ENGINE PERFORMANCE – Toyota 4Runner Limited 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota 4Runner Limited 2008:

• (4wd)
• (behind right end of dash) j/c 31 & 32
• (behind right side of dash, near firewall grommet) j/c 27
• (inj 1, 3 & 5: top left of intake manifold) (inj 2, 4 & 6: top right of intake manifold) fuel injectors
• (on front of left cylinder head) left camshaft timing oil control valve
• (on front of left cylinder head) right camshaft timing oil control valve
• (on front of right cylinder head) right vvt sensor (bank 2)
• (on left side of engine) crankshaft position sensor
• +b2
• +bm
• 4wd
• 4wd control ecu (behind lower right end of dash)
• Accel position sensor (behind left side of dash)
• Accr
• Add
• Add actuator (4wd)
• Air conditioning system
• Batt
• Canister pressure sensor
• Canister pump module (at rear of vehicle)
• Computer data lines system
• Ee (on rear of right cylinder head)
• Ef (on rear of left cyl head)
• Engine control module (ecm) (behind right end of dash)
• Ep1
• Ep2
• Epa
• Epa2
• F10
• Fpr
• Grommet)
• Igsw
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• J/c 28 (behind right side of dash, near firewall
• J/c 29 & 30 (behind right end of of dash)
• J/c 31 & 32 (behind right end of dash)
• J/c 8 (behind inst cluster)
• J29
• J30
• J31
• J32
• Leak detection pump
• Left vvt sensor (bank 1) (on front of left cylinder head)
• Mpmp
• Mrel
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Power steering oil pressure switch (at right front of engine compt)
• Ppmp
• Psw
• Red
• Sta
• Stp
• Stsw
• Vcp1
• Vcp2
• Vcpa
• Vent valve
• Vpa
• Vpa1
• Vpa2
• Vpmp
• Vv1+
• Vv1-
• Vv2+
• Vv2-

4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota 4Runner Limited 2008:

• (on left front inner fender) eb
• A/f heater fuse 15a
• A/f heater relay
• Af+
• Af-
• Air
• Air fuel ratio sensor (bank 1 sensor 1) (on right exhaust pipe, near eng)
• Air fuel ratio sensor (bank 2 sensor 1) (on left exhaust pipe, near eng)
• Bo (on left "d" pillar)
• C/opn relay
• Conditioning
• Ee (on rear of right cylinder head)
• Efi 2 fuse 10a
• Efi fuse 20a
• Efi relay
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• Fuel pump (under center of rear seat, in fuel tank)
• Fuel pump relay
• Fuel pump resistor (on left side of engine comp, behind engine room r/b)
• Heated oxygen sensor (bank 1 sensor 2) (on right exhaust pipe, near trans)
• Heated oxygen sensor (bank 2 sensor 2) (on left exhaust pipe, near trans)
• Hot at all times
• J/c 2 & 3 (on left front of engine compt)
• J/c 27 (behind right side of dash, near firewall grommet)
• J/c 28 (behind right side of dash, near firewall grommet)
• J/c 4 (behind upper left end of dash)
• J/c 40 & 41 (on left side of cargo area, near "d" pillar)
• J40
• J41
• Nca
• Pnk
• Stop fuse 10a
• System

4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota 4Runner Limited 2008:

• (behind right center of dash) center j/b
• (behind right side of dash, near firewall grommet) j/c 27
• (behind upper left end of dash) j/c 4
• (on rear of left cylinder head)
• A1a+
• A1a-
• A2a+
• A2a-
• Acc
• Driver side j/b (behind lower left end of dash)
• E23
• Ee (on rear of right cyl head)
• Ekn2
• Eknk
• Engine control module (ecm) (behind right end of dash)
• Eo3
• Eo4
• Eo5
• Ha1a
• Ha2a
• Hot at all times
• Ht2b
• Ign fuse 10a
• Ignition switch
• J/c 4 (behind upper left end of dash)
• J11
• Knk1
• Knk2
• Knock sensor (bank 1) (on top of engine)
• Knock sensor (bank 2) (on top of engine)
• Lock
• Me01
• Nca
• Nt+
• Nt-
• Ox2b
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Sta 2 fuse 7.5a
• Star/nsw
• Start
• Starting/ charging system
• Stop light switch (behind left side of dash, above brake pedal)
• Th01
• Th02
• Turbine speed sensor (left side of transmission)
• Vehicle speed sensor (electronically controlled transmission) (on transmission)

4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota 4Runner Limited 2008:

• C10
• C11
• Center j/b (behind right center of dash)
• Combination meter
• Computer data lines system
• Driver side j/b (behind lower left end of dash)
• Ee (on rear of right cylinder)
• Electronically controlled transmission solenoid (on transmission)
• Gauge fuse 7.5a
• Hot in on or start
• Indicator light malfunction
• J/c 29 & 30 (behind right end of dash)
• J/c 31 & 32 (behind right end of dash)
• J/c 8 & 9 (behind instrument cluster)
• J29
• J31
• J32
• K11
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Red
• Skid control ecu (w/ actuator) (left rear of engine compt)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1
• Speedometer
• Tachometer
• Temp ind a/t oil

4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota 4Runner Limited 2008:

• (at rear of engine) noise filter (ignition 1)
• (behind right center of dash)
• (ign 1, 3 & 5: top of left valve cover)
• (ign 2, 4 & 6: top of right valve cover)
• (on right side of eng compt, on air intake) mass airflow meter
• Center j/b
• Defog fuse 30a
• Dome fuse 10a
• E2g
• Ef (on rear of left cylinder head)
• Engine coolant temperature sensor (on upper left side of engine)
• Engine room r/b (on left side of engine compt)
• Hot at all times
• Hot w/ defog relay energized
• Ignition coil & igniters
• J/c 10 & 11 (behind instrument cluster)
• J/c 22 (behind instru- ment cluster)
• J/c 29 & 30 (behind right end of dash)
• J/c 7 (behind left end of dash)
• J/c 8 & 9 (behind instrument cluster)
• J10
• J11
• J29
• J30
• Pnk
• Red
• Red d
• Red h
• Tha

4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota 4Runner Limited 2008:

• (behind instrument cluster) j/c 20
• (behind left end of dash) j/c 7
• (behind right center of dash) j/c 25
• (behind right end of dash)
• (on rear of right cylinder head) ee
• (on throttle body) throttle control motor & throttle position sensor
• Ac1
• Acis
• Act
• Air conditioning system
• At2
• At4
• Atd
• Atl
• Canh
• Canl
• Computer data lines system
• Driver side j/b (behind lower left end of dash)
• E01
• E02
• E2g
• Efii
• Efio
• Els1
• Els2
• Engine control module (ecm) (behind right end of dash)
• Exterior lights system
• F/ps
• Ge01
• Hot in on or start
• Ht1b
• Ig 1 fuse 15a
• Igf1
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Imi
• Imo
• J/c 31 & 32 (behind right end of dash)
• J/c 33 & 34 (behind right end of dash)
• J/c 35 & 36
• J31
• J32
• J33
• J34
• J35
• J36
• Nca
• Nssd
• Nssl
• Oilw
• Ox1b
• Park/neutral position switch (on right side of transmission)
• Pnk
• Prg
• Red
• Spd
• Tach
• Tha
• Thw
• Thwo
• Transmission control switch
• Transponder key computer (behind upper right side of dash)
• Vsv (acis) (on rear of engine)
• Vsv (purge) (on upper left side of engine)
• Vta1
• Vta2

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Toyota 4Runner Limited 2008:

• (4wd)
• (behind right
• (behind right end of dash) j/c 31 & 32
• (behind right end of of dash) j/c 29 & 30
• (behind right kick panel) j/c 37
• (inj 1, 3, 5 & 7: top left of intake manifold) (inj 2, 4, 6 & 8: top right of intake manifold) fuel injectors
• (on front of left cylinder head)
• (on front of left cylinder head) camshaft position sensor
• (on front of right cylinder head)
• (on lower front of engine) crankshaft position sensor
• (on rear of right cylinder head)
• +b2
• +bm
• 4wd
• 4wd control ecu (behind lower right end of dash)
• A43 vp
• A44
• Accel position sensor (behind left side of dash)
• Accr
• Aida
• Air conditioning system
• Air injection control
• Air pump (top right side of engine)
• Air swit- ching valve (on top of engine)
• Airp
• Airv
• Batt
• Canister pressure sensor
• Canister pump module (at rear of vehicle)
• Computer data lines system
• Driver (left side of engine compt)
• Ed (on left cylinder head)
• Engine control module (ecm) (behind right end of dash)
• Ep1
• Ep2
• Epa
• Epa2
• Fpr
• G2+
• G2-
• Igsw
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• J/c 31 & 32 (behind right end of dash)
• J/c 33 (behind right end of dash)
• J/c 35 & 36 (behind right end of dash)
• J/c 8 (behind instrument cluster)
• J29
• J30
• J31
• J32
• J35
• J36
• Leak detection pump
• Left camshaft timing oil control valve
• Mpmp
• Mrel
• Nca
• Ne+
• Ne-
• Near firewall grommet) j/c 26
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Pnk
• Ppmp
• Red
• Right camshaft timing oil control valve
• Side of dash,
• Sip
• Siv
• Sta
• Stp
• Stsw
• Vcp1
• Vcp2
• Vcpa
• Vent valve
• Vpa
• Vpa1
• Vpa2
• Vpmp
• Vv1+
• Vv1-
• Vv2-
• Vvt sensor (bank 1) (on front of left cylinder head)
• Vvt sensor (bank 2) (on front of right cylinder head)

4.7L, Engine Performance Wiring Diagram (2 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Toyota 4Runner Limited 2008:

• (left cyl- inder head) ed
• (on left front inner fender) eb
• A/f heater fuse 15a
• A/f heater relay
• A/pump fuse 50a
• Af+
• Af-
• Air
• Air fuel ratio sensor (bank 1 sensor 1) (on left exhaust pipe)
• Air fuel ratio sensor (bank 2 sensor 1) (on right exhaust pipe)
• Bo (on left "d" pillar)
• C/opn relay
• Conditioning system
• Efi 2 fuse 10a
• Efi fuse 20a
• Efi relay
• Engine room r/b (on left side of engine compt)
• Etcs fuse 10a
• Fuel pump (under center of rear seat, in fuel tank)
• Fuel pump relay
• Fuel pump resistor (on left side of engine compt, behind engine room r/b)
• Heated oxygen sensor (bank 1 sensor 2) (on left exhaust pipe near transmission)
• Heated oxygen sensor (bank 2 sensor 2) (on right exhaust pipe, near transmission)
• Hot at all times
• J/c 2 & 3 (on left front of engine compt, near battery)
• J/c 26 (behind right side of dash, near firewall grommet)
• J/c 28 (behind right side of dash, near firewall grommet)
• J/c 4 (behind upper left end of dash)
• J/c 40 & 41 (on left side of cargo area, near "d" pillar)
• J40
• J41
• Nca
• Pnk
• Red
• Stop fuse 10a

4.7L, Engine Performance Wiring Diagram (3 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Toyota 4Runner Limited 2008:

• (behind right center of dash) center j/b
• (behind right side of dash, near firewall grommet) j/c 28
• (behind upper left end of dash) j/c 4
• A1a+
• A1a-
• A2a+
• A2a-
• Acc
• Driver side j/b (behind lower left end of dash)
• E23
• Ed (on left cylinder head)
• Ee (on rear of right cylinder head)
• Ekn2
• Eknk
• Engine control module (ecm) (behind right end of dash)
• Eo3
• Eo4
• Eo5
• Ha1a
• Ha2a
• Hot at all times
• Ht2b
• Ign fuse 10a
• Ignition switch
• J/c 4 (behind upper left end of dash)
• J11
• Knk1
• Knk2
• Knock sensor (bank 1) (on left side of engine, below intake manifold)
• Knock sensor (bank 2) (on right side of engine, below intake manifold)
• Lock
• Me01
• Nca
• Nt+
• Nt-
• Ox2b
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Sta 2 fuse 7.5a
• Star/nsw
• Start
• Starting/ charging system
• Stop light switch (behind left side of dash, above brake pedal)
• Th01
• Th02
• Turbine speed sensor (on left side of transmission)
• Vehicle speed sensor (electro- nically controlled transmission) (on transmission)

4.7L, Engine Performance Wiring Diagram (4 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Toyota 4Runner Limited 2008:

• A/t oil temp ind
• C10
• C11
• Center j/b (behind right center of dash)
• Combination meter
• Driver side j/b (behind lower left end of dash)
• Ed (on left cylinder head)
• Electronically controlled transmission solenoid (on transmission)
• Gauge fuse 7.5a
• Hot in on or start
• J/c 29 & 30 (behind right end of dash)
• J/c 31 & 32 (behind right end of dash)
• J/c 8 & 9 (behind instrument cluster)
• J29
• J30
• J31
• J32
• K11
• Malfunction indicator light
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Red
• Skid control ecu (w/ actuator) (left rear of engine compt)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1
• Speedometer
• Tachometer

4.7L, Engine Performance Wiring Diagram (5 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Toyota 4Runner Limited 2008:

• (1 3 5 7 : top of left valve cover)
• (2 4 6 8 : top of right valve cover)
• (behind right end of dash)
• (on right side of eng comp, on air intake) mass airflow meter
• (on upper left side of eng) noise filter (ignition 1)
• (on upper right side of eng) noise filter (ignition 2)
• Center j/b (behind right center of dash)
• Defog fuse 30a
• Dome fuse 10a
• E2g
• Ec (on right cylinder head)
• Ed (on left cylinder head)
• Engine coolant temperature sensor (on right front of engine)
• Engine room r/b (on left side of engine compt)
• Hot at all times
• Hot w/ defog relay energized
• Ignition coil & igniters
• J/c 10 & 11 (behind instrument cluster)
• J/c 22 & 23 (behind instru- j23 ment cluster)
• J/c 29 & 30
• J/c 7 (behind left end of dash)
• J/c 8 & 9 (behind instrument cluster)
• J10
• J11
• J22
• J29
• J30
• Pnk
• Red
• Red d
• Red h
• Tha
• Vsv (air switching valve bank 1) (on right side of engine)
• Vsv (air switching valve bank 2) (on left side of engine)

4.7L, Engine Performance Wiring Diagram (6 of 6) for Toyota 4Runner Limited 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Toyota 4Runner Limited 2008:

• (behind instrument cluster) j/c 20
• (behind left end of dash) j/c 7
• (behind right center of dash) j/c 25
• (on rear of right cylinder head)
• (on throttle body) throttle control motor & throttle position sensor
• (on top of engine) air pressure sensor
• Ac1
• Acis
• Act
• Aip
• Air conditioning system
• Aiv1
• Aiv2
• At2
• At4
• Atd
• Atl
• Canh
• Canl
• Computer data lines system
• Driver side j/b (behind lower left end of dash)
• E01
• E02
• E2g
• Efii
• Efio
• Els1
• Els2
• Engine control module (ecm) (behind right end of dash)
• Exterior lights system
• F/ps
• Ge01
• Hot in on or start
• Ht1b
• Ig 1 fuse 15a
• Igf1
• Igf2
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Imi
• Imo
• Inj 7
• Inj 8
• J/c 31 & 32 (behind right end of dash)
• J/c 33 & 34 (behind right end of dash)
• J/c 35 & 36 (behind right end of dash)
• J31
• J32
• J33
• J34
• J35
• J36
• Nca
• Nssd
• Nssl
• Oilw
• Ox1b
• Park/neutral position switch (on right side of transmission)
• Pnk
• Prg
• Red
• Spd
• Tach
• Tha
• Thw
• Thwo
• Transmission control switch
• Transponder key computer (behind upper right side of dash)
• Vsv (acis) (on rear of engine)
• Vsv (purge) (on upper left side of engine)
• Vta1
• Vta2