Toyota Corolla Elcomplo.

ELECTRICAL COMPONENT LOCATORArticle Text

1987 Toyota Corolla (FWD)For Electronics & Computers El Camino Real Santa Clara CA 95051

ARTICLE BEGINNING

1987 ELECTRICAL COMPONENTS LOCATIONS Toyota Electrical Components

Toyota; Corolla 4WD

BUZZERS, RELAYS & TIMERS��

Component Component Locators��

A/C Fan Relay No. 2 On fuse/relay block No. 2.

A/C Fan Relay No. 3 On fuse/relay block No. 2.

Charge Light Relay Behind right side of dash, near cruise control computer.

Cold Mixture Relay In front left corner of engine compartment, near battery.

ELECTRICAL COMPONENT LOCATORArticle Text (p. 2)

Door Lock Control Relay Inside passenger's door trim panel.

EFI Circuit Opening Relay Under dash, to right of steering column, behind ECU.

Engine Main Relay(Graphic 1) On fuse/relay block No. 2.

Engine Main Relay(Graphic 2) On fuse/relay block No. 2.

Headlight Relay On fuse/relay block No. 2.

Heater Relay On fuse/relay block No. 4.

Power Window Relay In left kick panel, above fuse/relay block No. 1.

Radiator Fan RelayNo. 1 On fuse/relay block No. 2.

Rear Window DefoggerRelay On fuse/relay block No. 1.

Seat Belt WarningRelay Behind right side of dash, above cruise control computer.

Starter Relay (M/T) On fuse/relay block No. 4.

Taillight Relay On fuse/relay block No. 1.

Turn Signal/HazardFlasher Behind left kick panel.

CIRCUIT PROTECTION DEVICES��

A/C Fuse On fuse/relay block No. 4.

Circuit Breakers

Door Under right side of dash, near cruise control computer.

Heater On fuse/relay block No. 4.

Power Window Near fuse/relay block No. 1.

Rear Window Defogger On fuse/relay block No. 1.

Fuse/Relay Block No. 1 Behind left kick panel.

Fuse/Relay Block No. 2 In front left side of engine compartment.

Fuse/Relay Block No. 4 Behind right kick panel.

Fusible Links On positive battery terminal.

CONTROL UNITS��

Cruise Control Computer Behind right side of dash, to right of glove box.

Carb. Emission ControlComputer Under dash, to right of steering column.

EFI Electronic ControlUnit (ECU) Under left side of dash, to right of steering column.

Electronic ControlledTransmission(ECT) Computer Under left side of dash, to right of steering column.

MOTORS��

A/C Condenser Fan Motor Behind right side of radiator.

Blower Motor Behind glove box, on bottom of blower housing.

Cruise Control Vacuum Pump Motors

Except FX Models In right front corner of engine compartment.

FX Models In right rear corner of engine compartment.

Radiator Fan Motor Behind left side of radiator.

Rear Window Wiper Motor Inside left side of rear hatch.

Sun Roof Motor On front center of roof, near sun roof switch.

Windshield Wiper Motor On right side of firewall.

Washer Motor In front right corner of engine compartment, on washer reservoir.

SENDING UNITS & SENSORS��

Coolant Temperature SendingUnit On upper right side of engine block.

Coolant Temperature Sensor On rear of engine, on engine coolant inlet.

Fuel Gauge Sending Unit In fuel tank.

Oxygen Sensor In exhaust manifold.

Vehicle Speed Sensors No. 1 . On back of instrument cluster.

No. 2 . On right top side of transmission.

SOLENOIDS & SOLENOIDS VALVES��

A/C Idle-Up VSV In front of front right shock- tower.

A/T Solenoids Lock-Up, No. 1 & No. 2 On transaxle valve body.

Electric Air Bleed ControlValve On right front inner fender panel.

Electric Idle-Up VSV On right front inner fender panel.

Evaporator Purge VSV On back of left front shock tower.

Fuel-Cut Solenoid Valve On throttle body.

Outer Vent Control Valve Behind carburetor, on cylinder head.

SWITCHES��

A/C Low Pressure Switch Behind right side of dash, to right of evaporator.

A/C High Pressure Switch In left front corner of engine compartment.

Back-Up Light Switch (M/T) On right front side of transmission.

Brake Fluid Level WarningSwitch At bottom of brake fluid reservoir cap.

Brake/Stoplight Switch On brake pedal bracket.

Coolant Temperature Switch On rear of engine, in coolant inlet housing.

Clutch Start Switch (M/T) On clutch pedal bracket.

Cruise Control Clutch Switch(M/T) On clutch pedal bracket.

Neutral/Start Switch (A/T) On left side of transmission

Oil Pressure Switch On engine block, near oil filter.

Parking Brake Switch At base of parking brake lever.

Seat Belt Buckle Switch At base of driver's seat belt buckle.

Start Injector Time Switch At rear of engine, in coolant inlet housing.

Throttle PositionSwitch (Graphic 1) On throttle body.

Throttle PositionSwitch (Graphic 2) On throttle body.

Vacuum Switch On right front inner fender panel.

MISCELLANEOUS��

A/C Amplifier Behind glove box, attached to right side of cooling unit.

A/C Thermistor Behind right side of dash, inside of cooling unit.

Blower Resistor Behind right side of dash, on top of cooling unit.

Cold Mixture Heater (CMH) On throttle body.

Cruise Control Actuators

Except FX Models In rear left corner of engine compartment.

FX Models On right front inner fender panel.

EFI Solenoid Resistor On right corner of firewall.

Junction Block No. 3 Behind left side of dash.

Diagnostic Test Connectors "CHECK ENGINE" Near right front shock tower.

ECT Near front right shock tower.

Oxygen Sensor In exhaust manifold.��

END OF ARTICLE

Toyota Corolla Elcomplo.

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