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Air Conditioning — Lexus GS 450h 2013 Wiring Diagram

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Lexus GS 450h 2013

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus GS 450h 2013:

(right "c" pillar) j/c t44
+b1
A/c amplifier (center of dash)
A/c fuse 7.5a
A/c pressure sensor (liquid tube sub-assembly) (left front of engine compt)
A/c switch
A41
A44
A60
A61
Accessory meter assembly (w/ navigation) multi-display (w/o navigation)
Ambient temperature sensor (thermistor assembly) (behind left side of front fascia)
Automatic light control sensor (upper right side of dash)
B2 (left front of engine compt)
Ba2
Blw
Canh
Canl
Canl canh tx3+ tx3- n68
Cltb
Clte
Combination switch assembly
Computer data lines system
D30
Dgs
Dgs1
E21
E22
Eco mode switch
Ecos
Engine room j/b 1 (left side of engine compt)
Fdef
Gnd
Hot at all times
Hot w/ lh-ig1 rly1 relay energized
Hot w/ rh-ig1 rly1 relay energized
Hot w/ rr-ig1 rly1 relay energized
Idh
Ig+
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
Lh-ig fuse 10a
Lin1
Lout
Luggage room j/b 1 (left side of luggage compt)
Main body ecu (left end of dash)
Multimedia module receiver assembly
N12
N152
N6 (left center of dash)
N78
N80
Na1
Nain
Nano
No1
Nt2
Pnk
Pre
Ptc1
Ptc2
Rdef
Rear control switch
Rear side a/c switch
Red
Rh-ig fuse 10a
Right cowl side j/b (right end of dash)
Rlin
Room temperature sensor (cooler thermistor) (lower left center of dash)
Rout
Rr ecu-ig fuse 10a
S5-1
S5-3
Seats system
Sg-1
Shd+
Shde
Shp+
Shpe
Smog ventilation sensor (right front of engine compt)
Solar sensor
Tam
Tfal
Tfar
Tn1
Tsd
Tsl
Tsp
Tsr
Tu1
Tx+
Tx-
Tx1+ tx1- tx- tx+ n62
Te1
W/ ion generator 1 sub-assembly
W/ navigation
W/ ptc heater
W/o navigation
Ez1

Automatic A/C Wiring Diagram (2 of 3) for Lexus GS 450h 2013

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus GS 450h 2013:

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

Automatic A/C Wiring Diagram (3 of 3) for Lexus GS 450h 2013

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus GS 450h 2013:

(center of dash) a/c amplifier
(drier side lower air mix) damper servo motor
(left rear of engine compt) a1
(left side of engine compt) j/c a53
(lower center of dash) (w/ ptc heater) quick heater assembly
(rear side air vent mode) damper servo motor
(right end of dash) power management control ecu
(right front of engine compt) engine water pump
(right rear of engine compt) a4
(w/ 3-zone a/c) damper servo motor (front passenger side air vent mode)
A/c evaporator temperature sensor
A/c harness assembly
A/c w/p relay
A1 (left rear of engine compt)
A35
A36
Af1
Af2
B bus
Bus
Bus g
Ca1h
Ca1l
Clk
Compressor w/ motor assembly (left front of engine)
Computer data lines system
Connector housing color (black)
Connector housing color (brown)
Connector housing color (gray)
Connector housing color (green)
Connector housing color (natural)
Connector housing color (red)
Damper servo motor (air inlet)
Damper servo motor (def)
Damper servo motor (drier side air vent mode)
Damper servo motor (drier side upper air mix)
Damper servo motor (front passenger side lower air mix)
Damper servo motor (front passenger side upper air mix)
Damper servo motor (rear side air mix) (w/ 3-zone a/c)
Din
Dout
E12
E13
E17
E18
Engine room j/b 1 (left side of engine compt)
Eti
F16
Gnd
Hot w/ lh-ig1 rly1 relay energized
Ig1
Ite
J/c a53 (left side of engine compt)
Left cowl side j/b (left end of dash)
Lh ecu-ig fuse 10a
N5 (right center of dash)
N76
N77
N92
Na5
Pnk
Red
Sga
Stb
Stbi
Tea

AIR CONDITIONING – Lexus GS 450h 2013 – SYSTEM WIRING DIAGRAMS