AIR CONDITIONING – Toyota 4Runner SR5 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Toyota 4Runner SR5 1999

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Toyota 4Runner SR5 1999:

• (cowl wire harness, top right side of dash) i19
• (left front fender) g102
• A/c amplifier (behind center of dash)
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A30
• A31
• Ac1
• Act
• Aif
• Air
• Air inlet control servo motor (behind right side of dash)
• Air vent mode control servo motor (behind center of dash)
• Amc
• Amh
• B/l
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Blower motor (behind right side of dash)
• Blower motor linear controller (behind right side of dash)
• Blower resistor (behind right side of dash)
• Blw
• C20
• C22
• Center j/b (behind left side of dash, right of steering column)
• Clk
• Control circuit
• Def
• Dpd
• Driver side j/b (on lower left side of dash)
• Ecu-b fuse 7.5a
• Engine room r/b (on left side of engine compartment, on inner fender panel)
• F/d
• Face
• Foot
• Fresh
• Gauge fuse 10a
• Gnd
• Heater control panel switch
• Heater fuse 50a
• Heater relay
• Hot at all times
• Hot in on or start
• I12 (cowl wire harness, top right side of dash)
• I5 (cowl wire harness, above left side of combination meter)
• I9 (cowl wire harness, right side of steering column)
• Ig+
• Ill+
• Ill-
• Illum
• Instrument cluster system
• Interior lights system
• J/c 1 & 2 (on left inner fender panel, front of strut tower)
• J/c 1 (on left inner fender panel, front of strut tower)
• Mgc
• Motor position switches
• Mfrs
• Mrec
• Pnk
• Psw
• Recirc
• Red
• Spd
• Stx
• Swd
• Tam
• Tpi
• Ver1

Automatic A/C Wiring Diagram (2 of 2) for Toyota 4Runner SR5 1999

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Toyota 4Runner SR5 1999:

• (cowl wire harness, above left side of combination meter) i5
• (cowl wire harness, behind center of dash) i16
• (cowl wire harness, right side of steering column) i9
• (cowl wire harness, top center of dash) i7
• A/c ambient temperature sensor (left front of engine compartment at grille)
• A/c dual pressure switch (on right rear of engine compartment)
• A/c magnetic clutch (on right front of engine)
• A/c magnetic clutch relay (behind right side of dash)
• A/c room temperature sensor (behind left side of dash)
• A/c solar sensor (top left side of dash)
• A/c thermistor (behind right side of dash)
• Ac1
• Act
• Air mix control servo motor & a/c water temperature sensor (behind center of dash)
• Center j/b (behind left side of dash, to right of steering column)
• Cool
• E16
• E17
• Engine control module (behind right side of dash)
• Extra high speed relay (behind right side of dash)
• G203 (right side kick panel)
• Gnd
• J/c 9 (behind top right side of dash)
• Mcool
• Mhot
• Pnk
• Red
• Warm

Heater Wiring Diagram for Toyota 4Runner SR5 1999

List of elements for Heater Wiring Diagram for Toyota 4Runner SR5 1999:

• (cowl wire harn, above glove box)
• (left front fender) g102
• Blower motor (behind right side of dash)
• Blower resistor (behind right side of dash)
• Blower switch
• C j1
• Driver side j/b (on lower left side of dash)
• Engine room r/b (on left side of engine compartment, on inner fender panel)
• G203 (right kick panel)
• Gauge fuse 10a
• Heater fuse 50a
• Heater relay
• Hot at all times
• Hot in on or start
• J/c 1 & 2 (on left inner fender panel, front of strut tower)
• J/c 1 (on left inner fender panel, front of strut tower)
• J/c 9 (behind top right side of dash)
• Off
• Red

Heater Wiring Diagram, Rear for Toyota 4Runner SR5 1999

List of elements for Heater Wiring Diagram, Rear for Toyota 4Runner SR5 1999:

• (rear heater sub wire harness, below right front seat)
• (rear heater sub wire harness, below right front seat) b8
• 0ff
• Center j/b (behind left side of dash, right of steering column)
• Driver side j/b (on lower left side of dash)
• Engine room r/b (on left side of engine compartment, on inner fender panel)
• G203 (right kick panel)
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• J/c 9 (behind top right side of dash)
• Pnk
• Rear heater blower motor (on rear heater unit)
• Rear heater blower resistor (on rear heater unit)
• Rear heater blower switch
• Rear heater relay (on rear heater unit)
• Rr htr fuse 10a

Manual A/C Wiring Diagram for Toyota 4Runner SR5 1999

List of elements for Manual A/C Wiring Diagram for Toyota 4Runner SR5 1999:

• (cowl wire harness, behind center of dash) i9
• (cowl wire harness, top center of dash) i7
• (left front fender) g102
• 2.7l (calif)
• 2.7l (ex calif)
• 3.4l
• A/c
• A/c amplifier (behind right side of dash)
• A/c dual pressure switch (on right rear of engine compartment)
• A/c fuse 10a
• A/c magnetic clutch (on right front of engine)
• A/c switch
• A/c thermistor (right side of dash)
• Ac1
• Act
• B/v
• Blower motor (behind right side of dash)
• Blower resistor (behind right side of dash)
• Blower switch
• Center j/b (behind left side of dash, right of steering column)
• Defrost mode switch
• Driver side j/b (on lower left side of dash)
• E12
• E16
• E17
• Engine control module (behind right side of dash)
• Engine room r/b (on left side of engine compartment, on inner fender panel)
• G203 (right kick panel)
• Gauge fuse 10a
• Gnd
• Heater fuse 50a
• Heater relay
• Hot at all times
• Hot in on or start
• I15 (a/c sub wire harness, below right side of dash)
• I19 (cowl wire harness, above glove box)
• I3 (engine room main wire harness, left kick panel)
• Interior lights system
• J/c 1 & 2 (on left inner fender panel, front of strut tower)
• J/c 1 (on left inner fender panel, front of strut tower)
• J/c 9 (behind right side of dash, on top)
• Mgc
• Off
• Prs
• Red