ENGINE PERFORMANCE – Toyota Sequoia Limited 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.7L

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

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

• (right side of engine compt) mass air flow meter
• (top front of engine) throttle body motor assembly
• (top of left cylinder bank) fuel injector 1
• (top of left cylinder bank) fuel injector 3
• (top of left cylinder bank) fuel injector 5
• (top of left cylinder bank) fuel injector 7
• (top of right cylinder bank) fuel injector 2
• (top of right cylinder bank) fuel injector 4
• (top of right cylinder bank) fuel injector 6
• (top of right cylinder bank) fuel injector 8
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (left rear of engine)
• Air fuel ratio sensor (bank 2 sensor 1) (right rear of engine)
• D4 (left rear of engine)
• D56
• E2g
• Ekn2
• Eknk
• Engine control module (behind right side of dash)
• Eta
• Etha
• Ethw
• Ex1b
• Ex2b
• G2-
• Ha1a
• Ha2a
• Ht1b
• Ht2b
• Igf1
• Igf2
• J/c d53 (right rear of engine compt)
• Knk1
• Knk2
• Knock sensor (bank 2) (top right side of engine)
• Me01
• Nca
• Ne+
• Ne-
• Nsw
• Nt+
• Nt-
• Ox1b
• Ox2b
• Oxygen sensor (bank 1 sensor 2) (rear of catalytic converter)
• Oxygen sensor (bank 2 sensor 2) (rear of catalytic converter)
• Pnk
• Ppmp
• Psp
• Red
• Sp2+
• Sp2-
• Tha
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (turbine) (on transmission)
• Vcta
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

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

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

• (left side of engine compt) j/c a54
• (right front of engine) engine coolant temperature sensor
• (top left side of engine) vvt sensor (bank 1)
• (top right side of engine) vvt sensor (bank 2)
• A/f fuse 15a
• A/f relay
• A/pump fuse 50a
• A2 (left side of engine compt)
• Acis vsv (top left rear of engine)
• Camshaft position sensor (front of left cylinder head)
• Camshaft timing oil control valve (bank 1) (top left side of engine)
• Camshaft timing oil control valve (bank 2) (top right side of engine)
• Crankshaft position sensor (lower front of engine)
• D5 (left side of engine)
• D6 (right rear of engine
• Efi 1 fuse 25a
• Efi main relay
• Engine room j/b (left side of engine compt)
• Hot at all times
• J/c d53 (right rear of engine compt)
• Knock sensor (bank 1) (top left side of engine)
• Nca
• Purge vsv (top left of engine)
• Red

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

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

• (left rear of engine d4
• (left rear of engine) air switching valve (bank 1)
• (left side of engine compt) air injection control driver (bank 1)
• (left side of engine compt) air injection control driver (bank 2)
• (right front of engine) air pump assembly (bank 2)
• (right front of engine) power steering oil pressure sensor
• (right rear of engine compt) j/c d53
• (right rear of engine) air switching valve (bank 2)
• (right side of engine) air pump assembly (bank 1)
• (right side of engine) d7
• +b2
• +bl
• Acis
• Aip
• Aip2
• Airp
• Arp2
• Bat2
• Batt
• D31
• D32
• D33
• D34
• D5 (left side of engine)
• D56
• D6 (right rear of engine)
• D7 (right side of engine)
• Di2
• E03
• E1 (top of engine)
• E22
• Engine control module (behind right side of dash)
• Gnd
• Gndl
• Igf2
• Ignition coil assembly 2 (top of right cylinder bank)
• Ignition coil assembly 3 (top of left cylinder bank)
• Ignition coil assembly 5 (top of left cylinder bank)
• Ignition coil assembly 8 (top of right cylinder bank)
• Igt2
• Igt3
• Igt5
• Igt8
• J/c d54 (right rear of engine compt)
• Noise filter (ignition bank 1) (on left cylinder bank)
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Pnk
• Prg
• Psp
• Red
• Sip
• Sip2
• Siv
• Siv2
• Vc2
• Vp2
• Vv2

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

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

• (under rear of vehicle) canister pump module
• A/pump fuse 50a
• A48
• A52
• A53
• Canister pressure sensor
• Efi 2 fuse 10a
• Electronically controlled transmission solenoid (on transmission)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left side of engine compt)
• Etcs fuse 10a
• Hot at all times
• Hot in on or start
• Ign fuse 10a
• Inj fuse 10a
• J/c a48 & a49 (behind left end a49 of dash)
• J/c a52 & a53 (behind left end of dash)
• J/c a53 (behind left end of dash)
• Leak detection pump
• Pnk
• Red
• Stop fuse 15a
• Stop light switch (on bracket above brake pedal)
• Transmission revolution sensor (counter gear) (on transmission)
• Vent valve

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

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

• (behind left kick panel) h1
• (right
• (right rear of engine) d6
• +bm
• A50
• A51
• A61
• Acc
• Aid2
• Aidi
• Airv
• Alt
• Anti-lock brakes system
• Buzzer
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• D55
• D56
• Dim
• Diode (starting)
• E01
• E02
• E04
• E05
• Engine control module (behind right side of dash)
• Ge01
• Ha1a
• Ha2a
• Hot at all times
• Ht1b
• Ht2b
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• J/b 3 (behind right end of dash)
• J/c a50 & a51 (behind right a51 kick panel)
• J/c d55 & a61 (right rear of engine compt) d55
• J/c h77 (behind left side of dash)
• J/c h83 (behind right side of dash)
• J/c h85 (behind left side of dash)
• Lcd (sequential shift)
• Lock
• Malfunction ind
• Off
• Park/neutral position switch (on transmission)
• Pnk
• Power circuit
• Red
• Side of engine) d7
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Star
• Start
• Starting/ charging system
• Starting/charging system

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

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

• (at fuel tank) fuel pump control ecu
• (behind left side of dash) j/c h80
• (inside fuel tank) fuel sender gauge assembly
• +b2
• A27
• A4 (right side of engine) compt)
• Ac1
• Accelerator pedal sensor (at accelerator pedal assembly)
• Act
• Aip
• Aip2
• Air conditioning system
• Anti-theft system
• Arv2
• Batt
• C/opn relay
• Canh
• Canl
• Computer data lines system
• D55
• D6 (right rear of engine)
• Driver side j/b (behind left end of dash)
• Engine control module (behind right side of dash)
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• Fp-
• Fpc
• Gnd
• H3 (behind right kick panel)
• H79
• H80
• H86
• H87
• Hot in on or start
• Igf1
• Ignition coil assembly 1 (top of left cylinder bank)
• Ignition coil assembly 4 (top of right cylinder bank)
• Ignition coil assembly 6 (top of right cylinder bank)
• Ignition coil assembly 7 (top of left cylinder bank)
• Igsw
• Igt1
• Igt4
• Igt6
• Igt7
• Ill+
• Ill-
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• J/c d54 (right rear of engine compt)
• J/c h77 (behind left side of dash)
• J/c h79 & h80 (behind left side of dash)
• J/c h86 & h87 (behind (left side of dash)
• J/c o40 (behind left rear quarter- panel)
• Lh-ig fuse 7.5a
• Met fuse 7.5a
• Mpmp
• Mrel
• Noise filter (ignition bank 2) (on right cylinder bank)
• O1 (in left "b" pillar)
• O35
• O36
• Pnk
• Pump
• Red
• Sftd
• Sftu
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Stsw
• Tach
• Tfn
• Transmission control switch
• Transmissions system
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp

5.7L

5.7L, Engine Performance Wiring Diagram (1 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (1 of 7) for Toyota Sequoia Limited 2008:

• (right front of engine) throttle body motor assembly
• (right side of engine compt) mass air flow meter
• (top of left cylinder bank) fuel injector 1
• (top of left cylinder bank) fuel injector 3
• (top of left cylinder bank) fuel injector 5
• (top of left cylinder bank) fuel injector 7
• (top of right cylinder bank) fuel injector 2
• (top of right cylinder bank) fuel injector 4
• (top of right cylinder bank) fuel injector 6
• (top of right cylinder bank) fuel injector 8
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (left rear of engine)
• Air fuel ratio sensor (bank 2 sensor 1) (right rear of engine)
• D1 (left rear of engine)
• D2 (right rear of engine)
• D56
• E2g
• Ekn2
• Ekn4
• Eknk
• Engine control module (behind right side of dash)
• Enk3
• Eta
• Etha
• Ethw
• Ev1+
• Ev1-
• Ex1b
• Ex2b
• G2-
• Ha1a
• Ha2a
• Ht1b
• Ht2b
• Igf1
• Igf2
• J/c d53 (right rear of engine compt)
• Knk1
• Knk2
• Knk3
• Knk4
• Knock control sensor (bank 2 sensor 1) (top right side of engine)
• Me01
• Nca
• Ne+
• Ne-
• Nsw
• Nt+
• Nt-
• Ox1b
• Ox2b
• Oxygen sensor (bank 1 sensor 2) (rear of catalytic converter)
• Oxygen sensor (bank 2 sensor 2) (rear of catalytic converter)
• Pnk
• Ppmp
• Psp
• Red
• Sp2+
• Sp2-
• Tha
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (turbine) (on transmission)
• Vcta
• Vcv1
• Vcv2
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

5.7L, Engine Performance Wiring Diagram (2 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 7) for Toyota Sequoia Limited 2008:

• (left front of engine) engine coolant temperature sensor
• (left side of engine compt) j/c a54
• (left side of engine vvt sensor (bank 1 intake side)
• (left side of of engine) vvt sensor (bank 1 exhaust side)
• A/f fuse 15a
• A/f relay
• A/pump fuse 50a
• A2 (behind left headlight assembly)
• Camshaft position sensor (front of left cylinder head)
• Crankshaft position sensor (left side of engine)
• Efi 1 fuse 25a
• Efi main relay
• Engine room j/b (left side of engine compt)
• Ex+
• Ex-
• Hot at all times
• J/c d53 (right rear of engine compt)
• Knock control sensor (bank 1 sensor 1) (top left side of engine)
• Knock control sensor (bank 1 sensor 2) (top left side of engine)
• Knock control sensor (bank 2 sensor 2) (top right side of engine)
• Ne+
• Ne-
• Purge vsv (top left of engine)
• Red
• Vc2
• Vvl+
• Vvl-

5.7L, Engine Performance Wiring Diagram (3 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 7) for Toyota Sequoia Limited 2008:

• (left rear of engine) d1
• (left side of engine compt) air injection control driver (bank 2)
• (right front of engine) air pump assembly (bank 2)
• (right rear of engine) d2
• (right side of engine) vvt sensor (bank 2 exhaust side)
• (right side of engine) vvt sensor (bank 2 intake side)
• +b2
• Acis
• Acis vsv (top left rear of engine)
• Airp
• Arp2
• Bat2
• Camshaft timing oil control valve (bank 1 exhaust side) (left front of engine)
• Camshaft timing oil control valve (bank 1 intake side) (top left side of engine)
• Camshaft timing oil control valve (bank 2 exhaust side) (right front of engine)
• Camshaft timing oil control valve (bank 2 intake side) (top right side of engine)
• D33
• D34
• D56
• Di2
• E03
• Engine control module (behind right side of dash)
• Ev2+
• Ev2-
• Ex+
• Ex-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Prg
• Red
• Sip2
• Siv2
• Vc2
• Vp2
• Vv2
• Vvr+
• Vvr-

5.7L, Engine Performance Wiring Diagram (4 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 7) for Toyota Sequoia Limited 2008:

• (left rear of engine) air switching valve (bank 1)
• (left rear of engine) d1
• (left side of engine compt) air injection control driver (bank 1)
• (right front of engine) air pump assembly (bank 1)
• (right front of engine) power steering oil pressure sensor
• (right rear of engine) air switching valve (bank 2)
• (right rear of engine) d3
• +bl
• Aip
• Aip2
• Batt
• D3 (right rear of engine
• D31
• D32
• E22
• Gnd
• Gndl
• Igf2
• Ignition coil assembly 2 (top of right cylinder bank)
• Ignition coil assembly 3 (top of left cylinder bank)
• Ignition coil assembly 5 (top of left cylinder bank)
• Ignition coil assembly 8 (top of right cylinder bank)
• Igt2
• Igt3
• Igt5
• Igt8
• J/c d54 (right rear of engine compt)
• Noise filter (ignition bank 1) (on left cylinder bank)
• Pnk
• Psp
• Red
• Sip
• Siv
• Vc2

5.7L, Engine Performance Wiring Diagram (5 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (5 of 7) for Toyota Sequoia Limited 2008:

• (right rear of engine) d2
• (under rear of vehicle) canister pump module
• A/pump fuse 50a
• A48
• A52
• A53
• Canister pressure sensor
• D41
• D42
• Efi 2 fuse 10a
• Electronically controlled transmission solenoid (on transmission)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left side of engine compt)
• Etcs fuse 10a
• Hot at all times
• Hot in on or start
• Ign fuse 10a
• Inj fuse 10a
• J/c a48 & a49 (behind left end a49 of dash)
• J/c a52 & a53 (behind left end of dash)
• J/c a53 (behind left end of dash)
• Leak detection pump
• Ot+
• Ot2+
• Ot2-
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Stop fuse 15a
• Stop light switch (on bracket above brake pedal)
• Transmission revolution sensor (counter gear) (on transmission)
• Vent valve

5.7L, Engine Performance Wiring Diagram (6 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (6 of 7) for Toyota Sequoia Limited 2008:

• (behind left kick panel) h1
• (left rear of engine) d1
• (right rear of engine) d2
• +bm
• A50
• A51
• A61
• Acc
• Aid2
• Aidi
• Airv
• Alt
• Anti-lock brakes system
• Buzzer
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• D2 (right rear of engine)
• D55
• D56 ht1b
• Dim
• Diode (starting)
• E01
• E02
• E04
• E05
• Engine control module (behind right side of dash)
• Ge01
• Ha1a
• Ha2a
• Hot at all times
• Ht2b
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• J/b 3 (behind right end of dash)
• J/c a50 & a51 (behind left kick panel)
• J/c d55 & a61 (right rear of engine compt) d55
• J/c h77 (behind left side of dash)
• J/c h83 (behind right side of dash)
• J/c h85 (behind left side of dash)
• Lcd (sequential shift)
• Lock
• Malfunction ind
• Off
• Park/neutral position switch (on transmission)
• Pnk
• Power circuit
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Star
• Start
• Starting/ charging system
• Starting/charging system

5.7L, Engine Performance Wiring Diagram (7 of 7) for Toyota Sequoia Limited 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (7 of 7) for Toyota Sequoia Limited 2008:

• (behind left headlight assembly) a2
• (behind left rear quarterpanel) j/c o40
• (behind left side of dash) j/c h80
• +b2
• A27
• A4 (right side of engine compt)
• Ac1
• Accelerator pedal sensor (on accelerator pedal assembly)
• Act
• Aip
• Aip2
• Air conditioning system
• Anti-theft system
• Arv2
• Batt
• C/opn relay
• Canh
• Canl
• Computer data lines system
• D3 (right rear of engine
• D55
• Driver side j/b (behind left end of dash)
• Engine control module (behind right side of dash)
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• F/pmp fuse 15a
• F/pmp relay
• Fp-
• Fpc
• Fuel pump control ecu (at fuel tank)
• Fuel sender gauge assembly (inside fuel tank)
• Gnd
• H3 (behind right kick panel)
• H79
• H80
• H86
• H87
• Hot at all times
• Hot in on or start
• Igf1
• Ignition coil 6 (top of right cylinder bank)
• Ignition coil 7 (top of left cylinder bank)
• Ignition coil assembly 1 (top of left cylinder bank)
• Ignition coil assembly 4 (top of right cylinder bank)
• Igsw
• Igt1
• Igt4
• Igt6
• Igt7
• Ill+
• Ill-
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• J/c a54 (left side of engine compt)
• J/c d54 (right rear of engine compt)
• J/c h77 (behind left side of dash)
• J/c h79 & h80 (behind left side of dash)
• J/c h86 & h87 (behind left side of dash)
• Lh-ig fuse 7.5a
• Met fuse 7.5a
• Mpmp
• Mrel
• Noise filter (ignition bank 2) (on right cylinder bank)
• O1 (in left "b" pillar)
• O35
• O36
• Pattern select switch assembly
• Pnk
• Pump
• Pwr
• Red
• Sftd
• Sftu
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Stsw
• Tach
• Tfn
• Transmission control switch
• Transmissions system
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp