AIR CONDITIONING — Lexus GS 450h 2009 — SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Lexus GS 450h 2009

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Lexus GS 450h 2009:

68

• (under lower right side of dash) blower motor
• A/c amplifier (behind right side of dash)
• A/c fuse 7.5a
• A/c pressure sensor (left front of engine compt)
• A/c room temperature sensor (under center of dash)
• A/c w/p fuse 7.5a
• A10
• A11
• A27
• A4 (right rear of engine compt)
• Automatic light control sensor (under upper center of dash)
• B1 (right front of engine compt)
• Bllh
• Blrh
• Blw
• Computer data lines system
• D14
• D15
• Defogger system
• Dgs
• Dgs1
• Ecu-ig rh fuse 10a
• Engine coolant temperature sensor (top right side of engine)
• Engine room j/b 1 (left side of engine compt)
• Fdef
• G11
• G15
• Gnd
• Heater fuse 50a
• Hot at all times
• Hot in on or start
• Ig+
• J/c a10 & a11 (left side of engine compt)
• K1 (behind left kick panel)
• K2 (under left side of floor console)
• K51
• K52
• Left center j/b (behind right side of dash)
• Left cowl side j/b (behind left end of dash)
• Lh-ig fuse 10a
• Lout
• Mpx+
• Mpx-
• Pnk
• Pre
• Red
• Right center j/b (behind right side of dash)
• Right cowl side j/b (behind right end of dash)
• Rout
• S5-1
• S5-2
• S5-4
• Seat heater switch
• Seats system
• Sg-1
• Sg-2
• Sg-4
• Sg-6
• Smog ventilation sensor (right front of engine compt)
• Solar sensor
• Svs5
• Svsg
• Sw 4
• Sw 5
• Tsd
• Tsl
• Tsp
• Tsr

Automatic A/C Wiring Diagram (2 of 2) for Lexus GS 450h 2009

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Lexus GS 450h 2009:

66

• (left front of engine compt) cooling fan ecu
• (left rear of engine) e1
• (left side of engine compt) engine control module
• (left side of engine compt) hybrid vehicle control ecu
• (right front of engine compt) water pump motor (a/c)
• +b1
• A/c amplifier (behind right side of dash)
• A/c blower assembly (behind right side of dash)
• A/c evaporator temperature sensor
• A/c w/p relay
• A10
• A11
• A4 (right rear of engine compt)
• A53
• A54
• Acpb
• Acpe
• Ambient temperature sensor (behind left side of front fascia)
• B1 (right front of engine compt)
• Bbus
• Bus
• Busg
• Can+
• Can-
• Canh
• Canl
• Clk
• Compressor motor (left front of engine)
• Computer data lines system
• Damper servo motor (air inlet)
• Damper servo motor (air mix driver side)
• Damper servo motor (air mix front passenger side)
• Damper servo motor (air vent mode)
• Damper servo motor (cool air bypass)
• Dim
• Dout
• E10
• E83
• E84
• E85
• Engine room j/b 1 (left side of engine compt)
• Engine room r/b 1 (left side of engine compt)
• Eti
• Fan main relay
• Gnd
• Hot at all times
• Ig1
• Inverter (right rear corner of engine compt)
• Ite
• J/c a10 & a11 (left side of engine compt)
• J/c a50 (left side of engine compt)
• J/c a8 & e10 (left side of engine compt)
• Main fan motor
• Rad fan fuse 60a
• Red
• Rfc
• Sg-10
• Smart connector housing color (black)
• Smart connector housing color (green)
• Smart connector housing color (natural)
• Smart connector housing color (red)
• Stb
• Stbi
• Sub fan motor
• Tam
• Thw