AIR CONDITIONING – Lexus HS 250h 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Lexus HS 250h 2012

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus HS 250h 2012:

• (in front of radiator) cooler (ambient temperature sensor) thermistor
• (right rear of engine compt) a/c pressure sensor
• A/c amplifier assembly (center of dash)
• A/c fuse 10a
• A53
• Af2
• Af3
• Blw
• C29
• Canh
• Canl
• Combination switch assembly
• Computer data lines system
• Cooler (room temperature sensor) thermistor
• Defogger system
• Eco mode switch
• Econ
• Ecu-b3 fuse 10a
• Engine room r/b (left side of engine compt)
• F3 (right side of dash)
• F47
• Fg1
• Fz1
• Gnd
• Hot at all times
• Hot w/ ig1 1 relay energized
• Hrly
• Ig+
• Instrument panel j/b (left side of dash)
• Ion generator assembly (left side of dash)
• J/b f95 (center of dash)
• J/c f94 (left side of dash)
• J/c f99 (right side of dash)
• Light control sensor (upper right side of dash)
• Lin1
• Pcd1
• Pcd2
• Pnk
• Red
• S5-3
• S5-4
• Sg-1
• Sg-2
• Sg-4
• Sg-7
• Sw 2
• Swr1
• Swr2
• Tam
• Tsd
• Tsl
• Tsp
• Tsr

Automatic A/C Wiring Diagram (2 of 3) for Lexus HS 250h 2012

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus HS 250h 2012:

• (center of dash) cooler blower assembly
• +b1
• A/c inverter compressor assembly (right front of engine compt)
• A/c w/p relay
• A1 (left front of engine compt)
• A2 (left front of engine compt)
• A58
• Acpb
• Acpe
• Af7
• C1 (upper rear of engine)
• C26
• C28
• Ca1
• Canh
• Canl
• Clk
• Computer data lines system
• Cooling fan ecu (front of engine compt)
• Cooling fan motor 1 (front center of engine compt)
• Cooling fan motor 2 (front center of engine compt)
• Din
• Dout
• E.f.i. engine coolant temperature sensor (rear of cylinder head)
• Engine room r/b (left side of engine compt)
• Ethw
• Eti
• F3 (right side of dash)
• Fan relay
• Gnd
• Hot at all times
• Htr fuse 50a
• Hybrid vehicle control ecu (left side of engine compt)
• Ig1
• Inverter assembly w/ converter (left front of engine compt)
• Ite
• J/c a50 (left side of dash)
• M+(m)
• M+(s)
• M-(m)
• M-(s)
• Pnk
• Rdi fuse 40a
• Red
• Rfc1
• Stb
• Stbi
• Thw
• Z29
• Z30

Automatic A/C Wiring Diagram (3 of 3) for Lexus HS 250h 2012

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus HS 250h 2012:

• (left rear of engine compt) heater water pump assembly
• (left side of dash) diode (water pump)
• (w/o navigation) multi- display
• A/c 2 fuse 10a
• A/c amplifier assembly (center of dash)
• A/c blower assembly (lower center of dash)
• A/c evaporator temperature sensor
• A3 (right front of engine compt)
• A5 (left side of engine compt)
• A56
• B bus
• Blower motor control
• Blwh
• Bus
• Bus g
• C26
• Connector housing color (black)
• Connector housing color (green)
• Connector housing color (red)
• Damper servo motor (fresh/recirculation)
• Damper servo motor (mode control)
• Damper servo motor left (air mix)
• Damper servo motor right (air mix)
• Ecu-ig 2 fuse 10a
• F3 (right side of dash)
• F48
• F73
• Gnd
• Hot all all times
• Hot w/ ig1 1 relay energized
• Instrument panel j/b (left side of dash)
• J/c f99 (right side of dash)
• Plsm
• Pre
• Ra/c
• Rear cooler switch
• Red
• Rlin
• Sga
• Swe
• Tea