left kick panel)
• Ed (left front fender)
• Engine room no.2 r/b (on left side of engine compt, behind strut tower)
• Front controller
• Front wiper motor
• Headlamp washer circuit
• Hot at all times
• Hot in on or start
• If (left kick panel)
• J/c j3 (in engine room no.2 r/b)
• J/c j8
• Mpx-
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Passenger side j/b ecu (right side kick panel)
• S/m
• S/s
• Washer fuse 20a
• Washer level sensor (at left front corner of eng compt)
• Washer motor
• Washer relay
• Wip
• Wiper fuse 30a
• Wlvl

Headlamp Washer Wiring Diagram for Lexus SC 430 2002

List of elements for Headlamp Washer Wiring Diagram for Lexus SC 430 2002:

• Combination switch
• Computer data lines system
• D-ig fuse 10a
• Driver side j/b (behind left kick panel)
• Driver side j/b ecu (left end of dash)
• Ed (left front fender)
• Engine room no.1 r/b (on right side of eng compt, behind strut tower)
• Engine room no.2 r/b (on left side of engine compt, behind strut tower)
• Front controller
• Frwa
• H-lp cln fuse 30a
• Hdcl
• Hdlo
• Head
• Headlight cleaner control relay (at left front of eng compt, behind bumper)
• Headlight cleaner motor (at left front corner of eng compt, behind headlight)
• Headlight cleaner switch
• Hot at all times
• Hot in on or start
• J/c 4 (in ecu box)
• J/c j3 (in engine room no.2 r/b)
• Mpx1
• Mpx2
• Passenger side j/b (behind right kick panel)
• Red
• Tx1
• Washer fuse 20a
• Washer relay