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Air Conditioning — Toyota 4Runner Trail 2012 Wiring Diagram

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Toyota 4Runner Trail 2012

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Toyota 4Runner Trail 2012:

A/c amplifier assembly (center of dash)
A/c blower assembly (center right of dash)
A/c comp fuse 10a
A/c comp relay
A/c evaporator temperature sensor
A/c tube & accessory assembly (center front of engine compt)
A14
A2 (right front of engine compt)
A26
A27
A32
A66
Ab1
Ac1
B bus
B26
B39
B49
B50
B55
B63
Bf2
Bus
Bus g
C19
Canh
Canl
Color (green) connector housing
Computer data lines system
Connector housing color (black)
Connector housing color (red)
Cooler (ambient temperature sensor) thermistor (behind left side of front grille)
D11
Damper servo motor (air inlet)
Damper servo motor (air mix driver side)
Damper servo motor (air mix front passenger side)
Damper servo motor (air vent mode)
Driver side j/b assembly (left end of dash)
Ecu-ig 2 fuse 10a
Engine room r/b assembly (left side of engine compt)
F42
Fa1
Gnd
Heater control assembly
Hot at all times
Hot in on or start
Ig+
Ig1 fuse 7.5a
Ill+
Ill-
Interior lights system
J/b 4 (left side of dash)
J/b 5 (center of dash)
J/c a37 (left side of engine compt)
J/c f64 (center left of dash)
Lin1
Lock
Magnet clutch compressor assembly (left front of engine)
Magnetic clutch
Mg+
Mgc
Mhtr
Mir htr relay
Pnk
Pre
Pressure switch
Ptc1
Ptc3
Red
Sensor lock
Sg-2
Sg-3
Ssr+
Ssr-
Tam
Z14

Automatic A/C Wiring Diagram (2 of 2) for Toyota 4Runner Trail 2012

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Toyota 4Runner Trail 2012:

(center right of dash) blower w/ fan motor sub-assembly
A/c amplifier assembly (center of dash)
A/c fuse 7.5a
A1 (left front of engine compt)
A24
A96
Ac1
Act
Alt
Automatic light control sensor (top center of dash)
B37
B38
Blw
C38
Ca1
Canh
Canl
Computer data lines system
Cooler (room temperature sensor) thermistor (center left of dash)
Def relay
Defogger system
Deicer relay
Driver side j/b assembly (left end of dash)
Ecm (right end of dash)
Efi engine coolant temperature sensor (rear of engine)
Engine room r/b 3 assembly (left side of engine compt)
Engine room r/b assembly (left side of engine compt)
Ethw
F42
F50
F85
F86
F87
Fa1
Fa2
Fa3
Fa5
Fdef
Fdfi
Fg1
Generator assembly (w/ ptc heater)
Gnd
Hot at all times
Htr fuse 50a
J/b 5 (center of dash)
J/c a38 (left side of engine compt)
J/c f63 (left kick panel)
J/c f65 (right kick panel)
Lin1
Pnk
Ptc htr 1 fuse 50a
Ptc htr 2 fuse 30a
Ptc htr 3 fuse 30a
Ptc relay 1 (if equipped)
Ptc relay 2 (if equipped)
Ptc relay 3 (if equipped)
Ptc2
Quick heater assembly (w/ ptc heater) (center left of dash)
Rdef
Red
Sg-1
Solar sensor
Sw 1
Thw
Tsd
Tsl
Tsp
Tsr

Manual A/C Wiring Diagram (1 of 2) for Toyota 4Runner Trail 2012

List of elements for Manual A/C Wiring Diagram (1 of 2) for Toyota 4Runner Trail 2012:

A/c amplifier assembly (center of dash)
A/c blower assembly (center right of dash)
A/c comp fuse 10a
A/c comp relay
A/c evaporator temperature sensor
A/c tube & accessory assembly (center front of engine compt)
A14
A2 (right front of engine compt)
A26
A27
A32
A66
Ab1
Ac1
B bus
B26
B39
B49
B50
B55
B63
Bf2
Bus
Bus g
C19
Canh
Canl
Color (green) connector housing
Computer data lines system
Connector housing color (black)
Connector housing color (red)
Cooler (ambient temperature sensor) thermistor (behind left side of front grille)
D11
Damper servo motor (air inlet)
Damper servo motor (air mix)
Damper servo motor (air vent mode)
Driver side j/b assembly (left end of dash)
Ecu-ig 2 fuse 10a
Engine room r/b assembly (left side of engine compt)
F42
Fa1
Gnd
Heater control assembly
Hot at all times
Hot in on or start
Ig+
Ig1 fuse 7.5a
Ill+
Ill-
Interior lights system
J/b 4 (left side of dash)
J/b 5 (center of dash)
J/c a37 (left side of engine compt)
J/c f64 (center left of dash)
Lin1
Lock
Magnet clutch compressor assembly (left front of engine)
Magnetic clutch
Mg+
Mgc
Mhtr
Mir htr relay
Pnk
Pre
Pressure switch
Ptc1
Ptc3
Red
Sensor lock
Sg-2
Sg-3
Ssr+
Ssr-
Tam
Z14

Manual A/C Wiring Diagram (2 of 2) for Toyota 4Runner Trail 2012

List of elements for Manual A/C Wiring Diagram (2 of 2) for Toyota 4Runner Trail 2012:

(center right of dash) blower w/ fan motor sub-assembly
A/c amplifier assembly (center of dash)
A/c fuse 7.5a
A1 (left front of engine compt)
A24
A96
Ac1
Act
Alt
B37
B38
Blw
C38
Ca1
Canh
Canl
Computer data lines system
Def relay
Defogger system
Deicer relay
Driver side j/b assembly (left end of dash)
Ecm (right end of dash)
Efi engine coolant temperature sensor (rear of engine)
Engine room r/b 3 assembly (left side of engine compt)
Engine room r/b assembly (left side of engine compt)
Ethw
F42
F50
F85
F86
F87
Fa1
Fa2
Fa3
Fa5
Fdef
Fdfi
Generator assembly (w/ ptc heater)
Gnd
Hot at all times
Htr fuse 50a
J/b 5 (center of dash)
J/c a38 (left side of engine compt)
J/c f63 (left kick panel)
J/c f65 (right kick panel)
Lin1
Pnk
Ptc htr 1 fuse 50a
Ptc htr 2 fuse 30a
Ptc htr 3 fuse 30a
Ptc relay 1 (if equipped)
Ptc relay 2 (if equipped)
Ptc relay 3 (if equipped)
Ptc2
Quick heater assembly (w/ ptc heater) (center left of dash)
Rdef
Red
Sw 1
Thw

AIR CONDITIONING – Toyota 4Runner Trail 2012 – SYSTEM WIRING DIAGRAMS