ENGINE PERFORMANCE – Toyota Corolla S 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 3) for Toyota Corolla S 2004

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Toyota Corolla S 2004:

• (engine compt, near breakout to cmp sensor) e3
• (left front suspension tower) ed
• 22-31 (not used)
• Acc
• Batt
• Bh (below left c pillar)
• Braid
• C/opn relay
• C12
• Center j/b (behind center of dash)
• Cooling fans system
• Cruise control system
• D19
• Defogger system
• E03
• Eb (left rear of engine)
• Ec (at rear of engine)
• Efi fuse 15a
• Efi relay
• Eknk
• Els
• Els2
• Engine control module (behind right side of dash)
• Engine room j/b (left side of engine compt)
• Evg
• Exterior lights system
• F/ps
• Fan
• Fuel pump
• Heated oxygen bank 1, sensor 1 (in exhaust manifold)
• Heated oxygen sensor bank 1, sensor 2 (in exhaust pipe, after converter)
• Hot at all times
• Ht1a
• I10
• I13
• Idlo
• Ignition switch
• Instrument panel j/b (behind left side of dash)
• J/c 2 (behind right kick panel)
• J/c 4 (right kick panel)
• J/c 7 (behind right kick panel)
• Knk1
• Lock
• Nsw
• Ox1a
• Ox1b
• Pnk
• Power steering oil pressure switch (right rear of engine compt)
• Pressure switching valve vsv (left rear of vehicle)
• Psw
• Ptnk
• Red
• Run
• Sil
• Sta
• Start
• Starting system
• Tach
• Tbp
• Wfse

1.8L, Engine Performance Wiring Diagram (2 of 3) for Toyota Corolla S 2004

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Toyota Corolla S 2004:

• (below left side of dash) data link connector
• (engine harn, behind right side of dash)
• (left front of engine) camshaft timing oil control valve (vvt)
• B20
• B22
• Braid
• C11
• C13
• C14
• Center j/b (behind center of dash)
• Combination meter
• Eb (left rear of engine)
• Electronically controlled transmission solenoid
• Evap vsv (left rear of engine compt)
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• I10
• Instrument panel j/b (behind left side of dash)
• Interior lights system
• J/c 4 (right kick panel)
• J/c 4, j/c 5 (behind right kick panel)
• J/c 7 (behind right kick panel)
• Knock sensor (left
• Malfunction indicator lamp
• Mass air flow meter (left rear of engine compt)
• O/d main switch
• O/d off indicator
• Park/neutral position switch (left side of transaxle)
• Pnk
• Right j/b (behind upper right side of dash)
• Side of engine)
• Sil
• Stop fuse 15a
• Stoplamp switch (on brake pedal support bracket)
• Wfse

1.8L, Engine Performance Wiring Diagram (3 of 3) for Toyota Corolla S 2004

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Toyota Corolla S 2004:

• (at rear of engine) ec
• (rear of engine) noise filter
• (right kick panel) j/c 2, j/c 3
• (right kick panel) j/c 2, j/c 3 a
• (throttle body) idle air control valvle
• A/c system
• A/c thermistor
• A/cs
• Acld
• Acmg
• Braid
• Camshaft position sensor (left rear of engine)
• Canister closed vsv (left rear of engine compt)
• Ccv
• Crankshaft position sensor (lower left front of engine)
• E01
• E02
• E3 (engine harn, near breakout to cmp)
• Eb (left rear of engine)
• Ec (at rear of engine)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (rear of engine)
• Evp
• Fuel injectors
• G22+
• Ht1b
• I10
• Igf
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Igt1
• Igt2
• Igt3
• Igt4
• Instrument panel j/b (behind left side of dash)
• J/c 4, j/c 5 (behind right kick panel)
• J/c 4, j/c 5 (right kick panel)
• K10
• Ne+
• Ne-
• Ocv+
• Ocv-
• Odlp
• Pnk
• Rsd
• Slt+
• Slt-
• Spd
• Stp
• Tha
• Thr
• Throttle position sensor (rear of throttle body)
• Thw
• Thwo
• Vapor pressure sensor (top of fuel tank)
• Vta