All Wiring Diagrams for Toyota Corolla S 2003

AIR CONDITIONING

Manual A/C Wiring Diagram (1 of 2) for Toyota Corolla S 2003

List of elements for Manual A/C Wiring Diagram (1 of 2) for Toyota Corolla S 2003:

• (integral to right j/b) right r/b
• A/c
• A/c fuse 10a
• A/c magnetic clutch
• A/c switch
• A/c thermistor
• A/cs
• A11
• A20
• Acld
• Acmg
• Air inlet servo control motor (behind glove box)
• B12
• B22
• Blower motor (below right side of dash, in heater-a/c housing)
• Blower resistor (below right side of dash, in heater-a/c housing)
• Blower switch
• Def
• Engine control module (behind right side of dash, below glove box)
• Engine room r/b (integral to engine room j/b)
• Fan
• Fresh
• Gauge fuse 10a
• Heater fuse 40a
• High
• Hot at all times
• Hot in on or start
• Htr relay
• Ig (behind right kick panel)
• Illum
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Interior lights system
• Junction connector
• Junction connector 3
• Junction connector 7
• Low
• M/g clt relay
• Off
• Prs
• Recirc
• Red
• Right j/b (behind upper right side of dash)
• Thr

Manual A/C Wiring Diagram (2 of 2) for Toyota Corolla S 2003

List of elements for Manual A/C Wiring Diagram (2 of 2) for Toyota Corolla S 2003:

• Dual
• E4 (in engine room main wire, near engine room j/b)
• Ea (at front side of right fender)
• Ecu-ig fuse 10a
• Ed (on left front suspension tower)
• Engine room r/b (integral to engine room j/b)
• Fan 1 relay
• Fan 2 relay
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Pressure switch (at right side of engine compt)
• Radiator fan motor
• Radiator fan resistor (at left front of engine compt)
• Rdi fan fuse 30a
• Single

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Toyota Corolla S 2003

List of elements for Anti-lock Brakes Wiring Diagram for Toyota Corolla S 2003:

• +bm
• +bs
• Abs 1 fuse 30a
• Abs 2 fuse 40a
• Abs ind
• Acc
• B16
• B18
• B21
• B22
• Brake ind
• Brk
• Brl
• C13
• C14
• Center j/b (behind center of dash)
• Combination meter
• D/g
• Data link connector 3 (below left center side of dash)
• Daytime running light relay (on instrument panel j/b)
• Ea (at front side of right fender)
• Ecu-ig fuse 10a
• Engine room r/b (integral to engine room j/b)
• Fl+
• Fl-
• Fr+
• Fr-
• Gauge fuse 10a
• Gnd1
• Gnd2
• Hot at all times
• Hot in on or start
• Ie (at left dash brace)
• Ig1
• Ignition switch
• Instrument cluster system
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 6
• Left front abs speed sensor (on inside of left front wheel assembly)
• Left rear abs speed sensor (on inside of left rear wheel assembly)
• Off
• Pkb
• Red
• Right front abs speed sensor (on inside of right front wheel assembly)
• Right j/b (behind upper right side of dash)
• Right rear abs speed sensor (on inside of right rear wheel assembly)
• Rl+
• Rl-
• Rr+
• Rr-
• Sil
• Skid control ecu with actuator (at right front side of engine compt)
• Sp1
• Start
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Stp

ANTI-THEFT

Anti-theft Wiring Diagram for Toyota Corolla S 2003

List of elements for Anti-theft Wiring Diagram for Toyota Corolla S 2003:

• (behind center of dash) center j/b
• (behind right kick panel) ig
• (in instrument panel wire, near breakout for a/c sub wire) i7
• (on instrument panel j/b) daytime running light relay
• +b1
• A11
• A19
• Cty
• Dcty
• Detection
• Dmlp
• Dswd
• Dswl
• Ecu-b fuse 10a
• Ecu-ig fuse 10a
• Ehw
• Glass breakage sensor ecu (behind upper right side of dash)
• Gmic
• Gnd
• Head
• Horn
• Horns system
• Hot at all times
• Hot in on or start
• Hzad
• I1 (in instrument panel wire, at left side of dash)
• I2 (in instrument panel wire, at left side of dash)
• I8 (in instrument panel wire, near breakout for starter cut relay)
• Ie (at left dash brace)
• Ig (behind right kick panel)
• Ind
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Integration relay
• Iout
• Irsg
• Junction connector 10
• Junction connector 6
• Junction connector 7
• Ksw
• Left front door key lock & unlock switch, door unlock detection switch
• Lock
• Lswd
• Lswp
• Luggage compartment light switch
• Mic
• Micro- phone
• Nca
• Prcty
• Red
• Rheostat
• Right front door key lock & unlock switch, door unlock detection switch
• Right j/b (behind upper right side of dash)
• S+b
• Security ind
• Security indicator
• Srly
• Starting/ charging system
• Trig
• Turn signal flasher relay (behind left side of dash, on instrument panel j/b)
• Tvip ecu (behind right side of dash)
• Tvss
• Ul2
• Ul3
• Unlk
• Unlock warning switch (on steering column, behind ignition key cylinder)

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Toyota Corolla S 2003

List of elements for Computer Data Lines Wiring Diagram for Toyota Corolla S 2003:

• A j4
• A j5
• A/b
• A13
• Air bag sensor assembly (below front of center console)
• B16
• B21
• Bat
• C13
• C14
• C15
• Center j/b (behind center of dash)
• Combination meter
• Cruise control ecu (behind left side of dash)
• D/g
• Data link connector 3 (below left center side of dash)
• Eb (at left rear of engine)
• Engine control module (behind right side of dash, below glove box)
• Hot at all times
• Ie (at left dash brace)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c 4 & 5
• J/c 6
• Obd fuse 7.5a
• Pnk
• Right j/b (behind upper right side of dash)
• Sil
• Skid control ecu with actuator (at right front side of engine compartment)
• Wfse

COOLING FAN

Cooling Fan Wiring Diagram for Toyota Corolla S 2003

List of elements for Cooling Fan Wiring Diagram for Toyota Corolla S 2003:

• C13
• Dual
• Ea (at front side of right fender)
• Ecu-ig fuse 10a
• Ed (on left front suspension tower)
• Engine control module (behind right side of dash, below glove box)
• Engine coolant temperature sensor (on rear of engine, on coolant outlet)
• Engine room r/b (integral to engine room j/b)
• Fan
• Fan 1 relay
• Fan 2 relay
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 2 & 3
• Pressure switch (at right side of engine compt)
• Prs
• Radiator fan motor
• Radiator fan resistor (at left front of engine compt)
• Rdi fan fuse 30a
• Single
• Thw

CRUISE CONTROL

Cruise Control Wiring Diagram for Toyota Corolla S 2003

List of elements for Cruise Control Wiring Diagram for Toyota Corolla S 2003:

• (at right front side of engine compartment) skid control ecu w/ actuator
• (behind upper right side of dash)
• (in instrument panel wire, at left side of dash) i2
• (w/ abs)
• A/t
• A/t shift lever position switch (a/t) (on left side of transaxle)
• Acc
• B12
• B13
• B14
• B19
• B20
• B21
• B22
• C12
• C13
• C14
• C19
• C20
• Cancel
• Ccs
• Center j/b (behind center of dash)
• Combination meter
• Combination switch
• Cruise
• Cruise control actuator (on left rear side of engine compt)
• Cruise control clutch switch (m/t) (on bracket, above clutch pedal)
• Cruise control ecu (behind left side of dash)
• Cruise ind
• Data link connector 3 (below left center side of dash)
• Dome fuse 15a
• Eb (at left rear of engine)
• Ecc
• Ect
• Ecu-ig fuse 10a
• Engine control module (behind right side of dash, below glove box)
• Engine room r/b (integral to engine room j/b)
• Gauge fuse 10a
• Gnd
• Hot at all times
• Hot in on or start
• Idl
• Idlo
• Ie (at left dash brace)
• Ignition switch
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 2 & 3
• Junction connector 4
• Junction connector 4 & 5
• Junction connector 6
• Lock
• Od1
• Resume/ accel
• Right j/b
• Right j/b (behind upper right side of dash)
• Set/ coast
• Sp1
• Spd
• Speedometer
• Start
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Stp-
• Vehicle speed sensor (combination meter) (w/o abs) (on top of transaxle)

DEFOGGERS

Defoggers Wiring Diagram for Toyota Corolla S 2003

List of elements for Defoggers Wiring Diagram for Toyota Corolla S 2003:

• (in floor wire, near breakout for bh) b5
• B14
• B22
• Bj (below right "c" pillar)
• Defog fuse 40a
• Defogger relay
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Ie (at left dash brace)
• Ill
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Interior lights system
• L10
• Noise filter (rear window defogger) (at left "c" pillar)
• R15
• R16
• Rear window defogger
• Rear window defogger switch
• Right j/b (behind upper right side of dash)

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 3) for Toyota Corolla S 2003

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Toyota Corolla S 2003:

• (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 2003

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Toyota Corolla S 2003:

• (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 2003

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Toyota Corolla S 2003:

• (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

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Toyota Corolla S 2003

List of elements for Back-up Lamps Wiring Diagram for Toyota Corolla S 2003:

• A/t
• B20
• B22
• Back-up light switch (on left side of transaxle)
• Bh (below left "c" pillar)
• Gauge fuse 10a
• Hot in on or start
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 10
• Junction connector 4
• Junction connector 8 & 9
• Left rear combination light
• M/t
• Right j/b (behind upper right side of dash)
• Right rear combination light

Exterior Lamps Wiring Diagram for Toyota Corolla S 2003

List of elements for Exterior Lamps Wiring Diagram for Toyota Corolla S 2003:

• (behind center
• (behind right kick panel)
• (canada)
• (on bracket, above brake pedal)
• (usa)
• (usa) tail relay
• A11
• A21
• B11
• B15
• B17
• B18
• B21
• B22
• Bh (below left ``c" pillar)
• Bi (at center rear of vehicle)
• Bulb
• C14
• Center j/b
• Combination
• Combination meter
• Connector 8
• D12
• D17
• Daytime running light relay (on instrument panel j/b)
• Ea (at front side of right fender)
• Ed (on left front suspension tower)
• Engine room r/b (integral to engine room j/b)
• Gauge fuse 10a
• Gnd
• H11
• H12
• H13
• Haz
• Hazard fuse 10a
• Hazard switch
• Head
• High mounted
• Hot at all times
• Hot in on or start
• I4 (behind upper center of dash)
• Ie (at left dash brace)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c
• J/c 8 & 9
• Junction
• Junction connector 6
• Junction connector 7
• Led
• Left
• Left front combination light
• Left license plate light
• Left rear combination light
• Light sig
• Of dash)
• Off
• Park
• Right
• Right front combination light
• Right j/b (behind upper right side of dash)
• Right license plate light
• Right r/b
• Right rear combination light
• Stop
• Stop fuse 15a
• Stoplight
• Stoplight switch
• Switch
• Tail
• Tail fuse 15a
• Turn
• Turn sig
• Turn signal flasher relay (behind left side of dash, on instrument panel j/b)
• Turn signal ind
• W/ wireless door lock
• W/o wireless door lock

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Toyota Corolla S 2003

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Toyota Corolla S 2003:

• (behind left side of dash)
• (w/ auto glare- resistant ec mirror cut relay)
• (w/o auto glare- resistant ec mirror cut relay)
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• Air inlet control switch
• Airbag sensor assembly
• B1 (roof harness, at left side of windshield header)
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B2 (roof harness, at center of windshield header)
• B21
• B22
• B3 (right front door harness, near breakout for door speaker)
• Blower resistor
• Blower switch
• Buckle switch left seat position sensor
• Buckle switch right occupant detection sensor
• Center j/b (behind center of dash)
• Cigarette lighter, power outlet (front)
• Clock
• Combi- nation meter
• Combi- nation switch
• Combination meter
• Combination switch
• Cruise control actuator
• Cruise control ecu
• Data link conn 3
• Engine control module
• Engine room r/b
• Front left door key lock & unlock, door unlock detection switch
• Front left door lock control switch
• Front right door key lock & unlock, door unlock detection switch
• Front right door lock control switch
• Glass breakage sensor ecu
• H10
• Hazard switch
• Htr relay
• I10
• I8 (i/p harness, near breakout for starter cut relay)
• Ie (at left dash brace)
• Ig1 relay
• Inner mirror personal light
• Instrument panel j/b
• Integration relay
• Junction connector 7 (behind right kick panel)
• Junction connector j6 (behind left side of dash)
• Moonroof control relay and personal light switch
• Moonroof motor and limit switch
• Noise filter
• O/d main switch
• P/point relay
• P/w relay
• Power outlet (rear)
• Power window master switch
• Rear window defogger switch
• Remote control mirror switch
• Rh j/b (behind upper right side of dash)
• Rh r/b
• Rheostat
• Security indicator
• Shift lock control ecu
• St relay
• Turn signal flasher relay
• Tvip ecu
• Unlock warning switch

Ground Distribution Wiring Diagram (2 of 2) for Toyota Corolla S 2003

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Toyota Corolla S 2003:

• Abs actuator with ecu
• Bh (below left "c" pillar)
• Bi (at center rear of vehicle)
• Bj (below right "c" pillar)
• Brake fluid level warning switch
• Combination meter
• Data link connector 3
• Daytime running light relay
• Door control receiver
• E1 (engine room main harness, near breakout for skid control ecu)
• E2 (engine wire, near camshaft position sensor)
• E4 (engine room main harness, near engine room j/b)
• Ea (at front side of right fender)
• Eb (at left rear of engine)
• Ec (at rear of engine)
• Ed (on left suspension tower)
• Engine control module
• Engine room r/b
• Fan efi relay
• Fan no.2 relay
• Front wiper motor
• Fuel pump fuel sender
• Heated oxygen sensor (bank 1, sensor 1)
• Heated oxygen sensor (bank 1, sensor 2)
• Heated oxygen sensor (bank 1, sensor 2) shields
• High mounted stop light
• Idle air control valve
• If (at left dash brace)
• Ignition coil & ignitor no.1
• Ignition coil & ignitor no.2
• Ignition coil & ignitor no.3
• Ignition coil & ignitor no.4
• Junction connector j2 & j3 (behind right side of dash)
• Junction connector j4 & j5 (behind right side of dash)
• Junction connector j8 & j9 (near left rear combination light)
• Left (high) headlight
• Left front fog light
• Left front parking light left front turn signal light
• Left license plate light
• Left rear combination light
• Pressure switch
• R16
• Radiator fan resistor
• Radio and player
• Rear window defogger
• Red
• Right (high) headlight
• Right front fog light
• Right front parking light right front turn signal light
• Right license plate light
• Right rear combination light
• Vehicle speed sensor
• Washer level sensor

HEADLIGHTS

Headlights Wiring Diagram for Toyota Corolla S 2003

List of elements for Headlights Wiring Diagram for Toyota Corolla S 2003:

• (at front side of right fender) ea
• (integral to engine room j/b) engine room r/b
• (usa)
• Automatic light control sensor (on top left side of dash)
• B11
• B12
• B16
• B21
• B22
• Brake fluid level warning switch (on brake fluid reservoir)
• Brk
• C19
• C20
• Center j/b (behind center of dash)
• Chg
• Cltb
• Clte
• Clts
• Combination meter
• Combination switch
• Csb
• Cse
• Cso
• Daytime running light relay (on instrument panel j/b)
• Dim
• Dimmer relay
• Dimmer switch
• Dome fuse 15a
• Drl
• Ea (at front side of right fender)
• Ecu-b fuse 10a
• Ed (on left front suspension tower)
• Engine room r/b (integral to engine room j/b)
• Exterior lights system
• Flash
• Fog
• Fog fuse 15a
• Fog relay
• Foglight switch
• Gauge fuse 10a
• H-lp
• Head
• Head relay
• High
• High beam ind
• Hot at all times
• Hot in on or start
• I3 (in engine room main wire, behind left side of dash, near pass-through grommet)
• Ie (at left dash brace)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 1
• Junction connector 6
• Left front fog light
• Left headlight (high)
• Left headlight (low)
• Left lower head fuse 10a
• Left upper head fuse 10a
• Light control
• Low
• Main head fuse 40a
• Off
• Parking brake switch (at base of park brake lever)
• Pkb
• Red
• Right front fog light
• Right headlight (high)
• Right headlight (low)
• Right j/b (behind upper right side of dash)
• Right lower head fuse 10a
• Right upper head fuse 10a
• Skid control ecu (at right front side of engine compartment)
• Starting/ charging system
• Switch
• Tail
• W/ abs
• W/o abs

HORN

Horn Wiring Diagram for Toyota Corolla S 2003

List of elements for Horn Wiring Diagram for Toyota Corolla S 2003:

• A12
• A13
• Center j/b (behind center of dash)
• Combination switch
• Door lock
• Door lock door lock door lock door lock
• Engine room r/b (integral to engine room j/b)
• Horn
• Horn fuse fuse 10a
• Horn relay
• Horn switch
• Hot at all times
• W/ wireless w/ wireless w/ wireless w/ wireless
• W/o wireless

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Toyota Corolla S 2003

List of elements for Instrument Cluster Wiring Diagram for Toyota Corolla S 2003:

• (at left rear of engine) eb
• (behind center of dash) center j/b
• (behind right kick panel) ig
• (behind upper right side of dash) right j/b
• (in fuel tank) fuel pump & fuel sender
• (on top of transaxle) (w/o abs) vehicle speed sensor (combination meter)
• A10
• A11
• A18
• Abs ind
• Ambient temperature sensor (at middle front of engine compt)
• Anti-lock brakes system
• B16
• B18
• B20
• B21
• B22
• Brake fluid level warning switch (on brake fluid reservoir)
• Brake ind
• Buzzer
• C j5
• C16
• C19
• C20
• Charge ind
• Cig fuse 15a
• Clock
• Combination meter
• Cruise control system
• Cruise ind
• Dome fuse 15a
• Door ind
• Ea (at front side of right fender)
• Ed (on left front suspension tower)
• Engine controls
• Engine controls system
• Engine controls, cruise control systems
• Engine room r/b (integral to engine room j/b)
• Exterior lights system
• Fuel
• Fuel ind
• Gauge fuse 10a
• Head rh upr fuse 10a
• Headlights system
• High beam ind
• Hot at all times
• Hot in acc or on
• Hot in on or start
• I2 (in instrument panel wire, at left side of dash)
• Ie (at left dash brace) junction connector 6
• Illumination
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Interior lights system
• J/c 1
• J/c 7
• Junction connector 2 & 3
• Junction connector 4 & 5
• Left turn
• Malfunction ind
• O/d off ind
• Odo/trip
• Oil pressure ind
• Oil pressure switch (on lower left side of engine)
• Out side temperature odometer/ trip
• Red
• Right j/b (behind upper right side of dash)
• Right turn
• Seat belt ind
• Speedometer
• Srs ind
• Starting/charging system
• System
• Tachometer
• Temperature
• W/ abs
• W/o abs
• Warning system
• Washer ind
• Wiper/washer system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Toyota Corolla S 2003

List of elements for Courtesy Lamps Wiring Diagram for Toyota Corolla S 2003:

• (w/ moon roof) personal light
• B1 (in roof wire, at left side of windshield header)
• B1 (w/o moon roof) (in roof wire, at left side of windshield header) b2 (w/ moon roof) (in roof wire, at center of windshield header)
• B10
• B19
• B21
• C19
• C20
• Center j/b (behind center of dash)
• Combination meter
• D14
• D15
• Dcty
• Dome fuse 15a
• Door
• Door fuse 25a
• Door ind
• Engine room r/b (integral to engine room j/b)
• Gauge fuse 10a
• Gnd
• H10
• Hot at all times
• Hot in on or start
• Ie (at left dash brace)
• Ig (behind right kick panel)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Integration relay (on instrument panel j/b)
• Interior light
• J/c 10
• J/c 6
• J/c 7
• Left front door courtesy switch
• Left rear door courtesy switch
• Luggage compartment light
• Luggage compartment light switch
• Off
• Pcty
• Personal light
• Prcty
• Red
• Rheostat
• Right front door courtesy switch
• Right rear door courtesy switch
• W/ automatic glare- resistant ec mirror
• W/ automatic glare-resistant ec mirror
• W/ door lock control
• W/ moon roof w/ automatic glare- resistant ec mirror
• W/o automatic glare- resistant ec mirror
• W/o automatic glare-resistant ec mirror
• W/o door lock control
• W/o moon roof

Instrument Illumination Wiring Diagram for Toyota Corolla S 2003

List of elements for Instrument Illumination Wiring Diagram for Toyota Corolla S 2003:

• A/c switch
• A/t shift lever illumination
• B19
• B21
• Blower switch
• C18
• Canada
• Center j/b (behind center of dash)
• Cigarette lighter illumination
• Combination meter
• Combination switch
• Daytime running light relay (on instrument panel j/b)
• Dome fuse 15a
• Els
• Engine control module (behind right side of dash, below glove box)
• Engine room r/b (integral to engine room j/b)
• Gnd
• Hazard switch
• Head
• Hot at all times
• I4 (in instrument panel wire, behind upper center of dash)
• I5 (in instrument panel wire, near breakout for air bag sensor assembly)
• Ie (at left dash brace)
• Ill-
• Illumination
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c 6
• Led
• Light control switch
• Off
• Radio & player
• Rear window defogger switch
• Rheostat
• Right r/b (integral to right j/b)
• Tail
• Tail fuse 15a
• Tail relay (usa)
• Usa

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Toyota Corolla S 2003

List of elements for Power Distribution Wiring Diagram (1 of 2) for Toyota Corolla S 2003:

• Abs no.1 fuse 40a
• Abs no.2 fuse 40a
• Air conditioning, cooling fans system
• Alt fuse 100a
• Alt-s fuse 5a
• Am1 fuse 25a
• Am2 fuse 15a
• Anti-lock brake system
• Anti-lock brakes, cruise control, engine control, exterior lights, shift interlock, transmission system
• Anti-theft, headlights system
• Battery
• C14
• Computer data lines system
• Dimmer relay
• Dome fuse 15a
• Door fuse 25a
• Door locks, horn system
• Ecu-b fuse 10a
• Efi fuse 15a
• Engine control system
• Engine room j/b
• Engine room r/b (left side of engine compt)
• Exterior lights system
• Exterior lights, interior lights, warnings system
• F12
• F13
• Fog fuse 15a
• From alt-s fuse on diagram 1 of 1
• Generator
• Hazard fuse 10a
• Head lh lhr fuse 10a
• Head lh upr fuse 10a
• Head main fuse 40a
• Head relay
• Head rh lwr fuse 10a
• Head rh upr fuse 10a
• Headlights system
• Headlights, instrument cluster system
• Horn fuse 10a
• Instrument panel j/b (behind lower left side of dash)
• Integration relay
• Main fuse 30a
• Not used
• Obd fuse 7.5a
• P/point fuse 15a
• Power fuse 30a
• Rdi fan fuse 30a
• Red
• St relay
• Starting/ charging system
• Stop fuse 15a
• Tail fuse 15a
• To dome fuse on diagram 1 of 1
• To e on page 2 of 2
• To ignition switch on diagram 2 of 2
• To noise filter on diagram 2 of 2
• To p/point relay on diagram 2 of 2

Power Distribution Wiring Diagram (2 of 2) for Toyota Corolla S 2003

List of elements for Power Distribution Wiring Diagram (2 of 2) for Toyota Corolla S 2003:

• A10
• A11
• A12
• Acc
• Air conditioning system
• Air conditioning, anti-lock brakes, cooling fans system
• Am1
• Am2
• Anti-theft, cruise control, shiftlock system
• C11
• C13
• Cig fuse 15a
• Cigarette lighter
• D11
• D18
• Defogger fuse 40a
• Defogger relay
• Ecu-ig fuse 10a
• From alt fuse on diagram 1 of 2
• From am1 fuse on diagram 1 of 2
• From am2 fuse on diagram 1 of 2
• From e on page 1 of 1
• From p/point fuse on diagram 1 of 2
• Front power outlet
• Gauge fuse 10a
• Ground distribution system
• H10
• Heater fuse 40a
• I10
• Ig1
• Ig1 relay
• Ig2
• Ignition switch
• Instrument cluster system
• Instrument panel j/b (behind lower left side of dash)
• Integration relay
• Junction connector j6 (at left dash brace)
• Junction connector j7 (behind right kick panel)
• Lock
• Mirrors system
• Noise filter
• Not used
• P-point relay
• Power tops system
• Power windows system
• Pwr relay
• Rear power outlet
• Red
• Rh j/b (behind upper right side of dash)
• Rh r/b (integral to rh j/b)
• Sound system
• St2
• Start
• Starting/ charging system
• Washer fuse 15a
• Wiper fuse 25a
• Wiper/ washer system

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, with Keyless Entry for Toyota Corolla S 2003

List of elements for Power Door Locks Wiring Diagram, with Keyless Entry for Toyota Corolla S 2003:

• (behind left side of dash, at lower finish panel) instrument panel j/b
• (on instrument panel j/b) daytime running light relay
• A10
• A11
• A13
• A16
• A19
• A22
• A4 red
• A5 red
• Act+
• Act-
• Actd
• Bh (below left ``c" pillar)
• Center j/b (behind center of dash)
• D20 red
• Dcty
• Detection
• Dome fuse 15a
• Door control receiver (at right front side of trunk)
• Door fuse 25a
• Engine room r/b (integral to engine room j/b)
• Gnd
• H-lp
• Head main fuse 40a
• Head relay
• Headlights system
• Horn
• Horn fuse 10a
• Horn relay
• Horns system
• Hot at all times
• Hrly
• I11
• Ie (at left dash brace)
• Ig (behind right kick panel)
• Integration relay
• Junction connector 6
• Junction connector 7
• Junction connector 8 & 9
• K5 red
• Ksw
• Left front door courtesy switch
• Left front door lock motor, door unlock detection switch, door key lock & unlock switch
• Left front door lock unlk control switch
• Left rear door courtesy switch
• Left rear door lock motor
• Lock
• Lswd
• Lswp
• Pcty
• Prcty
• Prg
• Rda
• Red
• Right front door courtesy switch
• Right front door lock lock control switch
• Right front door lock motor, door unlock detection switch, door key lock & unlock switch
• Right j/b (behind upper right side of dash)
• Right rear door courtesy switch
• Right rear door lock motor
• Ul1
• Ul2
• Ul3
• Unlk
• Unlock warning switch (on steering column, behind ignition key cylinder)
• W/ power windows
• W/o power windows

Power Door Locks Wiring Diagram, without Keyless Entry for Toyota Corolla S 2003

List of elements for Power Door Locks Wiring Diagram, without Keyless Entry for Toyota Corolla S 2003:

• (behind left side of dash, at lower finish panel) instrument panel j/b
• A10
• A15
• A16
• A19
• A22
• A4 red
• A5 red
• Act+
• Act-
• Actd
• Center j/b (behind center of dash)
• D20 red
• Dcty
• Detection
• Door fuse 25a
• Gnd
• Hot at all times
• I11
• Ie (at left dash brace)
• Ig (behind right kick panel)
• Integration relay
• Junction connector 6
• Junction connector 7
• K5 red
• Ksw
• Left front door courtesy switch
• Left front door lock motor, door unlock detection switch, door key lock & unlock switch
• Left front door lock unlk control switch
• Left rear door courtesy switch
• Left rear door lock motor
• Lock
• Lswd
• Lswp
• Pcty
• Prcty
• Red
• Right front door courtesy switch
• Right front door lock lock control switch
• Right front door lock motor, door unlock detection switch, door key lock & unlock switch
• Right rear door courtesy switch
• Right rear door lock motor
• Ul1
• Ul2
• Ul3
• Unlk
• Unlock warning switch (on steering column, behind ignition key cylinder)
• W/ power windows
• W/o power windows

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Toyota Corolla S 2003

List of elements for Electrochromic Mirror Wiring Diagram for Toyota Corolla S 2003:

• B1 (in roof wire, at left side of windshield header)
• Gauge fuse 10a
• H10
• Hot in on or start
• Ig (behind right kick panel)
• Inner mirror
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c 7
• W/ moon roof
• W/o moon roof

Power Mirror Wiring Diagram for Toyota Corolla S 2003

List of elements for Power Mirror Wiring Diagram for Toyota Corolla S 2003:

• A10
• B21
• B22
• C14
• C15
• C16
• Center j/b (behind center of dash)
• Cig fuse 15a
• Down
• Hot in acc or on
• Ie (at left dash brace)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c 6
• Left
• Left remote control mirror
• Left/ right
• Operation switch
• Red
• Remote control mirror switch
• Right
• Right j/b (behind upper right side of dash)
• Right remote control mirror
• Select switch
• Up/ down

POWER TOP/SUNROOF

Moonroof Wiring Diagram for Toyota Corolla S 2003

List of elements for Moonroof Wiring Diagram for Toyota Corolla S 2003:

• (on center of windshield header) moon roof control relay & switch
• B2 (in roof wire, at center of windshield header)
• Close
• Down
• Gauge fuse 10a
• Gnd
• H10
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 6
• Junction connector 7
• Ls1
• Ls2
• Moon roof motor & limit switch (on center front underside of roof)
• Mtr+
• Mtr-
• Open
• P/w relay
• Power fuse 30a
• Red

POWER WINDOWS

Power Windows Wiring Diagram for Toyota Corolla S 2003

List of elements for Power Windows Wiring Diagram for Toyota Corolla S 2003:

• B10
• Center j/b (behind center of dash)
• D18
• Down
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Ie (at left dash brace)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 6
• L front
• Left front power window motor
• Left rear
• Left rear power window control switch
• Left rear power window motor
• Lock
• Normal
• P/w relay
• Power fuse 30a
• Power window master switch
• Right rear power window control switch
• Right front
• Right front power window control switch
• Right front power window motor
• Right rear
• Right rear power window motor
• Rld
• Rlu
• Rrd
• Rru
• Solid state
• Window lock switch

RADIO

Radio Wiring Diagram for Toyota Corolla S 2003

List of elements for Radio Wiring Diagram for Toyota Corolla S 2003:

• (behind upper center of dash) antenna amplifier
• A10
• Acc
• Ant+
• C17
• C20
• Center j/b (behind center of dash)
• Cig fuse 15a
• Dome fuse 15a
• Engine room r/b (integral to engine room j/b)
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Hot at all times
• Hot in on or acc
• If (at left dash brace)
• Ill
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Interior lights system
• Left front door speaker
• Left rear speaker
• Left tweeter
• Pnk
• Radio & player
• Red
• Right front door speaker
• Right j/b (behind upper right side of dash)
• Right rear speaker
• Right tweeter
• Rl+
• Rl-
• Rr+
• Rr-
• W/ tweeter
• W/o tweeter

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Toyota Corolla S 2003

List of elements for Shift Interlock Wiring Diagram for Toyota Corolla S 2003:

• (behind upper right side of dash) right j/b
• A11
• A16
• C10
• C13
• C14
• Ecu-ig fuse 10a
• Hot at all times
• Hot in on or start
• Ig (behind right kick panel)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 7
• Right j/b (behind upper right side of dash)
• Shift lock control ecu (below center console, forward of park brake lever)
• Shift lock solenoid
• Sls+
• Sls-
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Stp

STARTING/CHARGING

Charging Wiring Diagram for Toyota Corolla S 2003

List of elements for Charging Wiring Diagram for Toyota Corolla S 2003:

• Acc
• Alt fuse 100a
• Alt-s fuse 5a
• Am2 fuse 15a
• B10
• B20
• B22
• Batt
• Battery
• Battery ground
• Charge ind
• Combination meter
• Engine room j/b (on left side of engine compt)
• Engine room r/b (integral to engine room j/b)
• Gauge fuse 10a
• Generator
• Hot at all times
• Hot in on or start
• Ignition switch
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 4 & 5
• Main fuse 30a
• Nca
• Off
• Right j/b (behind upper right side of dash)
• Start
• Starting circuit

Starting Wiring Diagram, A/T for Toyota Corolla S 2003

List of elements for Starting Wiring Diagram, A/T for Toyota Corolla S 2003:

• 2 & 3
• Acc
• Am2 fuse 15a
• Battery
• Battery ground
• Connector
• Connector 2
• Engine control module (behind right side of dash, below glove box)
• Engine room j/b (on left side of eng compt)
• Engine room r/b (integral to engine room j/b)
• Ie (at left dash brace)
• Ignition switch
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction
• Junction connector 6
• L11
• Main fuse 30a
• Nca
• Nsw
• Off
• Park/ neutral position switch (on left side of transaxle)
• Red
• Srly
• Sta
• Start
• Starter
• Starter cut relay (behind upper right side of dash)
• Starter relay
• Tvip ecu (behind right side of dash)
• W/ anti-theft
• W/o anti-theft

Starting Wiring Diagram, M/T for Toyota Corolla S 2003

List of elements for Starting Wiring Diagram, M/T for Toyota Corolla S 2003:

• (behind right side of dash)
• Acc
• Am2 fuse 15a
• Battery
• Battery ground
• Clutch start switch (on bracket, above clutch pedal)
• Connector 6
• Engine control module (behind right side of dash, below glove box)
• Engine room j/b (on left side of engine compt)
• Engine room r/b (integral to engine room j/b)
• I2 (w/o anti-theft) (in instrument panel wire, at left side of dash)
• I9 (w/ anti-theft) (in instrument panel wire, near breakout for starter cut relay)
• Ie (at left dash brace)
• Ignition switch
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction
• L11
• Main fuse 30a
• Nca
• Off
• Red
• Srly
• Sta
• Start
• Starter
• Starter cut relay (behind upper right side of dash)
• Starter relay
• Tvip ecu
• W/ anti-theft
• W/o anti-theft

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Toyota Corolla S 2003

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Toyota Corolla S 2003:

• (front passenger air bag assembly) air bag squib
• (on left side door sill plate area) (if equipped) left side air bag sensor
• (steering wheel pad) air bag squib
• +sl
• +sr
• -sl
• -sr
• A12
• A13
• A14
• Acc
• Air bag sensor assembly (below front of center console)
• Am2
• D2+
• D2-
• Engine control module (behind right side of dash, below glove box)
• Esl
• Esr
• F/ps
• Fr-
• Fsl
• Fsr
• Gsw2
• H10
• Hot at all times
• I10
• Ig2
• Ignition switch
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c 6 (behind left side of dash)
• J/c 7 (behind right kick panel)
• Lbe+
• Left front air bag sensor (behind left side of grille)
• Left pretensioner (at bottom of left "b" pillar)
• Left side air bag squib (if equipped)
• Lock
• Lsp+
• Lsp-
• P2+
• P2-
• Pl+
• Pl-
• Pnk
• Pr+
• Rbe+
• Right front air bag sensor (behind right side of grille)
• Right pretensioner (at bottom of right "b" pillar)
• Right side air bag sensor (if equipped) (on right side door sill plate area)
• Right side air bag squib (if equipped)
• Sfl+
• Sfl-
• Sfr+
• Sfr-
• Sil
• Ssl-
• Ssr-
• Start
• Vupl
• Vupr

Supplemental Restraints Wiring Diagram (2 of 2) for Toyota Corolla S 2003

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Toyota Corolla S 2003:

• (in instrument panel wire 3 harness, near breakout for occupant detection sensor) i6
• A11
• A14
• A15
• B16
• B18
• B21
• B22
• Buckle switch
• C13
• C14
• C15
• C19
• C20
• Center j/b (behind center of dash)
• Combination meter
• Data link connector 3 (partial) (below left side of dash)
• Dome fuse 15a
• Engine room r/b (intergal to engine room j/b)
• Gauge fuse 10a
• Gnd
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left side of dash at lower finish panel)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• J/c 6 (behind combination meter)
• J/c 7 (behind right kick panel)
• Left buckle switch (seat position sensor) (in left front seat belt buckle)
• Occupant detection sensor
• Right buckle switch (occupant detection sensor) (in right front seat belt buckle)
• Right j/b (behind upper right side of dash)
• Seat position sensor
• Srs

TRANSMISSION

A/T Wiring Diagram for Toyota Corolla S 2003

List of elements for A/T Wiring Diagram for Toyota Corolla S 2003:

• (below left center of dash) data link connector 3
• A/t shift lever position switch (left side of transaxle)
• A11
• A17
• Acc
• Am2 fuse 15a
• B20
• B22
• Batt
• C11
• C12
• C13
• C14
• Center j/b (behind center of dash)
• Combination meter
• Cruise control ecu (behind left side of dash)
• E01
• E02
• E03
• Eb (left rear of engine)
• Ec (rear of engine)
• Ect
• Ed (left front strut tower)
• Efi fuse 15a
• Efi relay
• Electronically controlled transmission solenoid
• Engine control module (behind right side of dash, below glove box)
• Engine coolant temperature sensor (rear of engine)
• Engine room r/b (internal to engine room j/b, left side of engine compt)
• Gauge fuse 10a
• Hot at all times
• Hot in run or start
• Ign
• Ignition switch
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Interior lights system
• J/c 2, j/c 3 (right end of dash)
• J/c 4, j/c 5 (right end of j4 dash)
• J/c 7 (right kick panel)
• K10
• Line press control sol
• Lock
• O/d main switch
• O/d off
• Od1
• Odlp
• Odms
• Pnk
• Rh j/b (behind upper right side of dash)
• Run
• Shift sol 1
• Shift sol 2
• Sil
• Slt+
• Slt-
• Spd
• Start
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Stp
• Tcc sol
• Throttle position sensor (on throttle body assembly)
• Thw
• Vta
• Wfse

WARNING SYSTEMS

Warning Systems Wiring Diagram for Toyota Corolla S 2003

List of elements for Warning Systems Wiring Diagram for Toyota Corolla S 2003:

• (behind center of dash) center j/b
• (in instrument panel wire, behind upper center of dash)
• (usa)
• A11
• A14
• A15
• B11
• B16
• B18
• B21
• B22
• Buckle switch
• Buzzer
• C19
• C20
• Canada
• Center j/b (behind center of dash)
• Combination meter
• Combination switch
• Daytime running light relay (on instrument panel j/b)
• Dome fuse 15a
• Door ind
• Eb (at left rear of engine)
• Engine room r/b (integral to engine room j/b)
• Front passenger seat belt warning switch
• Gauge fuse 10a
• Head
• Hot at all times
• Hot in on or start
• Ie (at left dash brace)
• Ig (behind right kick panel)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Junction connector 3
• Junction connector 6
• Junction connector 7
• Left buckle switch (in left front seat belt buckle)
• Left front door courtesy switch
• Light control switch
• Occupant detection sensor
• Occupant detection sensor (under right front seat)
• Off
• Right buckle switch (in right front seat belt buckle)
• Right j/b (behind upper right side of dash)
• Right r/b (integral to right j/b)
• Seat belt indicator
• Tail
• Tail fuse 15a
• Tail relay
• Unlock warning switch (on steering column, behind ignition key cylinder)
• Usa
• W/ door locks
• W/o door locks

WIPER/WASHER

Wiper/Washer Wiring Diagram for Toyota Corolla S 2003

List of elements for Wiper/Washer Wiring Diagram for Toyota Corolla S 2003:

• (at front side of right fender) ea
• B16
• B22
• C11
• Combi- nation meter
• Combination switch
• Ea (at front side of right fender)
• Front washer motor (on washer fluid reservoir)
• Front wiper motor (on left side of firewall)
• Front wiper switch
• Gauge fuse 10a
• High
• Hot in on or start
• Ie (at left dash brace)
• Instrument panel j/b (behind left side of dash, at lower finish panel)
• Int
• J/c 6
• Low/ mist
• Off
• Right j/b (behind upper right side of dash)
• Solid state
• Washer fuse 15a
• Washer level ind
• Washer level sensor (canada) (at right front corner of engine compt, on washer reservoir)
• Washer switch
• Wiper fuse 25a