All Wiring Diagrams for Toyota 4Runner 1999

AIR CONDITIONING

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

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

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

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

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

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

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Toyota 4Runner 1999

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List of elements for Anti-lock Brake Wiring Diagrams for Toyota 4Runner 1999:

(behind left side of dash, on top) j/c 4
(dash harn, right end of dash)
(front right fender) g105
(left side of engine) g112
+ig
+ig1
3.4l
A16
A17
Abs actuator (on right inner fender panel)
Abs deceleration sensor (4wd) (front of center console)
Abs ecu (at right kick panel)
Abs fuse 60a
Abs ind
Abs relay (right rear of engine compt)
Ast
C14
C15
C25
C27
C28
C29
Center j/b (behind left side of dash, right of steering column)
Combination meter
D j8
Data link connector 1 (on left side of engine compt)
Driver side j/b (on lower left side of dash)
E j7
E3 (engine harn, front of left front fender)
Ecu-ig fuse 10a
Engine room r/b (left side of engine compt)
Exi
Exi 3
Exi2
Fl+
Fl-
Fr+
Fr-
G10o (front of left front fender)
G201
G202
Gauge fuse 10a
Ggnd
Gnd
Gs1
Gs2
Gst
Hot at all times
Hot in on or start
I20
J/c 1, j/c 2 (on left inner fender panel, front of strut tower)
J/c 4 (behind left side of dash, on top)
J/c 6 (behind left side of dash, at center j/b)
J/c 7, j/c 8 (behind right side of dash, on top)
J/c 9 (behind right side of dash, on top)
Left front abs speed sensor
Left rear abs speed sensor
Red
Right front abs speed sensor
Right rear abs speed sensor
Rl+
Rl-
Rr+
Rr-
Sflh
Sflr
Sfrh
Sfrr
Sp1
Speedometer
Srh
Srr
Stop fuse 10a
Stoplight switch (under left side of dash)
Stp
Transmissions system
Transmissions system (rear differential lock detection switch)

ANTI-THEFT

Forced Entry Wiring Diagram for Toyota 4Runner 1999

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List of elements for Forced Entry Wiring Diagram for Toyota 4Runner 1999:

(1999)
(2000)
(body harn, lower left "b" pillar) b10
(dash harn, left end of dash) i1
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
Acc
Acc fuse 15a
B16
B17
B7 (body harn, left rear tailgate)
Back door courtesy switch
Back door ecu (on left side of back door)
Back door unlock detection switch
Bcty
Body ecu (on driver side j/b)
Center j/b (left side of dash, to right of steering column)
Cls
Dcty
Door locks system
Down
Driver side j/b (on lower left side of dash)
E13
E16
E21
Ecu-b
Ecu-ig
Ecu-ig fuse 10a
Engine control module (behind right side of dash)
Engine hood courtesy switch
Engine room r/b (left side of engine compt, on inner fender panel)
Exterior lights system
G100 (front of left front fender)
G11
G201
G404 (left rear side of luggage compt)
G414 (left rear quarter panel)
Grd
Haz
Headlights system
Hood sw
Horn
Horn, haz. fuse 15a
Horns system
Hot at all times
Hot in run or start
Hry
I12 (dash harn, right end of dash)
I7 (dash harn, center of dash)
J/c 1, 2 (left inner fender panel, front of strut tower)
J/c 9 (behind right side of dash, on top)
Ksw
Left front door courtesy switch
Left rear door courtesy switch
Lswb
Lswd
Lswp
Lswr
Mpx-b fuse 15a
Mpx1
Opn
Pcty
Rcty
Red
Right front door courtesy switch
Right rear door courtesy switch
Right rear door unlock detection switch
Sec ind
Security indicator light
Tailgate control switch
Theft deterrent horn (on right side of engine compt)
Try
Ul2
Ul3

Immobilizer Wiring Diagram for Toyota 4Runner 1999

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List of elements for Immobilizer Wiring Diagram for Toyota 4Runner 1999:

Batt
C10
C11
C16
Center j/b (left side of dash, to right of steering column)
Code
E11
E12
E13
E14
E16
Efi fuse 15a
Efi relay
Engine control module (behind right side of dash)
Engine room r/b (left side of engine compt, on inner fender panel)
Eom
F10
G100 (front of left front fender)
G200 (left kick panel)
G201 (right side of dash)
G202 (left side of dash)
Grd
Hot at all times
Hot at on or start driver side j/b (on lower left side of dash)
Ign fuse 10a
Igsw
Imld
J/c 1, 2 (on left inner fender panel)
J/c 4
J/c 6 (behind left side of dash)
J/c 7, 8 (behind right side of dash)
J/c 9
Ksw
Mrel
Rxck
Security indicator
Transponder key amplifier (behind left side of dash)
Txct
Unlock warning switch (steering column)

COMPUTER DATA LINES

Computer Data Lines for Toyota 4Runner 1999

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List of elements for Computer Data Lines for Toyota 4Runner 1999:

(dash harn, behind right side of dash) i20
2.7l
3.4l
A17
Abs ecu (right kick panel)
Abs relay (right rear of engine compt, on inner fender panel)
Bat
C25
C28
Center air bag sensor assembly (below center of dash)
Combination meter
Cruise control actuator with ecu (3.4l) (behind lower center of dash)
Cruise control ecu (2.7l) (behind lower center of dash)
Data link connector 1 (left side of engine compt)
Data link connector 3 (under center left side of dash)
E14
Engine control module (right side of dash)
Engine control system (efi relay)
Engine room r/b (left side of engine compt)
G112 (left side of engine)
G202
Hot at all times
I11
I11 (dash harness, right side of dash)
Ig-
Igniter (3.4l) (right side of engine compt)
J/c 3 (upper left side of dash)
J/c 4 (behind left side of dash)
J/c 6 (behind left side of dash)
Obd fuse 7.5a
Sil
Te1

CRUISE CONTROL

2.7L

2.7L, Cruise Control Wiring Diagram for Toyota 4Runner 1999

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List of elements for 2.7L, Cruise Control Wiring Diagram for Toyota 4Runner 1999:

(a/t)
(m/t)
A/t indicator light switch (park/neutral position switch) (on transmission)
A21
Ae j7
Bd j8
C13
C15
C28
Cancel
Ccs
Center j/b (behind left side of dash, to right of steering column)
Cms
Combination meter
Cruise
Cruise control actuator (on right inner fender panel)
Cruise control clutch switch (under left side of dash)
Cruise control ecu (behind lower center of dash)
Cruise control ind
Cruise control switch (combination switch)
D18
Data link connector 1 (left side of engine compartment)
Driver side j/b (lower left side of dash)
E12
E16
Ect
Ecu-ig fuse 10a
Engine control module (behind right side of dash)
G201
Gauge fuse 10a
Gnd
Hot at all times
Hot in on & start
I6 (dash harn, upper left side of dash)
Idl
Idlo
J/c 6 (behind left side of dash, at center j/b)
J/c 7 & j/c 8 (behind top right side of dash)
J/c 7 (behind top right side of dash)
J/c 9 (behind top right side of dash)
Od1
Resume/ accel
Set/ coast
Spd
Stop fuse 10a
Stoplight switch (below left side of dash)
Stp-

3.4L

3.4L, Cruise Control Wiring Diagram for Toyota 4Runner 1999

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List of elements for 3.4L, Cruise Control Wiring Diagram for Toyota 4Runner 1999:

(a/t)
(dash harn, upper left end of dash) i2
(m/t)
A/t indicator light switch (park/neutral position switch) (on transmission)
Ae j7
Bd j8
C13
C15
C28
Cancel
Ccs
Center j/b (behind left side of dash, to right of steering column)
Cms
Combination meter
Cruise
Cruise control actuator w/ ecu (right side of engine compt)
Cruise control clutch switch (under left side of dash)
Cruise control ind
Cruise control switch (combination switch)
D24
Data link connector 1 (left side of engine compartment)
Driver side j/b (lower left side of dash)
Driver side j/b driver side j/b (lower left (lower left side of dash) side of dash)
E12
E16
Ect
Ecu-ig fuse 10a
Engine control module (behind right side of dash)
G201
Gauge fuse 10a
Gnd
Hot at hot at all times all times
Hot in on & start
Hot in on hot in on & start & start
I6 (dash harn, upper left side of dash)
Idl
Idlo
J/c 6 (behind left side of dash, at center j/b)
J/c 7 & j/c 8 (behind top right side of dash)
J/c 7 (behind top right side of dash)
J/c 9 (behind top right side of dash)
Od1
Resume/ accel
Set/ coast
Spd
Stop fuse 10a
Stoplight switch (below left side of dash)
Stp-
W/ 2-4 select switch w/o 2-4 select switch

DEFOGGERS

Defogger Wiring Diagram for Toyota 4Runner 1999

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List of elements for Defogger Wiring Diagram for Toyota 4Runner 1999:

(1999-00) (2001)
(dash harn, at left kick panel) i1
(left side of dash, right of steering column)
Acc
Acc fuse 15a
Alt fuse 120a
B16
B7 b9
Back door ecu (left side of back door)
Back window limit switch (center of rear door)
Body ecu (attached to driver side j/b)
Center j/b
Def
Def sw
Defog fuse 15a
Defog relay
Dind
Driver side j/b (behind left side of dash)
E16
E21
Ecu-b
Ecu-ig
Ecu-ig fuse 10a
Engine room r/b (left side of engine compt)
G11
G201
G202
G414 (left rear quarter panel)
Gauge fuse 10a
Gnd
Hot at all times
Hot in on or acc
Hot in on or start
J/c 4 (behind left side of dash)
J/c 9 (behind right side of dash)
Left mirror heater (part of remote control center mirror)
Mir htr fuse 10a
Mpx-b fuse 15a
Mpx1
Rear window defogger
Rear window defogger switch & indicator light (part of center cluster switch)
Right mirror heater (part of remote control center mirror)

ENGINE PERFORMANCE

2.7L

2.7L, Engine Performance Wiring Diagrams (1 of 2) for Toyota 4Runner 1999

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List of elements for 2.7L, Engine Performance Wiring Diagrams (1 of 2) for Toyota 4Runner 1999:

(eng harn, top left of engine)
(near steering column) center j/b
(right side of dash)
(splice i11: i/p harn right side of dash)
(under left side of dash) stoplight switch
4wd
A/c system
Ac1
Acc
Act
Add ind switch (4wd only)
Atf
Batt
C11
C15
Camshaft position sensor (left center of engine)
Cen- ter j/b (near steer col)
Conn e5
Conn e6
Conn e7
Conn e8
Crankshaft position sensor (left center of engine)
Cruise control system
Data link connector 1 (left side of engine compt)
Driver side j/b (lower left side of dash)
E01
E02
E03
Egr
Els
Engine control module (behind right side of dash)
Evp
Exterior lights & defogger systems
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
G112 (left side of engine)
G119 (right front of engine)
G131 (intake manifold)
Gnd
Hot at all times
Hot in start
Ht1
Ht2
I11
I11 (right side of dash)
Ig-
Igf
Ign fuse 7.5a
Ignition coil 1 & ignitor 1
Ignition coil 2 & ignitor 2
Ignition switch
Igt
Igt1
Igt2
Inj1
Inj2
Inj3
Inj4
Knk
Lock
Ne-
Noise filter (right side of engine compt)
Nsw
Od1
Od2
Oil
Oil-w
Ox1
Ox2
Pnk
Ptnk
Pwr
Red
Rsc
Rso
Run
Sdl
Sp1
Sp2+
Sp2-
Sta
Sta fuse 7.5a
Start
Start/ charge system
Stop fuse 10a
Tach
Te1
Tfn
Thg
Thw
Tpc
Vcc
Vehicle speed sensor (electronically controlled transmission)
Vta

2.7L, Engine Performance Wiring Diagrams (2 of 2) for Toyota 4Runner 1999

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List of elements for 2.7L, Engine Performance Wiring Diagrams (2 of 2) for Toyota 4Runner 1999:

(below left side of dash) circuit opening relay
(engine room r/b) efi relay
(i/p harn, center of dash)
(i/p harn, left side of dash)
(i/p harn, right side of dash) i11
(left side of engine compartment)
(splice i11: i/p harn, right side
(upper right side of dash)
A/t fluid temperature sensor (in transmission)
A/t oil temp ind
A/t p ind
Bat
C25
C26
C27
C28
C29
Cen- ter j/b (near steer col)
Cruise control system
Data link connector 3 (under center left side of dash)
Driver side j/b (lower left side of dash)
E10
E2g
Ect pwr ind
Efi fuse 20a
Egr gas temp sensor (top of engine)
Egr vsv (left side of engine)
Electronically controlled trans pattern select sw
Electronically controlled transmission solenoid (on transmission)
Engine coolant temp sensor (top rear of engine)
Engine room r/b (left side of engine compt)
Evap vsv (left side of engine compartment)
Fuel pump
G100 (front left fender)
G131 (intake manifold)
G200 (left kick panel)
G202 (left kick panel)
Gauge fuse 10a
Heated oxygen sensor (bank 1 sensor 1) (rear underside of eng compt)
Heated oxygen sensor (bank 1 sensor 2) (underside of vehicle)
Hot at all times
Hot in run or start
I11
I19
I19 (dash harn, upper right of dash)
Idle air control valve (left side of engine)
Instrument cluster
Instrument cluster system
J/c j6 (left dash)
J/c j7, j8
Knock sensor (left side of engine)
Mal- function ind
Mass air flow meter (in air intake)
Nca
O/d main sw
O/d off ind
Obd fuse 7.5a
Of dash)
Park/neutral position switch (on transmission)
Pnk
Ptnk
Red
Sdl
Speedo
Tach
Tha
Throttle position sensor (on throttle body assy)
Transfer l4 pos detection switch
Transfer neutral position detection switch
Vapor pressure sensor (left side of engine compartment)
Vapor pressure sensor vsv (left side of engine compt)
Vcc

3.4L

3.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota 4Runner 1999

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List of elements for 3.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota 4Runner 1999:

(behind left side of dash)
(dash harn, right side of dash)
(engine harn, center of engine)
Af1-
Anti-theft system
California
Camshaft position sensor (top front of engine)
Code
Crankshaft position sensor (front of engine)
Data link connector (below center left of dash)
E01
E02
E03
E05
E10
E11
E2g
Engine control module (behind right side of dash)
Engine room r/b (left side of engine compt)
Evp1
Except california
Ext
G112 (left intake manifold)
G131 (left intake manifold)
G200 (left kick panel)
Gnd
Hot at all times
I11
Igc1
Igc2
Igc3
Igf
Igniter (right side of engine compartment)
Ignition coils
Igt1
Igt2
Igt3
Imld
Injector 1
Injector 2
Injector 3
Injector 4
Injector 5
Injector 6
Instrument cluster
J/c 6
Knk1
Knk2
Knock sensor 1 (middle of engine)
Knock sensor 2 (middle of engine)
Ksw
Nca
Ne+
Ne-
Noise filter
Obd fuse 7.5a
Oil
Ox1
Pnk
Psw
Red
Rsc
Rso
Rxck
Sdl
Shield
Sil
Sp2+
Sp2-
Te1
Tha
Thw
Transponder key amplifier (left side of dash)
Txct
Vta

3.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota 4Runner 1999

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List of elements for 3.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota 4Runner 1999:

A/t fluid temperature sensor (on transmission)
Calif
Center j/b (behind left side of dash)
Cruise control system
Data link connector 1 (left side of engine compt)
Driver side j/b (lower left side of dash)
E2g
Electronically controlled transmission solenoid
Engine coolant temperature sensor (top front of engine)
Evap vsv (left side of engine compartment)
Exc calif
Heated oxygen sensor (bank 1 sensor 1) (exc california) (rear underside of engine compartment)
Heated oxygen sensor (bank 1 sensor 2) (underside of vehicle)
Hot in start
I11
I11 (dash harn, right side of dash)
Idle air control valve (top right side of engine)
Ig-
Mass airflow meter (in air intake)
Pnk
Ptnk
Red
Shield
Sta fuse 7.5a
Te1
Tha
Throttle position sensor (on throttle body)
Vapor pressure sensor (left rear of engine compt)
Vapor pressure sensor vsv (left side of engine compartment)
Vcc
Vehicle speed sensor (on transmission)

3.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota 4Runner 1999

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List of elements for 3.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota 4Runner 1999:

(behind right side of dash)
Acc
Air fuel ratio sensor (california) (in exhaust)
C11
C15
Center j/b (behind left side of dash)
Circuit opening relay (behind lower left side of dash)
Driver side j/b (lower left side of dash)
Efi fuse 20a
Efi relay
Engine room j/b (left side of engine compt)
F10
Fuel pump (in fuel tank)
G100 (left front fender)
G200 (left kick panel)
Hot at all times
Ign fuse 10a
Ignition switch
J/c
J/c 12 (below driver's seat)
J/c1, j/c2 (near left front shock tower)
Lock
Pnk
Power steering oil pressure switch (right front of engine)
Red
Run
Shield
Start
Stop fuse 10a
Stoplight switch (under left side of dash)

3.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota 4Runner 1999

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List of elements for 3.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota 4Runner 1999:

(dash harn, center of dash)
(dash harn, left side of dash)
(right side kick panel) g203
4wd
A/c system
A/t oil temp ind
A/t p ind
Ac1
Act
Batt
C25
C26
C27
C28
C29
Center j/b (behind left side of dash)
Cruise control system
Detection switch (transfer l4 position) (on transmission)
Detection switch (transfer neutral position) (on transmission)
Driver side j/b (lower left side of dash)
E10
E12
E13
E14
E16
E18
Ect pwr ind
Electronically controlled transmision pattern select switch
Engine control module (behind right side of dash)
Eom
G200 (left kick panel)
G203 (right kick panel)
Gauge fuse 10a
Hot in run or start
Hts
I11
I19
I19 (dash harn, right side of dash)
Idlo
Igsw
Instrument cluster
J/c7, j/c8 (upper right side of dash)
Mal- function ind
Mrel
Nsw
O/d main switch (shift lock control computer)
O/d off ind
Od1
Od2
Oil-w
Oxs
Park/neutral position switch
Ptnk
Pwr
Red
Sil
Sp1
Speedometer
Sta
Starting system
Stp
Tfn
Tpc
Transmissions system

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Toyota 4Runner 1999

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List of elements for Back-up Lamps Wiring Diagram for Toyota 4Runner 1999:

A/t
Back-up light switch (on transmission)
Back-up light switch (park/neutral position switch) (on transmission)
Behind center of dash) i7
Driver's side j/b (on lower left side of dash)
Gauge fuse 10a
Hot in on & start
Left back-up light
Left rear combination light
M/t
Right back-up light
Right rear combination light

Exterior Lamps Wiring Diagram for Toyota 4Runner 1999

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List of elements for Exterior Lamps Wiring Diagram for Toyota 4Runner 1999:

Alt fuse 120a
Body computer system
C15
C16
C27
C29
Center j/b (right of steering column)
Com- bination meter
Combination meter
Combination switch
D10
D11
Driver's side j/b (lower left side of dash)
Driver's side j/b (on lower left side of dash)
E11
E16
E21
Engine room r/b (on left side of engine compartment, on inner fender panel)
F13
F17
Flash relay
G100 (front of left front fender)
G201
G202
G404 (left rear side of luggage compt)
H12
H13
Hazard switch
Head
High mounted stop- light
Horn, haz fuse 15a
Hot at all times
Hot in on or start
I5 (dash harness, behind left side of dash)
J/c 1 & 2 (left inner fender panel, front of strut tower)
J/c 14 (front of left rear wheelwell)
J/c 4 (behind left side of dash, on top)
J/c 5 (behind left side of dash)
J/c 9 (behind right side of dash, on top)
Left front parking light
Left front turn signal light
Left rear combination lamp
Left turn
License plate light
Light switch
Off
Right front parking light
Right front turn signal light
Right rear combination lamp
Right turn
Stop
Stop fuse 10a
Stop- light switch (under left side of dash)
Tail
Tail fuse 10a
Tail relay
Turn
Turn fuse 10a
Turn signal switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Toyota 4Runner 1999

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Toyota 4Runner 1999:

(2.7l)
(2wd, add)
(4wd, add)
(left side of engine compt, on inner fender panel) engine room r/b
(w/ moon roof) personal light
A17
Abs ecu
Abs relay
Air bag sensor assembly
B1 (body harness, inside left front door)
B16
B4 (body harness, center of windshield headed)
Body ecu
Brake fluid level warning switch
C27
Canada
Cigarette lighter
Clock
Combination meter
Combination switch
Daytime
E5 (eng compt harn, left front of engine compt)
Efi relay
Engine
Front wiper & washer switch
Fuel pump
G100 (front of left front fender)
G119 (right front of engine)
G202 (left side of dash)
G203 (right kick panel)
G405 (right rear side of luggage compt)
Glove box light
Heater relay
Hood courtesy switch
I3 (dash harness, behind fuse box)
I5 (dash harness, upper left side of dash)
I7 (dash harness, upper left side of dash)
Ignition coil & igniter 1
Ignition coil & igniter 2
J/c 1 & 2 (in engine room r/b, left front of engine compt)
J/c 12 & 13 (under left rear seat)
J/c 4 (upper left end of dash)
J12
J13
Left front door key lock & unlock switch
Left front door lock control switch
Left front door lock motor & door unlock detection switch
Left front fog- light
Left front parking light
Left front power outlet
Left front turn signal light
Left mirror heater
Moon roof control motor & limit switch
Moon roof control relay & switch
Power outlet relay
Power window master switch
Rear differential lock detection switch
Rear differential lock motor
Rear power outlet
Rear window defogger switch
Right front buckle switch
Right front fog- light
Right front parking light
Right front turn signal light
Running light resistor
Starter relay
To center j/b pin e11 (diagram 2 of 3)
To data link connector 3 (diagram 3 of 3)
To junction connector 9 (diagram 3 of 3)
Unlock warning switch
Vacuum solenoid valve
W/o power seat

Ground Distribution Wiring Diagram (2 of 3) for Toyota 4Runner 1999

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Toyota 4Runner 1999:

(2.7l)
(3.4l)
(auto a/c)
(canada)
(dash harness, upper left side of dash)
(lower left side of dash) driver side j/b
(manual a/c)
(w/o power window)
2-4 select motor
2-4 select switch
4wd ecu
A/c amplifier
A/c dual pressure switch
A/c switch
A30
Air vent mode control servo motor
Automatic disconnecting differential indicator switch
B11 (body harn, under right front seat)
B9 (body harn, under driver's seat)
Back door lock control switch
Back window lock switch
Body ecu
C14
Center j/b (behind left side of dash, right of steering column)
Clutch start cancel switch
Cruise control actuator
Cruise control actuator w/ ecu
Cruise control ecu
Cruise control switch
Daytime running light relay (main)
Daytime running light relay 4
Detection switch (transfer 4wd position)
Detection switch (transfer differential lock)
Detection switch (transfer h2, h4f)
Detection switch (transfer l4 position)
Detection switch (transfer neutral position)
Diff lock ecu
Driver's lumbar support power seat control switch
Driver's power seat control switch
E11
E12
E13
E14
E15
E16
E17
E18
E19
E20
E21
E22
Engine control module
Flasher relay
From j/c 4 (diagram 1 of 3)
I11 (dash harness, right side of dash)
I13 (dash harness, lower right end of dash)
I16 (dash harness, right side of radio)
I4 (dash harness, upper left side of dash)
I5 (dash harness, upper left side of dash)
I7 (dash harness, upper left side of dash)
Left buckle switch
Left rear door unlock detection switch
O/d main switch
Power relay
Remote control mirror switch
Rheostat
Right buckle switch
Right front power seat control switch
Right vanity light
Secuity indicator light
Shift lock control computer
To j/c 9 (diagram 3 0f 3)
Unlock warning switch
W/ power seat
W/0 power seat
Washer level warning switch

Ground Distribution Wiring Diagram (3 of 3) for Toyota 4Runner 1999

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Toyota 4Runner 1999:

(california)
(except 3.4l california)
(w/ power windows)
(w/o power windows)
3rz-fe: 2.7l
5v2-fe: 3.4l
A/c magnetic clutch relay
A17
Abs ecu
Air bag sensor assembly
Auto antenna control relay
Automatic a/c
B16
B5 (body harness, inside right front door)
B6 (body harness, above left side of liftgate)
B7 (body harness, behind left taillight)
B8 (body harness, under right front seat)
Back door courtesy switch
Back door ecu
Back door unlock detection switch
Back window limit switch
Blower motor linear controller
Blower resistor
Blower resistor (low)
Blower switch
Body ecu
C21
C25
Combination meter
Data link connector 1
Data link connector 3
E10
Engine control module
Extra high speed relay
From center j/b pin e16 (diagram 2 of 3)
From combination switch (diagram 1 of 3)
G112 (left side of engine)
G200 (left kick panel)
G201 (right side of dash)
G404 (left rear side of luggage compt)
Heated oxygen sensor (bank 1, sensor 1)
Heated oxygen sensor (bank 1, sensor 2)
High mounted stop- light
I11 (dash harness, right side of dash)
I22 (dash harn, behind instrument cluster)
I5 (dash harness, upper left side of dash)
I7 (dash harness, upper left side of dash)
Igniter
J/c 9 (upper right end of dash)
License plate light
Manual a/c
Noise filter
R18
Radio & player or stereo power amplifier
Rear heater blower resistor
Rear heater blower switch
Rear heater relay
Rear window defogger
Rear wiper motor
Remote control mirror switch
Right front door key lock & unlock switch
Right front door lock control switch
Right front door unlock detection switch
Right front power window control switch
Right heated mirror
Tailgate control switch
Transponder key assembly

HEADLIGHTS

Headlight Wiring Diagram, with DRL (1 of 2) for Toyota 4Runner 1999

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List of elements for Headlight Wiring Diagram, with DRL (1 of 2) for Toyota 4Runner 1999:

(dash harness, upper left side of dash) i5
(dash harness, upper right side of dash) i19
B17
Body ecu (on driver side j/b)
Brake indicator
C27
C29
Center j/b (behind left side of dash, to right of steering column)
Combination meter
Combination switch
Daytime running light relay (main) (behind left side of dash, right of steering column)
Daytime running light relay 4 (behind right side of dash)
Dimmer switch
Diode (daytime running light 1) (behind right side of dash, on top)
Diode (daytime running light 2) (behind right side of dash, on top)
Dome fuse 15a
Driver side j/b (on lower left side of dash)
Drl fuse 7.5a
Engine room r/b (on left side of engine compartment, on inner fender panel)
Exterior lights system
Flash
Foglight switch
G202
Gauge fuse 10a
Head
Head relay
High
High beam indicator
Hot at all times
Hot in on or start
Hry
I7 (dash harn, upper center of dash)
J/c 3 (behind left side of dash, on top)
J/c 4 (behind left side of dash, on top)
Left front door courtesy switch
Light control switch
Low
Off
Red
Solid state
Starting/ charging system
Tail

Headlight Wiring Diagram, with DRL (2 of 2) for Toyota 4Runner 1999

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List of elements for Headlight Wiring Diagram, with DRL (2 of 2) for Toyota 4Runner 1999:

(engine harness, behind driver side j/b) i3
(engine harness, left front fender) e5
(front of left front fender) g100
A j/c 1
A j/c 2
Brake fluid level warning switch (on brake fluid reservoir)
Center j/b (behind left side of dash, to right of steering column)
D10
D11
D12
Daytime running light resistor (on left front of engine compartment)
Dimmer relay
E16
E20
Engine room r/b (on left side of engine compartment, on inner fender panel)
Fog fuse 15a
Fog relay (if equipped)
G201
Hot at all times
If equipped
J/c 9 (behind right side of dash)
Junction connector (on left front inner fender panel, front of strut tower)
Left front foglight
Left headlight
Left hi head fuse 10a
Left lo head fuse 10a
Parking brake switch (under center console)
Pnk
Right front foglight
Right headlight
Right hi head fuse 10a
Right lo head fuse 10a

Headlight Wiring Diagram, without DRL for Toyota 4Runner 1999

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List of elements for Headlight Wiring Diagram, without DRL for Toyota 4Runner 1999:

(engine harness, left front fender) e5
A13
B12
Combination meter
Combination switch
Dimmer switch
Driver side j/b (on lower left side of dash)
E17
Engine room r/b (on left side of engine compartment, on inner fender panel)
Exterior lights system
Flash
Fog fuse 15a
Fog relay (if equipped)
Fog- light switch
G202
Gauge fuse 10a
Head
Head relay
High
High beam indicator
Hot at all times
Hot in on or start
I3 (engine harness, behind driver side j/b)
If equipped
J/c 3 (behind left side of dash, on top)
J/c 4 (behind left side of dash, on top)
Left front door courtesy switch
Left front foglight
Left head fuse 10a
Left headlight
Light control switch
Low
Off
Pnk
Red
Right front foglight
Right head fuse 10a
Right headlight
Solid state
Tail

HORN

Horn Wiring Diagram for Toyota 4Runner 1999

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List of elements for Horn Wiring Diagram for Toyota 4Runner 1999:

B16
Body ecu
Driver side j/b (lower left side of dash)
Horn switch (part of combination switch)
Horn, haz fuse 15a
Hot at all times
Left horn (left front eng compt)
Right horn (right front eng compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Toyota 4Runner 1999

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List of elements for Instrument Cluster Wiring Diagram for Toyota 4Runner 1999:

(2.7l-right front of engine, 3.4l-left side of engine)
(2.7l-right front of engine, 3.4l-top rear of engine)
(front of left front fender)
(w/ drl)
(w/ power seat)
(w/o drl)
(w/o power seat)
2 ind
2.7l
3.4l
4wd ind
A/t oil temp ind
A/t p ind
A10
A11
A12
A13
A14
A15
A16
Abs ecu (3.4l) (right kick panel)
Abs ind
Air conditioning system
Anti-lock brakes system
B10
B11
B12
B13
Body computer system
Brake fluid level warning switch (brake fluid reservoir)
Brake ind
C10
C25
C26
C27
C28
C29
Center diff lock ind
Center j/b
Center j/b (behind left side of dash)
Charge ind
Cruise control system
Cruise ind
D ind
D10
D11
D12
Daytime running light relay (main) (left side of dash)
Door ind
Driver side j/b (lower left side of dash)
E10
E11
E12
E13
E14
E15
E16
E17
E18
Ect power ind
Engine controls system
Exterior lights system
Exterior/headlights system
F11
Fuel gauge
Fuel ind
Fuel sender
G100
G200 (left kick panel)
G202
Gauge fuse 10a
Headlights system
High beam ind
Hot in on or start
I22
Ign fuse 10a
Illum
Interior lights system
J/c 4 (upper left end of dash)
L ind
Left turn ind
Mil ind
N ind
O/d off ind
Odo/trip
Oil ind
Oil pressure switch
P ind
Parking brake switch (under center console)
R ind
Rear diff lock ind
Red
Right turn ind
Seat belt ind
Sp1
Speedometer
Srs ind
Starting/charging system
Tachometer
Transmissions system
Vehicle speed sensor (combination meter) (2.7l) (on transmission)
W/ drl
W/o drl
Warning system
Washer level ind
Water temp gauge
Water temperature sensor
Wiper/washer system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Toyota 4Runner 1999

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List of elements for Courtesy Lamps Wiring Diagram for Toyota 4Runner 1999:

(1999, 2000) (2001)
B3 b2 (body harn, at left "a" pillar)
Back door courtesy switch (on left side of back door)
Back door ecu (left side of back door)
Body ecu
Body ecu (on driver side j/b)
C10
C27
C28
Center j/b (behind left side of dash, right of steering column)
Combination meter
Dome fuse 15a
Door
Driver side j/b (on lower left side of dash)
E16
E21
Engine room r/b (left side of engine compt, on inner fender panel)
Front interior light
G201
G202
G404 (left rear side of luggage compartment)
Hot at all times
I12 i5 (i12: dash harn, right side of dash) (i5: dash harn, left end of dash)
I12 i9 (i12: dash harn, right side of dash) (i9: dash harn, left side of dash)
I22 i9 (dash harn, left side of dash)
Ignition key cylinder light
J/c 4 (upper left end of dash)
J/c 9 (upper right end of dash)
Left front door courtesy switch
Left rear door courtesy switch
Off
Open door warning
Personal light (if equipped)
Rear interior light
Right front door courtesy switch
Right rear door courtesy switch
Right vanity light (if equipped)
W/ moonroof
W/o moonroof

Instrument Illumination Wiring Diagram for Toyota 4Runner 1999

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List of elements for Instrument Illumination Wiring Diagram for Toyota 4Runner 1999:

(1999, 2000)
(1999, 2000) (2001)
(2001) (w/ manual a/c) a/c amplifier
(dash harn, center of dash) i23 i19
A/c amplifier (w/ auto a/c)
A/c switch (w/ manual a/c) (1999, 2000)
A/t shift lever illumination (a/t)
Ashtray illumination
Back door lock control switch (w/o door locks) (1999, 2000)
Back window lock switch (if equipped)
Blower switch (1999, 2000)
C27
C28
Center cluster switch
Center j/b (behind left side of dash, right of steering column)
Cigarette lighter illumination
Combination meter
D13
D14
D15
D17
D18
D20
Driver's side j/b (lower left side of dash)
E16
E20
Engine room r/b (left side of engine compt, on inner fender panel)
F10
F11
F12
F14
F16
F17
F18
F19
F20
G201
G202
Glove box light
Hazard switch
Head
Hot at all times
I9 (dash harn, center of dash)
J/c 1, j/c 2 (left inner fender panel, front of strut tower)
J/c 4 (upper left end of dash)
J/c 5 (behind left side of dash)
J/c 9 (upper right end of dash)
Light control switch (part of combination switch)
Off
Radio & player or stereo power amplifier
Rheostat
Tail
Tail fuse 10a
Tail relay

POWER ANTENNA

Power Antenna Wiring Diagram for Toyota 4Runner 1999

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List of elements for Power Antenna Wiring Diagram for Toyota 4Runner 1999:

Acc
Acc fuse 15a
Amp
Amp+
Ant
Ant+
Anta
Antb
Auto antenna control relay (behind center of dash, front of console)
Auto antenna motor (right front inner fender)
Center j/b (left side of dash, right of steering column)
Dome fuse 15a
Driver side j/b (left side of dash)
Driver side j/b (lower left side of dash)
Ecu-ig fuse 10a
Engine room r/b (left side of engine compt)
G11
G12
G202
Hot at all times
Hot in on or acc
Hot in on or start
J/c 4 (behind left side of dash)
Radio & player
Stereo component amplifier (behind center of dash)
W/ built-in amplifier
W/ separate amplifier

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Toyota 4Runner 1999

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List of elements for Power Distribution Wiring Diagram (1 of 2) for Toyota 4Runner 1999:

A/c fuse 10a
Abs fuse 60a
Air conditioning system
Alt fuse 120a
Alt-s fuse 7.5a
Am1 fuse 40a
Am2 fuse 30a
Anti- lock brakes system
Battery
Body computer, anti-theft, door locks, defogger, power windows, wiper/ washer systems
Canada
Charging system
Defog fuse 15a
Defog relay
Defogger system
Defogger, engine controls systems
Dimmer relay
Dome fuse 15a
Drl fuse 7.5a
Efi fuse 20a
Engine
Engine controls system
Engine controls, exterior lights, interior lights systems
Engine controls, transmissions systems
Engine room r/b (left side of engine compt, on inner fender panel)
Fog fuse 15a
From pwr outlet fuse (diagram 1 of 2)
Front left power outlet
Front right power outlet
G100 (front of left front fender)
G202
G413 (right rear quarter panel)
Head hi lh fuse 10a
Head hi rh fuse 10a
Head lh fuse 10a
Head lo lh fuse 10a
Head lo rh fuse 10a
Head relay
Head rh fuse 10a
Headlamps, interior lights, power antenna, sound systems
Headlights system
Headlights system (canada)
Heater fuse 50a
Heater relay
J/b fuse 50a
J/c 4 (left side of dash)
Mir htr fuse 10a
Mpx-b fuse 15a
Obd fuse 7.5a
Pnk
Power outlet relay
Pwr outlet fuse 15a
Rear power outlet
Red
Room r/b (left side of engine compt, on inner fender panel)
Rr htr fuse 10a
Starting system
Tail fuse 10a
Tail relay
To am1 fuse (diagram 1 of 2)
To driver side j/b, acc fuse (diagram 2 of 2)
To driver side j/b, power fuse (diagram 2 of 2)
To ignition switch (diagram 2 of 2)
Usa

Power Distribution Wiring Diagram (2 of 2) for Toyota 4Runner 1999

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List of elements for Power Distribution Wiring Diagram (2 of 2) for Toyota 4Runner 1999:

4wd fuse 20a
Acc
Acc fuse 15a
Air conditioning, anti-lock brakes, body computer, cruise control, defogger, engine controls, exterior lights, headlights, instrument cluster, starting/charging, transmissions, wiper/washer, warning systems
Anti- theft, exterior lights, horns systems
Anti-lock brakes, anti-theft, cruise control, door locks, power antenna, shift interlock systems
Anti-lock brakes, cruise control, engine controls, exterior lights, transmissions, shift interlock systems
Body ecm
Center j/b (right of steering column)
Cigarette lighter
Door locks, seats, wiper/ washer systems
Driver side j/b (lower left side of dash)
Ecu-b fuse 7.5a
Ecu-ig fuse 10a
Engine controls, starting systems
Exterior lights system
F10
F11
From engine room r/b, am1 fuse (diagram 1 of 2)
From engine room r/b, am2 fuse (diagram 1 of 2)
From engine room r/b, j/b fuse (diagram 1 of 2)
From engine room r/b, power out- let relay (diagram 1 of 2)
G10
G11
G12
G13
G202
Gauge fuse 10a
Horn, haz fuse 15a
Ign fuse 10a
Ignition switch
J/c 4 (left side of dash)
Lock
Power fuse 30a
Power relay
Power windows, power tops systems
Sta fuse 7.5a
Start
Stop fuse 10a
Transmissions system
Turn fuse 10a
Wiper fuse 20a
Wiper/ washer system

POWER DOOR LOCKS

Power Door Lock Wiring Diagram, with Keyless Entry for Toyota 4Runner 1999

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List of elements for Power Door Lock Wiring Diagram, with Keyless Entry for Toyota 4Runner 1999:

(1999)
(2000)
(behind left side of dash) j/c 4
(behind left side of dash, to right of steering column) center j/b
(body harn, base of left "b" pillar)
(dash harn, right side of dash) i12
(left rear quarter panel) g414
(on left side of back door) back door ecu
(w/ anti- theft)
2.7l
3.4l
Acc fuse 15a
B10
B16
B17
Back door courtesy switch
Back door lock motor & unlock detection switch
Back window limit switch
Back window motor
Body ecu
Center j/b (behind left side of dash, to right of steering column)
Door courtesy switches
Driver side j/b (on lower left side of dash)
E13
E16
E21
Ecu-ig fuse 10a
Engine room r/b (on left side of engine compt, on inner fender panel)
Exterior lights system
G11
G201
G202
G404 (left rear side of luggage compt)
H10
Hot at all times
Hot in run or acc
Hot in run or start
I1 (dash harn, at left kick panel)
I12
I7 (dash harn, center of dash)
J/c 10, j/c 11 (at right kick panel)
J/c 4 (behind left side of dash)
J/c 6 (behind left side of dash)
J/c 9 (behind right side of dash)
Keyless buzzer (right rear of engine compt)
Left front
Left front door key lock & lock unlock switch
Left front door lock motor & unlock detection switch
Left front lock control switch (w/ power window: part of window lock master switch)
Left rear
Left rear door lock motor & unlock detection switch
Lock
Mpx-b fuse 15a
Power fuse 30a
Red
Right front
Right front door key lock & unlk unlock switch
Right front door lock motor & unlock detection switch
Right front lock control unlk switch
Right rear
Right rear door lock motor & unlock detection switch
Unlk
Unlock warning switch
W/ power window
W/o power window

Power Door Lock Wiring Diagram, without Keyless Entry for Toyota 4Runner 1999

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List of elements for Power Door Lock Wiring Diagram, without Keyless Entry for Toyota 4Runner 1999:

(dash harn, center of dash) i7
(dash harn, right side of dash) i12
2.7l
3.4l
B16
Back door lock motor
Body ecu
Center j/b (behind left side of dash, to right of steering column)
Driver side j/b (on lower left side of dash)
E16
E21
Ecu-ig fuse 10a
Engine room r/b (on left side of engine compt, on inner fender panel)
G201
G202
H10
Hot at all times
Hot in run or start
I1 (dash harn, at left kick panel)
I12
J/c 10, j/c 11 (at right kick panel)
J/c 4 (behind left side of dash)
J/c 6 (behind left side of dash)
J/c 9 (behind right side of dash)
Left front door courtesy switch
Left front door key lock & lock unlock switch
Left front door lock motor & unlock detection switch
Left front lock control lock switch
Left rear door lock motor
Lock
Mpx-b fuse 15a
Power fuse 30a
Red
Right front door courtesy switch
Right front door key lock & unlk unlock switch
Right front door lock motor & unlock detection switch
Right front lock control unlk switch
Right rear door lock motor
Unlk
Unlock warning switch
W/ power window
W/o power window

POWER MIRRORS

Power Mirror Wiring Diagram, with Power Windows for Toyota 4Runner 1999

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List of elements for Power Mirror Wiring Diagram, with Power Windows for Toyota 4Runner 1999:

Acc fuse 15a
B1 (in left front door)
Defogger system
Down
Driver side j/b (on lower left side of dash)
G10
G202
Hot in acc or on
J/c 4 (behind left side of dash)
Left
Left remote control mirror
Left/ up
Operation switches
Remote control mirror switch
Right
Right remote control mirror
Right/ down
Select switch

Power Mirror Wiring Diagram, without Power Windows for Toyota 4Runner 1999

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List of elements for Power Mirror Wiring Diagram, without Power Windows for Toyota 4Runner 1999:

Acc fuse 15a
B10
Center j/b (left side of dash, right of steering column)
Defogger system
Down
Driver side j/b (on lower left side of dash)
E16
E19
G11
G201
Hot in acc or on
J/c 9 (behind right side of dash)
Left
Left remote control mirror
Left/ up
Operation switches
Remote control mirror switch
Right
Right remote control mirror
Right/ down
Select switch

POWER SEATS

Driver Power Seat Wiring Diagram for Toyota 4Runner 1999

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List of elements for Driver Power Seat Wiring Diagram for Toyota 4Runner 1999:

B9 (under left front seat)
Down
Driver side j/b (left side of dash)
Driver's power seat control switch
Driver's seat lumbar support control switch
Driver's seat lumbar support motor
Driver's seat reclining control motor
Driver's seat slide control motor
Driver's seat vertical control motor
Front
G201
Hot at all times
J/c 10 (at right kick panel)
J/c 9 (behind right side of dash)
Power fuse 30a
Rear
Reclining
Slide
Vertical

Passenger Power Seat Wiring Diagram for Toyota 4Runner 1999

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List of elements for Passenger Power Seat Wiring Diagram for Toyota 4Runner 1999:

Center j/b (behind left side of dash, to right of steering column)
Driver side j/b (left side of dash)
Front
G201
Hot at all times
J/c 9 (behind right side of dash)
Passenger's power seat control switch
Passenger's seat reclining control motor
Passenger's seat slide control motor
Power fuse 30a
Rear
Reclining
Slide

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagrams for Toyota 4Runner 1999

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List of elements for Power Top/Sunroof Wiring Diagrams for Toyota 4Runner 1999:

(1999-200) (2001)
(above headliner, top front center of roof) moon roof control relay & switch
B16
B4 b3
Body ecu
Center j/b (behind left side of dash)
Close/ up
Driver side j/b (lower left side of dash)
E16
E21
Ecu-ig fuse 10a
G201
G202
Hot at all times
Hot in run or start
J/c 4 (behind left side of dash)
J/c 9 (behind top right side of dash)
Left front door courtesy switch
Limit switches
Moon roof control motor & limit switch (above headliner, front center of roof)
Open/ down
Power relay
Power fuse 30a
Red

POWER WINDOWS

Power Windows Wiring Diagram for Toyota 4Runner 1999

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List of elements for Power Windows Wiring Diagram for Toyota 4Runner 1999:

(dash harn, top left side of dash) i5
Auto
B16
Body ecu
Center j/b (behind left side of dash, right of steering column)
Down
Driver side j/b (on lower left side of dash)
E21
Ecu-ig
Ecu-ig fuse 10a
G201
G202
Gnd
Hot at all times
Hot in on or start
I1 (dash harn, left kick panel)
I10
I10 (dash harn, top right side of dash)
J/c 10, 11 (right kick panel)
J/c 4 (top left end of dash)
J/c 9 (top right side of dash)
J10
J11
Left front door courtesy switch
Left front power window motor
Left rear power window motor
Left rear power window switch
Lmt
Lmt+
P/w
P26
Pls
Pls+
Power fuse 30a
Power relay
Power window master switch
Pwr
Right front power window motor
Right front power window switch
Right rear power window motor
Right rear power window switch
Rld
Rlu
Rrd
Rru
Sgnd
Swl
Tailgate power window circuit

Tailgate Power Window Wiring Diagram for Toyota 4Runner 1999

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List of elements for Tailgate Power Window Wiring Diagram for Toyota 4Runner 1999:

Acc
Acc fuse 15a
B16
Back door ecu (on left side of back door)
Back window control switch
Back window limit switch
Back window lock switch
Back window motor (in center of back door)
Body ecu
Center j/b (behind left side of dash, to right of steering column)
Cls
Clsm
Diode (back window) (top right side of dash)
Down
Driver side j/b (on lower left side of dash)
E16
E19
E21
Ecu-b
Ecu-ig
Ecu-ig fuse 10a
Engine room r/b (left side of engine compartment)
Front & rear window circuit
G11
G201
G404 (left rear side of luggage compt)
Gnd
Hot at all times
Hot in acc
Hot in on or start
J/c 5 (behind left side of dash)
J/c 9 (behind top right side of dash)
Lmtw
Mpx-b fuse 15a
Mpx1
Mx1
Opn
Opnm
Power
Power fuse 30a
Pwr
Red
Tailgate control switch
W/ power window
W/o power window
Wiper fuse 20a

RADIO

Radio Wiring Diagrams, with Amplifier for Toyota 4Runner 1999

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List of elements for Radio Wiring Diagrams, with Amplifier for Toyota 4Runner 1999:

(left kick panel)
Acc
Acc fuse 15a
Amp
Ant
Auto antenna
Beep
Center j/b (left side of dash, right of steering column)
Dome fuse 15a
Driver side j/b (lower left side of dash)
Engine room r/b (left side of engine compt)
Fl+
Fr+
G12
G200
Gnd
Hot at all times
Hot in run or acc
Ill+
Ill-
Interior lights system
Left front door speaker
Left rear door speaker
Mute
Pnk
Radio & player
Red
Right front door speaker
Right rear door speaker
Rl+
Rr+
Stereo component amplifier
W/ 6 speakers

Radio Wiring Diagrams, without Amplifier for Toyota 4Runner 1999

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List of elements for Radio Wiring Diagrams, without Amplifier for Toyota 4Runner 1999:

(left kick panel)
Acc fuse 15a
Auto antenna
Center j/b (left side of dash, right of steering column)
Dome fuse 15a
Driver side j/b (lower left side of dash)
Engine room r/b (left side of engine compt)
G12
G200
Hot at all times
Hot in run or acc
Interior lights system
Left front door speaker
Left rear door speaker
Pnk
Radio & player
Red
Right front door speaker
Right rear door speaker

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Toyota 4Runner 1999

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List of elements for Shift Interlock Wiring Diagram for Toyota 4Runner 1999:

(2wd)
(4wd)
Acc
Acc fuse 15a
C12
C15
Center j/b (behind left side of dash, right of steering column)
Driver side j/b (lower left side of dash)
E16
E22
Ecu-ig fuse 10a
G11
G201 (right side of dash)
Hot at all times
Hot in acc or on
Hot in on or start
J/c 7, 8 (behind right side of dash)
J/c 9 (behind right side of dash)
Key interlock solenoid (unlock warning switch) (behind ignition switch assembly)
Kls+
Shift lock control computer (under center of dash, front of center console)
Shift lock control switch
Shift lock solenoid
Sls+
Sls-
Stop fuse 10a
Stoplight switch (under left side of dash)
Stp

STARTING/CHARGING

Charging Wiring Diagram for Toyota 4Runner 1999

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List of elements for Charging Wiring Diagram for Toyota 4Runner 1999:

Alt fuse 120a
Alt-s fuse 7.5a
Battery
Battery ground
C25
Center j/b (behind left side of dash, to right of steering column)
Charge warning light
Combination meter
Daytime running light relay (main) (behind left side of dash, right of steering column)
Driver's side j/b (on lower left side of dash)
Engine room r/b (left side of engine compt, on inner fender panel)
F11
Gauge fuse 10a
Generator
Hot in on or start
Ign fuse 7.5a
J/c 1/ j/c 2 (on left inner fender panel)
Nca

Starting Wiring Diagram for Toyota 4Runner 1999

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List of elements for Starting Wiring Diagram for Toyota 4Runner 1999:

(2.7l calif)
(2.7l ex calif)
(2.7l)
(3.4l)
A/t
Acc
Alt fuse 120a
Alt-s fuse 7.5a
Battery
Battery ground
C28
Center j/b (behind left side of dash, right of steering column)
Clutch start cancel switch (m/t) (under left side of dash)
Clutch start switch (m/t) (under left side of dash)
Combination meter
Driver side j/b (lower left side of dash)
E12
E14
E16
E22
E3 (engine harn, left front fender)
Engine control module (behind right side of dash)
Engine room r/b (left side of engine compt, on inner fender panel)
G100 (front of left front fender)
G201
Gauge fuse 10a
Hot in on or start
I21 (dash harness, lower left side of dash)
Ignition switch
J/c 9 (behind right side of dash, on top)
M/t
Nca
Nsw
Off
P/ n
Park/ neutral position switch (a/t) (on transmission)
Solid state
Sta
Sta fuse 7.5a
Start
Starter
Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Toyota 4Runner 1999

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List of elements for Supplemental Restraint Wiring Diagram for Toyota 4Runner 1999:

(left kick panel) g200
(right kick panel) g203
+sl
+sr
-sl
-sr
A10
A11
A12
Acc
Acc fuse 15a
Air bag squib (front passenger air bag assembly)
Air bag squib (steering wheel pad)
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
C10
C11
C12
C17
C22
Center air bag sensor assembly (behind lower center of dash)
Center j/b (behind left side of dash, to right of steering column)
Combination meter
Data link connector (dlc) 1 (partial) (on left side of engine compartment)
Data link connector (dlc) 3 (partial) (under center left side of dash, between console & steering column)
Driver side j/b (on lower left side of dash)
Ecu-b fuse 7.5a
Hot at all times
Hot in acc or on
Hot in on or start
Ig2
Ign fuse 10a
J/c 3 (behind left side of dash, on top)
J/c 6 (behind left side of dash, at center j/b)
Left front air bag sensor (on left front of engine compartment, behind bumper)
Left pretensioner
Pl+
Pl-
Pr+
Pr-
Right front air bag sensor (on right front of engine compartment, behind bumper)
Right pretensioner
Sil
Spiral cable
Srs warning light

TRANSMISSION

2.7L

2.7L, A/T Wiring Diagram for Toyota 4Runner 1999

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List of elements for 2.7L, A/T Wiring Diagram for Toyota 4Runner 1999:

(behind right side of dash) j/c j7,j8
(i/p harn, center of dash)
(i/p harn, left side of dash)
(i/p harn, right side of dash)
(left front fender) g100
(on trans/transfer case assembly)
(on transmission) park/neutral position switch
A/t fluid temperature sensor (in trans)
A/t oil temp
A/t p
Batt
C15
C25
C26
C27
C28
C29
Center j/b (right of steering column)
Combination meter
Cruise control system
Detection switch (transfer l4 position)
Detection switch (transfer neutral position)
Driver side j/b (lower left side of dash)
E10
E16
E18
E22
Ect pwr
Efi
Efi fuse 20a
Electronically controlled transmission solenoid (in transmission)
Engine control module (behind right side of dash)
Engine coolant
Engine room r/b (left side of eng compt)
Eo1
Eo2
Eo3
F10
G131 (on intake manifold)
G200 (left kick panel)
G201
Guage fuse 10a
Hot at all times
Hot in on or start
Hot in start
I11
I19
Ign fuse 10a
J/c 9 (upper right end of dash)
J/c j7,j8 (behind right side of dash)
Nsw
O/d main switch (below center console)
O/d off
Od1
Od2
Oil
Oil-w
Pwr
Relay (in engine room r/b)
Rl nl
Sol
Sp1
Sp2+
Sp2-
Speedo- meter
Sta fuse 7.5a
Starting/ charging
Stop fuse 10a
Stop light switch (above brake pedal)
Temperature sensor (top front of engine)
Tfn
Throttle position sensor (on throttle body assy)
Thw
Transmission pattern select switch (center console)
Vehicle speed sensor (electro- nically controlled transmission) (in transmission)
Vta

4WD Wiring Diagram, with 2-4 Select Switch for Toyota 4Runner 1999

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List of elements for 4WD Wiring Diagram, with 2-4 Select Switch for Toyota 4Runner 1999:

(behind left side of dash)
(left kick panel) differential lock ecu
2-4
2-4 select motor (on transfer case)
2-4 select switch (on shift lever)
4wd
4wd ecu (left kick panel)
4wd fuse 20a
4wd ind
A/t indicator light switch (part of park/neutral position switch)
A/t p ind
Abs ecu (right kick panel)
Add
Add indicator switch (center middle of engine compt)
C/c
C25
C28
C29
Center diff lock
Center j/b (behind left side of dash)
Combination meter
Cruise control actuator w/ecu (right side of engine compt)
Detection switch (h2 & h4f) (transfer case)
Detection switch (l4 position) (transfer case)
Detection switch (n position) (transfer case)
Detection switch (shift diff lock) (transfer case)
Detection switch (transfer diff lock) (transfer case)
Driver side j/b (lower left side of dash)
E12
E13
E16
Engine control module (behind right side of dash)
Ex1
Ex13
G100
G201
Gauge fuse 10a
Gnd
Hot in on or start
I11
I12 (dash harn, right side of dash)
I20 (dash harn, right side of dash)
Ind1
Ind2
J/c 1, j/c 2 (left inner fender panel)
J/c 3
J/c 5 (behind left side of dash)
J/c 7, j/c 8 (behind right side of dash)
J/c 9 (behind right side of dash)
Pnk
Spd
Speed- ometer
Tfn
Tl1
Tl2
Tl3
Tm1
Tm2
Vsv (2wd, add) (left side of engine compt)
Vsv (4wd, add) (left side of engine compt)

4WD Wiring Diagram, without 2-4 Select Switch for Toyota 4Runner 1999

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List of elements for 4WD Wiring Diagram, without 2-4 Select Switch for Toyota 4Runner 1999:

(behind left side of dash)
(dash harn, right side of dash) i11
(dash harn, right side of dash) i12
(transfer case)
2.7l
2.7l except california
3.4l
3.4l, 2.7l california
4wd
4wd fuse 20a
4wd ind
A/t indicator light switch (part of park/neutral position switch)
A/t parking ind
Abs ecu (right kick panel)
Add control relay (behind right side of dash)
Add indicator switch (middle of engine compt)
C25
C26
C29
Center j/b (behind left side of dash)
Combination meter
Dectection switch (transfer 4wd pos) (transfer case)
Dectection switch (transfer l4 pos) (transfer case)
Detection switch (transfer neutral position)
Differential lock ecu (left kick panel)
Driver side j/b (lower left side of dash)
E13
E16
Engine control module (behind right side of dash)
Ex1
Ex13
G100 (left front inner fender panel)
G201
Gauge fuse 10a
Hot in on or start
I11
J/c 1, j/c 2 (left inner fender panel)
J/c 3
J/c 5 (behind left side of dash)
J/c 7, j/c 8 (behind right side of dash)
J/c 9 (behind right side of dash)
Nca
Short pin (w/o add)
Tfn
Vsv (2wd, add) (left side of engine compt)
Vsv (4wd, add) (left side of engine compt)
W/ add
W/o add

Rear Differential Lock Wiring Diagram for Toyota 4Runner 1999

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List of elements for Rear Differential Lock Wiring Diagram for Toyota 4Runner 1999:

(behind left side of dash)
(dash harn, right side of dash) i11
(in front of left rear wheelwell) j/c 12
2.7l
2.7l except california
3.4l
3.4l, 2.7l california
4wd
4wd fuse 20a
A17
Abs ecu (right kick panel)
C28
C29
Center j/b (right of steering column)
Combination meter
Detection switch (transfer l4 position) (transfer case)
Differential lock ecu (left kick panel)
Driver side j/b (lower left side of dash)
E12
E14
E16
E18
Engine control module (right side of dash)
Exi2
Exi3
Free
G201
G202
Gauge fuse 10a
Gnd
Hot in on or start
J/c 13
J/c 3
J/c 4 (behind left side of dash)
J/c 7,
J/c 8 (behind right side of dash)
J/c 9 (behind right side of dash)
Limit switch
Lock
Rear diff lock ind
Rear differential lock control switch
Rear differential lock detection switch
Rear differential lock motor (on differential)
Rel1
Rel2
Rlp
Rly1
Rly2
Sp1
Spd
Speed- ometer
Vehicle speed sensor (2.7l only) (on transmission)

3.4L

3.4L, A/T Wiring Diagram for Toyota 4Runner 1999

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List of elements for 3.4L, A/T Wiring Diagram for Toyota 4Runner 1999:

(behind right side of dash) j/c j7,j8
(i/p harn, center of dash)
(i/p harn, left side of dash)
(i/p harn, right side of dash)
(left front fender)
(on trans/transfer case assembly)
(on transmission) park/neutral position switch
A/t fluid temperature sensor (in trans)
A/t oil temp
A/t p
Batt
C11
C25
C26
C27
C28
C29
Center j/b (right of steering column)
Combination meter
Cruise control system
Detection switch (transfer l4 position)
Detection switch (transfer neutral position)
Driver side j/b (lower left side of dash)
E05
E10
E16
E18
E22
Ect pwr
Efi
Efi fuse 20a
Electronically controlled transmission solenoid (in transmission)
Engine control module (behind right side of dash)
Engine coolant
Engine room r/b (left side of eng compt)
Eo1
Eo2
Eo3
F10
G100
G131 (on intake manifold)
G200 (left kick panel)
G201
Guage fuse 10a
Hot at all times
Hot in on or start
Hot in start
I11
I19
Ign fuse 10a
Igsw
J/c 9 (upper right end of dash)
J/c j7,j8 (behind right side of dash)
Mrel
Nsw
O/d main switch (below center console)
O/d off
Od1
Od2
Oil
Oil-w
Pwr
Relay (in engine room r/b)
Rl nl
Sol
Sp1
Sp2+
Sp2-
Speedo- meter
Sta fuse 7.5a
Starting/ charging
Stop fuse 10a
Stop light switch (above brake pedal)
Temperature sensor (top front of engine)
Tfn
Throttle position sensor (on throttle body assy)
Thw
Transmission pattern select switch (center console)
Vehicle speed sensor (electro- nically controlled transmission) (on transmission)
Vta