ENGINE PERFORMANCE – Toyota Tundra SR5 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota Tundra SR5 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota Tundra SR5 2012:

• (air intake duct) mass air flow meter
• (left side of engine compt) vvt sensor (bank 1 exhaust side)
• (on throttle body) throttle position sensor
• (rear of engine compt) d9
• (right front of engine) power steering oil pressure switch
• (top left of engine) fuel injector 3
• (top left of engine) fuel injector 5
• (top of engine) fuel injector 1
• (top right of engine) fuel injector 2
• (top right of engine) fuel injector 4
• (top right of engine) fuel injector 6
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (left side exhaust, before catalytic converter)
• Air fuel ratio sensor (bank 2 sensor 1) (right side exhaust, before catalytic converter)
• D74
• D8 (rear of engine compt)
• Da1
• Da2
• E2g
• Ekn2
• Eknk
• Engine control module (right rear of engine compt)
• Eta
• Etha
• Ethw
• Ev1+
• Ev1-
• Ex+
• Ex-
• Ex1b
• Ex2b
• Ha1a
• Ha2a
• Heated oxygen sensor (bank 1 sensor 2) (left side exhaust, after catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (right side exhaust, after catalytic converter)
• Ht1b
• Ht2b
• Igf1
• Knk1
• Knk2
• Knock sensor (bank 2) (left front of engine)
• Me01
• Nca
• Ne+
• Ne-
• Nsw
• Nt+
• Nt-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Psp
• Red
• Sp2+
• Sp2-
• Tha
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (turbine) (in transmission)
• Vc2
• Vcta
• Vcv1
• Vcv2
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota Tundra SR5 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota Tundra SR5 2012:

• (left front of engine compt) engine coolant temperature sensor
• (left front of engine compt) j/c a44
• (left side of engine) vvt sensor (bank 1 intake side)
• (right side of engine) vvt sensor (bank 2 intake side)
• A/f fuse 15a
• A/f relay
• A2 (left side of engine compt)
• Camshaft timing oil control valve (bank 1 exhaust side) (left front of engine)
• Camshaft timing oil control valve (bank 1) intake side) (left front of engine)
• Camshaft timing oil control valve (bank 2 exhaust side) (right front of engine)
• Camshaft timing oil control valve (bank 2) intake side) (right front of engine)
• Crankshaft position sensor (front of engine)
• D9 (rear of engine compt)
• Da3
• Da2
• Efi 1 fuse 25a
• Efi relay
• Engine room j/b (left side of engine compt)
• Hot at all times
• J/c d71 (right rear of engine compt)
• Knock sensor (bank 1) (right front of engine)
• Nca
• Purge vsv (left side of engine)
• Red
• Vvl+
• Vvl-
• Vvr+
• Vvr-

4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota Tundra SR5 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota Tundra SR5 2012:

• (front of engine compt) air pump
• (rear of engine) air switching valve (bank 1)
• (rear of engine) air switching valve (bank 2)
• (right side of engine compt) vvt sensor (bank 2 exhaust side)
• +bl
• Ai pmp htr fuse 10a
• Ai-vsv relay
• Aip
• Aip2
• Air injection control driver
• Air1
• Airp
• Batt
• D10 (rear of engine)
• D74
• D8 (rear of engine compt)
• D86
• D87
• D9 (rear of engine compt)
• Da2
• E03
• E22
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Ev2+
• Ev2-
• Ex+
• Ex-
• Gnd
• Gndl
• Hot at all times
• Igf
• Ignition coil 2 (top right of engine)
• Ignition coil 3 (top left of engine)
• Ignition coil 5 (top left of engine)
• Igt2
• Igt3
• Igt5
• J/c d72 (right rear of engine compt)
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Prg
• Red
• Sip
• Siv
• Vc2

4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota Tundra SR5 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota Tundra SR5 2012:

• (near fuel tank) canister pump module
• (rear of engine compt) d9
• A/pump fuse 50a
• A38
• A42
• A43
• Automatic transmission
• Canister pressure sensor
• Da1
• Da2
• Da3
• Efi 2 fuse 10a
• Engine room j/b (left side of engine compt)
• Engine room r/b (left side of engine compt)
• Etcs fuse 10a
• F/pmp fuse 15a
• Hot at all times
• Hot in on or start
• Ign fuse 10a
• Inj fuse 10a
• J/c a38 & a39 (left side of a39 dash)
• J/c a42 & a43 (left side of dash)
• Leak detection pump
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Ra1
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Stop fuse 15a
• Stop light switch
• Transmission revolution sensor (electronically controlled transmission) (transmission assembly)
• Vent valve

4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota Tundra SR5 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota Tundra SR5 2012:

• (center of dash) j/c j77
• (rear of engine compt) d8
• (rear of engine compt) d9
• +bm
• A/t oil temp ind
• A40
• A41
• A45
• Acc
• Aidi
• Airv
• Aj4
• Aj9
• Alt
• Buzzer
• Canh
• Canl
• Combination meter
• Computer data lines system
• D73
• D74
• D9 (rear of engine compt)
• Da1
• Dim
• Diode (starting) (right side of dash)
• E01
• E02
• E04
• E05
• Engine control module (right rear of engine compt)
• Ge01
• Ha1a
• Ha2a
• Hot at all times
• Ht1b
• Ht2b
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Instrument cluster system
• J/c a40 & a41 (right side of dash) a41
• J/c a45 & d73 (right rear of engine d73 compt)
• J/c j117 (right side of dash)
• J/c j71 (left side of dash)
• J/c j75 & j76 (left side of dash)
• J/c j78 (left side of dash)
• J75
• J76
• Lcd (sequential shift)
• Left side of dash) (floor shift: left kick panel) j1
• Lock
• Mal- function ind
• Off
• Park/neutral position switch (transmission assembly)
• Pnk
• Power circuit
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Star
• Start
• Starting/ charging system
• Starting/charging system

4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota Tundra SR5 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota Tundra SR5 2012:

• (fuel tank assembly) fuel pump control ecu
• (fuel tank assembly) fuel sender gauge
• (left side of dash) j/c j74
• +b2
• A24
• A4 (right side of engine compt)
• Ac1
• Acc fuse 7.5a
• Accelerator pedal position sensor (column shift: left side of dash)
• Act
• Aip
• Aip2
• Air conditioning system
• Aj10
• Aj4
• Anti-theft system
• Batt
• Bk/up lp fuse 10a
• Canh
• Canl
• Ccs
• Column shift
• Computer data lines system
• Cruise control system
• D55
• D65
• D9 (rear of engine compt)
• Da1
• Diode (ignition) (column shift) (left side of dash)
• Driver side j/b (left side of dash)
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• F/pmp relay
• Floor
• Floor shift
• Fp-
• Fpc
• Gnd
• Hot in on or acc
• Hot in on or start
• Igf
• Ignition coil (top left of engine)
• Ignition coil (top right of engine)
• Igsw
• Igt1
• Igt4
• Igt6
• Ill+
• Ill-
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• J/c a36 (right side of dash)
• J/c d72 (right rear of engine compt)
• J/c j71 (left side of dash)
• J/c j73 & j74 (left side of dash)
• J/c j73 & j74 (left side of dash) j73
• J/c j79 & j80 (left side of dash)
• J3 (right kick panel)
• J73
• J74
• J79
• J80
• Lh-ig fuse 7.5a
• Met fuse 7.5a
• Mpmp
• Mrel
• Pnk
• Pump
• Ra1
• Ra2
• Ra3
• Red
• Sender
• Sftd
• Sftu
• Shift
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Stsw
• Tach
• Transmission control switch
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp

4.6L

4.6L, Engine Performance Wiring Diagram (1 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (1 of 8) for Toyota Tundra SR5 2012:

• (air intake duct) mass air flow meter
• (on throttle body) throttle position sensor
• (top left of engine) fuel injector 3
• (top left of engine) fuel injector 5
• (top left of engine) fuel injector 7
• (top of engine) fuel injector 1
• (top right of engine) fuel injector 2
• (top right of engine) fuel injector 4
• (top right of engine) fuel injector 6
• (top right of engine) fuel injector 8
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (left side exhaust, before catalytic converter)
• Air fuel ratio sensor (bank 2 sensor 1) (right side exhaust, before catalytic converter)
• D1 (rear of engine compt)
• D2 (rear of engine compt)
• D74
• Da1
• Df1
• Dh1
• Da1
• E2g
• Ekn2
• Ekn4
• Eknk
• Engine control module (right rear of engine compt)
• Enk3
• Eta
• Ev1+
• Ev1-
• Ex1b
• Ex2b
• G2-
• Ha1a
• Ha2a
• Heated oxygen sensor (bank 1 sensor 2) (left side exhaust, after catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (right side exhaust, after catalytic converter)
• Ht1b
• Ht2b
• Igf1
• Igf2
• J/c d71 (right rear of engine compt)
• Knk1
• Knk2
• Knk3
• Knk4
• Knock sensor (bank 2 sensor 1) (right side of engine)
• Me01
• Nca
• Ne+
• Ne-
• Nsw
• Nt+
• Nt-
• Ox1b
• Ox2b
• Pim
• Pnk
• Ppmp
• Psp
• Red
• Sp2+
• Sp2-
• Tha
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (turbine) (in transmission)
• Vcta
• Vcv1
• Vcv2
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

4.6L, Engine Performance Wiring Diagram (2 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (2 of 8) for Toyota Tundra SR5 2012:

• (left front of engine compt) engine coolant temperature sensor
• (left front of engine compt) j/c a44
• (left side of engine compt) vvt sensor (bank 1 exhaust side)
• (left side of engine compt) vvt sensor (bank 1 intake side)
• A/f fuse 15a
• A/f relay
• A/pump fuse 50a
• A2 (left side of engine compt)
• Camshaft position sensor (left front of engine)
• Crankshaft position sensor (left front of engine)
• Da3
• Da1
• Efi 1 fuse 25a
• Efi relay
• Engine room j/b (left side of engine compt)
• Ex+
• Ex-
• Hot at all times
• Intake manifold vacuum sensor (left front of engine)
• J/c d71 (right rear of engine compt)
• Knock sensor (bank 1 sensor 1) (left front of engine)
• Knock sensor (bank 1 sensor 2) (right rear of engine)
• Knock sensor (bank 2 sensor 2) (right side of engine)
• Ne+
• Ne-
• Pim
• Purge vsv (left side of engine)
• Red
• Vc2
• Vvl+
• Vvl-

4.6L, Engine Performance Wiring Diagram (3 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (3 of 8) for Toyota Tundra SR5 2012:

• (left side of engine compt) air injection control driver (bank 2)
• (rear of engine compt) d1
• (right front of engine compt) air pump (bank 2)
• (right front of engine) egr control valve sub-assembly
• (right side of engine compt) vvt sensor (bank 2 exhaust side)
• (right side of engine) vvt sensor (bank 2 intake side)
• +b1
• +b2
• Acis
• Acis vsv (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) (left front of engine)
• Camshaft timing oil control valve (bank 2 exhaust side) (right front of engine)
• Camshaft timing oil control valve (bank 2 intake side) (right front of engine)
• D2 (rear of engine compt)
• D52
• D54
• D74
• Da1
• Di2
• E03
• Egr1
• Egr2
• Egr3
• Egr4
• Engine control module (right rear of engine compt)
• Ev2+
• Ev2-
• Ex+
• Ex-
• Ht1b
• Ht2b
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Prg
• Red
• Sip2
• Siv2
• Vc2
• Vp2
• Vv2
• Vvr+
• Vvr-

4.6L, Engine Performance Wiring Diagram (4 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (4 of 8) for Toyota Tundra SR5 2012:

• (left rear of engine compt) air injection control driver (bank 1)
• (rear of engine compt) d3
• (rear of engine) air switching valve (bank 1)
• (right front of engine) power steering oil pressure sensor
• (right rear of engine) air switching valve (bank 2)
• (top of engine) air pump (bank 1)
• +bl
• Aip
• Aip2
• Batt
• D3 (rear of engine compt)
• D48
• D50
• E22
• Gnd
• Gndl
• Igf2
• Ignition coil 2 (top right of engine)
• Ignition coil 3 (top left of engine)
• Ignition coil 5 (top left of engine)
• Ignition coil 8 (top right of engine)
• Igt2
• Igt3
• Igt5
• Igt8
• J/c d72 (right rear of engine compt)
• Noise filter (ignition bank 1) (left rear of engine)
• Pnk
• Psp
• Red
• Sip
• Siv
• Transmission revolution sensor (electronically controlled transmission) (transmission assembly)
• Vc2

4.6L, Engine Performance Wiring Diagram (5 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (5 of 8) for Toyota Tundra SR5 2012:

• (near fuel tank) canister pump module
• A/pump fuse 50a
• A38
• A42
• A43
• Canister pressure sensor
• D2 (rear of engine compt)
• Da1
• Da2
• Da3
• Efi 2 fuse 10a
• 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 a38 & a39 (left side of a39 dash)
• J/c a42 & a43 (left side of dash)
• J/c a43 (left side of dash)
• Leak detection pump
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Ra1
• Red
• S3 automatic transmission
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Stop fuse 15a
• Stop light switch
• Vent valve

4.6L, Engine Performance Wiring Diagram (6 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (6 of 8) for Toyota Tundra SR5 2012:

• (column shift: left side of dash) (floor shift: left kick panel) j1
• (rear
• +bm
• A/t oil temperature ind
• A40
• A41
• A45
• Acc
• Aid2
• Aidi
• Airv
• Aj4
• Aj9
• Alt
• Buzzer
• Canh
• Canl
• Combination meter
• Computer data lines system
• D1 (rear of engine compt)
• D2 (rear of engine compt)
• D73
• D74 e01
• Da1
• Dim
• Diode (starting) (right side of dash)
• E02
• E04
• E05
• Egr2
• Egr3
• Engine control module (right rear of engine compt)
• Ge01
• Ha1a
• Ha2a
• Hot at all times
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Instrument cluster system
• Interior lights system
• J/c a40 & a41 (right side of dash)
• J/c a45 & d73 (right rear of engine compt) d73
• J/c j117 (right side of dash)
• J/c j71 (left side of dash)
• J/c j75 & j76 (left side of dash)
• J/c j77 (center of dash)
• J/c j78 (left side of dash)
• J3 (right kick panel)
• J75
• J76
• Lcd (sequential shift)
• Lock
• Mal- function ind
• Of engine compt) d2
• Off
• Park/neutral position switch (transmission assembly)
• Pnk
• Power circuit
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Star
• Start
• Starting/ charging system
• Starting/charging system
• Tow haul ind
• Tow/haul pattern select switch (floor shift)

4.6L, Engine Performance Wiring Diagram (7 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (7 of 8) for Toyota Tundra SR5 2012:

• Acc fuse 7.5a
• Aj4
• Bk/up lp fuse 10a
• Column shift
• D3 (rear of engine compt)
• D55
• D65
• Da1
• Diode (ignition) (column shift) (left side of dash)
• Driver side j/b (left side of dash)
• Floor shift
• Gnd
• Hot in on or acc
• Hot in on or start
• Igf1
• Ignition coil 1 (top left of engine)
• Ignition coil 4 (top right of engine)
• Ignition coil 6 (top right of engine)
• Ignition coil 7 (top left of engine)
• Igt1
• Igt4
• Igt6
• Igt7
• J/c d72 (right rear of engine compt)
• J/c j71 (left side of dash)
• J/c j73 & j74 (left side of dash)
• J73
• J74
• Lh-ig fuse 7.5a
• Noise filter (ignition bank 2) (right
• Pnk
• Rear of engine)
• Red

4.6L, Engine Performance Wiring Diagram (8 of 8) for Toyota Tundra SR5 2012

List of elements for 4.6L, Engine Performance Wiring Diagram (8 of 8) for Toyota Tundra SR5 2012:

• (left side of dash) j/c j74
• (right side of engine compt)
• +b2
• 2wd
• A2 (left side of engine compt)
• A24
• A4 (right side of engine compt)
• Ac1
• Accelerator pedal position sensor (column shift: left side of dash)
• Accr
• Act
• Adj1
• Aip
• Aip2
• Air conditioning system
• Aj10
• Aj4
• Anti-theft system
• Arv2
• Batt
• Canh
• Canl
• Ccs
• Column shift
• Computer data lines system
• Cruise control system
• Da1
• Defogger system
• Els2
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• F/pmp fuse 15a
• F/pmp relay
• Floor shift
• Fp-
• Fpc
• Fuel pump control ecu (fuel tank assembly)
• Fuel sender gauge (fuel tank assembly)
• Hot at all times
• Hot in on or start
• Igsw
• Ill+
• Ill-
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• J/c a36 (right side of dash)
• J/c a44 (left front of engine compt)
• J/c j79 & j80 (left side of dash)
• J3 (right kick panel)
• J79
• J80
• Key interlock solenoid
• Met fuse 7.5a
• Mpmp
• Mrel
• Pnk
• Pump
• Pwr
• Ra1
• Ra2
• Ra3
• Red
• Sftd
• Sftu
• Shift interlock system
• Sls+
• 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 Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (1 of 7) for Toyota Tundra SR5 2012:

• (air intake duct) mass air flow meter
• (on throttle body) throttle position sensor
• (top left of engine) fuel injector 3
• (top left of engine) fuel injector 5
• (top left of engine) fuel injector 7
• (top of engine) fuel injector 1
• (top right of engine) fuel injector 2
• (top right of engine) fuel injector 4
• (top right of engine) fuel injector 6
• (top right of engine) fuel injector 8
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (left side exhaust, before catalytic converter)
• Air fuel ratio sensor (bank 2 sensor 1) (right side exhaust, before catalytic converter)
• D1 (rear of engine compt)
• D2 (rear of engine compt)
• D74
• Da1
• Df1
• Dh1
• Da1
• E2g
• Ekn2
• Ekn4
• Eknk
• Engine control module (right rear of engine compt)
• Enk3
• Eta
• Etha
• Ethw
• Ev1+
• Ev1-
• Ex1b
• Ex2b
• G2-
• Ha1a
• Ha2a
• Heated oxygen sensor (bank 1 sensor 2) (left side exhaust, after catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (right side exhaust, after catalytic converter)
• Ht1b
• Ht2b
• Igf1
• Igf2
• J/c d71 (right rear of engine compt)
• Knk1
• Knk2
• Knk3
• Knk4
• Knock sensor (bank 2 sensor 1) (left front of engine)
• Me01
• Nca
• Ne+
• Ne-
• Nsw
• Nt+
• Nt-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Psp
• Red
• Sp2+
• Sp2-
• Tha
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (turbine) (in transmission)
• Vcta
• Vcv1
• Vcv2
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

5.7L, Engine Performance Wiring Diagram (2 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 7) for Toyota Tundra SR5 2012:

• (left front of engine compt) engine coolant temperature sensor
• (left front of engine compt) j/c a44
• (left side of engine compt) vvt sensor (bank 1 exhaust side)
• (left side of engine) vvt sensor (bank 1 intake side)
• A/f fuse 15a
• A/f relay
• A/pump fuse 50a
• A2 (left side of engine compt)
• Camshaft position sensor (left front of engine)
• Crankshaft position sensor (left rear of engine)
• Da3
• Da1
• Efi 1 fuse 25a
• Efi relay
• Engine room j/b (left side of engine compt)
• Ex+
• Ex-
• Hot at all times
• J/c d71 (right rear of engine compt)
• Knock sensor (bank 1 sensor 1) (right front of engine)
• Knock sensor (bank 1 sensor 2) (right rear of engine)
• Knock sensor (bank 2 sensor 2) (left rear of engine)
• Ne+
• Ne-
• Purge vsv (top center of engine)
• Red
• Vc2
• Vvl+
• Vvl-

5.7L, Engine Performance Wiring Diagram (3 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 7) for Toyota Tundra SR5 2012:

• (double cab: right rear of vehicle) (regular cab: tailgate) r1
• (fuel tank assembly) (5.7l flex fuel) fuel tank solenoid valve
• (left side of engine compt) air injection control driver (bank 2)
• (rear of engine compt) d1
• (right front of engine compt) air pump (bank 2)
• (right side of engine compt) vvt sensor (bank 2 exhaust side)
• (right side of engine) vvt sensor (bank 2 intake side)
• +b2
• Acis
• Acis vsv (rear of engine)
• Ai htr relay
• Airp
• Aph+
• Aphg
• Arp2
• Bat2
• Camshaft timing oil control valve (bank 1 exhaust side) (left front of engine)
• Camshaft timing oil control valve (bank 1 intake side) (left front of engine)
• Camshaft timing oil control valve (bank 2 exhaust side) (right front of engine)
• Camshaft timing oil control valve (bank 2 intake side) (right front of engine)
• D2 (rear of engine compt)
• D3 (rear of engine compt)
• D52
• D54
• D74
• Da1
• Da2
• Di2
• E03
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Ev2+
• Ev2-
• Ex+
• Ex-
• F/pmp vsv relay (5.7l flex fuel)
• Fpcr
• Gnd
• Hai1
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Prg
• Ra1
• Red
• Sip2
• Siv2
• Vc2
• Vp2
• Vv2
• Vvr+
• Vvr-

5.7L, Engine Performance Wiring Diagram (4 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 7) for Toyota Tundra SR5 2012:

• (front of engine compt) air pump (bank 1)
• (left rear of engine compt) air injection control driver (bank 1)
• (rear of engine compt) d3
• (rear of engine) air switching valve (bank 1)
• (rear of engine) air switching valve (bank 2)
• (right front of engine) power steering oil pressure sensor
• +b d50
• +bl
• Ai pmp htr fuse 10a
• Aip
• Aip2
• Aph+ pnk
• Batt
• D3 (rear of engine compt)
• E22
• Engine room r/b (left side of engine compt)
• Gnd
• Gndl
• Hot at all times
• Igf2
• Ignition coil 2 (top right of engine)
• Ignition coil 3 (top left of engine)
• Ignition coil 5 (top left of engine)
• Ignition coil 8 (top right of engine)
• Igt2
• Igt3
• Igt5
• Igt8
• J/c d72 (right rear of engine compt)
• Pnk
• Psp
• Red
• Sip
• Siv
• Vc2
• Vp d48

5.7L, Engine Performance Wiring Diagram (5 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (5 of 7) for Toyota Tundra SR5 2012:

• (near fuel tank) canister pump module
• (rear of engine compt) d2
• A/pump fuse 50a
• A38
• A42
• A43
• Automatic transmission
• Canister pressure sensor
• D63
• D64
• Da1
• Da2
• Da3
• Efi 2 fuse 10a
• 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 a38 & a39 (left side of a39 dash)
• J/c a42 & a43 (left side of dash)
• J/c a42 & a43 (left side of dash) a42
• Leak detection pump
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Ra1
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Stop fuse 15a
• Stop light switch
• Transmission revolution sensor (electronically controlled transmission) (transmission assembly)
• Vent valve

5.7L, Engine Performance Wiring Diagram (6 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (6 of 7) for Toyota Tundra SR5 2012:

• (rear
• +bm
• A/t oil temp ind
• A40
• A41
• A45
• Acc
• Aid2
• Aidi
• Airv
• Aj4
• Aj9
• Alt
• Buzzer
• Combination meter
• Computer data lines system
• D1 (rear of engine compt)
• D2 (rear of engine compt)
• D73
• D74
• Da1
• Dim
• Diode (starting) (right side of dash)
• E01
• E02
• E04
• E05
• Engine control module (right rear of engine compt)
• Ge01
• Ha1a
• Ha2a
• Hot at all times
• Ht1b
• Ht2b
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Instrument cluster system
• Interior lights system
• J/c a40 & a41 (right side of dash)
• J/c a45 & d73 (right rear of engine compt) d73
• J/c j117 (right side of dash)
• J/c j71 (left side of dash)
• J/c j75 & j76 (left side of dash)
• J/c j77 (center of dash)
• J/c j78 (left side of dash)
• J3 (right kick panel)
• J75
• J76
• Lcd (sequential shift)
• Left side of dash) (floor shift: left kick panel) j1
• Lock
• Mal- function ind
• Of engine compt) d2
• Off
• Park/neutral position switch (transmission assembly)
• Pnk
• Power circuit
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Star
• Start
• Starting/ charging system
• Starting/charging system
• Tow haul ind
• Tow/haul pattern select switch (floor shift)

5.7L, Engine Performance Wiring Diagram (7 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L, Engine Performance Wiring Diagram (7 of 7) for Toyota Tundra SR5 2012:

• (5.7l flex fuel) c/opn relay
• (left side of dash) j/c j74
• (left side of engine compt) a2
• (pin 6 to 9 not used)
• +b2
• 2wd
• 5.7l
• 5.7l flex fuel
• A24
• A4 (right side of engine compt)
• Ac1
• Acc fuse 7.5a
• Accelerator pedal position sensor (column shift: left side of dash)
• Accr
• Act
• Adj1
• Aip
• Aip2
• Air conditioning system
• Aj10
• Aj4
• Anti-theft system
• Arv2
• Batt
• Bk/up lp fuse 10a
• Canh
• Canl
• Ccs
• Column shift
• Computer data lines system
• Cruise control system
• D3 (rear of engine compt)
• D55
• D65
• Da1
• Dash)
• Defogger system
• Diode (ignition) (column shift) (left side) of dash)
• Driver side j/b (left side of dash)
• Els2
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• F/pmp fuse 15a
• F/pmp relay
• Floor shift
• Fp-
• Fpc
• Fuel pump control ecu (fuel tank assembly)
• Fuel sender gauge (fuel tank assembly)
• Gnd
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Igf1
• Ignition coil 1 (top left of engine)
• Ignition coil 4 (top right of engine)
• Ignition coil 6 (top right of engine)
• Ignition coil 7 (top left of engine)
• Igsw
• Igt1
• Igt4
• Igt6
• Igt7
• Ill+
• Ill-
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• J/c a36 (right side of dash)
• J/c a44 (left front of engine compt)
• J/c d72 (right rear of engine compt)
• J/c j71 (left side of dash)
• J/c j73 & j74 (left side of dash)
• J/c j73 & j74 (left side of dash) j73
• J/c j73 & j74 (left side of j74
• J/c j79 & j80 (left side of dash)
• J3 (right kick panel)
• J73
• J74
• J79
• J80
• Lh-ig fuse 7.5a
• Met fuse 7.5a
• Mpmp
• Mrel
• Pnk
• Pump
• R11
• Ra1
• Ra2
• Ra3
• Ra4
• Red
• Sender
• Sftd
• Sftu
• Spd
• St1-
• Sta
• Starting/ charging system
• Starting/charging system
• Stp
• Stsw
• Tach
• Tfn
• Tow
• Transmission control switch
• Transmissions system
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp

5.7L FLEX FUEL

5.7L Flex Fuel, Engine Performance Wiring Diagram (1 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (1 of 7) for Toyota Tundra SR5 2012:

• (air intake duct) mass air flow meter
• (on throttle body) throttle position sensor
• (top left of engine) fuel injector 3
• (top left of engine) fuel injector 5
• (top left of engine) fuel injector 7
• (top of engine) fuel injector 1
• (top right of engine) fuel injector 2
• (top right of engine) fuel injector 4
• (top right of engine) fuel injector 6
• (top right of engine) fuel injector 8
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (left side exhaust, before catalytic converter)
• Air fuel ratio sensor (bank 2 sensor 1) (right side exhaust, before catalytic converter)
• D1 (rear of engine compt)
• D2 (rear of engine compt)
• D74
• Da1
• Df1
• Dh1
• Da1
• E2g
• Ekn2
• Ekn4
• Eknk
• Engine control module (right rear of engine compt)
• Enk3
• Eta
• Etha
• Ethw
• Ev1+
• Ev1-
• Ex1b
• Ex2b
• G2-
• Ha1a
• Ha2a
• Heated oxygen sensor (bank 1 sensor 2) (left side exhaust, after catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (right side exhaust, after catalytic converter)
• Ht1b
• Ht2b
• Igf1
• Igf2
• J/c d71 (right rear of engine compt)
• Knk1
• Knk2
• Knk3
• Knk4
• Knock sensor (bank 2 sensor 1) (left front of engine)
• Me01
• Nca
• Ne+
• Ne-
• Nsw
• Nt+
• Nt-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Psp
• Red
• Sp2+
• Sp2-
• Tha
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (turbine) (in transmission)
• Vcta
• Vcv1
• Vcv2
• Vta
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

5.7L Flex Fuel, Engine Performance Wiring Diagram (2 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (2 of 7) for Toyota Tundra SR5 2012:

• (left front of engine compt) engine coolant temperature sensor
• (left front of engine compt) j/c a44
• (left side of engine compt) vvt sensor (bank 1 exhaust side)
• (left side of engine) vvt sensor (bank 1 intake side)
• A/f fuse 15a
• A/f relay
• A/pump fuse 50a
• A2 (left side of engine compt)
• Camshaft position sensor (left front of engine)
• Crankshaft position sensor (left rear of engine)
• Da3
• Da1
• Efi 1 fuse 25a
• Efi relay
• Engine room j/b (left side of engine compt)
• Ex+
• Ex-
• Hot at all times
• J/c d71 (right rear of engine compt)
• Knock sensor (bank 1 sensor 1) (right front of engine)
• Knock sensor (bank 1 sensor 2) (right rear of engine)
• Knock sensor (bank 2 sensor 2) (left rear of engine)
• Ne+
• Ne-
• Purge vsv (top center of engine)
• Red
• Vc2
• Vvl+
• Vvl-

5.7L Flex Fuel, Engine Performance Wiring Diagram (3 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (3 of 7) for Toyota Tundra SR5 2012:

• (double cab: right rear of vehicle) (regular cab: tailgate) r1
• (fuel tank assembly) (5.7l flex fuel) fuel tank solenoid valve
• (left side of engine compt) air injection control driver (bank 2)
• (rear of engine compt) d1
• (right front of engine compt) air pump (bank 2)
• (right side of engine compt) vvt sensor (bank 2 exhaust side)
• (right side of engine) vvt sensor (bank 2 intake side)
• +b2
• Acis
• Acis vsv (rear of engine)
• Ai htr relay
• Airp
• Aph+
• Aphg
• Arp2
• Bat2
• Camshaft timing oil control valve (bank 1 exhaust side) (left front of engine)
• Camshaft timing oil control valve (bank 1 intake side) (left front of engine)
• Camshaft timing oil control valve (bank 2 exhaust side) (right front of engine)
• Camshaft timing oil control valve (bank 2 intake side) (right front of engine)
• D2 (rear of engine compt)
• D3 (rear of engine compt)
• D52
• D54
• D74
• Da1
• Da2
• Di2
• E03
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Ev2+
• Ev2-
• Ex+
• Ex-
• F/pmp vsv relay (5.7l flex fuel)
• Fpcr
• Gnd
• Hai1
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Oe1+
• Oe1-
• Oe2+
• Oe2-
• Pnk
• Prg
• Ra1
• Red
• Sip2
• Siv2
• Vc2
• Vp2
• Vv2
• Vvr+
• Vvr-

5.7L Flex Fuel, Engine Performance Wiring Diagram (4 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (4 of 7) for Toyota Tundra SR5 2012:

• (front of engine compt) air pump (bank 1)
• (left rear of engine compt) air injection control driver (bank 1)
• (rear of engine compt) d3
• (rear of engine) air switching valve (bank 1)
• (rear of engine) air switching valve (bank 2)
• (right front of engine) power steering oil pressure sensor
• +b d50
• +bl
• Ai pmp htr fuse 10a
• Aip
• Aip2
• Aph+ pnk
• Batt
• D3 (rear of engine compt)
• E22
• Engine room r/b (left side of engine compt)
• Gnd
• Gndl
• Hot at all times
• Igf2
• Ignition coil 2 (top right of engine)
• Ignition coil 3 (top left of engine)
• Ignition coil 5 (top left of engine)
• Ignition coil 8 (top right of engine)
• Igt2
• Igt3
• Igt5
• Igt8
• J/c d72 (right rear of engine compt)
• Pnk
• Psp
• Red
• Sip
• Siv
• Vc2
• Vp d48

5.7L Flex Fuel, Engine Performance Wiring Diagram (5 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (5 of 7) for Toyota Tundra SR5 2012:

• (near fuel tank) canister pump module
• (rear of engine compt) d2
• A/pump fuse 50a
• A38
• A42
• A43
• Automatic transmission
• Canister pressure sensor
• D63
• D64
• Da1
• Da2
• Da3
• Efi 2 fuse 10a
• 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 a38 & a39 (left side of a39 dash)
• J/c a42 & a43 (left side of dash)
• J/c a42 & a43 (left side of dash) a42
• Leak detection pump
• Ot+
• Ot-
• Ot2+
• Ot2-
• Pnk
• Ra1
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Stop fuse 15a
• Stop light switch
• Transmission revolution sensor (electronically controlled transmission) (transmission assembly)
• Vent valve

5.7L Flex Fuel, Engine Performance Wiring Diagram (6 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (6 of 7) for Toyota Tundra SR5 2012:

• (rear
• +bm
• A/t oil temp ind
• A40
• A41
• A45
• Acc
• Aid2
• Aidi
• Airv
• Aj4
• Aj9
• Alt
• Buzzer
• Combination meter
• Computer data lines system
• D1 (rear of engine compt)
• D2 (rear of engine compt)
• D73
• D74
• Da1
• Dim
• Diode (starting) (right side of dash)
• E01
• E02
• E04
• E05
• Engine control module (right rear of engine compt)
• Ge01
• Ha1a
• Ha2a
• Hot at all times
• Ht1b
• Ht2b
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Instrument cluster system
• Interior lights system
• J/c a40 & a41 (right side of dash)
• J/c a45 & d73 (right rear of engine compt) d73
• J/c j117 (right side of dash)
• J/c j71 (left side of dash)
• J/c j75 & j76 (left side of dash)
• J/c j77 (center of dash)
• J/c j78 (left side of dash)
• J3 (right kick panel)
• J75
• J76
• Lcd (sequential shift)
• Left side of dash) (floor shift: left kick panel) j1
• Lock
• Mal- function ind
• Of engine compt) d2
• Off
• Park/neutral position switch (transmission assembly)
• Pnk
• Power circuit
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Star
• Start
• Starting/ charging system
• Starting/charging system
• Tow haul ind
• Tow/haul pattern select switch (floor shift)

5.7L Flex Fuel, Engine Performance Wiring Diagram (7 of 7) for Toyota Tundra SR5 2012

List of elements for 5.7L Flex Fuel, Engine Performance Wiring Diagram (7 of 7) for Toyota Tundra SR5 2012:

• (5.7l flex fuel) c/opn relay
• (left side of dash) j/c j74
• (left side of engine compt) a2
• (pin 6 to 9 not used)
• +b2
• 2wd
• 5.7l
• 5.7l flex fuel
• A24
• A4 (right side of engine compt)
• Ac1
• Acc fuse 7.5a
• Accelerator pedal position sensor (column shift: left side of dash)
• Accr
• Act
• Adj1
• Aip
• Aip2
• Air conditioning system
• Aj10
• Aj4
• Anti-theft system
• Arv2
• Batt
• Bk/up lp fuse 10a
• Canh
• Canl
• Ccs
• Column shift
• Computer data lines system
• Cruise control system
• D3 (rear of engine compt)
• D55
• D65
• Da1
• Dash)
• Defogger system
• Diode (ignition) (column shift) (left side) of dash)
• Driver side j/b (left side of dash)
• Els2
• Engine control module (right rear of engine compt)
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• F/pmp fuse 15a
• F/pmp relay
• Floor shift
• Fp-
• Fpc
• Fuel pump control ecu (fuel tank assembly)
• Fuel sender gauge (fuel tank assembly)
• Gnd
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Igf1
• Ignition coil 1 (top left of engine)
• Ignition coil 4 (top right of engine)
• Ignition coil 6 (top right of engine)
• Ignition coil 7 (top left of engine)
• Igsw
• Igt1
• Igt4
• Igt6
• Igt7
• Ill+
• Ill-
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• J/c a36 (right side of dash)
• J/c a44 (left front of engine compt)
• J/c d72 (right rear of engine compt)
• J/c j71 (left side of dash)
• J/c j73 & j74 (left side of dash)
• J/c j73 & j74 (left side of dash) j73
• J/c j73 & j74 (left side of j74
• J/c j79 & j80 (left side of dash)
• J3 (right kick panel)
• J73
• J74
• J79
• J80
• Lh-ig fuse 7.5a
• Met fuse 7.5a
• Mpmp
• Mrel
• Pnk
• Pump
• R11
• Ra1
• Ra2
• Ra3
• Ra4
• Red
• Sender
• Sftd
• Sftu
• Spd
• St1-
• Sta
• Starting/ charging system
• Starting/charging system
• Stp
• Stsw
• Tach
• Tfn
• Tow
• Transmission control switch
• Transmissions system
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp