AIR CONDITIONING – Lexus LS 430 2003 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Front (1 of 2) for Lexus LS 430 2003

List of elements for Automatic A/C Wiring Diagram, Front (1 of 2) for Lexus LS 430 2003:

• (at right kick panel) passenger side j/b
• (at right side of shift lever)
• (at right side of shift lever) ii
• A/c
• A/c control assembly (behind right side of dash)
• A/c fuse 7.5a
• A/c pressure sensor (on left front of engine compt)
• A/c room
• A/c room temp switch (passenger)
• A/c solar sensor (front) (behind upper center of dash)
• A/c solar sensor (rear) (w/ rear cooler) (near center of rear speaker shelf)
• A11
• A12
• Acc
• Atx+
• Atx-
• Audio & rear a/c control switch (w/ rear audio controller)
• Blower motor (behind lower right side of dash)
• Blw
• Clock (w/o navigation)
• Combination meter
• Computer data lines system
• Defogger system
• Dgs
• Dome fuse 10a
• Down
• Driver side j/b (at left kick panel)
• Ds1
• Ds2
• Ds3
• Ds4
• Dual
• Duind+
• Duind-
• Drdn
• Drgnd
• Drup
• E13
• E14
• E16
• E17
• Eb (under fusible link block)
• F11
• F12
• F15
• Fusible link block (on right rear of engine compt)
• G j13
• Gateway ecu (behind left end of dash)
• Gauge fuse 10a
• Gnd
• Gtx+
• Gtx-
• Heater control switch (center cluster integration panel) (w/o navigation)
• Heater control switch (multi-display) (w/ navigation)
• Heater fuse 50a
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ig+
• Ik (at right side of firewall)
• Ill+
• Ill-
• Ind+
• Ind-
• Instrument panel register
• Interior lights system
• J12
• J12 g
• J13
• J13 h
• J14 g
• J15 g
• J16 c
• J17 c
• Junction connector (behind upper center of dash)
• Junction connector 12, junction connector 13 (behind upper center of dash)
• Junction connector 14, junction connector 15 (behind upper center of dash)
• Junction connector 16, junction connector 17 (behind upper center of dash)
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b2 fuse 7.5a
• Mpx-ig fuse 7.5a
• Mtx+
• Mtx-
• P-acc fuse 7.5a
• P-ig fuse 7.5a
• Passenger side j/b (at right kick panel)
• Pnk
• Prs
• Ps+b
• Ps1
• Ps2
• Ps3
• Ps4
• Padn
• Pagnd
• Paup
• Radio & player
• Rdfgr
• Red
• Rtx+
• Rtx-
• S28
• S29
• S5-2
• S5-4
• Sol+
• Sol-
• Solenoid (on right side of engine)
• Stereo component amplifier (on right side of luggage compt, behind trim)
• Stereo component tuner (on lower right side of luggage compt)
• Tamo
• Tamout
• Temp switch (driver)
• Tsdr
• Tsl
• Tspa
• Tsr
• Tsrr
• Tx+
• Tx-
• Txs+
• Txs-
• W/ navigation
• W/o navigation

Automatic A/C Wiring Diagram, Front (2 of 2) for Lexus LS 430 2003

List of elements for Automatic A/C Wiring Diagram, Front (2 of 2) for Lexus LS 430 2003:

• (at left radiator side support) ec
• (near ecm, in protective case) junction connector 1
• +b1
• A/c ambient
• A/c comp relay
• A/c control assembly (behind right side of dash)
• A/c evaporative temperature sensor
• A/c ig fuse 7.5a
• A/c magnetic clutch & lock sensor (on right side of engine)
• A/c room temperature sensor (behind left center of dash)
• A13
• Abodr
• Abopa
• Absdr
• Abspa
• Acmg
• Aif
• Air
• Air inlet control servo motor
• Air mix control servo motor (driver)
• Air mix control servo motor (passenger)
• Air vent mode control servo motor (driver)
• Air vent mode control servo motor (passenger)
• Amdb
• Amdr1
• Amdr2
• Amdr3
• Amdr4
• Ampb
• Ampa1
• Ampa2
• Ampa3
• Ampa4
• Aodb
• Aodr1
• Aodr2
• Aodr3
• Aodr4
• Aopb
• Aopa1
• Aopa2
• Aopa3
• Aopa4
• C-gnd
• Computer data lines system
• Cool air bypass servo motor (driver)
• Cool air bypass servo motor (passenger)
• Cooling fan ecu (on front center of engine compt, on radiator support)
• D-sig
• Duct sensor (driver) (behind upper left side of dash)
• Duct sensor (passenger) (behind upper right side of dash)
• Ed (at top left of firewall)
• Ef (at left side of cylinder head)
• Engine control module (on left front of engine compt, in protective case)
• Engine room 1 j/b (on left front of engine compt, behind headlight)
• Etam
• Exhaust gas sensor (on right side of engine, on exhaust system)
• Fan fuse 50a
• Fan relay
• Fr ig fuse 7.5a
• Frs
• Fusible link block (on right rear of engine compt)
• Gnd
• Hot at all times
• Hot in on or start
• Jinction connector (below engine room 1 j/b & engine room 1 r/b)
• Junction connector 3 (near engine control module, in protective case)
• Junction connector 4 (near engine control module, in protective case)
• Junction connector 7 (below engine room 1 j/b c & engine room 1 r/b)
• Lcki
• Magnetic field sensor (w/ compass) (behind center of dash)
• Mopen
• Mpx1
• Mpx2
• Mshut
• Nca
• Nox
• Open
• Pnk
• Rec
• Red
• Rfc
• S5-3
• S5-5
• Sg-1
• Sg-2
• Sg-3
• Sg-4
• Sg-5
• Sg-7
• Shield
• Short connector s1, s2
• Shut
• Tam
• Tel1
• Telephone transceiver & speaker relay (w/ lexus link system: on right side of luggage compt) (w/o lexus link system: on left side of luggage compt)
• Telin
• Temperature sensor (behind left side of bumper fascia)
• Tfacedr
• Tfacepa
• Tpbdr
• Tpbpa
• Tpi
• Vmid
• Water valve servo motor
• Wvig
• Wvo
• Wvs

Automatic A/C Wiring Diagram, Rear for Lexus LS 430 2003

List of elements for Automatic A/C Wiring Diagram, Rear for Lexus LS 430 2003:

• (+)
• (-)
• (at left rear quarterpanel)
• (at right kick panel) passenger side j/b
• (in dash harness, behind passenger's side air bag)
• (w/ cooler) rear magnetic valve
• A/c control assembly (behind right side of dash)
• A/c fuse 7.5a
• A/c solar sensor (rear) (near center of rear speaker shelf, at base of rear window)
• A11
• A12
• Acc
• Atx+
• Atx-
• Audio & rear a/c control switch
• Auto
• C11
• Combination meter
• Computer data lines system
• Cool box illum
• Dio
• Dome fuse 10a
• Driver side j/b (at left kick panel)
• E13
• E16
• E17
• Exo
• F j15
• F11
• F12
• F13
• F15
• Frs
• Fusible link block (on right rear of engine compt)
• G j13
• Gateway ecu (behind left end of dash)
• Gauge fuse 7.5a
• Gnd
• Gtx+
• Gtx-
• H j14
• Heater control switch (center cluster integration panel) (w/o navigation)
• Heater control switch (multi-display) (w/ navigation)
• Hic
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ig+
• Ii (at right side of shift lever)
• J12
• J12 g
• J13
• J13 h
• J16 c
• J17
• Junction connector 10 (behind upper center of dash)
• Junction connector 12, junction connector 13 (behind upper center of dash)
• Junction connector 14, junction connector 15 (behind upper center g
• Junction connector 16, junction connector 17 (behind upper center of dash)
• Junction connector 23 (rearward of left rear fenderwell)
• L14
• Lug j/b fuse 50a
• Luggage room j/b (on left side of luggage compt)
• Luggage room j/b ecu
• Mpi1
• Mpi2
• Mpl1
• Mpx+
• Mpx-
• Mpx-b
• Mpx-b2 fuse 7.5a
• Mpx-b3 fuse 7.5a
• Mpx-ig
• Mpx-ig fuse 7.5a
• Mtx+
• Mtx-
• Of dash)
• P-acc fuse 7.5a
• P-gnd
• P-ig fuse 7.5a
• Passenger side j/b (at right kick panel)
• R-b
• Radio & player
• Rauto
• Rdo
• Rear a/c amplifier
• Rear a/c unit (on left side of luggage compt)
• Rear blower motor
• Rear blower resistor
• Rear damper servo motor
• Red
• Rfr
• Rhi
• Rhr
• Rlo
• Rmgv
• Rr a/c fuse 7.5a
• Rr ecu-b fuse 7.5a
• Rso
• Rtx+
• Rtx-
• S28
• S29
• S5-4
• Sfrs
• Smok
• Smoke sensor
• Stereo component amplifier (on right side of luggage compt, behind trim)
• Stereo component tuner (on lower right side of luggage compt)
• Tsrr
• Tx+
• Tx-
• Txs+
• Txs-
• W/ cooler
• W/ nav
• W/ navigation
• W/o cooler
• W/o nav
• W/o navigation