All Wiring Diagrams for Toyota Highlander 2004 model

AIR CONDITIONING

2.4L

2.4L, Manual A/C Wiring Diagram (1 of 2) for Toyota Highlander 2004

List of elements for 2.4L, Manual A/C Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• (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
• 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)
• 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
• 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 (2 of 2) for Toyota Highlander 2004

List of elements for 2.4L, Manual A/C Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• (2.4l: on left rear of engine) engine coolant temperature sensor
• (in engine compt harness, at left front of engine compt)
• (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 (1 of 2) for Toyota Highlander 2004

List of elements for 3.3L, Automatic A/C Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• (in dash harness, at center of dash)
• (in dash harness, at right side of dash) i12
• 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
• 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-
• 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
• Sg-1
• Sg-3
• 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 (2 of 2) for Toyota Highlander 2004

List of elements for 3.3L, Automatic A/C Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• (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 (3.3l: 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)
• Pre
• 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 (1 of 2) for Toyota Highlander 2004

List of elements for 3.3L, Manual A/C Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• (in dash harness, at center of dash)
• (in dash harness, at right side of dash)
• (in dash harness, at right side of dash) i6
• A/c control assembly (behind center of dash)
• A10
• A11
• A13
• Acc
• Aif
• Air
• 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)
• Airbag sensor assembly (below front of center console)
• 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)
• 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
• 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 (2 of 2) for Toyota Highlander 2004

List of elements for 3.3L, Manual A/C Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• (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
• Eb (at right front fender apron)
• Ed (on top of engine)
• Eg (under left headlight)
• Engine control module (behind right side of dash)
• Engine controls system
• Engine coolant temperature sensor (3.0l: 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
• Single
• Thw
• Water temperature switch 1 (at right front of engine compt, behind grille)
• Water temperature switch 2 (on rear center of engine)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Toyota Highlander 2004

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• (above brake pedal) brake pedal load sensing switch
• (at right dash brace) ib
• (behind right side of dash) engine control module
• (under left headlight) eh
• +bs
• Abs 1 fuse 30a
• Abs 2 fuse 50a
• Abs cut relay
• Abs mtr relay
• Abs r/b (on left rear of engine compt)
• Brl
• Canh
• Canl
• Center j/b (behind upper center of dash)
• Computer data lines system
• Csw
• D/g
• Ea (at right front fender apron)
• Eng+
• Eng-
• F13
• Fl+
• Fl-
• Fr+
• Fr-
• Fsw+
• Fusible link block (on left side of engine compt)
• Gnd1
• Gnd2
• Hot at all times
• Ig1
• Init
• Junction connector 4 (on right side of engine compartment)
• Left front abs speed sensor (at left front wheel)
• Left rear abs speed sensor (on left rear wheel)
• Mrf
• Neo
• Parking brake switch (at base of parking brake pedal)
• Passenger side j/b (behind right side of dash)
• Pkb
• Pnk
• Pressure switch
• Red
• Right front abs speed sensor (at right front wheel)
• Right rear abs speed sensor (on right rear wheel)
• Rl+
• Rl-
• Rr+
• Rr-
• Skid control ecu with actuator (right front of engine compt)
• Sp1
• Stp
• Trac off switch (2wd)
• Trc+
• Trc-
• Vscw
• Wfse

Anti-lock Brakes Wiring Diagram (2 of 2) for Toyota Highlander 2004

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• A11
• Abs ind
• B12
• Batt
• Bb (at right center pillar)
• Bf (at right corner of vehicle)
• Brake ind
• Brake warning switch (on master cylinder assembly)
• C11
• C12
• Canh
• Canl
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• D10
• D11
• Dome fuse 10a
• Ecu-b fuse 7.5a
• Ecu-ig fuse 10a
• Engine room j/b (on left side of engine compt)
• Ess
• G10
• Gnd
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ign fuse 10a
• Ind (2wd)
• Instrument panel j/b (behind left side of dash)
• J/c 19 (at rear of vehicle)
• Junction connector 16 (right kick panel)
• Junction connector 17 (behind left side of dash)
• Junction connector 6 (left side of dash, behind instrument cluster)
• K13
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Slip ind
• Speedometer
• Steering sensor (in steering column)
• Stop fuse 20a
• Stop light switch (above brake pedal)
• Tire air pressure ind
• Trac off
• Vsc ind
• Vsc warning buzzer
• Yaw rate sensor (on rear of vehicle)

ANTI-THEFT

Forced Entry Wiring Diagram for Toyota Highlander 2004

List of elements for Forced Entry Wiring Diagram for Toyota Highlander 2004:

• (in dash harness, at right side of dash) i11
• +b1
• +b2
• B12
• Back door key lock & unlock switch
• Becu
• Body ecu (behind right side of dash)
• Center j/b (behind upper center of dash)
• Computer data lines system
• Cpub
• Dswh
• Ecu-b fuse 7.5a
• Ecu-ig fuse 10a
• Engine hood courtesy switch (on front center of engine compt)
• Engine room j/b (on left side of engine compt)
• F11
• F13
• G10
• Gnd
• Hot at all times
• Hot in on or start
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ind
• Instrument panel j/b (behind left side of dash)
• Iout
• J/c 1 (behind left headlight)
• J/c 14 (on left rear of vehicle)
• J/c 17 (behind left side of dash)
• J/c 6 (left side of dash, behind instrument cluster)
• J11
• Ksw
• Mpx1
• Option connector 2 (behind upper right side of dash)
• Passenger side j/b (behind right side of dash)
• Pnk
• Power window master switch w/ ecu (in driver's door)
• Red
• S+b
• Security fuse 15a
• Sh-
• Theft deterrent ecu (behind right side of dash)
• Theft deterrent horn (on right side of engine compt)
• Theft deterrent indicator light
• Unlock warning switch (in steering column)

Immobilizer Wiring Diagram for Toyota Highlander 2004

List of elements for Immobilizer Wiring Diagram for Toyota Highlander 2004:

• (behind left side of dash) j/c 17
• (left "b" pillar) left front door courtesy switch
• (left side of dash, behind instrument cluster) j/c 6
• A12
• Agnd
• Center j/b (behind upper center of dash)
• Code
• Cty
• Data link connector (dlc) 3 (under left side of dash)
• Ecu-b fuse 7.5a
• Efii
• Efio
• Engine control module (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• F11
• F13
• G10
• Gnd
• Hot at all times
• Hot in on or start
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ign fuse 10a
• Imi
• Imo
• Ind
• Instrument panel j/b (behind left side of dash)
• J/c 16 (right kick panel)
• J/c 6 (left side of dash, behind instrument cluster)
• K11
• Ksw
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sil
• Theft deterrent indicator light
• Transponder key amplifier (in steering column)
• Transponder key computer (behind right side of dash)
• Txct
• Unlock warning switch (in steering column)
• Vc5

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Toyota Highlander 2004

List of elements for Body Control Modules Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• A10
• Acc
• Act+
• Act-
• Actd
• Anti-theft & door locks systems
• B10
• B11
• B12
• Bcty
• Bdr1
• Becu
• Body ecu (behind right side of dash)
• Bzr
• Center j/b (behind upper center of dash)
• Cltb
• Clte
• Clts
• D fr door fuse 25a
• D12
• Dcty
• Dcyl
• Door lock fuse 25a
• Door locks system
• Drl
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• Exterior lights system
• Exterior lights, headlights, interior lights & anti-theft systems
• F13
• Ffgo
• Ffog
• Gnd1
• Gnd2
• H11
• Haz
• Head
• Headlights & anti-theft systems
• Headlights system
• Horn
• Horns system
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Hrly
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Ile
• Instrument panel j/b (behind left side of dash)
• Interior & exterior lights systems
• Interior lights & door locks systems
• Interior lights system
• Interior lights, door locks & anti-theft systems
• J/c 6 (left side of dash, behind instrument cluster)
• K10
• Ksw
• Left front door courtesy light
• Lswa
• Lswp
• Mpx1
• Mpx2
• Navigation system
• Obd2
• P fr door fuse 20a
• Parking brake switch (at base of parking brake pedal)
• Passenger side j/b (behind right side of dash)
• Pbew
• Pcty
• Pcyl
• Pkb
• Pkl
• Pkul
• Pml
• Pmul
• Pnk
• Power windows system
• Prg
• Radio 2 fuse 7.5a
• Rcty
• Rda
• Red
• Right front door courtesy light
• Rld
• Rlu
• Rrd
• Rru
• Snow
• Tail
• Transmissions system
• Trly
• Unlock warning switch (in steering column)

Body Control Modules Wiring Diagram (2 of 2) for Toyota Highlander 2004

List of elements for Body Control Modules Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• A/c control assembly (behind center of dash)
• A10
• A11
• A12
• A17
• Air bag sensor assembly (below front of center console)
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Data link connector (dlc) 3 (under left side of dash)
• E12
• Engine control module (behind right side of dash)
• Gateway ecu (behind right side of dash)
• I8 (in dash harness, at right end of dash)
• Instrument panel j/b (behind left side of dash)
• J/c 16 (right kick panel)
• J12
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Option connector 1 (behind left kick panel)
• Passenger side j/b (behind right side of dash)
• Pnk
• Power window master switch w/ ecu (in driver's door)
• Red
• S30
• S31
• Short connector (behind left side of dash)
• Sil
• Sliding roof control ecu (w/ moon roof) (on front of sliding roof)
• Theft deterrent ecu (behind right side of dash)
• W/ anti-theft system
• W/ navigation
• W/o anti-theft system
• W/o navigation

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Toyota Highlander 2004

List of elements for Computer Data Lines Wiring Diagram for Toyota Highlander 2004:

• (2.4l)
• (3.0l)
• (at rear of vehicle) j/c 19
• (at right kick panel) ic
• (at right rear corner of vehicle) bf
• (behind right side of dash) engine control module
• (behind right side of dash) theft deterrent ecu
• (behind upper center of dash) center j/b
• (on front of sliding roof) sliding roof control ecu
• A/c control assembly (behind center of dash)
• A10
• A11
• A12
• A17
• Air bag sensor assembly (below front of center console)
• B10
• Bat
• Bb (at right center pillar)
• Body ecu (behind right side of dash)
• C11
• C12
• Canh
• Canl
• Combination meter
• D/g
• D10
• Data link connector (dlc) 3 (under left side of dash)
• Dia
• E10
• E12
• Ecu-b fuse 7.5a
• Ecu-ig fuse 10a
• Ed (on top of engine)
• Ee (at intake side of cylinder block)
• Engine room j/b (on left side of engine compt)
• Eom
• Ess
• G10
• Gateway ecu (behind right side of dash)
• Gnd
• Hot at all times
• Hot in on or start
• I8 (in dash harness, at right end of dash)
• Ic (at right kick panel)
• Ig1
• Instrument panel j/b (behind left side of dash)
• J/c 16 (right kick panel)
• J/c 17 (behind left side of dash)
• J/c 7 (behind right side of dash)
• J12
• L11
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi-display
• Obd fuse 7.5a
• Obd2
• Occupant classification ecu (below right front seat)
• Option connector 1 (behind left kick panel)
• Passenger side j/b (behind right side of dash)
• Pnk
• Power window master switch with ecu (in driver's door)
• Red
• S30
• S31
• Short connector s30 & s31 (behind left side of dash)
• Sil
• Skid control ecu with actuator (right front of engine compt)
• Steering sensor (in steering column)
• Tac
• Tach
• Transponder key computer (behind center of dash)
• W/ navigation system
• W/ theft deterrent system
• W/o navigation system
• W/o theft deterrent system
• Wfse
• Yaw rate sensor (on rear of vehicle)

COOLING FAN

2.4L

2.4L, Cooling Fan Wiring Diagram for Toyota Highlander 2004

List of elements for 2.4L, Cooling Fan Wiring Diagram for Toyota Highlander 2004:

• (in engine compt harness, at left front of engine compt)
• (on front center of engine) engine coolant temperature sensor
• A/c triple pressure switch (on right front of engine compt)
• Cds fuse 30a
• Condenser fan motor (behind radiator)
• E9 (in engine compartment harness, at rear of engine)
• Eg (under left headlight)
• Engine control module (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Fan
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Fusible link block (on left side of engine compt)
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash)
• Junction connector 2 (behind left headlight)
• Junction connector 5 (left side of dash, behind instrument cluster)
• Radiator fan motor (behind radiator)
• Rdi fuse 30a
• Thw

3.3L

3.3L, Cooling Fan Wiring Diagram for Toyota Highlander 2004

List of elements for 3.3L, Cooling Fan Wiring Diagram for Toyota Highlander 2004:

• (in engine compt harness, at left front of engine compt)
• A/c triple pressure switch (on right front of engine compt)
• Acmg
• Cds fuse 30a
• Condenser fan motor (behind radiator)
• Diode (cooling fan) (behind left side of dash)
• E14 (in engine compt harness, at rear 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 compt)
• Engine room r/b (on left side of engine compt)
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• Fusible link block (on left side of engine compt)
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash)
• Junction connector 2 (behind left headlight)
• Junction connector 4 (on right side of engine compartment)
• Junction connector 5 (left side of dash, behind instrument cluster)
• Radiator fan motor (behind radiator)
• Rdi fuse 30a
• Thw
• Water temperature switch 1 (at right front of engine compartment, behind grille)
• Water temperature switch 2 (on rear center of engine)

CRUISE CONTROL

Cruise Control Wiring Diagram for Toyota Highlander 2004

List of elements for Cruise Control Wiring Diagram for Toyota Highlander 2004:

• (2.4l)
• (3.3l)
• (behind right side of dash) j/c 7
• (behind upper center of dash) center j/b
• (in engine compartment harness, at rear of engine) e9 e14 (3.3l)
• (left side of transmission) a/t indicator switch
• (rear of left valve cover)
• +b2
• +bm
• +res
• -set
• 3.3l
• Accel position sensor (above accelerator pedal)
• B12
• Batt
• C11
• C12
• C16
• Cancel
• Ccs
• Combination meter
• Combination switch
• Computer data lines system
• Cruise control switch
• Cruise ind
• Data link connector (dlc) 3 (under left side of dash)
• Dome fuse 10a
• E01
• E02
• E03
• E04
• E05
• E1 pnk
• Ec (2.4l) (at left side of cylinder block)
• Ecc
• Ecu-b fuse 7.5a
• Ed (3.3l) (on top of engine)
• Ee (2.4l) (at intake side of cylinder block)
• Efi 1 fuse 20a
• Efi relay
• Eng+
• Eng-
• 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 compt)
• Epa
• Epa2
• Etcs fuse 10a
• G10
• Ge01
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• I6 (3.3l)
• I6 (in dash harness, at right side of dash)
• I7 (in dash harness, at right end of dash)
• Ib (at right dash brace)
• Ig1 fuse 7.5a
• Ign fuse 10a
• Igsw
• Instrument panel j/b (behind left side of dash)
• J/c 16 (right kick panel)
• J/c 2 (behind left headlight)
• J/c 6 (left side of dash, behind instrument) cluster)
• J/c 7 (behind right side of dash)
• K13
• Lcd
• M12
• Me01
• Mpx1
• Mpx2
• Mrel
• Nca
• Neo
• On/off
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Skid control ecu with actuator (right front of engine compartment)
• Sp1
• Spd
• Speedometer
• St1-
• Stop fuse 20a
• Stop light switch (above brake pedal)
• Stp
• Throttle control motor & sensor (2.4l: on side of transmission) (3.3l: on side of throttle body)
• Trc+
• Trc-
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vta1
• Vta2

DEFOGGERS

Mirror Heater & Front Deicer Wiring Diagram for Toyota Highlander 2004

List of elements for Mirror Heater & Front Deicer Wiring Diagram for Toyota Highlander 2004:

• (in engine compt harness, at left rear of engine compt) e13
• Center j/b (behind upper center of dash)
• D14
• Deicer relay
• F13
• Fdef
• Fr def fuse 20a
• Front wiper deicer & mirror heater switch (a/c control assembly)
• Front wiper deicer (on left rear of engine compt)
• Gnd
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Ill
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• K13
• L10
• L12
• Left mirror heater
• Left remote control mirror
• Passenger side j/b (behind right side of dash)
• Pnk
• R/b 1 (left of instrument panel j/b)
• Right mirror heater
• Right remote control mirror

Rear Defogger Wiring Diagram for Toyota Highlander 2004

List of elements for Rear Defogger Wiring Diagram for Toyota Highlander 2004:

• A10
• Engine room j/b (on left side of engine compt)
• Fusible link block (on left side of engine compt)
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash)
• J/c 14 (on left rear of vehicle)
• J/c 2 (behind left headlight)
• J/c 5 (left side of dash, behind instrument cluster)
• Noise filter (rear window defogger) (on left rear of vehicle)
• Of vehicle)
• Pnk
• R16
• R17
• Rdfg
• Rear defog relay
• Rear window defogger
• Rear window defogger switch (a/c control assembly)
• Rr def fuse 30a

ENGINE PERFORMANCE

2.4L

2.4L, Engine Performance Wiring Diagram (1 of 6) for Toyota Highlander 2004

List of elements for 2.4L, Engine Performance Wiring Diagram (1 of 6) for Toyota Highlander 2004:

• (dash harn, behind right side of dash)
• (intake side of cyl block)
• (intake side of cyl block) ee
• (left side of cyl block) ef
• (on left front of engine) crankshaft position sensor
• (on rear center engine) camshaft position sensor
• (right front of engine) camshaft timing oil control valve
• +b2
• A/c system
• A/t indicator switch (left side of trans)
• Accel position sensor (above accelerator pedal)
• Batt
• Charging circuit
• Computer data lines system
• Cooling fans system
• Els2
• Eng+
• Eng-
• Engine control module (ecm) (behind right side of dash)
• Eom
• Ep1
• Ep2
• Epa
• Epa2
• G2+
• Ge01
• Hot in on & start
• Ig1 fuse 7.5a
• Igsw
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash)
• J/c 7 (behind right side of dash)
• J/c 7 a
• Lcki
• Me01
• Mops
• Mpmp
• Mrel
• Nca
• Ne+
• Ne-
• Neo
• Oc2+
• Oc2-
• Odms
• Of dash)
• Oil pressure switch (left rear of engine)
• Passenger side j/b (behind right side of dash)
• Pnk
• Power steering oil pressure switch (front of engine)
• Ppmp
• Psw
• Red
• Rfc
• S27
• Sil
• Skid control ecu w/ actuator (right front of eng compt)
• Tach
• Trc+
• Trc-
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa1
• Vpa2
• Wfse

2.4L, Engine Performance Wiring Diagram (2 of 6) for Toyota Highlander 2004

List of elements for 2.4L, Engine Performance Wiring Diagram (2 of 6) for Toyota Highlander 2004:

• (dash harn, right end of dash)
• (dash harn, right side of dash)
• Af+
• Af-
• Air fuel ratio sensor (bank 1 sensor 1) (on exhaust manifold)
• Bb (right center pillar)
• Bc (left side of rear crossmember)
• Charcoal canister assembly
• Circuit opening relay
• Ee (intake side of cyl block)
• Efi 1 fuse 20a
• Efi relay
• Eh (under left headlight)
• Engine room j/b (on left side of engine compt)
• Fuel pump (in fuel tank)
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust, after catalytic converter)
• Hot at all times
• Ht1b
• J/c
• J/c 19 (rear of vehicle)
• J/c 7 (right side of dash)
• Nca
• O1b-
• Ox1b
• Pnk
• R/b 1 (left of instrument panel j/b)
• Red
• V15 excd
• Voltage inverter (w/ rear seat entertainment system) (center of vehicle)

2.4L, Engine Performance Wiring Diagram (3 of 6) for Toyota Highlander 2004

List of elements for 2.4L, Engine Performance Wiring Diagram (3 of 6) for Toyota Highlander 2004:

• (behind right side of dash) passenger side j/b
• (intake side of cyl block)
• (on transmission) park/neutral position switch
• A1a+
• A1a-
• Center j/b (behind upper center of dash)
• Computer data lines system
• Counter gear speed sensor (left side of engine compt)
• Dsl
• E04
• E7 (engine harn, at left side of engine)
• Ecu-b fuse 7.5a
• Efi 2 fuse 10a
• Eknk
• Engine control module (ecm) (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• G10
• Ha1a
• Heater fuse 10a
• Hot at all times
• Hot in on & start
• Ht1b
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash)
• K13
• Knk1
• Knk2
• Knock sensor (right side of engine)
• L11
• Nc+
• Nc-
• Nca
• Nt+
• Nt-
• Ox1b
• P/n
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Stop fuse 20a
• Stoplight switch (above brake pedal)
• Th0
• Turbine speed sensor (on side of trans- mission)

2.4L, Engine Performance Wiring Diagram (4 of 6) for Toyota Highlander 2004

List of elements for 2.4L, Engine Performance Wiring Diagram (4 of 6) for Toyota Highlander 2004:

• A/t oil temp ind
• Anti-lock brakes system
• B12
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• Dsl
• Ect snow ind
• Electronically controlled transmission solenoid (in transmission)
• Ib (at right dash brace)
• Lcd
• Mil
• O/d off
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Speedometer
• Tachometer
• Tho

2.4L, Engine Performance Wiring Diagram (5 of 6) for Toyota Highlander 2004

List of elements for 2.4L, Engine Performance Wiring Diagram (5 of 6) for Toyota Highlander 2004:

• (eng harn,
• (eng harn, rear of engine)
• (in eng harn, front of eng)
• (in eng harn, top of eng) e8
• (left rear of engine compt) mass airflow meter
• (rear of engine) noise filter
• Center j/b (behind upper center of dash)
• D11
• Dome fuse 10a
• E2g
• Ef (left side of cyl block)
• Engine coolant temperature sensor (left rear of eng)
• Engine room j/b (on left side of engine compt)
• Hot at all times
• Hot in on & start
• Ig2 fuse 15a
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Instrument panel j/b (behind left side of dash)
• Passenger side j/b (behind right side of dash)
• Pnk
• Rear of engine)
• Rear of engine) e9
• Red
• Tha
• Vsv (evap) (left rear of engine compt)

2.4L, Engine Performance Wiring Diagram (6 of 6) for Toyota Highlander 2004

List of elements for 2.4L, Engine Performance Wiring Diagram (6 of 6) for Toyota Highlander 2004:

• (dash harn, right side of dash)
• (eng harn, rear of engine)
• (in eng harn, top of eng)
• (left side of cyl block) ef
• (on side of throttle body) throttle control motor & sensor
• (right side of dash) s/c 28, 29
• +bm
• A/c system
• Acmg
• Ccs
• Center j/b (behind upper center of dash)
• Computer data lines system
• Cooling fans system
• Cruise control system
• E02
• E03
• E2g
• Efii
• Efio
• Engine control module (ecm) (behind right side of dash)
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• F13
• Fan
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Hot at all times
• Ib (at right dash brace)
• Igf1
• Igt1
• Igt2
• Igt3
• Igt4
• Imi
• Imo
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Instrument panel j/b (behind left side of dash)
• M12
• Mpx1
• Mpx2
• Nsw
• Pnk
• Prg
• Red
• S28
• S29
• Spd
• St1
• Sta
• Stp
• Tam
• Tha
• Thw
• Transmission control switch
• Transponder key computer (behind right side of dash)
• Vpmp
• Vta1
• Vta2

3.3L

3.3L, Engine Performance Wiring Diagram (1 of 6) for Toyota Highlander 2004

List of elements for 3.3L, Engine Performance Wiring Diagram (1 of 6) for Toyota Highlander 2004:

• (behind left side of dash)
• (dash harn, behind right side of dash)
• (left rear of engine) camshaft timing oil control valve (left)
• (on left front of engine) crankshaft position sensor
• (on left rear of engine left vvt sensor
• (on right rear of engine right vvt sensor
• (rear of left valve cover) ec
• (right rear of engine) camshaft timing oil control valve (right)
• (top of engine)
• (top of engine) ed
• +b2
• A/c system
• A/t indicator switch (left side of trans)
• Accel position sensor (above accelerator pedal)
• Acm
• Batt
• Charging circuit
• Computer data lines system
• Cooling fans system
• E03
• Els2
• Eng+
• Eng-
• Engine control module (ecm) (behind right side of dash)
• Eom
• Ep1
• Ep2
• Epa
• Epa2
• Ge01
• Gnd
• Hot in on & start
• Ig1 fuse 7.5a
• Igsw
• Instrument panel j/b (behind left side of dash)
• J/c 17
• J/c 6 (left side of dash)
• J/c 7 (behind right side of dash)
• J/c 7 a
• Lcki
• Me01
• Mops
• Mrel
• Nca
• Ne+
• Ne-
• Neo
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Odms
• Of dash)
• Oil pressure switch (left front of engine)
• Passenger side j/b (behind right side of dash)
• Pnk
• Power steering oil pressure switch (front of engine)
• Psw
• Ptnk
• Red
• Rfc
• S27
• Sil
• Skid control ecu w/ actuator (right front of eng compt)
• Tach
• Trc+
• Trc-
• Vapor pressure sensor (rear of vehicle)
• Vcc
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa1
• Vpa2
• Vsv (acm) (left front of engine compt)
• Vv1+
• Vv2+
• Wfse

3.3L, Engine Performance Wiring Diagram (2 of 6) for Toyota Highlander 2004

List of elements for 3.3L, Engine Performance Wiring Diagram (2 of 6) for Toyota Highlander 2004:

• (dash harn, right end of dash)
• (eng harn, (rear of engine)
• (left front of eng compt)
• A/f relay
• Af+
• Af-
• Air fuel ratio sensor (bank 1 sensor 1) (left exhaust manifold)
• Air fuel ratio sensor (bank 2 sensor 1) (right exhaust manifold)
• Bc (left side of rear crossmember)
• Circuit opening relay
• E14
• E16
• Ed (top of eng)
• Efi 1 fuse 20a
• Efi relay
• Eh (under left headlight)
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Fuel pump (in fuel tank)
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust, after catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (on exhaust, after catalytic converter)
• Hot at all times
• Ht1b
• J/c 2
• J/c 7 (right side of dash)
• Nca
• Ox1b
• Pnk
• R/b 1 (left of instrument panel j/b)
• V15 excd
• Voltage inverter (w/ rear seat entertainment system) (center of vehicle)

3.3L, Engine Performance Wiring Diagram (3 of 6) for Toyota Highlander 2004

List of elements for 3.3L, Engine Performance Wiring Diagram (3 of 6) for Toyota Highlander 2004:

• (behind right side of dash) passenger side j/b
• (on left side of transmission) park/neutral position switch
• (top of eng)
• A/f fuse 25a
• A1a+
• A1a-
• A2a+
• A2a-
• Center j/b (behind upper center of dash)
• Computer data lines system
• Counter gear speed sensor (left side of engine compt)
• Dsl
• E05
• E06
• E7 (engine harn, at rear of engine)
• Ecu-b fuse 7.5a
• Efi 2 fuse 10a
• Ekn2
• Eknk
• Engine control module (ecm) (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• G10
• Ha1a
• Ha2a
• Heater fuse 10a
• Hot at all times
• Hot in on & start
• Ht1b
• Ht2b
• Ign fuse 10a
• Inj 6
• Instrument panel j/b (behind left side of dash)
• J/c 3 (right side of engine compt)
• K13
• Knk1
• Knk2
• Knock sensor 1 (right center of engine)
• Knock sensor 2 (left center of engine)
• L11
• Nc+
• Nc-
• Nca
• Nt+
• Nt-
• Ox1b
• Ox2b
• P/n
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Sl3+
• Sl3-
• Slt+
• Slt-
• Stop fuse 20a
• Stoplight switch (above brake pedal)
• Th01
• Turbine speed sensor (on side of trans- mission)

3.3L, Engine Performance Wiring Diagram (4 of 6) for Toyota Highlander 2004

List of elements for 3.3L, Engine Performance Wiring Diagram (4 of 6) for Toyota Highlander 2004:

• A/t oil temp ind
• Anti-lock brakes system
• B12
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• Dsl
• Ect snow ind
• Electronically controlled transmission solenoid (in transmission)
• Ib (at right dash brace)
• Lcd
• Mil
• O/d off
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Sl3+
• Sl3-
• Slt+
• Slt-
• Speedometer
• Tachometer
• Tho

3.3L, Engine Performance Wiring Diagram (5 of 6) for Toyota Highlander 2004

List of elements for 3.3L, Engine Performance Wiring Diagram (5 of 6) for Toyota Highlander 2004:

• (dash harn, right side of dash)
• (front center of engine) noise filter
• (in eng harn,
• (in eng harn, front of eng)
• (in eng harn, front of eng) e6
• (left rear of engine compt) mass airflow meter
• Center j/b (behind upper center of dash)
• D11
• Dome fuse 10a
• E14
• E2g
• Ec (rear of left valve cover)
• Engine coolant temperature sensor (front center of eng)
• Engine room j/b (on left side of engine compt)
• Hot at all times
• Hot in on & start
• Ig2 fuse 15a
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• Instrument panel j/b (behind left side of dash)
• Passenger side j/b (behind right side of dash)
• Pnk
• Rear of engine)
• Rear of engine) e14
• Red
• Tha
• Vsv (canister closed valve) (rear of vehicle)
• Vsv (evap) (top center of eng)

3.3L, Engine Performance Wiring Diagram (6 of 6) for Toyota Highlander 2004

List of elements for 3.3L, Engine Performance Wiring Diagram (6 of 6) for Toyota Highlander 2004:

• (dash harn, right side of dash)
• (in eng harn, front of eng)
• (on throttle body) throttle control motor & sensor
• (right side of dash) s/c 28, 29
• (top of engine) ed
• +bm
• A/c system
• Acis
• Acmg
• Ccs
• Ccv
• Center j/b (behind upper center of dash)
• Computer data lines system
• Cruise control system
• E01
• E02
• E2g
• Efii
• Efio
• Engine control module (ecm) (behind right side of dash)
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• F13
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Hot at all times
• Ib (at right dash brace)
• Igf1
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Imi
• Imo
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Instrument panel j/b (behind left side of dash)
• M12
• Mpx1
• Mpx2
• Nsw
• Pnk
• Prg
• Red
• S28
• S29
• Spd
• St1
• Sta
• Stp
• Tam
• Tha
• Thw
• Transmission control switch & transmission shift main switch
• Transponder key computer (behind right side of dash)
• Vsv (acis 2) (rear center of engine)
• Vta1
• Vta2

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Toyota Highlander 2004

List of elements for Back-up Lamps Wiring Diagram for Toyota Highlander 2004:

• Back-up light switch (on left side of transmission)
• Bc (at left side of rear crossmember)
• Hot in on or start
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• Junction connector 12 (on left rear of vehicle)
• Left back-up light
• Left rear combination light
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Right back-up light
• Right rear combination light

Exterior Lamps Wiring Diagram for Toyota Highlander 2004

List of elements for Exterior Lamps Wiring Diagram for Toyota Highlander 2004:

• (on left rear of vehicle) junction connector 13
• Alt fuse 140a
• B10
• B11
• B12
• Bc (at left side of rear crossmember)
• Body ecu (behind right side of dash)
• C10
• C11
• C13
• Center j/b (behind upper center of dash)
• Combi- nation switch
• Combination meter
• Engine room j/b (on left side of engine compt)
• F13
• Fusible link block (on left side of engine compt)
• G10
• Haz
• Hazard fuse 15a
• Hazard switch (a/c control assembly)
• Head
• High mounted stop light
• Hot at all times
• Hot in on or start
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 20 (near left kick panel)
• Junction connector (on left rear of vehicle)
• Junction connector 1 (behind left headlight)
• Junction connector 12 (on left rear of vehicle)
• Junction connector 14 (on left rear of vehicle)
• Junction connector 3 (on right side of engine compt)
• Left
• Left front park/ turn light
• Left rear combin- ation light
• Left rear side marker light
• License plate light
• Light control switch (part of combination switch)
• M13
• Off
• Park
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Right
• Right front park/ turn light
• Right rear combin- ation light
• Right rear side marker light
• Stop
• Stop fuse 20a
• Stoplight switch (above brake pedal)
• Tail
• Tail fuse 10a
• Taillight relay
• Trly
• Turn
• Turn signal flasher (right of instrument panel j/b)
• Turn signal ind lights
• Turn signal switch

Trailer Tow Wiring Diagram for Toyota Highlander 2004

List of elements for Trailer Tow Wiring Diagram for Toyota Highlander 2004:

• B9 (in body harness, at left rear of vehicle)
• Bc (at left side of rear crossmember)
• Body ecu (behind right side of dash)
• C10
• Center j/b (behind upper center of dash)
• D14
• Engine room j/b (on left side of engine compt)
• G10
• Gnd
• Haz
• Hazard fuse 15a
• Hazard switch (a/c control assembly)
• Hot at all times
• Hot in on or start
• Ia (at left kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 20 (near left kick panel)
• Junction connector 10 (on left rear of vehicle)
• Junction connector 12 (on left rear of vehicle)
• Junction connector 13 (on left rear of vehicle)
• Junction connector 20 (near left kick panel)
• Lt/s
• Passenger side j/b (behind right side of dash)
• Red
• Rt/s
• Stop fuse 20a
• Stoplight switch (above brake pedal)
• Stp
• Tail
• Tail fuse 10a
• Towing converter (rear of vehicle)
• Towing fuse 20a
• Trailer hitch
• Turn signal flasher (right of instrument panel j/b)
• Turn signal switch (part of comb- ination switch)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Toyota Highlander 2004

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Toyota Highlander 2004:

• (on left side of engine compt) engine room j/b
• (on left side of engine compt) engine room r/b
• (on right front of engine compt) engine room r/b 3
• (w/ drl)
• (w/o drl)
• 2.4l
• A/c magnetic clutch & lock sensor
• A/c triple pressure switch
• A/f relay
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Brake warning switch
• Camshaft position sensor shield
• Combination switch
• Crankshaft position sensor shield
• Data link connector
• Drl 3 relay
• Drl 4 relay
• E11 (in engine compt harness, at left rear of engine compt)
• E12 (in engine compt harness, at left rear of engine compartment)
• E9 (in engine compartment harness, at rear of engine)
• Ee (at intake side of cylinder block)
• Ef (at left side of cylinder block)
• Efi relay
• Engine control module
• Engine hood courtesy switch
• Fan 2 relay
• Heated oxygen sensor (bank 1 sensor 2) shield
• I6 (in dash harness, at right side of dash)
• I8 (in dash harness, at right end of dash)
• Ignition coil & igniter
• Inverter relay
• J/c 1 (behind left headlight)
• J/c 2 (behind left headlight)
• J/c 3 (on right side of engine compt)
• J/c 4 (on right side of engine compt)
• J/c 7 (behind right side of dash)
• Knock sensor shield
• Left front fog light
• Left front parking light
• Left front turn signal & parking light
• Left headlight (low beam)
• Nca
• Radiator fan motor
• Rear defog relay
• Red
• Right front fog light
• Right front parking light
• Right front turn signal & parking light
• Right headlight (low beam)
• Skid control ecu with actuator
• Starter relay
• W/ drl
• Washer level sensor
• Water temperature switch 1

Ground Distribution Wiring Diagram (2 of 4) for Toyota Highlander 2004

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Toyota Highlander 2004:

• 3.3l
• A/c magnetic clutch & lock sensor
• A17
• Acc relay
• Air bag sensor assembly
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Bb (at right center pillar)
• Bf (at right rear corner of vehicle)
• Blower control switch
• Blower motor control
• C13
• Charcoal canister assembly
• Combination switch
• Crankshaft position sensor shield
• D14
• Data link connector
• E6 (in engine compt harness, front of engine)
• Ec (rear of left valve cover)
• Ed (on top of engine)
• Engine control module
• Front passenger's seat control switch
• Front wiper deicer
• Front wiper motor
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• I6 (in dash harness, at right side of dash)
• I8 (in dash harness, at right end of dash)
• Ia (at left kick panel)
• Ignition coil & igniter
• Instrument panel j/b (behind left side of dash)
• J/c 18 (at rear of vehicle)
• J/c 19 (at rear of vehicle)
• J/c 23 & 24 (below right front seat)
• J/c 7 (behind right side of dash)
• J23
• J24
• Knock sensor 1 shield
• Knock sensor 2 shield
• Left vvt sensor shield
• Nca
• Occupant classification ecu
• R29
• R31
• Rear heater blower motor
• Rear heater blower switch
• Rear heater relay
• Red
• Right rear door lock motor & door unlock detection switch
• Right rear power window switch
• Right seat entertainment ecu
• Right seat heater
• Right vvt sensor shield
• S23
• Stereo power amplifier
• To passenger side j/b (diagram 3 of 4)
• W/ power seat
• W/o power seat
• Wireless door lock ecu
• Yaw rate sensor

Ground Distribution Wiring Diagram (3 of 4) for Toyota Highlander 2004

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Toyota Highlander 2004:

• (left of instrument panel j/b)
• (w/ manual a/c)
• 2wd
• A/c control assembly
• A10
• B1 (in body harness, at left "a" pillar)
• B12
• B2 (in body harness, inside left front door)
• B4 (in body harness, inside right front door)
• Blower resistor
• Body ecu
• Brake pedal load sensing switch
• C11
• C13
• C14
• Center j/b (behind upper center of dash)
• Centre j/b (behind upper center of dash)
• Cigarette lighter
• Combination meter
• Data link connector
• Door lock control switch
• E10
• E11
• Electronically controlled transmission pattern select switch
• Engine control module
• F10
• F11
• F12
• F13
• From center j/b (diagram 3 of 3)
• From instrument panel j/b (diagram 2 of 4)
• Front power outlet
• Front wiper deicer & mirror heater switch
• Front/rear wiper & washer switch
• Fuel sender
• G10
• Garage door opener & left vanity light
• Gateway ecu
• Glove box light
• H10
• H11
• Heater relay
• Ib (at right dash brace)
• Ic (at right kick panel)
• Interior light
• J/c 13 (on left rear of vehicle)
• J10
• J11
• J16
• Key interlock solenoid
• L10
• Left remote control mirror
• Left seat heater switch
• Main switch
• Multi- display
• Navigation ecu
• Option connector
• Overhead j/b
• Passenger side j/b (behind right side of dash)
• Power window master switch with ecu
• Pressure switch
• R/b 1
• Radio & player
• Red
• Remote control mirror switch
• Right front door lock motor, door unlock detection switch & door key lock & unlock switch
• Right front power window switch
• Right remote control mirror
• Right seat heater switch
• Right vanity light
• Seat heater relay
• Shift lock ecu
• Sliding roof control ecu
• Steering sensor
• Tell tale light assembly
• Theft deterrent ecu
• Theft deterrent indicator light
• To center j/b (diagram 3 of 3)
• Trac off switch
• Transmission control switch, transmission shift main switch & indicator light wire sub assembly
• Transponder key computer
• Turn signal flasher
• Turn signal switch
• Unlock warning switch
• W/ 6 speaker system
• W/ 8 speaker system
• W/ moon roof
• W/o moon roof
• Wireless door lock buzzer

Ground Distribution Wiring Diagram (4 of 4) for Toyota Highlander 2004

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Toyota Highlander 2004:

• B9 (in body harness, at left rear of vehicle)
• Ba (at left center pillar)
• Back door key lock & unlock switch
• Back door lock motor & door unlock detection switch
• Bc (at left side of rear crossmember)
• Driver's seat control switch
• Driver's seat lumber support control
• Fuel pump
• High mounted stop- light
• J/c 12 (on left rear of vehicle)
• J/c 14 (on left rear of vehicle)
• J/c 21 & 22 (below driver's seat)
• J21
• J22
• Left rear combination light
• Left rear door lock motor & door unlock detection switch
• Left rear power window switch
• Left rear side marker light
• Left seat heater
• License plate light
• R16
• Rear interior light
• Rear interior light switch
• Rear power outlet
• Rear window defogger
• Right rear combination light
• Right rear side marker light
• Towing converter
• Trailer hitch
• Voltage inverter

HEADLIGHTS

Headlights Wiring Diagram, with DRL for Toyota Highlander 2004

List of elements for Headlights Wiring Diagram, with DRL for Toyota Highlander 2004:

• (behind left head- light)
• (in engine compt harness, at left rear of engine compt) e10
• (in engine compt harness, at right side of engine compt) e15
• (on right front of engine compt) engine room r/b 3
• (on right side of engine compt)
• A10
• A13
• Acc
• Alt fuse 140a
• Auto
• Automatic light control sensor (on upper left side of dash)
• B10
• B11
• B12
• Becu
• Body ecu (behind right side of dash)
• C11
• C12
• Center j/b (behind upper center of dash)
• Cltb
• Clte
• Clts
• Combination meter
• Combination switch
• Dcty
• Dimmer switch
• Drl
• Drl 2 relay
• Drl 3 relay
• Drl 4 relay
• Drl fuse 7.5a
• E10
• E11
• E12
• Eb (at right front fender apron)
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Ffgo
• Ffog
• Flash
• Fog light relay
• Foglight switch
• Fr fog fuse 20a
• Fusible link block (on left side of engine compt)
• G10
• Gnd1
• H11
• Harness, at left rear of engine compt)
• Head
• Headlamp relay
• High
• High beam indicator
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Hrly
• Ia (at left kick panel)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 1
• J/c 3
• K10
• Left front door courtesy switch (left "b" pillar)
• Left front fog light
• Left high beam headlight
• Left low beam head- light
• Left lower head lp fuse 15a
• Left upper head lp fuse 10a
• Light control switch
• Low
• Main fuse 40a
• Off
• Parking brake switch (at base of parking brake pedal)
• Passenger side j/b (behind right side of dash)
• Pkb
• Pnk
• Radio 2 fuse 7.5a
• Red
• Right front fog light
• Right high beam headlight
• Right low beam head- light
• Right lower head lp fuse 15a
• Right upper head lp fuse 10a
• Tail
• Tail fuse 10a
• Tail light relay
• Trly

Headlights Wiring Diagram, without DRL for Toyota Highlander 2004

List of elements for Headlights Wiring Diagram, without DRL for Toyota Highlander 2004:

• (in dash harness, at top left side of dash) i3
• (in engine compt harness, at left rear of engine compt) e4
• A10
• A13
• Acc
• Alt fuse 140a
• B10
• B11
• B12
• Becu
• Body ecu (behind right side of dash)
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Combination switch
• Dcty
• Dimmer switch
• E15 (in engine compt harness, of engine compt)
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Ffgo
• Ffog
• Flash
• Fog light relay
• Foglight switch
• Fr fog fuse 20a
• Fusible link block (on left side of engine compt)
• G10
• Gnd1
• H11
• Head
• Head lp left lower fuse 15a
• Head lp left upper fuse 10a
• Head lp right lower fuse 15a
• Head lp right upper fuse 10a
• Headlamp relay
• High
• High beam indicator
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Hrly
• Ia (at left kick panel)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 1 (behind left head- light)
• Junction connector 3 (on right side of engine compt)
• K10
• Left front door courtesy switch (left "b" pillar)
• Left front fog light
• Left high beam head- light
• Left low beam head- light
• Light control switch
• Low
• Main fuse 40a
• Off
• Passenger side j/b (behind right side of dash)
• Radio 2 fuse 7.5a
• Red
• Right front fog light
• Right high beam head- light
• Right low beam head- light
• Tail
• Tail fuse 10a
• Tail light relay
• Trly

HORN

Horn Wiring Diagram for Toyota Highlander 2004

List of elements for Horn Wiring Diagram for Toyota Highlander 2004:

• B12
• Body ecu (behind right side of dash)
• C16
• Combination switch
• Engine room j/b (on left side of engine compartment)
• Horn
• Horn fuse 10a
• Horn relay
• Horn switch
• Hot at all times
• I1 (at left end of dash)
• Left horn (front of vehicle)
• Pnk
• Right horn (front of vehicle)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Toyota Highlander 2004

List of elements for Instrument Cluster Wiring Diagram for Toyota Highlander 2004:

• (3.3l)
• (3.3l: on left front of engine)
• (behind upper center of dash) center j/b
• (in fuel tank) fuel sender
• (on left rear of vehicle) j/c 13
• 2.4l
• 3.3l
• A/t oil temp ind
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• Abs ind
• Air bag ind
• Anti-lock brakes system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Beam ind
• Brake ind
• Brake warning switch (on master cylinder assembly)
• Buzzer
• C11
• C12
• Center j/b (behind upper center of dash)
• Charge ind
• Combination meter
• Computer data lines system
• Cruise ind
• D11
• Dome fuse 10a
• Door ind
• Driver's seat belt ind
• E10
• Ect snow ind
• Ecu-b fuse 7.5a
• Engine control module (behind right side of dash)
• Engine controls system
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Exterior lights system
• F13
• Fuel gauge
• Fuel ind
• G10
• Head lp rh lwr 15a
• Headlights system
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Hot w/ headlamp relay energized
• Ib (at right dash brace)
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/c 13 (on left rear of vehicle)
• J/c 4 (on right side of engine compt)
• J/c 6 (left side of dash, behind instrument cluster)
• K12
• K13
• Lcd
• Left turn ind
• Maint reqd ind (usa)
• Malfunction ind lamp
• Mops
• Mpx2
• Multi- display
• Navigation ecu (below driver seat)
• O/d off ind
• Oil pressure ind
• Oil pressure switch (2.4l: on left rear of engine)
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Rheostat
• Right turn ind
• Slip ind
• Spd
• Speedometer
• Tachometer
• Tire air pressure ind
• Trac off ind
• Vsc ind
• Washer level ind
• Water temp gauge
• Wiper/washer system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Toyota Highlander 2004

List of elements for Courtesy Lamps Wiring Diagram for Toyota Highlander 2004:

• (at right dash brace) ib
• +b1
• A10
• Acc
• B1 (in body harness, at left "a" pillar)
• B11
• B12
• B6 (in body harness, at top of red
• Bcty
• Becu
• Body ecu (behind right side of dash)
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• Cty
• D12
• D13
• D14
• Dcty
• Dcyl
• Diode (rear interior light) (in roof, near rear hatch)
• Dome fuse 10a
• Door
• Door d fr fuse 25a
• Door ind
• Door p fr fuse 20a
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• F13
• G10
• Gnd
• Gnd1
• Gnd2
• H11
• Heater fuse 10a
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Ignition key cylinder illum- ination
• Ile
• Instrument panel j/b (behind left side of dash)
• Interior light
• J/c 13 (on left rear of vehicle)
• J/c 14 (on left rear of vehicle)
• K10
• K13
• Left "a" pillar) b1
• Left front door courtesy light
• Left front door courtesy switch (left "b" pillar)
• Left rear door courtesy switch (on left "c" pillar)
• Left vanity light
• Liftgate)
• Light
• Mpx2
• Off
• Over- head j/b
• Passenger side j/b (behind right side of dash)
• Pcty
• Pcyl
• Pnk
• Radio 2 fuse 7.5a
• Rcty
• Rear interior light
• Rear interior light switch
• Red
• Right front door courtesy
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Right vanity light
• Tran- sponder key amplifier (ignition key cylinder illumi- nation)
• W/ engine immobilizer
• W/o engine immobilizer

Instrument Illumination Wiring Diagram for Toyota Highlander 2004

List of elements for Instrument Illumination Wiring Diagram for Toyota Highlander 2004:

• (6 speaker)
• (8 speaker)
• (at left kick panel) ia
• (behind upper center of dash) center j/b
• (in dash harness, at right side of dash) i2
• A/c control assembly (w/o navigation system)
• A11
• A12
• Alt fuse 140a
• Ashtray illumination
• B10
• B12
• Bb (at right center pillar)
• Bf (at right rear corner of vehicle)
• Body ecu (behind right side of dash)
• C11
• C13
• C16
• Center j/b (behind upper center of dash)
• Cigarette lighter illumination
• Combination meter
• Combination switch
• Combination switch (8 speaker)
• D11
• Dome fuse 10a
• E10
• Electronically controlled transmission pattern select switch
• Engine room j/b (on left side of engine compt)
• F13
• Fusible link block (on left side of engine compt)
• Glove box light
• Gmd
• H10
• Head
• Hot at all times
• Ib (at right dash brace)
• Indicator light wire sub assembly
• Instrument panel j/b (behind left side of dash)
• J/c 19 (at rear of vehicle)
• Left seat heater switch (w/ seat heater system)
• Light control switch
• Main switch
• Multi- display (w/ navigation system)
• Off
• Panel fuse 7.5a
• Passenger side j/b (behind right side of dash)
• R23
• Radio & player
• Radio & player (8 speaker)
• Rear heater blower switch (w/ rear heater system)
• Rear heater main switch (w/ rear heater system)
• Red
• Rheostat
• Right seat heater switch (w/ seat heater system)
• Tail
• Taillight relay
• Trly

NAVIGATION

Navigation Wiring Diagram (1 of 2) for Toyota Highlander 2004

List of elements for Navigation Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• A/t indicator switch (left side of transmission)
• A10
• A13
• Acc
• Aui+
• Aui-
• Auo+
• Auo-
• Batt
• Center j/b (behind upper center of dash)
• Computer data lines system
• D11
• Dome fuse 10a
• Engine room j/b (on left side of engine compt)
• Entertainment ecu
• F13
• Fl+
• Fl-
• Gateway ecu (behind right side of dash)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Hot in acc or on
• Hot in on or start
• I10
• Ib (at right dash brace)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left end of dash)
• K10
• K13
• Left front door speaker
• Left tweeter
• Mpd1
• Mpd2
• Navigation ecu (below driver's seat)
• Nca
• Nts1
• Passenger side j/b (behind right side of dash)
• Pnk
• R22
• R29
• Rad 2 fuse 7.5a
• Radio & player
• Rear seat sg3
• Red
• Sgn1
• Spd
• Stereo power amplifier (in luggage compt)
• Sync
• Tx+
• Tx-
• Tx1+
• Tx1-
• Tx3+
• Tx3-

Navigation Wiring Diagram (2 of 2) for Toyota Highlander 2004

List of elements for Navigation Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• (behind upper center of dash)
• (right kick panel) j/c 16
• (under left side of dash) data link connector (dlc) 3
• +b1
• Acc
• B10
• B12
• Body ecu
• C11
• C12
• Center j/b (behind upper center of dash)
• Computer data lines system
• Crt fuse 7.5a
• D11
• Ecu-b fuse 7.5a
• Ecu-ig fuse 10a
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• G10
• Gnd1
• H12
• Haz
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Ill
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/c 17 (behind left side of dash)
• K12
• K13
• Multi-display
• Nca
• Ntsc
• Pbew
• Pkb
• Pnk
• Red
• Sgd1
• Sgnd
• Sp1
• Spd
• Sync
• Tx+
• Tx-
• Tx1+
• Tx1-
• Tx3+
• Tx3-

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Toyota Highlander 2004

List of elements for Power Distribution Wiring Diagram (1 of 4) for Toyota Highlander 2004:

• A/f fuse 25a
• A/f relay
• Abs 1 fuse 30a
• Abs 2 fuse 50a
• Air conditioning system
• Air conditioning system & cooling fans system
• Alt fuse 140a
• Am1 fuse 40a
• Am2 fuse 30a
• Anti-lock brakes system
• Anti-lock brakes system, body computer system, cruise control system, engine controls system, exterior lights system, shift interlock system & transmissions system
• B11
• Battery
• Body computer system, interior lights system, power windows system & door locks system
• Cds fuse 30a
• Coil
• Computer data lines system
• Contact
• Crt fuse 7.5a
• D fr door fuse 25a
• D rr door fuse 20a
• D12
• D13
• Defogger system
• E10
• E15
• Engine controls system & cruise control system
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• Exterior lights system
• Fog light relay
• Fr def fuse 20a
• Fr fog fuse 20a
• From s/roof fuse d (diagram 1 of 4)
• Fusible link block (on left side of engine compt)
• G11
• Generator
• Htr fuse 50a
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• Interior lights system & power windows system
• Nca
• Obd fuse 7.5a
• P fr door fuse 20a
• P rr door fuse 20a
• Panel fuse 7.5a
• Power fuse 30a
• Power tops system
• Power windows system
• Rdi fuse 30a
• Red
• Rr def fuse 30a
• Rr htr fuse 15a
• S/roof fuse 20a
• Seat htr fuse 15a
• Seats system
• Sound systems & navigation system
• Starter
• Stop fuse 20a
• Tail fuse 10a
• Taillight relay
• To ignition switch (diagram 3 of 4)
• To main fuse (diagram 2 of 4)
• To power fuse (diagram 1 of 4)
• To power outlet1 fuse (diagram 4 of 4)

Power Distribution Wiring Diagram (2 of 4) for Toyota Highlander 2004

List of elements for Power Distribution Wiring Diagram (2 of 4) for Toyota Highlander 2004:

• (in engine compt harness, at left rear of engine compt) e10
• Ac1
• Ac2
• Alt-s fuse 7.5a
• Anti-theft system
• Anti-theft system, body computer system & door locks system
• Center j/b (behind upper center of dash)
• Coil
• Contact
• Dome fuse 10a
• Door lock fuse 25a
• Drl 2 relay
• Ecu-b fuse 7.5a
• Efi 1 fuse 20a
• Efi relay
• Engine control module (behind right side of dash)
• Engine controls system
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Engine room r/b 3 (on right front of engine compt)
• Excd
• Exterior lights system
• F12
• F13
• From center j/b (diagram 3 of 4)
• From fusible link block (diagram 1 of 4)
• From main fuse g (diagram 2 of 4)
• Garage door opener, instrument cluster system, interior lights system, body computer system, door locks system, warning system, anti-theft system & navigation system
• Hazard fuse 15a
• Headlamp relay
• Horn fuse 10a
• Horn relay
• Inverter relay
• Junction connector j12 (on left rear of vehicle)
• Junction connector j2 (behind left headlight)
• Main fuse 40a
• Main switch
• Power outlet
• Power outlet2 fuse 20a
• Rad 1 fuse 25a
• Red
• Security fuse 15a
• Short pin
• Sound systems
• Starting/ charging system
• To short pin (diagram 2 of 4)
• Towing fuse 20a
• Voltage inverter (center of vehicle)
• W/ rear seat entertainment system

Power Distribution Wiring Diagram (3 of 4) for Toyota Highlander 2004

List of elements for Power Distribution Wiring Diagram (3 of 4) for Toyota Highlander 2004:

• A10
• Acc
• Air conditioning system, cooling fans system & defogger system
• Am1
• Am2
• Anti-lock brakes system
• Anti-theft system, shift interlock system & navigation system
• Center j/b (behind upper center of dash)
• Cruise control system, exterior lights system & transmissions system
• D10
• Defogger system
• Door locks system & power windows system
• Ecu-ig fuse 10a
• Engine controls system
• Engine room r/b (on left side of engine compt)
• Exterior lights system
• From am1 fuse (diagram 1 of 4)
• From am2 fuse (diagram 1 of 4)
• From wiper fuse (diagram 3 of 4)
• Headlights system, interior lights system, warning system, power windows system, door locks system & anti-theft system
• Heater fuse 10a
• Ig1
• Ig1 fuse 7.5a
• Ig2
• Ig2 fuse 15a
• Ign fuse 10a
• Ignition switch
• Instrument panel j/b (behind left side of dash)
• K10
• K13
• Lock
• Mirrors system & power tops system
• Navigation system
• Off
• On off
• Red
• Rr wip fuse 15a
• Seats system
• St1
• St2
• Start
• Starter fuse 7.5a
• Starter relay
• Starting/ charging system
• Starting/ charging system & engine controls system
• To ig1 fuse (diagram 3 of 4)
• To main switch (diagram 2 of 4)
• To radio 2 fuse (diagram 4 of 4)
• Washer fuse 20a
• Wiper fuse 25a
• Wiper/ washer system

Power Distribution Wiring Diagram (4 of 4) for Toyota Highlander 2004

List of elements for Power Distribution Wiring Diagram (4 of 4) for Toyota Highlander 2004:

• Acc relay
• Air conditioning system & sound systems
• Bc (left side of rear crossmember)
• Center j/b (behind upper center of dash)
• Cig fuse 15a
• Cigarette lighter
• D14
• F13
• From ignition switch (diagram 3 of 4)
• From instrument panel j/b (diagram 1 of 4)
• Front power outlet
• Headlights system, interior lights system, body computer system, warning system, power windows system, door locks system, anti-theft system, shift interlock system, mirrors system & navigation system
• Ia (at left kick panel)
• Ib (at right dash brace)
• Ib (right instrument panel brace)
• Instrument panel j/b (behind left side of dash)
• Junction connector j12 (on left rear of vehicle)
• Pnk
• Power outlet1 fuse 15a
• Rad 2 fuse 7.5a
• Rear power outlet
• Sound systems

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, with Keyless Entry (1 of 2) for Toyota Highlander 2004

List of elements for Power Door Locks Wiring Diagram, with Keyless Entry (1 of 2) for Toyota Highlander 2004:

• Ba (at left center pillar)
• Bb (at right center pillar)
• Bdr
• Computer data lines system
• Cpub
• Door lock control switch
• Gnd
• H11
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Ia (at left kick panel)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 13 (on left rear of vehicle)
• Junction connector 6 (left side of dash, behind instrument cluster)
• K10
• Kul
• Left front door courtesy switch (left "b" pillar)
• Left front door lock motor, door unlock detection switch & door key lock & unlock switch (in left front door)
• Left rear door courtesy switch (on left "c" pillar)
• Left rear door lock motor & door unlock detection switch (in left rear door)
• Lssr
• Lsw
• Lswe
• Mpx1
• Mpx2
• P fr door fuse 20a
• Passenger side j/b (behind right side of dash)
• Pnk
• Power window master switch w/ ecu (in driver's door)
• Radio 2 fuse 7.5a
• Red
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Right rear door lock motor & door unlock detection switch (in right rear door)
• Sig
• Unlock warning switch (in steering column)
• Wireless door lock buzzer (on left rear of engine compt)

Power Door Locks Wiring Diagram, with Keyless Entry (2 of 2) for Toyota Highlander 2004

List of elements for Power Door Locks Wiring Diagram, with Keyless Entry (2 of 2) for Toyota Highlander 2004:

• (at right rear corner of vehicle) bf
• A10
• Acc
• Act+
• Act-
• Act- back door lock motor & door unlock detection switch (in back door)
• Actd
• B10
• B11
• B12
• Bcty
• Bdr1
• Becu
• Body ecu (behind right side of dash)
• Bzr
• Center j/b (behind upper center of dash)
• Computer data lines system
• D12
• D13
• Dcty
• Dome fuse 10a
• Door lock fuse 25a
• Door unlock detection switch & door key lock & unlock switch (in right front door)
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Exterior lights system
• G10
• Gnd1
• Haz
• Hot at all times
• Ia (at left kick panel)
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• Junction connector 10 (on left rear of vehicle)
• Junction connector 12 (on left rear of vehicle)
• Junction connector 14 (on left rear of vehicle)
• Junction connector 18 (at rear of vehicle)
• Junction connector 19 (at rear of vehicle)
• Junction connector 5 (left side of dash, behind instrument cluster)
• Ksw
• Lssr
• Lswa
• Lswp
• Mpx1
• Mpx2
• Obd2
• Passenger side j/b (behind right side of dash)
• Pcty
• Pkl
• Pkul
• Pml
• Pmul
• Prg
• Rcty
• Rda
• Rear interior light switch
• Red
• Right front door lock motor,
• Wireless door lock ecu (on right side of luggage compt)

Power Door Locks Wiring Diagram, without Keyless Entry (1 of 2) for Toyota Highlander 2004

List of elements for Power Door Locks Wiring Diagram, without Keyless Entry (1 of 2) for Toyota Highlander 2004:

• (at left kick panel) ia
• (behind right side of dash) passenger side j/b
• Ba (at left center pillar)
• Back door key lock & unlock switch
• Bb (at right center pillar)
• Bdr
• Cpub
• Door lock control switch
• Gnd
• H11
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Ia (at left kick panel)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• Junction connector (on left rear of vehicle)
• Junction connector 14 (on left rear of vehicle)
• Junction connector 6 (left side of dash, behind instrument cluster)
• K10
• Kul
• Left front door courtesy switch (left "b" pillar)
• Left front door lock motor, door unlock detection switch & door key lock & unlock switch (in left front door)
• Left rear door courtesy switch (on left "c" pillar)
• Left rear door lock motor & door unlock detection switch (in left rear door)
• Lssr
• Lsw
• Lswe
• Mpx1
• Mpx2
• Option connector 1 (w/o anti-theft) (behind left kick panel)
• P fr door fuse 20a
• Passenger side j/b (behind right side of dash)
• Pnk
• Power window master control switch w/ ecu (in driver's door)
• Radio 2 fuse 7.5a
• Red
• Right front door courtesy switch (right "b" pillar)
• Right rear door courtesy switch (right "c" pillar)
• Right rear door lock motor & door unlock detection switch (in right rear door)
• Sig
• Unlock warning switch (in steering column)

Power Door Locks Wiring Diagram, without Keyless Entry (2 of 2) for Toyota Highlander 2004

List of elements for Power Door Locks Wiring Diagram, without Keyless Entry (2 of 2) for Toyota Highlander 2004:

• (w/o anti-theft)
• A10
• Acc
• Act+
• Act-
• Act- back door lock motor & door unlock detection switch (in back door)
• Actd
• B10
• B11
• B12
• Bcty
• Bdr1
• Becu
• Body ecu (behind right side of dash)
• Center j/b (behind upper center of dash)
• Computer data lines system
• Dcty
• Door lock fuse 25a
• Door unlock detection switch & door key lock & unlock switch (in right front door)
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• G10
• Gnd1
• Hot at all times
• Ia (at left kick panel)
• Instrument panel j/b (behind left side of dash)
• Junction connector 10 (on left rear of vehicle)
• Junction connector 12 (on left rear of vehicle)
• Junction connector 14 (on left rear of vehicle)
• Junction connector 5 (left side of dash, behind instrument cluster)
• Ksw
• Lssr
• Lswa
• Lswp
• Mpx1
• Mpx2
• Obd2
• Passenger side j/b (behind right side of dash)
• Pcty
• Pkl
• Pkul
• Pml
• Pmul
• Rcty
• Rear interior light switch
• Red
• Right front door lock motor,

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Toyota Highlander 2004

List of elements for Electrochromic Mirror Wiring Diagram for Toyota Highlander 2004:

• D14
• Gnd
• Gnd5
• Hot in on or start
• Ia (at left kick panel)
• Ic (at right kick panel)
• Ig1
• Ig1 fuse 7.5a
• Inner mirror
• Instrument panel j/b (behind left side of dash)
• Overhead j/b (front of roof panel)
• Passenger side j/b (behind right side of dash)

Power Mirrors Wiring Diagram for Toyota Highlander 2004

List of elements for Power Mirrors Wiring Diagram for Toyota Highlander 2004:

• Center j/b (behind upper center of dash)
• Defogger system
• Down
• E11
• F13
• Hot in acc or on
• Ib (at right dash brace)
• Instrument panel j/b (behind left side of dash)
• Left
• Left remote control mirror
• Left/ up
• Operation switch
• Passenger side j/b (behind right side of dash)
• Pnk
• Radio 2 fuse 7.5a
• Red
• Remote control mirror switch
• Right
• Right remote control mirror
• Right/ down
• Select switch

POWER SEATS

Driver Power Seat Wiring Diagram for Toyota Highlander 2004

List of elements for Driver Power Seat Wiring Diagram for Toyota Highlander 2004:

• Ba (at left center pillar)
• Down
• Driver's power seat control switch
• Front
• Front tilt
• G11
• Hot at all times
• Instrument panel j/b (behind left side of dash)
• J21
• J22
• Junction connector 21 & 22 (below driver's seat)
• Pnk
• Power fuse 30a
• Power seat control switch (driver's seat lumbar support control)
• Power seat motor (driver's seat lifter control) (in driver's seat)
• Power seat motor (driver's seat lumbar support control) (below driver's seat)
• Power seat motor (driver's seat reclining control) (below driver's seat)
• Power seat motor (driver's seat slide control) (in driver's seat)
• Power seat motor (driver's seat tilt control) (in driver's seat)
• Rear
• Rear lifter
• Reclining
• Red c
• Slide

Heated Seats Wiring Diagram for Toyota Highlander 2004

List of elements for Heated Seats Wiring Diagram for Toyota Highlander 2004:

• (at left center pillar) ba
• (at right center pillar) bb
• (in dash harness, at top right side of dash)
• Center j/b (behind upper center of dash)
• F13
• Hot at all times
• Hot in on or start
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J21
• J22
• J23
• J24
• Junction connector 21 & 22 (below driver's seat)
• Junction connector 23 & 24 (below right front seat)
• Left seat heater (in driver's seat)
• Left seat heater switch
• Passenger side j/b (behind right side of dash)
• Pnk b
• R/b 1 (left of instrument panel j/b)
• Red
• Red b
• Right seat heater (in right front seat)
• Right seat heater switch
• Seat heater relay
• Seat htr fuse 15a
• W/ power seat
• W/o power seat

Passenger Power Seat Wiring Diagram for Toyota Highlander 2004

List of elements for Passenger Power Seat Wiring Diagram for Toyota Highlander 2004:

• Bb (at right center pillar)
• D13
• Front
• Front passenger's power seat control switch
• Hot at all times
• Instrument panel j/b (behind left side of dash)
• J/c 23 & 24 (below right front seat)
• J23
• J24
• J24 a
• Pnk
• Power fuse 30a
• Power seat motor (front passenger's seat reclining control) (in right front seat)
• Power seat motor (front passenger's seat slide control) (in right front seat)
• Rear
• Reclining
• Slide

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Toyota Highlander 2004

List of elements for Power Top/Sunroof Wiring Diagram for Toyota Highlander 2004:

• +b1
• Computer data lines system
• Cty
• D14
• Down
• Dwn
• Ecu-b fuse 7.5a
• Ecub
• Engine room j/b (on left side of engine compt)
• G10
• Gnd
• Hot at all times
• Hot in on or start
• Ia (at left kick panel)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Ig3
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/c 17 (behind left side of dash)
• Ls1
• Ls2
• Moon roof motor
• Mpx1
• Overhead j/b (front of roof panel)
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• S/roof fuse 20a
• Sliding roof control ecu (on front of sliding roof)

POWER WINDOWS

Power Windows Wiring Diagram for Toyota Highlander 2004

List of elements for Power Windows Wiring Diagram for Toyota Highlander 2004:

• A10
• Acc
• B10
• B11
• B12
• Ba (at left center pillar)
• Bb (at right center pillar)
• Bdr
• Becu
• Body ecu (behind right side of dash)
• Center j/b (behind upper center of dash)
• Computer data lines system
• Cpub
• D fr door fuse 25a
• D rr door fuse 20a
• D12
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• F13
• G10
• Gnd
• Gnd1
• Gnd2
• H11
• Hot at all times
• Hot in acc or on
• Hot in on or start
• I10
• I11
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• K10
• Kul
• L10
• Left front door key lock & unlock switch (in left front door)
• Left front power window motor (in left front door)
• Left rear power window motor (in left rear door)
• Left rear power window switch
• Limit switch
• Lmt
• Lswe
• Mpx1
• Mpx2
• P fr door fuse 20a
• P rr door fuse 20a
• Passenger side j/b (behind right side of dash)
• Pct
• Pls
• Pnk
• Power window master switch with ecu (in driver's door)
• Pulse sensor
• Pws
• Radio 2 fuse 7.5a
• Red
• Right front power window motor (in right front door)
• Right front power window switch
• Right rear power window motor (in right rear door)
• Right rear power window switch
• Rld
• Rlu
• Rrd
• Rru
• Sgnd
• Sig

RADIO

6-Speaker System Wiring Diagram for Toyota Highlander 2004

List of elements for 6-Speaker System Wiring Diagram for Toyota Highlander 2004:

• (in left rear of vehicle) rear antenna amplifier
• A13
• Acc+b
• Bu+b
• Center j/b (behind upper center of dash)
• Engine room j/b (on left side of engine compt)
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Hot at all times
• Hot in acc or on
• Ib (at right dash brace)
• Ill
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• Left front door speaker
• Left rear door speaker
• Left tweeter
• Passenger side j/b (behind right side of dash)
• Pnk
• Radio & player
• Radio 1 fuse 25a
• Radio 2 fuse 7.5a
• Red
• Right front door speaker
• Right rear door speaker
• Right tweeter
• Rl+
• Rl-
• Rr+
• Rr-

8-Speaker System Wiring Diagram (1 of 2) for Toyota Highlander 2004

List of elements for 8-Speaker System Wiring Diagram (1 of 2) for Toyota Highlander 2004:

• (at right rear corner of vehicle) bf
• (in left rear of vehicle) rear antenna amplifier
• A13
• Acc
• Amp+
• Ant+
• Au1
• Au2
• Aui+
• Aui-
• Auo+
• Auo-
• Bb (at right center pillar)
• Beep
• C16
• Center j/b (behind upper center of dash)
• Combination switch
• Eau
• Engine room j/b (on left side of engine compt)
• Fl+
• Fl-
• Fr+
• Fr-
• Front antenna amplifier (behind center of dash)
• Gmd
• Gnd
• Hot at all times
• Hot in acc or on
• Ib (at right dash brace)
• Ill
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/c 18 (at rear of vehicle)
• J/c 19 (at rear of vehicle)
• Left front door speaker
• Left rear door speaker
• Left tweeter
• Mode
• Mute
• Navigation ecu (w/ navigation) (below driver's seat)
• Nca
• Passenger side j/b (behind right side of dash)
• Pnk
• R22
• R23
• Radio & player
• Radio 1 fuse 25a
• Radio 2 fuse 7.5a
• Red
• Right front door speaker
• Right rear door speaker
• Right tweeter
• Rl+
• Rl-
• Rmu
• Rr+
• Rr-
• Rsl+
• Rsl-
• Rsr+
• Rsr-
• S22
• S23
• Seek+
• Seek-
• Sgnd
• Sld
• Sld1
• Stereo component amplifier
• Sw1
• Sw2
• Tx+
• Tx-
• Tx1+
• Tx1-
• Volume+
• Volume-
• W/o navigation

8-Speaker System Wiring Diagram (2 of 2) for Toyota Highlander 2004

List of elements for 8-Speaker System Wiring Diagram (2 of 2) for Toyota Highlander 2004:

• (at right rear corner of vehicle) bf
• (auxl)
• (auxr)
• (nts4)
• (sg6)
• (sg7)
• (sgn5)
• (tx+)
• (tx-)
• (w/ rear seat entertainment)
• +b1
• +b2
• Acc
• Acc2
• Al+
• Al-
• Ar+
• Ar-
• Auxl
• Auxr
• Crt fuse 7.5a
• Engine room r/b (on left side of engine compt)
• Gaux
• Gnd
• Gnd1
• Hot at all times
• Hp1l
• Hp1r
• Hp2l
• Hp2r
• Hpl+
• Hpl-
• Hpr+
• Hpr-
• J/c 17 (behind left side of dash)
• J/c 18 (at rear of vehicle)
• Lmut
• Multi-display
• Mute
• Nca
• Nts1
• Nts2
• Ntsc
• Pnk
• R-l+
• R-l-
• R-r+
• R-r-
• R29
• R30
• R31
• Rear seat entertainment display
• Rear seat entertainment ecu (rear of vehicle)
• Red
• Rmut
• Seld
• Sg1
• Sg2
• Sg3
• Sg4
• Sg5
• Sg6
• Sg9
• Sgd1
• Sgn1
• Sgn2
• Sgnd
• Sld
• Sld1
• Syn2
• Sync
• Tx+
• Tx-
• Tx2+
• Tx2-
• Tx3+
• Tx3-
• Vg2
• Video terminal
• Vr2
• W/ rear seat entertainment
• W/o rear seat entertainment

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Toyota Highlander 2004

List of elements for Shift Interlock Wiring Diagram for Toyota Highlander 2004:

• Acc
• Center j/b (behind upper center of dash)
• Ecu-ig fuse 10a
• F13
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Ib (at right dash brace)
• Ic (at right kick panel)
• Instrument panel j/b (behind left side of dash)
• Key interlock solenoid (in steering column)
• Kls+
• Nca
• Passenger side j/b (behind right side of dash)
• Pnk
• Radio 2 fuse 7.5a
• Red
• Shift lock control switch
• Shift lock ecu (at base of shifter lever)
• Shift lock solenoid
• Sls+
• Sls-
• Stop fuse 20a
• Stoplight switch (above brake pedal)
• Stp

STARTING/CHARGING

Charging Wiring Diagram for Toyota Highlander 2004

List of elements for Charging Wiring Diagram for Toyota Highlander 2004:

• Alt fuse 140a
• Alt-s fuse 7.5a
• Battery
• Battery ground
• C11
• C12
• Center j/b (behind upper center of dash)
• Charge ind
• Combination meter
• Computer data lines system
• Ecu-ig fuse 10a
• Engine control module (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Fusible link block (on left side of engine compt)
• Generator
• Heater fuse 10a
• Hot in on or start
• Instrument panel j/b (behind left side of dash)
• K13
• Nca
• Pnk
• Red
• Starting circuit

Starting Wiring Diagram for Toyota Highlander 2004

List of elements for Starting Wiring Diagram for Toyota Highlander 2004:

• Acc
• Alt fuse 140a
• Am1
• Am1 fuse 40a
• Am2
• Am2 fuse 30a
• Battery
• Battery ground
• E7 (3.0l: in engine compt harness, at rear of engine) (2.4l: in engine compt harness, at left side of engine compt)
• Engine control module (behind right side of dash)
• Engine room r/b (on left side of engine compt)
• Fusible link block (on left side of engine compt)
• Ignition switch
• Instrument panel j/b (behind left side of dash)
• J/c 2 (behind left headlight)
• Lock
• Nca
• Nsw
• Off
• P/n
• Park/neutral position switch (2.4l: on transmission) (3.0l: on left side of transmission)
• St1
• St2
• Sta
• Start
• Starter
• Starter fuse 7.5a
• Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram, with Side Airbag (1 of 2) for Toyota Highlander 2004

List of elements for Supplemental Restraints Wiring Diagram, with Side Airbag (1 of 2) for Toyota Highlander 2004:

• (front
• (steering wheel pad)
• +sl
• +sr
• -sl
• -sr
• A16
• A17
• A18
• Air bag sensor assembly (below front of center console)
• Computer data lines system
• Csl+
• Csl-
• Csr+
• Csr-
• D14
• D2+
• D2-
• Escl
• Escr
• Esl
• Esr
• Fsr+
• Fsr-
• Hot in on or start
• Ia (at left kick panel)
• Icl+
• Icl-
• Icr+
• Icr-
• Ig2
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash, behind instrument cluster)
• Lbe+
• Lbe-
• Left airbag squib
• Left buckle switch/seat
• Left curtain shield airbag squib
• Left front airbag sensor
• Left front side airbag sensor
• Left pretensioner
• Left rear side airbag sensor
• Left side airbag squib
• Lsp+
• Lsp-
• Mpx1
• Mpx2
• P-ab
• P2+
• P2-
• Paon
• Passenger airbag assembly)
• Passenger side j/b (behind right side of dash)
• Pl+
• Pl-
• Pnk
• Position airbag sensor
• Pr+
• Pr-
• Red
• Right airbag squib
• Right curtain shield airbag squib
• Right front airbag sensor
• Right front side airbag sensor
• Right pretensioner
• Right rear side airbag sensor
• Right side airbag squib
• Sfl+
• Sfl-
• Sfr+
• Sfr-
• Sil
• Ssl+
• Ssl-
• Ssr+
• Ssr-
• Vucl
• Vucr
• Vupl
• Vupr

Supplemental Restraints Wiring Diagram, with Side Airbag (2 of 2) for Toyota Highlander 2004

List of elements for Supplemental Restraints Wiring Diagram, with Side Airbag (2 of 2) for Toyota Highlander 2004:

• (at right dash brace
• A10
• A12
• Airbag indicator
• Airbag off
• Airbag on
• B12
• Bf (right rear corner of vehicle)
• Bgnd
• Bsw
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• Data link connector 3 (under left side of dash)
• Dia
• E11
• Ecu-b fuse 7.5a
• Engine room j/b (left side of engine compt)
• F10
• F13
• Front passenger's buckle switch
• Fsr+
• Fsr-
• G10
• Gnd
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 16 (right kick panel)
• J/c 17 (behind left side of dash)
• J/c 18 (at rear of vehicle)
• K10
• K13
• Left front occupant classification sensor
• Left rear occupant classification sensor
• Occupant classification ecu (below right front seat)
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Right front occupant classification sensor
• Right rear occupant classification sensor
• Sgd1
• Sgd2
• Sgd3
• Sgd4
• Sig1
• Sig2
• Sig3
• Sig4
• Svc1
• Svc2
• Svc3
• Svc4
• Telltale light assembly

Supplemental Restraints Wiring Diagram, without Side Airbag (1 of 2) for Toyota Highlander 2004

List of elements for Supplemental Restraints Wiring Diagram, without Side Airbag (1 of 2) for Toyota Highlander 2004:

• (front
• (steering wheel pad) left airbag squib
• +sl
• +sr
• -sl
• -sr
• A16
• A17
• A18
• Air bag sensor assembly (below front of center console)
• Computer data lines system
• D14
• D2+
• D2-
• Fsr+
• Fsr-
• Hot in on or start
• Ia (at left kick panel)
• Ig2
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash, behind instrument cluster)
• Lbe+
• Lbe-
• Left buckle switch/ seat position airbag sensor
• Left front airbag sensor
• Left pretensioner
• Lsp+
• Lsp-
• Mpx1
• Mpx2
• P-ab
• P2+
• P2-
• Paon
• Passenger airbag assembly) right airbag squib
• Passenger side j/b (behind right side of dash)
• Pl+
• Pl-
• Pnk
• Pr+
• Pr-
• Red
• Right front airbag sensor
• Right pretensioner
• Sil

Supplemental Restraints Wiring Diagram, without Side Airbag (2 of 2) for Toyota Highlander 2004

List of elements for Supplemental Restraints Wiring Diagram, without Side Airbag (2 of 2) for Toyota Highlander 2004:

• (at right dash brace)
• A10
• A12
• Airbag indicator
• Airbag off
• Airbag on
• B12
• Bf (right rear corner of vehicle)
• Bgnd
• Bsw
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• Data link connector 3 (under left side of dash)
• Dia
• E11
• Ecu-b fuse 7.5a
• Engine room j/b (left side of engine compt)
• F10
• F13
• Front passenger's buckle switch
• Fsr+
• Fsr-
• G10
• Gnd
• Heater fuse 10a
• Hot at all times
• Hot in on or start
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 16 (right kick panel)
• J/c 17 (behind left side of dash)
• J/c 18 (at rear of vehicle)
• K10
• K13
• Left front occupant classification sensor
• Left rear occupant classification sensor
• Occupant classification ecu (below right front seat)
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Right front occupant classification sensor
• Right rear occupant classification sensor
• Sgd1
• Sgd2
• Sgd3
• Sgd4
• Sig1
• Sig2
• Sig3
• Sig4
• Svc1
• Svc2
• Svc3
• Svc4
• Telltale light assembly

TRANSMISSION

2.4L

2.4L, A/T Wiring Diagram (1 of 4) for Toyota Highlander 2004

List of elements for 2.4L, A/T Wiring Diagram (1 of 4) for Toyota Highlander 2004:

• +b2
• A/t indicator switch (left side of trans)
• Accel position sensor (above accelerator pedal)
• Batt
• Computer data lines system
• Ee (intake side of cyl block)
• Ef (left side of cyl block)
• Efi 1 fuse 20a
• Efi main relay
• Eh (under left headlight)
• Engine control module (ecm) (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Epa
• Epa2
• Ge01
• Hot at all times
• Hot in on & start
• I7 (dash harn, at right end of dash)
• Ig1 fuse 7.5a
• Igsw
• Instrument panel j/b (behind left side of dash)
• J/c 2
• J/c 6 (left side of dash)
• J/c 7 (behind right side of dash)
• L11
• Me01
• Mrel
• Nca
• Odms
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sil
• Tach
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Wfse

2.4L, A/T Wiring Diagram (2 of 4) for Toyota Highlander 2004

List of elements for 2.4L, A/T Wiring Diagram (2 of 4) for Toyota Highlander 2004:

• (in eng harn, rear of eng) e14
• (on transmission) park/neutral position switch
• (top of eng)
• Center j/b (behind upper center of dash)
• Counter gear speed sensor (left side of engine compt)
• Dome fuse 10a
• Dsl
• E05
• E06
• E7 (engine harn, (left side of eng compt)
• Ecu-b fuse 7.5a
• Efi 2 fuse 10a
• Engine control module (ecm) (behind right side of dash)
• Engine controls system
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Heater fuse 10a
• Hot at all times
• Hot in on & start
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash)
• K13
• M12
• Nc+
• Nc-
• Nt+
• Nt-
• P/n
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Stop fuse 10a
• Stoplight switch (above brake pedal)
• Th0
• Turbine speed sensor (on side of trans- mission)

2.4L, A/T Wiring Diagram (3 of 4) for Toyota Highlander 2004

List of elements for 2.4L, A/T Wiring Diagram (3 of 4) for Toyota Highlander 2004:

• A/t oil temp ind
• Anti-lock brakes system
• B12
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• D11
• Dsl
• Ect snow ind
• Electronically controlled transmission solenoid (in transmission)
• G10
• Ib (at right dash brace)
• Instrument panel j/b (behind left side of dash)
• Lcd
• O/d off
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Speedometer
• Tachometer
• Tho

2.4L, A/T Wiring Diagram (4 of 4) for Toyota Highlander 2004

List of elements for 2.4L, A/T Wiring Diagram (4 of 4) for Toyota Highlander 2004:

• (in eng hard, rear of eng) e9
• (left side of cyl block) ef
• (near air cleaner housing, on air duct) mass airflow meter
• (on throttle body) throttle position sensor
• +bm
• B10
• Body ecu (behind right side of dash)
• Center jab (behind upper center of dash)
• Computer data lines system
• E01
• E02
• E2g
• Electronically controlled transmission pattern select switch
• Engine control module (ecm) (behind right side of dash)
• Engine controls system
• Engine coolant temperature sensor (top front of eng)
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• F13
• Hot at all times
• Ibc (at right dash brace)
• Instrument panel jab (behind left side of dash)
• Mpx1
• Mpx2
• Nsw
• Pnk
• Red
• S/c 28, 29 (behind right side of dash)
• S28
• S29
• Snow
• Spd
• Sta
• Stp
• Tha
• Thw
• Transmission control switch
• Vta1
• Vta2

3.3L

3.3L, A/T Wiring Diagram (1 of 4) for Toyota Highlander 2004

List of elements for 3.3L, A/T Wiring Diagram (1 of 4) for Toyota Highlander 2004:

• (top of eng) ed
• +b2
• A/t indicator switch (left side of trans)
• Accel position sensor (above accelerator pedal)
• Batt
• Computer data lines system
• E03
• Efi 1 fuse 20a
• Efi main relay
• Eh (under left headlight)
• Engine control module (ecm) (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Epa
• Epa2
• Ge01
• Hot at all times
• Hot in on & start
• I7 (dash harn, at right end of dash)
• Ig1 fuse 7.5a
• Igsw
• Instrument panel j/b (behind left side of dash)
• J/c 17 (behind left side of dash)
• J/c 2
• J/c 6 (left side of dash)
• J/c 7 (behind right side of dash)
• L11
• Me01
• Mrel
• Nca
• Odms
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sil
• Tach
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Wfse

3.3L, A/T Wiring Diagram (2 of 4) for Toyota Highlander 2004

List of elements for 3.3L, A/T Wiring Diagram (2 of 4) for Toyota Highlander 2004:

• (in eng harn, rear of eng) e14
• (on left side of transmission) park/neutral position switch
• (top of eng)
• Center j/b (behind upper center of dash)
• Counter gear speed sensor (left side of engine compt)
• Dome fuse 10a
• Dsl
• E05
• E06
• E7 (engine harn, rear of engine)
• Ecu-b fuse 7.5a
• Efi 2 fuse 10a
• Engine control module (ecm) (behind right side of dash)
• Engine controls system
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• Heater fuse 10a
• Hot at all times
• Hot in on & start
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash)
• K13
• M12
• Nc+
• Nc-
• Nt+
• Nt-
• P/n
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Sl3+
• Sl3-
• Slt+
• Slt-
• Stop fuse 10a
• Stoplight switch (above brake pedal)
• Th01
• Turbine speed sensor (on side of trans- mission)

3.3L, A/T Wiring Diagram (3 of 4) for Toyota Highlander 2004

List of elements for 3.3L, A/T Wiring Diagram (3 of 4) for Toyota Highlander 2004:

• A/t oil temp ind
• Anti-lock brakes system
• B12
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• Computer data lines system
• D11
• Dsl
• Ect snow ind
• Electronically controlled transmission solenoid (in transmission)
• G10
• Ib (at right dash brace)
• Instrument panel j/b (behind left side of dash)
• Lcd
• O/d off
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Sl3+
• Sl3-
• Slt+
• Slt-
• Speedometer
• Tachometer
• Tho

3.3L, A/T Wiring Diagram (4 of 4) for Toyota Highlander 2004

List of elements for 3.3L, A/T Wiring Diagram (4 of 4) for Toyota Highlander 2004:

• (in eng harn, rear of eng) e14
• (left rear of eng compt) mass airflow meter
• (side of throttle body) throttle control motor & sensor
• (top of engine) ed
• +bm
• B10
• Body ecu (behind right side of dash)
• Center j/b (behind upper center of dash)
• Computer data lines system
• E01
• E02
• E14
• E2g
• Electronically controlled transmission pattern select switch
• Engine control module (ecm) (behind right side of dash)
• Engine controls system
• Engine coolant temperature sensor (front center of eng)
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• F13
• Hot at all times
• Ib (at right dash brace)
• Instrument panel j/b (behind left side of dash)
• Mpx1
• Mpx2
• Nsw
• Pnk
• Red
• S/c 28, 29 (behind right side of dash)
• S28
• S29
• Snow
• Spd
• Sta
• Stp
• Tha
• Thw
• Transmission control switch & transmission shift main switch
• Vta1
• Vta2

WARNING SYSTEMS

Warning Systems Wiring Diagram for Toyota Highlander 2004

List of elements for Warning Systems Wiring Diagram for Toyota Highlander 2004:

• A/c control assembly
• A10
• A11
• A16
• A17
• A18
• Acc
• Air bag sensor assembly (below front of center console)
• B10
• B11
• B12
• Becu
• Bgnd
• Body ecu (behind right side of dash)
• Bsw
• Buckle switch (front passenger's side) (in passenger's seat belt buckle)
• Buzzer
• C11
• C12
• Center j/b (behind upper center of dash)
• Combination meter
• D11
• Dcty
• Dome fuse 10a
• Door ind
• Driver's seat belt ind
• Ecu-b fuse 7.5a
• Engine control module (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Fsr+
• Fsr-
• G10
• Gateway ecu (behind right side of dash)
• Heater fuse 10a
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ib (at right dash brace)
• Ic (at right kick panel)
• Ig1 fuse 7.5a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash, behind instrument cluster)
• J12
• K10
• K13
• Ksw
• Lbe+
• Lbe-
• Left buckle switch (on driver's seat)
• Left front door courtesy switch (left "b" pillar)
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Occupant classification ecu (below right front seat)
• Passenger seat belt warning
• Passenger side j/b (behind right side of dash)
• Pnk
• Power window master switch with ecu (in driver's door)
• Radio 2 fuse 7.5a
• Red
• Right front occupant classification sensor (in right front seat)
• S30
• S31
• Sgd2
• Short connector (behind left side of dash)
• Sig2
• Svc2
• Unlock warning switch (in steering column)
• W/ curtain shield air bag
• W/ navigation
• W/o curtain shield air bag
• W/o navigation

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Toyota Highlander 2004

List of elements for Front Wiper/Washer Wiring Diagram for Toyota Highlander 2004:

• (behind right side of dash) passenger side j/b
• (left side of dash, behind instrument cluster) j/c 6
• (right front of engine compt) front washer motor
• C11
• C12
• C14
• Combination meter
• Combination switch
• D14
• Front washer switch
• Front wiper motor (on left rear of engine compt)
• Front wiper switch
• High
• Hot in on or start
• Ia (at left kick panel)
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• Int
• Int time
• Junction connector 3 (on right side of engine compt)
• Low
• Off
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Solid state
• Washer fuse 20a
• Washer level ind
• Washer level sensor (right front of engine compt)
• Wiper fuse 25a

Rear Wiper/Washer Wiring Diagram for Toyota Highlander 2004

List of elements for Rear Wiper/Washer Wiring Diagram for Toyota Highlander 2004:

• C14
• Combination switch
• D14
• Hot in on or start
• Ia (at left kick panel)
• Instrument panel j/b (behind left side of dash)
• Int
• Off
• Passenger side j/b (behind right side of dash)
• Pnk
• Rear washer motor (right front of engine compt)
• Rear wiper & washer switch
• Rear wiper motor (in rear door)
• Rr wip fuse 15a
• Washer 1
• Washer 2
• Washer fuse 20a