AIR CONDITIONING – Toyota Highlander Hybrid Limited 2006 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for Automatic A/C Wiring Diagram, Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006:

• A/c control assembly
• A/c room sensor
• A/c room temperature sensor & humidity sensor (near middle of dash)
• A/c solar sensor (top left side of dash)
• A10
• A11
• A13
• A17
• A28
• A29
• Acc
• Aif
• Air
• Air bag sensor assembly (below front of center console)
• Air inlet control servo motor (behind upper center of dash)
• Air mix control servo motor (behind center of dash)
• Air vent mode control servo motor (behind left center of dash)
• Amc
• Amh
• Aod
• Aof
• Blower motor (behind right side of dash)
• Blower motor control
• Blw
• Ca1h
• Ca1l
• Clk
• Computer data lines system
• Control panel
• Dim
• Dpd
• Ecu-b 1 fuse 7.5a
• Evaporator temperature sensor (behind right side of dash)
• F13
• Fusible link block (on left side of engine compt)
• G10
• Gateway ecu (behind right side of dash)
• Gnd
• Haz
• Heater fuse 10a
• Heater fuse 50a
• Heater relay
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I11
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ill+
• Ill-
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/b 3 (behind center of dash)
• J/c 2 (behind left headlight)
• J/c 30 (behind right side of dash)
• J/c 31 & 32 (behind right side of dash)
• J/c 5 (left side of dash, behind instrument cluster)
• J31
• J32
• K13
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Mr/f
• Pnk
• R/b 3 (left side of engine compt)
• Rad 2 fuse 7.5a
• Red
• S30
• S31
• S5-1
• S5-4
• S5-b
• Sg-1
• Sg-3
• Sg-4
• Short connector (behind left side of dash)
• Stx
• Swd
• Telltale light assembly
• Tpo
• W/ humidity sensor
• W/o humidity sensor

Automatic A/C Wiring Diagram, Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for Automatic A/C Wiring Diagram, Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006:

• (behind left side of dash) j/c 17
• (front of engine compt) em
• (left side of engine compt) water pump motor (a/c)
• (on left side of engine compt) engine room j/b
• A/c ambient temperature sensor (on front center of grill)
• A/c w/p relay
• B10
• Body ecu (behind right side of dash)
• C11
• C12
• C21
• C22
• Can h
• Can l
• Clk
• Combination meter
• Compressor motor (right front of engine compt)
• Computer data lines system
• Dual
• Eg (left front of engine compt)
• Ej (on engine)
• El (front of engine compt)
• Engine coolant temperature sensor (on front center of engine)
• Et1
• Fusible link block (on left side of engine compt)
• Gnd
• H10
• H13
• H15
• H16
• H17
• Hot at all times
• Hybrid vehicle control ecu (behind right side of dash)
• I24
• Inverter (left side of engine compt)
• Ite
• J/b 3 (behind center of dash)
• J/b 4 (at right kick panel)
• J/c 2 (behind left headlight)
• J/c 25 (right front of engine compt)
• J/c 26 (upper left kick panel)
• J/c 35 (behind right side of dash)
• J/c 36 (right kick panel)
• J12
• Left cooling fan ecu (front of engine compt)
• Mode monitor terminal
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Nca
• Pbat
• Pgnd
• Pnk
• Power window master switch with ecu (in driver's door)
• Pr2
• Pressure switch (right side of engine compt)
• R/b 2 (left side of engine compt)
• R/b 3 (left side of engine compt)
• Rdi fan 1 fuse 40a
• Rdi fan 1 relay
• Rdi fan 2 fuse 40a
• Rdi fan 2 relay
• Red
• Rfc1
• Rfc2
• Right cooling fan ecu (front of engine compt)
• S28
• S29
• Short connector (behind right side of dash)
• Single
• Stb
• Tam
• Thw
• Toecu
• Toinv
• Water pump fuse 10a

Manual A/C Wiring Diagram, Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for Manual A/C Wiring Diagram, Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006:

• A/c control assembly
• A/c room temperature sensor (near middle of dash)
• A10
• A11
• A13
• A17
• Acc
• Aif
• Air
• Air bag sensor assembly (below front of center console)
• Air inlet control servo motor (behind upper center of dash)
• Air mix control servo motor (behind center of dash)
• Air vent mode control servo motor (behind left center of dash)
• Amc
• Amh
• Aod
• Aof
• Blower control switch
• Blower motor (behind right side of dash)
• Blower resistor (behind right side of dash)
• Ca1h
• Ca1l
• Clk
• Computer data lines system
• Control panel
• Dim
• Dpd
• Ecu-b 1 fuse 7.5a
• Evaporator temperature sensor (behind right side of dash)
• F13
• Fusible link block (on left side of engine compartment)
• G10
• Gateway ecu (behind right side of dash)
• Gnd
• Haz
• Heater fuse 10a
• Heater fuse 50a
• Heater relay (on r/b 3)
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I11
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ill+
• Ill-
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/b 3 (behind center of dash)
• J/c 2 (behind left headlight)
• J/c 30 (behind right side of dash)
• J/c 31 & 32 (behind right side of dash)
• J/c 5 (left side of dash, behind instrument cluster)
• J10
• J31
• J32
• K13
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Mr/f
• Pnk
• Rad 2 fuse 7.5a
• Red
• S30
• S31
• S5-1
• S5-4
• Sg-1
• Sg-3
• Sg-4
• Short connector (behind left side of dash)
• Stx
• Swd
• Telltale light assembly
• Test
• Tpo

Manual A/C Wiring Diagram, Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for Manual A/C Wiring Diagram, Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006:

• (behind left side of dash) j/c 17
• (front of engine compt) el
• (left side of engine compt) water pump motor (a/c)
• (on left side of engine compt) engine room j/b
• A/c ambient temperature sensor (on front center of grill)
• A/c w/p relay
• B10
• Body ecu (behind right side of dash)
• C11
• C12
• C21
• C22
• Can h
• Can l
• Clk
• Combination meter
• Compressor motor (right front of engine compt)
• Computer data lines system
• Dual
• Eg (left front of engine compt)
• Ej (on engine)
• Em (front of engine compt)
• Engine coolant temperature sensor (on front center of engine)
• Et1
• Fusible link block (on left side of engine compt)
• Gnd
• H10
• H13
• H15
• H16
• H17
• Hot at all times
• Hybrid vehicle control ecu (behind right side of dash)
• I24
• Inverter (left side of engine compt)
• Ite
• J/b 3 (behind center of dash)
• J/b 4 (at right kick panel)
• J/c 2 (behind left headlight)
• J/c 25 (right front of engine compt)
• J/c 26 (upper left kick panel)
• J/c 35 (behind right side of dash)
• J/c 36 (right kick panel)
• J12
• Left cooling fan ecu (front of engine compt)
• Mode monitor terminal
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Nca
• Pbat
• Pgnd
• Pnk
• Power window master switch with ecu (in driver's door)
• Pr2
• Pressure switch (right side of engine compt)
• R/b 2 (left side of engine compt)
• R/b 3 (left side of engine compt)
• Rdi fan 1 fuse 40a
• Rdi fan 1 relay
• Rdi fan 2 fuse 40a
• Rdi fan 2 relay
• Rec2
• Red
• Rfc1
• Right cooling fan ecu (front of engine compt)
• S28
• S29
• Short connector (behind right side of dash)
• Single
• Stb
• Tam
• Thw
• Toecu
• Toinv
• Water pump fuse 10a

2.4L

2.4L, Manual A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for 2.4L, Manual A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006:

• (in dash harness, at right side of dash)
• (in dash harness, at right side of dash) i6
• (in dash harness, behind center of dash)
• A/c control assembly (behind center of dash)
• A10
• A11
• A13
• A17
• Acc
• Aif
• Air
• Air bag sensor assembly (below front of center console)
• Air inlet control servo motor (behind upper center of dash)
• Air mix control servo motor (behind center of dash)
• Air vent mode control servo motor (behind left center of dash)
• Amc
• Amh
• Aod
• Aof
• Blower control switch
• Blower motor (behind right side of dash)
• Blower resistor (behind right side of dash)
• Center j/b (behind upper center of dash)
• Clk
• Control panel
• Dim
• Dpd
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• Evaporator temperature sensor (behind right side of dash)
• F13
• Fusible link block (on left side of engine compartment)
• G10
• Gateway ecu (behind right side of dash)
• Gnd
• Haz
• Heater fuse 10a
• Heater fuse 50a
• Heater relay (right of instrument panel j/b)
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I11
• I13
• I14
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig+
• Ill+
• Ill-
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J10
• Junction connector 5 (left side of dash, behind instrument cluster)
• K13
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Mr/f
• Passenger side j/b (behind right side of dash)
• Pnk
• Radio 2 fuse 7.5a
• Red
• S30
• S31
• S5-1
• Sg-1
• Short connector (behind left side of dash)
• Ss-4
• Stx
• Swd
• Telltale light assembly
• Test
• Tpo
• W/ navigation
• W/o navigation

2.4L, Manual A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for 2.4L, Manual A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006:

• (at rear of engine)
• (in engine compt harness, at left front of engine compt)
• (on left rear of engine) engine coolant temperature sensor
• (under left headlight) eg
• A/c magnetic clutch & lock sensor (on a/c comp- resistor)
• A/c triple pressure switch (on right front of engine compartment)
• Acmg
• B10
• Body ecu (behind right side of dash)
• C11
• C12
• Cds fuse 30a
• Center j/b (behind upper center of dash)
• Combination meter
• Condenser fan motor (behind radiator)
• Dual
• Ee (at intake side of cylinder block)
• Engine control module (behind right side of dash)
• Engine room j/b (on left side of engine compartment)
• Engine room r/b (on left side of engine compartment)
• Fan
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Fusible link block (on left side of engine compartment)
• Hot at all times
• J/c 2 (behind left headlight)
• J12
• Junction connector 2 (behind left headlight)
• Junction connector 7 (behind right side of dash)
• Lck1
• Mg clt relay
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Passenger side j/b (behind right side of dash)
• Power window master switch with ecu (in driver's door)
• Pre
• Radiator fan motor (behind radiator)
• Rdi fuse 30a
• Single
• Thw

3.3L

3.3L, Automatic A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for 3.3L, Automatic A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006:

• (in dash harness, at right side of dash) i12
• (in dash harness, behind center of dash)
• A/c ambient temperature sensor (on front center of grille)
• A/c control assembly (behind center of dash)
• A/c solar sensor (on upper left side of dash)
• A10
• A11
• A13
• A17
• Acc
• Aif
• Air
• Air bag sensor assembly (below front of center console)
• Air inlet control servo motor (behind upper center of dash)
• Air mix control servo motor (behind center of dash)
• Air vent mode control servo motor (behind left center of dash)
• Amc
• Amh
• Aod
• Aof
• Blower motor (behind right side of dash)
• Blower motor controller
• Blw
• Center j/b (behind upper center of dash)
• Clk
• Control panel
• Dim
• Dpd
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• Evaporator temperature sensor (behind right side of dash)
• F13
• Fusible link block (on left side of engine compartment)
• G10
• Gateway ecu (behind right side of dash)
• Gnd
• Haz
• Heater fuse 10a
• Heater fuse 50a
• Heater relay (right of instrument panel j/b)
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I11
• I14
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig+
• Ill+
• Ill-
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J12
• Junction connector 5 (left side of dash, behind instrument cluster)
• K13
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Mr/f
• Passenger side j/b (behind right side of dash)
• Pnk
• Radio 2 fuse 7.5a
• Red
• Room temperature sensor (behind center of dash)
• S30
• S31
• S5-1
• S5-3
• S5-4
• Sg-1
• Sg-3
• Sg-4
• Short connector (behind left side of dash)
• Stx
• Swd
• Telltale light assembly
• Tpo
• W/ navigation
• W/o navigation

3.3L, Automatic A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for 3.3L, Automatic A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006:

• (behind left headlight) j/c 2
• (in engine compt harness, at left front of engine compt)
• A/c magnetic clutch & lock sensor (on a/c comp- ressor)
• A/c triple pressure switch (on right front of engine compt)
• Acmg
• B10
• Body ecu (behind right side of dash)
• C11
• C12
• Cds fuse 30a
• Combination meter
• Condenser fan motor (behind radiator)
• Diode (cooling fan) (behind left side of dash)
• Dual
• Ed (on top of engine)
• Eg (under left headlight)
• Engine control module (behind right side of dash)
• Engine controls system
• Engine coolant temperature sensor (on front center of engine)
• Engine room j/b (on left side of engine compartment)
• Engine room r/b (on left side of engine compartment)
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Fusible link block (on left side of engine compartment)
• Hot at all times
• Junction connector 2 (behind left headlight)
• Junction connector 4 (on right side of engine compt)
• Junction connector 7 (behind right side of dash)
• Lck1
• Mg clt relay
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Passenger side j/b (behind right side of dash)
• Power window master switch with ecu (in driver's door)
• Radiator fan motor (behind radiator)
• Rdi fuse 30a
• S28
• S29
• Short connector (behind right side of dash)
• Single
• Tam
• Thw
• Water temperature switch 1 (at right front of engine compartment, behind grille)
• Water temperature switch 2 (on rear center of engine)

3.3L, Manual A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for 3.3L, Manual A/C Wiring Diagram, Except Hybrid (1 of 2) for Toyota Highlander Hybrid Limited 2006:

• (in dash harness, at right side of dash)
• (in dash harness, at right side of dash) i6
• (in dash harness, behind center of dash)
• A/c control assembly (behind center of dash)
• A10
• A11
• A13
• A17
• Acc
• Aif
• Air
• Air bag sensor assembly (below front of center console)
• Air inlet control servo motor (behind upper center of dash)
• Air mix control servo motor (behind center of dash)
• Air vent mode control servo motor (behind left center of dash)
• Amc
• Amh
• Aod
• Aof
• Blower control switch
• Blower motor (behind right side of dash)
• Blower resistor (behind right side of dash)
• Center j/b (behind upper center of dash)
• Clk
• Control panel
• Dim
• Dpd
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• Evaporator temperature sensor (behind right side of dash)
• F13
• Fusible link block (on left side of engine compartment)
• G10
• Gateway ecu (behind right side of dash)
• Gnd
• Haz
• Heater fuse 10a
• Heater fuse 50a
• Heater relay (right of instrument panel j/b)
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I11
• I13
• I14
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig+
• Ill+
• Ill-
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J10
• Junction connector 5 (left side of dash, behind instrument cluster)
• K13
• Mpx+
• Mpx-
• Mr/f
• Passenger side j/b (behind right side of dash)
• Pnk
• Radio 2 fuse 7.5a
• Red
• S30
• S31
• S5-1
• Sg-1
• Sg-4
• Short connector (behind left side of dash)
• Ss-4
• Stx
• Swd
• Telltale light assembly
• Test
• Tpo
• W/ navigation
• W/o navigation

3.3L, Manual A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006

List of elements for 3.3L, Manual A/C Wiring Diagram, Except Hybrid (2 of 2) for Toyota Highlander Hybrid Limited 2006:

• (in engine compt harness, at left front of engine compt)
• A/c magnetic clutch & lock sensor (on a/c comp- ressor)
• A/c triple pressure switch (on right front of engine compartment)
• Acmg
• B10
• Body ecu (behind right side of dash)
• C11
• C12
• Cds fuse 30a
• Center j/b (behind upper center of dash)
• Combination meter
• Condenser fan motor (behind radiator)
• Diode (cooling fan) (behind left side of dash)
• Dual
• Ed (on top of engine)
• Eg (under left headlight)
• Engine control module (behind right side of dash)
• Engine controls system
• Engine coolant temperature sensor (on front center of engine)
• Engine room j/b (on left side of engine compartment)
• Engine room r/b (on left side of engine compartment)
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Fusible link block (on left side of engine compartment)
• Hot at all times
• J/c 2 (behind left headlight)
• J12
• Junction connector 2 (behind left headlight)
• Junction connector 4 (on right side of engine compt)
• Junction connector 7 (behind right side of dash)
• Lck1
• Mg clt relay
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Passenger side j/b (behind right side of dash)
• Power window master switch with ecu (in driver's door)
• Pre
• Radiator fan motor (behind radiator)
• Rdi fuse 30a
• S28
• S29
• Short connector (behind right side of dash)
• Single
• Thw
• Water temperature switch 1 (at right front of engine compt, behind grille)
• Water temperature switch 2 (on rear center of engine)