AIR CONDITIONING – Toyota Highlander LE 2014 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

A/C Wiring Diagram, Except Hybrid (1 of 3) for Toyota Highlander LE 2014

List of elements for A/C Wiring Diagram, Except Hybrid (1 of 3) for Toyota Highlander LE 2014:

• 3.5l
• A/c amplifier (behind right side of dash)
• A/c control assembly
• A/c control assembly 2
• A/c fuse 5a
• A/c unit (a/c harness assembly)
• A18
• A19
• A20
• A50
• A53
• Af2
• Af4
• B bus
• Blw
• Bus
• Bus g
• Canh
• Canl
• Com
• Computer data lines system
• Connector housing color (black)
• Connector housing color (green)
• Connector housing color (red)
• D15
• Damper servo motor (air inlet)
• Damper servo motor (air mix left)
• Damper servo motor (air mix right)
• Damper servo motor (mode control)
• Defogger system
• Ece-ig fuse 10a
• F11
• F14
• F18
• F80
• Fa (left side of dash)
• Fa2
• Fb (under front of center console)
• Fdef
• Fdfi
• Gnd
• Haz
• Hot at all times
• Hot in on or start
• Ig+
• Ig1 1 fuse 5a
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• Lin1
• Lock
• Meter fuse 5a
• Mgc
• Pnk
• Pre
• Ptc1
• Ptc2
• Ptc3
• Rdef
• Red
• Rlin
• Rly
• S5-3
• Seats system
• Sg-2
• Sg-4
• Sga
• Sol+
• Tam
• Tea
• Thermistor
• Uf1

A/C Wiring Diagram, Except Hybrid (2 of 3) for Toyota Highlander LE 2014

List of elements for A/C Wiring Diagram, Except Hybrid (2 of 3) for Toyota Highlander LE 2014:

• (in hvac unit) quick heater assembly
• (right side of engine compt) engine room r/b 2
• 3.5l
• A/c pressure sensor (right front engine compt)
• Ac (left front corner of engine compt)
• Acop
• Acos
• Af5
• Automatic light control sensor (under top center of dash)
• C12
• C16
• Ca2
• Cltb
• Clte
• Clts
• Compressor w/ pulley assembly (left front of engine)
• D11
• D12
• D14
• Defs
• Engine room j/b (3.5l) (left side of engine compt)
• Engine room r/b 1 (left side of engine compt)
• F36
• F37
• Fa3
• Fc (right kick panel)
• Ff (center of dash)
• Front blower w/ fan motor (under right side of dash)
• Gf1
• Gnd
• Ground j/c 2 (left front corner of engine compt)
• Hot at all times
• Htr fuse 50a
• Ign
• Mg+
• Outside temperature sensor (thermistor assembly) (behind center of front bumper)
• Pnk
• Ptc htr 1 fuse 50a
• Ptc htr 1 relay
• Ptc htr 2 fuse 30a
• Ptc htr 2 relay
• Ptc htr 3 fuse 30a
• Ptc htr 3 relay
• Red
• Semiconductor power integration ecu
• Sol+
• Sol-
• Solar sensor
• Ssr+
• Ssr-

A/C Wiring Diagram, Except Hybrid (3 of 3) for Toyota Highlander LE 2014

List of elements for A/C Wiring Diagram, Except Hybrid (3 of 3) for Toyota Highlander LE 2014:

• (behind radiator)
• (behind right quarterpanel)
• (left front of engine compt) ab
• +b1
• +b2
• 2.7l
• 3.5l
• 5v ic
• A/c amplifier (behind right side of dash)
• A43
• Blower motor control
• Blwh
• Can i/f
• Canh
• Canl
• Cltb
• Clte
• Clts
• Combination meter assembly
• Computer
• Computer data lines system
• Connector housing color (brown)
• Connector housing color (gray)
• Cooler (room temperature sensor 2) thermistor (automatic a/c) (right side of cargo area)
• Cooler (room temperature sensor) thermistor (automatic a/c) (left side of dash)
• Cooling fan ecu (front of engine compt)
• Cooling fan motor
• Cooling fan motor 2
• Cpu
• D11
• Damper servo motor (air mix)
• Damper servo motor (air vent mode)
• Data lines
• Defogger system
• Ecm (left side of engine compt)
• Efi engine coolant temperature sensor (rear of engine)
• Engine room r/b 1 (left side of engine compt)
• Ethw
• F19
• F21
• F22
• F24
• F81
• Fan 1 fuse 80a
• Fan 1 relay
• Fc (right kick panel)
• Fd (left center of dash)
• Fe (left kick panel)
• Fl1
• Gnd
• Gnd1
• Gnd2
• Ground j/c 2 (left front corner of engine compt)
• Haz
• Hot at all times
• Hot in on or start
• Ig1 3 fuse 10a
• Instrument panel j/b (behind left end of dash)
• J/c 10 (center of dash)
• La2
• Lb (right rear quarterpanel)
• Main body ecu
• Pnk
• Rbbu
• Rbug
• Rbus
• Rear blower w/ fan motor
• Rear cooling unit (right side of cargo area)
• Red
• Rfc
• Rgnd
• Rlin
• Rr a/c fuse 40a
• S5-2
• Seats
• Seats system
• Sg-6
• Sgnd
• Svdb
• Svds
• Svpb
• Svps
• Sw 1
• System
• Tec
• Thermistor
• Thw

Automatic A/C Wiring Diagram, Hybrid (1 of 4) for Toyota Highlander LE 2014

List of elements for Automatic A/C Wiring Diagram, Hybrid (1 of 4) for Toyota Highlander LE 2014:

• A/c amplifier (behind right side of dash)
• A/c control assembly
• A/c control assembly 2
• A/c fuse 5a
• A/c unit (a/c harness assembly)
• A18
• A19
• A20
• A50
• A53
• Af2
• Af4
• B bus
• Blw
• Bus
• Bus g
• Canh
• Canl
• Com
• Computer data lines system
• Connector housing color (black)
• Connector housing color (green)
• Connector housing color (red)
• D15
• Damper servo motor (air inlet)
• Damper servo motor (air mix left)
• Damper servo motor (air mix right)
• Damper servo motor (mode control)
• Defogger system
• Eco mode
• Econ
• Ecu-ig fuse 10a
• F11
• F13
• F14
• F18
• F19
• F80
• Fa (left side of dash)
• Fb (under front of center console)
• Fdef
• Fdfi
• Gnd
• Haz
• Heater switch assembly
• Hot at all times
• Hot w/ ig1 2 relay energized
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Idh
• Ig+
• Ig1 1 fuse 5a
• Ig1 3 fuse 10a
• Ill+
• Ill-
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• Lin1
• Meter fuse 5a
• Pnk
• Pre
• Ptc1
• Ptc2
• Ptc3
• Rdef
• Red
• Rlin
• Rly
• S5-3
• S5-4
• Seats system
• Sg-2
• Sg-4
• Sg-5
• Sga
• Shin
• Tam
• Tea
• Tfg
• Thermistor
• Tng
• Uf1

Automatic A/C Wiring Diagram, Hybrid (2 of 4) for Toyota Highlander LE 2014

List of elements for Automatic A/C Wiring Diagram, Hybrid (2 of 4) for Toyota Highlander LE 2014:

• (in hvac unit) quick heater assembly
• (left front of headliner) cooler thermistor 1
• (left rear corner of engine compt) engine room r/b 2
• A/c pressure sensor (right side of engine compt)
• Ab (left front of engine compt)
• Af5
• Cooler (room temperature sensor) thermistor (left side of dash)
• D11
• D14
• Defs
• Engine room j/b 1 (left side of engine compt)
• Engine room r/b 1 (left side of engine compt)
• F36
• F37
• Fa3
• Fc (right kick panel)
• Ff (center of dash)
• Front blower w/ fan motor (under right side of dash)
• Gnd
• Hot at all times
• Htr fuse 50a
• Ign
• Outside temperature sensor (thermistor assembly) (behind center of front bumper)
• Pnk
• Pre
• Ptc htr 1 fuse 50a
• Ptc htr 1 relay
• Ptc htr 2 fuse 30a
• Ptc htr 2 relay
• Ptc htr 3 fuse 30a
• Ptc htr 3 relay
• Red
• S5v
• Seg3
• Semiconductor power integration ecu
• Sf2
• Tfg
• Tng

Automatic A/C Wiring Diagram, Hybrid (3 of 4) for Toyota Highlander LE 2014

List of elements for Automatic A/C Wiring Diagram, Hybrid (3 of 4) for Toyota Highlander LE 2014:

• (behind left end of dash) instrument panel j/b
• (front of engine compt) cooling fan ecu
• (left front of engine compt)
• (left side of engine compt) engine room r/b 3
• +b1
• +b2
• +bwp
• A/c w/ pmp fuse 10a
• A/c w/ pmp relay
• A46
• A60
• A61
• Ab (left front of engine compt)
• Acpb
• Acpe
• Af2
• Automatic light control sensor (under top center of dash)
• C13
• Ca1h
• Ca1l
• Ca2
• Canh
• Canl
• Clk
• Cltb
• Clte
• Clts
• Compressor w/ motor assembly (left front of engine)
• Computer data lines system
• Cooling fan ecu 2
• Cooling fan motor (behind radiator)
• Cooling fan motor 2 (behind readiator)
• D11
• Din
• Diode (heater water pump) (behind left end of dash)
• Dout
• Engine room r/b 1 (left side of engine compt)
• Eti
• F16
• F19
• F24
• Fe (right center of dash)
• Gf1
• Gnd
• Gnd1
• Ground j/c 1 (left front corner of engine compt)
• Ground j/c 2 (left front corner of engine compt)
• Heater water pump assembly (left side of engine compt)
• Hot at all times
• Idh
• Ig1
• Igct relay
• Inv w/ pmp fuse 10a
• Inverter w/ converter assembly (left side of engine compt)
• Inverter water pump w/ motor assembly (left front of engine compt)
• Ite
• Iwp
• Main body ecu
• Mrel
• Nca
• Niwp
• Pnk
• Power management control ecu (left end of dash)
• R/b fuse 3 30a
• Red
• Si2
• Solar sensor
• Stb
• Stbi

Automatic A/C Wiring Diagram, Hybrid (4 of 4) for Toyota Highlander LE 2014

List of elements for Automatic A/C Wiring Diagram, Hybrid (4 of 4) for Toyota Highlander LE 2014:

• (behind right quarterpanel)
• +b2
• 5v ic
• A/c amplifier (behind right side of dash)
• A43
• A78
• Blower motor control
• Blwh
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer
• Computer data lines system
• Connector housing color (brown)
• Connector housing color (gray)
• Cooler (room temperature sensor 2) thermistor (right side of cargo area)
• Cpu
• Damper servo motor (air mix)
• Damper servo motor (air vent mode)
• Data lines
• Defogger system
• Ecm (right side of engine compt)
• Efi engine coolant temperature sensor (rear of engine)
• Engine room j/b 1 (left side of engine compt)
• Engine room r/b 1 (left side of engine compt)
• Ethw
• F21
• F22
• F81
• Fan 1 fuse 50a
• Fan 1 relay
• Fan 2 fuse 50a
• Fan 2 relay
• Fc (right kick panel)
• Fd (left center of dash)
• Fl1
• Gnd
• Gnd2
• Ground j/c 2 (left front corner of engine compt)
• Haz
• Hot at all times
• J/c 10 (center of dash)
• J/c 2 (left side of engine compt)
• L21
• L22
• La2
• Lb (right rear quarter- panel)
• Lb (right rear quarterpanel)
• Noise filter (rear a/c) (right rear of cargo area)
• Pnk
• Rbbu
• Rbug
• Rbus
• Rear blower w/ fan motor
• Rear cooling unit (right side of cargo area)
• Red
• Rfc
• Rgnd
• Rlin
• Rr a/c fuse 40a
• S5-2
• Seats system
• Sg-6
• Sgnd
• Ssr+
• Ssr-
• Ssrg
• Svdb
• Svds
• Svpb
• Svps
• Sw 1
• System
• Tec
• Thermistor
• Thw