ENGINE PERFORMANCE – Toyota Tacoma PreRunner 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.7L

2.7L, Engine Performance Wiring Diagram (1 of 5) for Toyota Tacoma PreRunner 2012

List of elements for 2.7L, Engine Performance Wiring Diagram (1 of 5) for Toyota Tacoma PreRunner 2012:

• (pins 26 thru 29: not used)
• (pins 5 thru 7: not used)
• (power steering pump) power steering oil pressure switch
• (rear of cylinder head) eg
• (top of engine) fuel injector
• (transmission) electronically controlled transmission solenoid
• 4wd
• A/c amplifier (right side of dash)
• Ac1
• Act
• Aidi
• Aip
• Canh
• Canl
• Ccs
• Computer data lines system
• Cruise control system
• E03
• E04
• E2g
• Efii
• Efio
• Els2
• Engine control module (behind right side of dash)
• If1
• Ii1
• Ij1
• Im1
• Imi
• Imo
• Mass air flow meter (part of air intake assembly, next to air cleaner box)
• Me01
• Nco+
• Nco-
• Out
• Prg
• Psw
• Red
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Spd
• Stp
• Tach
• Tha
• Tho1
• Thw0
• Transmission revolution sensor (turbine) (left side of transmission assembly)
• Transmissions system
• Transponder key ecu (left side of dash)
• Vehicle speed sensor (electronically controlled transmission) (transmission)
• Voltage inverter (left rear of vehicle compt)
• Vsv (purge) (left side of engine compt)

2.7L, Engine Performance Wiring Diagram (2 of 5) for Toyota Tacoma PreRunner 2012

List of elements for 2.7L, Engine Performance Wiring Diagram (2 of 5) for Toyota Tacoma PreRunner 2012:

• (behind right side of dash) j/c 4 & 5
• At3
• Atd
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• Combination meter
• Cpu
• Data link connector 3 (below left center of dash)
• Driver side j/b (left side of dash)
• E12
• E15
• H13
• Hot in run or start
• Ia1
• Ig1 fuse 10a
• Ih1
• Ij1
• Instrument panel j/b 1 (left side of dash)
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• J/c 4 & 5 (behind right side of dash)
• Malfunction indicator lamp
• Nssd
• Park/ neutral position switch (transmission)
• Pnk
• Red
• Shift lock control ecu (under center console)
• Tac

2.7L, Engine Performance Wiring Diagram (3 of 5) for Toyota Tacoma PreRunner 2012

List of elements for 2.7L, Engine Performance Wiring Diagram (3 of 5) for Toyota Tacoma PreRunner 2012:

• A-pump fuse 50a
• A/f heater fuse 15a
• A/f heater relay
• A10
• A11
• A13
• A14
• A15
• A18
• A30
• A31
• A33
• Air injection control driver (right side of engine compt)
• Air pump (right front of engine compt)
• B10
• Batt
• Bd (left rear frame rail)
• C/opn relay
• Ea (right front fender)
• Ea1
• Eb (near battery)
• Efi 2 fuse 10a
• Efi fuse 20a
• Efi relay
• Engine room j/b (left side of engine compt)
• Engine room r/b (left front of engine compt)
• Fuel suction pump & gauge assembly (fuel tank)
• Hot at all times
• Ib1
• Sip
• Siv

2.7L, Engine Performance Wiring Diagram (4 of 5) for Toyota Tacoma PreRunner 2012

List of elements for 2.7L, Engine Performance Wiring Diagram (4 of 5) for Toyota Tacoma PreRunner 2012:

• (automatic transmission) a/t fluid temperature sensor
• (bracket, above brake pedal) stop lamp switch
• (left side of engine) knock control sensor (bank 1)
• A1a+
• A1a-
• Acc
• Aip
• Air fuel ratio sensor (bank 1 sensor 1) (exhaust system, rear of engine)
• Air pressure sensor (right rear of engine)
• Air switching valve (right side of engine compt)
• B10
• B11
• C13
• Driver side j/b (left side of dash)
• Ea1
• Ef1
• Eh (rear of cylinder head)
• Engine coolant temperature sensor (rear of engine)
• Engine room r/b (left front of engine compt)
• Etcs fuse 10a
• Gauge fuse 7.5a
• Ha1a
• Heated oxygen sensor (bank 1 sensor 2) (exhaust manifold, after catalytic converter)
• Hot at all times
• Hot w/ tail relay energized
• Ht1b
• I15
• If1
• Ign fuse 15a
• Ignition switch
• Instrument panel j/b 1 (left side of dash)
• J/c 12 (behind right side of dash)
• Lock
• Nca
• Off
• Ox1b
• Pnk
• Red
• Start
• Stop fuse 10a
• Tail fuse 10a

2.7L, Engine Performance Wiring Diagram (5 of 5) for Toyota Tacoma PreRunner 2012

List of elements for 2.7L, Engine Performance Wiring Diagram (5 of 5) for Toyota Tacoma PreRunner 2012:

• (behind right side of dash) j/c 4 & 5
• (rear of cylinder head)
• (rear of cylinder head) eh
• (top of cylinder head cover)
• +bm
• A12
• A17
• A18
• A1a+
• A1a-
• Accelerator position sensor (behind left side of dash)
• Airp
• Airv
• Alt
• Batt
• Camshaft position sensor (left side of engine)
• Camshaft timing oil control valve (left side of engine)
• Canister pressure sensor
• Canister pump module (under center of vehicle bed)
• Crankshaft position sensor (front of engine)
• E01
• E02
• Eh (rear of cylinder head)
• Eknk
• Els
• Engine control module (behind right side of dash)
• Epa
• Epa2
• Ge01
• Generator
• Gnd
• Ha1a
• Ht1b
• Ia1
• Ib1
• Id2
• If1
• Igf
• Igf1
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Igsw
• Igt1
• Igt2
• Igt3
• Igt4
• Ih1
• Instrument panel j/b 2 (right side of dash)
• J/c (behind right kick panel)
• J/c 12 (behind right side of dash)
• Knk1
• Leak detection pump
• Mpmp
• Mrel
• Nca
• Ne+
• Ne-
• Noise filter (ignition) (top of engine)
• Nsw
• Oc1+
• Oc1-
• Ox1b
• Pnk
• Ppmp
• Red
• St1-
• Sta
• Starting/ charging system
• Thoc
• Throttle body assembly (left top of engine)
• Thw
• Vcp2
• Vcpa
• Vent valve
• Vpa
• Vpa2
• Vpmp
• Vta1
• Vta2

4.0L

4.0L, Engine Performance Wiring Diagram (1 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 7) for Toyota Tacoma PreRunner 2012:

• (behind left side of dash)
• +b2
• 4wd
• A/f heater fuse 15a
• A/f heater relay
• A10
• A11
• A30
• A31
• A33
• Ac1
• Accelerator position sensor
• Act
• Aip
• Aip2
• Air conditioning system
• Anti-theft system
• Batt
• Bd (left rear frame rail)
• C/opn relay
• Canh
• Canl
• Ccs
• Computer data lines system
• Cruise control system
• Driver side j/b (left side of dash)
• E13
• E14
• Ea (right front fender)
• Eb (near battery)
• Efi 2 fuse 10a
• Efi fuse 20a
• Efi relay
• Els
• Els2
• Engine control module (behind right side of dash)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left front of engine compt)
• Epa
• Epa2
• F/ps
• Fpr
• Fuel pump relay
• Fuel pump resistor
• Fuel suction pump & gage assembly (fuel tank)
• Hot at all times
• Ia1
• Ib1
• Igsw
• Ih1
• Im1
• Imi
• Imo
• Instrument cluster system
• Instument cluster system
• Mpmp
• Mrel
• Red
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Tach
• Thwo
• Transmissions system
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp

4.0L, Engine Performance Wiring Diagram (2 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 7) for Toyota Tacoma PreRunner 2012:

• (behind right side of dash) j/c j5
• (center of dash) diode (tail)
• (left rear of vehicle compt) voltage inverter
• (top of engine)
• A18
• Acc
• B10
• B11
• C13
• Canister pressure sensor
• Canister pump module (under center of vehicle bed)
• Data link connector 3 (below left center of dash)
• Driver side j/b (left side of dash)
• Ea1
• Ee (right rear of engine compt)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Gauge fuse 7.5a
• H13
• Hot at all times
• Hot in on or start
• Hot w/ tail relay energized
• I15
• Ib1
• Ic (center of dash)
• Id2
• If1
• Ig1 fuse 10a
• Ig2
• Ign fuse 15a
• Ignition switch
• Ih1
• Instrument panel j/b 2 (right side of dash)
• J/c j4 & j5 (behind right side of dash)
• Leak detection pump
• Lock
• Off
• Out
• Pnk
• Red
• Start
• Tail fuse 10a
• Vent valve
• W/ hydraulic booster type
• W/ vacuum booster type

4.0L, Engine Performance Wiring Diagram (3 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 7) for Toyota Tacoma PreRunner 2012:

• (bracket, above brake pedal) stop lamp switch
• (left side of dash) instrument panel j/b 1
• (right rear of engine compt) ee
• (right side of dash) instrument panel j/b 2
• (w/ hydraulic booster type) stop lp ctrl relay
• A/pump fuse 50a
• Ai valve fuse 10a
• Ai valve relay
• Airv
• E01
• E02
• E03
• E04
• E05
• E12
• Ea1
• Ef (left rear of engine compt)
• Engine control module (behind right side of dash)
• Engine room r/b (left front of engine compt)
• Etcs fuse 10a
• Ex1b
• Ex2b
• Ha1a
• Ha2a
• Hot at all times
• Ht1b
• Ht2b
• Ia3
• If1
• Me01
• Ne+
• Ne-
• Oc2+
• Oc2-
• Ox1b
• Ox2b
• Pnk
• Red
• Stop fuse 10a
• Vcv1
• Vcv2
• Vv1+
• Vv1-
• Vv2+
• Vv2-
• W/ hydraulic booster type
• W/ vacuum booster type

4.0L, Engine Performance Wiring Diagram (4 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (4 of 7) for Toyota Tacoma PreRunner 2012:

• (behind right side of dash) j/c j12
• (hydraulic booster type: left rear of engine compt) (vacuum booster type: right rear of engine compt) skid control ecu w/ actuator
• (rear of engine)
• (right rear of engine compt) ee
• (top of cylinder head cover)
• Crankshaft position sensor (front of engine)
• Ed (right rear of engine compt)
• Gnd
• Heated oxygen sensor (bank 1 sensor 2) (exhaust system, rear of engine)
• Heated oxygen sensor (bank 2 sensor 2) (rear of engine, in left bank of exhaust)
• Ht1b
• Ht2b
• If1
• Igf
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Left camshaft timing oil control valve (top center of engine)
• Left vvt sensor (left front of engine)
• Nca
• Noise filter (ignition)
• Ox1b
• Ox2b
• Pnk
• Red
• Right vvt sensor (top right front of engine)
• Stpo
• Vvl+
• Vvl-
• Vvr+
• Vvr-

4.0L, Engine Performance Wiring Diagram (5 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (5 of 7) for Toyota Tacoma PreRunner 2012:

• A/t oil tempe- rature ind
• A13
• A14
• A15
• A18
• B10
• C10
• Combination meter
• Cpu
• Ee (right rear of engine compt)
• Engine coolant temperature sensor (top center of engine)
• Engine room j/b (left side of engine compt)
• Ih1
• Ii1
• Ij1
• J/c j1 (left kick panel)
• J/c j12 (behind right side of dash)
• J/c j4 & j5 (behind right side of dash)
• Malfunction ind lamp
• Pnk
• Red

4.0L, Engine Performance Wiring Diagram (6 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (6 of 7) for Toyota Tacoma PreRunner 2012:

• (right side of dash) instrument panel j/b 2
• (right side of engine compt)
• (under center console) shift lock control ecu
• +bl
• A10
• A20
• Aip
• Aip2
• Air injection control driver
• Air pump (right front of engine compt)
• Air switching valve (bank 1)
• Air switching valve (bank 2)
• B11
• B12
• Bat
• C11
• C14
• E11
• E14
• E15
• E22
• E2g
• Ea (right front fender)
• Ea1
• Ee2
• Gnd
• Gndl
• Ih1
• Knock control sensor (bank 1) (top front of engine)
• Knock control sensor (bank 2) (top front of engine)
• Mass air flow meter (part of air intake assembly, next to air cleaner box)
• Nca
• Park/neutral position switch (transmission)
• Pnk
• Red
• Sip
• Siv
• Starting/ charging system
• Tha
• Vc2
• Vsv (acis) (rear top center of engine)
• Vsv (purge) (left side of engine compt)

4.0L, Engine Performance Wiring Diagram (7 of 7) for Toyota Tacoma PreRunner 2012

List of elements for 4.0L, Engine Performance Wiring Diagram (7 of 7) for Toyota Tacoma PreRunner 2012:

• (exhaust system, rear of engine) air fuel ratio sensor (bank 1 sensor 1)
• (front top of engine) throttle body assembly
• (left side of engine compt) engine room j/b
• (right rear of engine compt) ee
• (right rear of engine) air fuel ratio sensor (bank 2 sensor 1)
• (right rear of transmission assembly) transmission revolution sensor (electronically controlled transmission)
• +bm
• A1a+
• A1a-
• A2a+
• A2a-
• Acis
• Aidi
• Airi
• Airp
• E10
• E11
• E2g
• Ea1
• Ekn2
• Eknk
• Electronically controlled transmission solenoid (transmission)
• Engine control module (behind right side of dash)
• Eta
• Etha
• Ethw
• Ge01
• Ha1a
• Ha2a
• If1
• Igf1
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Knk1
• Knk2
• Nca
• Nsw
• Nt+
• Nt-
• Oc1+
• Oc1-
• Pnk
• Power steering oil pressure switch (power steering pump)
• Ppmp
• Prg
• Psw
• Red
• Right camshaft timing oil control valve (top center of engine)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Starting/charging system
• Th01
• Th02
• Tha
• Thw
• Transmission revolution sensor (turbine) (left side of transmission assembly)
• Vcta
• Vta1
• Vta2