ENGINE PERFORMANCE – Toyota 4Runner 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.7L

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

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

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

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

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

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

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