AIR CONDITIONING – Toyota Highlander Limited 2010 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Limited 2010

List of elements for A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Limited 2010:

• (behind right side of dash) j/c d53 & e24
• (if equipped) steering pad switch assembly
• A/c 1 fuse 10a
• A/c 2 fuse 10a
• A/c amplifier (behind right side of dash)
• A/c blower (under right side of dash)
• A/c control assembly
• A/c evaporator temperature sensor
• A/c pressure sensor (right front engine compt)
• Adi1
• Alt
• Ambient temperature sensor (behind center of front bumper)
• Auto
• B bus
• Blw
• Bus
• Bus g
• Canh
• Canl
• Computer data lines system
• Connector housing color (black)
• Connector housing color (green)
• Connector housing color (red)
• Cooler compressor (3.5l) (left front of engine)
• D1 (behind right kick panel)
• D12
• D16
• D2 (behind center of dash)
• D3 (behind right side of dash)
• D37
• D53
• 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)
• Defogger system
• E1 (behind left side of dash)
• E24
• Efi main fuse 25a
• Engine room r/b (left side of engine compt)
• F14
• F16
• Fdef
• Flow control valve
• Front blower w/ fan motor (under right side of dash)
• G10
• Gauge fuse 10a
• Gnd
• Hot at all times
• Hot w/ ig1 relay energized
• Htr fuse (tmc made) htr 1 fuse (tmmi made) 50a
• Ig+
• Ill+
• Ill-
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• J/c d53 (behind right side of dash)
• Lin1
• Lock
• Lock sensor
• M17
• Magnetic clutch
• Mgc
• Mgc relay
• Mhtr
• Off
• Pnk
• Pre
• Ptc 1 fuse 50a
• Ptc 2 fuse 30a
• Ptc 3 fuse 30a
• Ptc1
• Ptc2
• Ptc3
• Rdef
• Red
• S5-3
• Seats system
• Sg-2
• Sg-4
• Sga
• Shd+
• Shp+
• Sol+
• Sol-
• Spiral cable assembly (in steering column)
• Starting/ charging system
• Swi
• Tam
• Tea
• Temp+
• Temp-
• Tmc made
• Tmmi made
• Tsd
• Tsp
• W/ pulley compressor assembly (tmmi made)
• W/ rear a/c
• Z17

A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Limited 2010

List of elements for A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Limited 2010:

• (3.5l) efi relay
• (behind center of dash)
• (behind center of dash) (w/ ptc heater) quick heater assembly
• (behind left end of dash) j/c a40
• (behind right quarterpanel) (w/ rear a/c) rear blower w/ fan motor
• (if equipped) ptc htr1 relay
• (if equipped) ptc htr2 relay
• (if equipped) ptc htr3 relay
• (left side of engine compt) engine room j/b
• (left side of engine compt) engine room r/b
• +b1
• +b2
• 2.7l
• 3.5l
• A/c amplifier (behind right side of dash)
• A/c control assembly 2 (w/ rear a/c)
• A/c evaporator temperature sensor
• A/c solar sensor
• A3 (behind left front headlight)
• Automatic light control sensor (w/ automatic a/c) (under top center of dash)
• B51
• Blower motor control (w/ rear a/c)
• Blwh
• Canh
• Canl
• Computer
• Connector housing color (brown)
• Connector housing color (gray)
• Cooling fan ecu (front of engine compt)
• Cooling fan motor (behind radiator)
• Cooling fan motor 2 (behind radiator)
• D3 (behind right side of dash)
• D35
• D36
• D38
• D44
• D45
• D6 (behind center of dash)
• D61
• Damper servo motor (air mix)
• Damper servo motor (air vent mode)
• Data lines
• Defogger system
• E10
• E12
• Ecm (behind right side of dash)
• Efi engine coolant temperature sensor (rear of engine)
• Engine controls system
• Engine room r/b (left side of engine compt)
• Fan main fuse 50a
• Fan main relay
• Fdfi
• Front room temperature sensor (w/ automatic a/c) (behind left side of dash)
• Gnd
• Gnd2
• Hot at all times
• Ig+
• Ill+
• Ill-
• Interior lights system
• J/c d52 (behind right side of dash)
• M+(s)
• M-(s)
• Main fan motor
• Mpx-
• Mrel
• N2 (in right "d" pillar)
• Pnk
• Rbbu
• Rbug
• Rbus
• Rear cooling unit (w/ rear a/c) (at right "d" pillar)
• Rear evaporator sub assembly (w/ rear automatic a/c) (behind right quarterpanel)
• Red
• Rfc
• Rlin
• Rr clr (tmc made) rr clr (tmmi made) fuse 40a
• Seats system
• Sg-6
• Sgnd
• Shdt
• Shpt
• Sub fan motor
• System
• Tec
• Thw
• Tsl
• Tsr
• W/ rear a/c
• Z11
• Z12

A/C Wiring Diagram, Hybrid (1 of 3) for Toyota Highlander Limited 2010

List of elements for A/C Wiring Diagram, Hybrid (1 of 3) for Toyota Highlander Limited 2010:

• (if equipped) steering pad switch assembly
• (right side of dash) j/c d53 & e24
• +bwp
• A/c 2 fuse 10a
• A/c amplifier assembly (right side of dash)
• A/c blower assembly (right side of dash)
• A/c control assembly
• A/c d fuse 10a
• A/c evaporator temperature sensor
• Adi1
• Auto
• B bus
• Blw
• Bus
• Bus g
• Canh
• Canl
• Computer data lines system
• Connector housing color (black)
• Connector housing color (green)
• Connector housing color (red)
• D12
• D16
• D3 (right center of dash)
• D37
• D53
• 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)
• Defogger system
• E1 (left side of dash)
• E24
• Engine room r/b 2 (left side of engine compt)
• F14
• F16
• Fdef
• Fr wip fuse 30a
• G10
• Gauge 1 fuse 10a
• Gnd
• Hot w/ ig1 relay energized
• Ig+
• Ill+
• Ill-
• Instrument panel j/b (left side of dash)
• Interior lights system
• Inv w/p fuse 15a
• Inverter water pump (left front of engine compt)
• J/c a36 (left kick panel)
• J/c a40 (left end of dash)
• J/c d53 (right side of dash)
• Lin1
• Mhtr
• Nwp
• Off
• Pnk
• Pre
• Rdfg
• Red
• S5-3
• S5-4
• Seats system
• Sg-2
• Sg-4
• Sga
• Shd+
• Shd-
• Spiral cable assembly (steering column assembly)
• Sw1
• Swp
• Tam
• Tea
• Temp+
• Temp-
• Tsd
• Tsp
• W/ rear a/c
• Windshield wiper motor (left rear of engine compt)
• Wip
• Z17

A/C Wiring Diagram, Hybrid (2 of 3) for Toyota Highlander Limited 2010

List of elements for A/C Wiring Diagram, Hybrid (2 of 3) for Toyota Highlander Limited 2010:

• (left side of engine compt) heater water pump
• +b1
• A/c 1 fuse 40a
• A/c pressure sensor (right side engine compt)
• A/c solar sensor
• A/c w/p relay
• A3 (left front of engine compt)
• A41
• Am1 fuse 7.5a
• Ambient temperature sensor (front center of grill)
• Automatic light control sensor (w/ automatic a/c) (center of dash)
• B2 (top front of engine)
• B48
• Clk
• Compressor motor assembly (left front of engine)
• Converter inverter assembly (left rear of engine compt)
• Cooling fan ecu 2 (right front of engine compt)
• Cooling fan motor 2 (behind right side of radiator)
• D2 (left center of dash)
• Din
• Dout
• Engine room r/b (left side of engine compt)
• Front blower w/ fan motor (right side dash)
• Front room temperature sensor (left center of dash)
• Gnd
• Hot at all times
• Hot w/ ig1 relay energized
• Htr fuse 50a
• I1 (top of transmission)
• I2 (top of transmission)
• Ig1
• Igct fuse 30a
• Igct relay
• Instrument panel j/b (left side of dash)
• J/c a40 (left end of dash)
• J/c b47 (right side of dash)
• J/c d56 (right side of dash)
• M+(s)
• M-(s)
• M17
• Nca
• Pnk
• Red
• Rr clr fuse 40a
• Si2
• Stbi
• Sub fan motor
• Tsl
• Tsr
• Z12

A/C Wiring Diagram, Hybrid (3 of 3) for Toyota Highlander Limited 2010

List of elements for A/C Wiring Diagram, Hybrid (3 of 3) for Toyota Highlander Limited 2010:

• (right "d" pillar) n2
• (right side of dash) hybrid vehicle control ecu
• (top front of engine) efi engine coolant temperature sensor
• +b1
• +b2
• A/c 2 fuse 10a
• A/c amplifier assembly (right side of dash)
• A/c control assembly 2 (w/ rear a/c)
• A/c evaporator temperature sensor
• A3 (left front of engine compt)
• A43
• Blower motor control (w/ rear a/c)
• Blwh
• Canh
• Canl
• Clk
• Computer data lines system
• Connector housing color (brown)
• Connector housing color (gray)
• Cooling fan ecu (left front of engine compt)
• Cooling fan motor (behind left side of radiator)
• D12
• D3 (right center of dash)
• D35
• D36
• D38
• Damper servo motor (air mix)
• Damper servo motor (air vent mode)
• Defogger system
• E10
• Engine controls system
• Engine room j/b (left side of engine compt)
• Engine room r/b (left side of engine compt)
• Eti
• Fan fuse 50a
• Fan main relay 1
• Fan main relay 2
• Fdfi
• Gnd
• Gnd2
• Hot at all times
• Hot w/ ig1 relay energized
• Ig+
• Ill+
• Ill-
• Instrument panel j/b (left side of dash)
• Interior lights system
• Ite
• Iwp
• J/c a40 (left end of dash)
• J/c d52 (right side of dash)
• M+(s)
• M-(s)
• Main fan motor
• Mpx-
• Mrel
• Niwp
• Pnk
• Rbbu
• Rbug
• Rbus
• Rear blower w/ fan motor (w/ rear a/c) (right quarterpanel)
• Rear cooling unit assembly (w/ rear a/c) (base of right "d" pillar)
• Rear evaporator (w/ rear automatic a/c) (right rear quarterpanel)
• Red
• Rfc1
• Rfc2
• Rlin
• Seats system
• Sg-6
• Sgnd
• Shdt
• Stb
• Tec
• Thw
• W/ rear a/c
• Z11