ENGINE PERFORMANCE – Toyota Corolla LE 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (1 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (1 of 7) for Toyota Corolla LE 2014:

• (behind left headlight) ab
• +b2
• A14
• A19
• A35
• A36
• A37
• A40
• Ab (behind left headlight)
• Accelerator pedal sensor assembly (base of accelerator pedal)
• Ae2
• Ae3
• Al1
• Anti-theft system
• Ba2
• Batt
• C/opn relay
• Canh
• Canl
• Ccs
• Computer data lines system
• Cooling fans system
• Cruise control system
• Driver's side j/b assembly (left end of dash)
• E36
• Eb (center of dash)
• Ecm (left side of engine compt)
• Efi main fuse 20a
• Efi main relay
• Els1
• Els2
• Engine room r/b (left side of engine compt)
• Epa
• Epa2
• Eppm
• Fuel suction w/ pump & gauge tube assembly (fuel tank assembly)
• Gauge
• Hot at all times
• Hot w/ ig2 relay energized
• Hot w/ tail relay energized
• Ig2 fuse 15a
• Ig2 relay
• Ign fuse 7.5a
• Igsw
• Imi
• Imo
• Instrument cluster system
• Interior lights system
• La (left ''b'' pillar)
• Mpmp
• Mrel
• Pattern select switch assembly (cvt w/ paddle shift switch)
• Pnk
• Ppmp
• Pump
• Pwms
• Red
• Rfc
• Sdsw
• Sftd
• Sftu
• Spd
• St1-
• Sta
• Starting/charging system computer data lines system
• Stop fuse 10a
• Stop light switch (top of brake pedal assembly)
• Stp
• Tach
• Tail fuse 10a
• Vcp2
• Vcpa
• Vcpp
• Vpa
• Vpa2
• Vpmp

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (2 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (2 of 7) for Toyota Corolla LE 2014:

• (right side of dash) certification ecu
• +10
• +20
• +30
• +40
• +bm
• A44
• Acc
• Ae3
• B33
• Ba (top of engine)
• Ba1
• Ba2
• Bb (top of engine)
• C55
• Canh
• Canl
• Computer data lines system
• D40
• Driver's side j/b assembly (left end of dash)
• E01
• E02
• E04
• E57
• E59
• Ecm (left side of engine compt)
• Ecu b 2 fuse 7.5a
• Efi 1 fuse 10a
• Efi 2 fuse 10a
• Engine room r/b (left side of engine compt)
• Etcs fuse 10a
• Ha1a
• Hot at all times
• Hot w/ def relay energized
• Hot w/ ig2 relay energized
• Ht1b
• Ig2
• Ig2d
• Ignition/ starter switch
• Igt3
• Igt4
• Lock off
• Meter fuse 5a
• Mir htr fuse 10a
• Pnk
• Red
• Slu+
• Slu-
• Start
• W/ smart key system
• W/o smart key system

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (3 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (3 of 7) for Toyota Corolla LE 2014:

• (right front of engine) camshaft timing oil control valve assembly (exhaust side)
• (top of cylinder head)
• 5v ic
• 5v+b
• A1a+
• A1a-
• Ae4
• Air fuel ratio sensor (bank 1 sensor 1) (exhaust, before catalytic converter)
• Ba (top of engine)
• Bb (top of engine)
• Buzzer
• Can controller
• Can i/f
• Canh
• Canl
• Chk
• Combination meter assembly
• Computer data lines system
• Cpu
• Crank position sensor (front of crankshaft)
• Display driver
• E43
• Ed (right side of dash)
• Fuel injector assembly 1
• Fuel injector assembly 2
• Fuel injector assembly 3
• Fuel injector assembly 4
• Gnd
• Ha1a
• Ht1b
• I/f
• Ig+
• Igf
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Igt1
• Igt2
• Igt3
• Igt4
• Led driver
• Malfunction ind lamp
• Master ind (w/ tft display)
• Ox1b
• Oxygen sensor (bank 1 sensor 2) (exhaust, after catalytic converter)
• Pnk
• Purge vsv (vacuum switching valve assembly) (left rear of engine compt)
• Red

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (4 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (4 of 7) for Toyota Corolla LE 2014:

• (intake duct) intake mass air flow meter sub-assembly
• (rear of engine) e.f.i engine coolant temperature sensor
• (right front of engine) camshaft timing oil control valve assembly (intake side)
• (top of clutch pedal assembly) (m/t) clutch start switch
• (under rear of vehicle) canister pump module
• A/t
• A/t & cvt
• Al1
• Alt
• B33
• Ba (top of engine)
• Ba1
• Ba2
• Canister pressure sensor
• Cvt
• Cvt w/o paddle
• E2g
• Ecm (left side of engine compt)
• Etho
• Ethw
• Ev1+
• Ge01
• Igf1
• Igt1
• Igt2
• Leak detection pump
• M/t
• Me01
• Ne+
• Ne-
• Nsw
• Oc1+
• Oc1-
• Oe1+
• Oe1-
• Ox1b
• Pnk
• Prg
• Pto
• Red
• Shift switch
• Slp+
• Slp-
• Sls+
• Sls-
• Slt+
• Slt-
• System starting/charging
• Tha
• Tho1
• Thw
• Vent valve
• Vta1
• Vta2
• Vv1+

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (5 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (5 of 7) for Toyota Corolla LE 2014:

• (left side of transaxle) (a/t) electronically controlled transmission solenoid (transmission wire)
• (top left of transaxle assembly) (cvt) cvt solenoid (transmission wire)
• A/t
• Ae4
• At3
• Ba1
• Ba2
• Cvt
• Cvt w/o paddle shift switch
• Ed (right side of dash)
• Ill+
• Ill-
• Interior lights system
• J/c a38
• Nssd
• Ntb
• Nto
• Park/neutral position switch (left side of transaxle)
• Pnk
• Red
• Shift position indicator
• Slp+
• Slp-
• Sls+
• Sls-
• Slt+
• Slt-
• Slu+
• Slu-
• Starting/ charging system
• Tho
• Throttle body assembly (air intake manifold opening)
• Transmission control switch (w/o paddle shift switch)
• Transmission floor shift assembly
• Vta
• Vta2

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (6 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (6 of 7) for Toyota Corolla LE 2014:

• (center console) (cvt & a/t) diode (backup light)
• (left side of engine block) knock control sensor (bank 1)
• (on transmission case) (cvt) oil pressure sensor
• (right rear of engine) vvt sensor (intake side)
• A/t
• A45
• A56
• Acc fuse 7.5a
• Ae2
• Ba (top of engine)
• Bd1
• Cvt
• Driver's side j/b assembly (left end of dash)
• Ecu-ig 2 fuse 10a
• Hot w/ acc relay energized
• Hot w/ ig1 1 relay energized
• J/c a38
• Nca
• Pnk
• Pto
• Red
• Transmission revolution sensor (primary) (left side of transaxle case)
• Transmission revolution sensor (secondary) (cvt) (right side of transmission case)
• Transmission revolution sensor (turbine)
• Vc2
• Vve+
• Vve-
• Vvi+
• Vvi-
• Vvt sensor (exhaust side) (right rear of engine)

1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (7 of 7) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Dual VVT-I (7 of 7) for Toyota Corolla LE 2014:

• (left side of engine compt) ecm
• A/t
• A1a+
• A1a-
• A20
• Ae2
• Ae3
• B33
• Ba (top of engine)
• Ba1
• C39
• Cvt
• Down
• Driver's side j/b assembly (left end of dash)
• Eb (center of dash)
• Ecta
• Ecu-ig 3 fuse 7.5a
• Eknk
• Epto
• Eta
• Etha
• Ev1-
• Ex1b
• Hot w/ ig1 1 relay energized
• J/c a38
• Knk1
• Left steering pad switch assembly
• Nin+
• Nin-
• Notb
• Noto
• Nt+
• Nt-
• Ntb
• Nto
• Pnk
• Red
• Right steering pad switch assembly
• Sftd
• Sftu
• Spiral cable sub-assembly (steering column)
• Steering pad switch assembly
• Transmission control switch (transmission floor shift assembly) (cvt w/ paddle shift switch) (under center console)
• Transmission shift switch assembly
• Vce1
• Vcpt
• Vcv1
• Vv1-
• W/ cruise control
• Z10

1.8L, Engine Performance Wiring Diagram, with Valvematic (1 of 6) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Valvematic (1 of 6) for Toyota Corolla LE 2014:

• (behind left headlight) ab
• +b2
• A19
• A35
• A36
• A37
• A40
• Ab (behind left headlight)
• Accelerator pedal sensor assembly (base of accelerator pedal)
• Ae3
• Al1
• Al2
• Anti-theft system
• Ba2
• Batt
• Can+
• Can-
• Canh
• Canl
• Ccs
• Computer data lines system
• Continuously variable valve lift controller assembly (rear of engine compt)
• Cooling fans system
• Cruise control system
• Door locks system
• Driver's side junction block assembly (left end of dash)
• Ecm (left side of engine compt)
• Efi- main relay
• Efi-main fuse 20a
• Els1
• Els2
• Engine room relay block (left side of engine compt)
• Epa
• Epa2
• Eppm
• Fp-
• Fpc
• Fuel pump control ecu assembly (left rear luggage compt)
• Fuel suction w/ pump & gauge tube assembly (fuel tank assembly)
• Gauge
• Hall ic
• Hot at all times
• Hot w/ ig2 relay energized
• Hot w/ tail relay energized
• Ign fuse 7.5a
• Igsw
• Igt/ inj relay
• Imi
• Imo
• Inj fuse 15a
• Instrument cluster system
• Mpmp
• Mrel
• Neo
• Pnk
• Ppmp
• Pump
• Red
• Rfc
• Sdsw
• Sdwn
• Spd
• St1-
• Sta
• Starting/charging system computer data lines system
• Stop fuse 10a
• Stp
• Tach
• Tail fuse 10a
• Vcp2
• Vcpa
• Vcpp
• Vpa
• Vpa2
• Vpmp

1.8L, Engine Performance Wiring Diagram, with Valvematic (2 of 6) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Valvematic (2 of 6) for Toyota Corolla LE 2014:

• (top of brake pedal assembly) stop light switch assembly
• +bm
• A44
• B33
• Ba (top of engine)
• Ba1
• Ba2
• Ba3
• Bb (top of engine)
• C55
• D40
• Driver's side junction block assembly (left end of dash)
• E01
• E02
• E04
• Ecm (left side of engine compt)
• Ecu- b 2 fuse 7.5a
• Efi 1 fuse 10a
• Efi 2 fuse 10a
• Engine room relay block (left side of engine compt)
• Etcs fuse 10a
• Ha1a
• Hot at all times
• Hot w/ def relay energized
• Hot w/ ig2 relay energized
• Ht1b
• Igt3
• Igt4
• Meter fuse 5a
• Mir htr fuse 10a
• Pnk
• Red
• Sdwn
• Slu+
• Slu-
• Vlvmatic fuse 30a

1.8L, Engine Performance Wiring Diagram, with Valvematic (3 of 6) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Valvematic (3 of 6) for Toyota Corolla LE 2014:

• (right front of engine) camshaft timing oil control valve assembly (exhaust side)
• (top of cylinder head)
• 5v ic
• 5v+b
• A1a+
• A1a-
• A48
• Ae4
• Air fuel ratio sensor (bank 1 sensor 1) (exhaust, before catalytic converter)
• Ba (top of engine)
• Bb (top of engine)
• Brake actuator assembly (right front of engine compt)
• Buzzer
• Can controller
• Can i/f
• Canh
• Canl
• Chk
• Combination meter assembly
• Computer data lines system
• Cpu
• Crank position sensor (front of crankshaft)
• D28
• Display driver
• Driver's side junction block assembly (left end of dash)
• E43
• Ed (right side of dash)
• Fuel injector
• Gnd
• Ha1a
• Ht1b
• I/f
• Ig+
• Igf
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Igt1
• Igt2
• Igt3
• Igt4
• Malfunction indicator lamp
• Ox1b
• Oxygen sensor (bank 1 sensor 2) (exhaust, after catalytic converter)
• Pnk
• Purge vsv (vacuum switching valve assembly 1) (left rear of engine compt)
• Red
• Sp1

1.8L, Engine Performance Wiring Diagram, with Valvematic (4 of 6) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Valvematic (4 of 6) for Toyota Corolla LE 2014:

• (intake duct) intake mass air flow meter sub- assembly
• (rear of engine) efi engine coolant temperature sensor
• (right front of engine) camshaft timing oil control valve assembly (intake side)
• (under rear of vehicle) canister pump module
• Al1
• B33
• Ba (top of engine)
• Ba1
• Can+
• Can-
• Canister pressure sensor
• Computer data lines system
• E2g
• Ecm (left side of engine compt)
• Etho
• Ethw
• Ev1+
• Ge01
• Igf1
• Igt1
• Igt2
• Leak detection pump
• Me01
• Ne+
• Ne-
• Nsw
• Oc1+
• Oc1-
• Oe1+
• Oe1-
• Ox1b
• Pim
• Pnk
• Prg
• Pto
• Red
• Slp+
• Slp-
• Sls+
• Sls-
• Starting/charging system
• Tha
• Tho1
• Thw
• Vcvs
• Vent valve
• Vsm
• Vta1
• Vta2
• Vv1+

1.8L, Engine Performance Wiring Diagram, with Valvematic (5 of 6) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Valvematic (5 of 6) for Toyota Corolla LE 2014:

• (right rear of engine) vvt sensor (exhaust side)
• (right rear of engine) vvt sensor (intake side)
• (top left of transaxle assembly) cvt solenoid (transmission wire)
• Ae2
• Ae4
• At3
• Ba1
• Ba2
• D n
• Ed (right side of dash)
• Ill+
• Ill-
• Interior lights system
• J/c 1
• Nssd
• Ntb
• Nto
• Park/neutral position switch (left side of transaxle)
• Pnk
• R n
• Red
• Shift position indicator
• Slp+
• Slp-
• Sls+
• Sls-
• Slu+
• Slu-
• Starting/ charging system
• Tho
• Throttle body assembly (air intake manifold opening)
• Transmission control switch
• Transmission floor shift assembly
• Vc2
• Vta
• Vta2
• Vv1+
• Vve+
• Vve-
• Vvi-

1.8L, Engine Performance Wiring Diagram, with Valvematic (6 of 6) for Toyota Corolla LE 2014

List of elements for 1.8L, Engine Performance Wiring Diagram, with Valvematic (6 of 6) for Toyota Corolla LE 2014:

• (left rear of engine) e.f.i vacuum sensor assembly
• (left side of engine block) knock control sensor (bank 1)
• (on transmission case) oil pressure sensor
• A1a+
• A1a-
• A45
• A56
• Acc fuse 7.5a
• Ae2
• B33
• Ba (top of engine)
• Ba1
• Bd1
• Diode (backup light) (center console)
• Driver's side junction block assembly (left end of dash)
• E2vs
• Ecm (left side of engine compt)
• Ecu- ig 2 fuse 10a
• Eknk
• Epim
• Epto
• Eta
• Etha
• Ethe
• Ev1-
• Ex1b
• Gnd
• Hot w/ acc relay energized
• Hot w/ ig1 1 relay energized
• J/c a38
• Knk1
• Nca
• Nin+
• Nin-
• Notb
• Noto
• Ntb
• Nto
• Oil temperature sensor (front of engine)
• Pim
• Pnk
• Pto
• Red
• Theo
• Transmission revolution sensor (primary) (left side of transaxle case)
• Transmission revolution sensor (secondary) (right side of transmission case)
• Valve event angle control shaft monitor sensor (crank position sensor 1) (rear of engine)
• Vcc
• Vce1
• Vcpm
• Vcpt
• Vcta
• Vcv1
• Vout
• Vv1-