Schematic diagram of the fuel injection system (4A-FE): 1 - fuel filter; 2 - fuel tank; 3 - fuel pump; 4 - relay-switch of the fuel pump; 5 - the main relay of the fuel injection system; 6 - battery; 7 - control lamp "CHECK"; 8 - diagnostic connector; 9 - ignition lock; 10 - instrument cluster; 11 - speed sensor No. 1; 12 - rear lights relay; 13 - rear window heater switch; 14 - conditioner amplifier (for models with air conditioning); 15 - electronic control unit; 16 - intake air temperature sensor; 17 - throttle position sensor; 18 - valve of the idle speed control system; 19 - electropneumatic control valve for increasing the idle speed (for models with air conditioning); 20 - electropneumatic valve of the system for changing the geometry of the intake manifold; 21 - the actuator of the system for changing the geometry of the intake manifold; 22 - coolant temperature sensor; 23 - oxygen sensor; 24 - nozzle; 25 - fuel pressure regulator; 26 - absolute pressure sensor in the intake manifold; 27 - switch; 28 - ignition coil; 29 - distributor; 30 - variable resistor (serial version); 31 - catalytic converter; 32 - knock sensor (serial version) 33 - start inhibit switch (models with automatic transmission).
* - models with the Learn Burn system.
** - modifications.
Fuel injection scheme (3S-FE; 4S-FE): 1 - oxygen sensor; 2 - coolant temperature sensor; 3 - knock sensor; 4 - nozzle; 5 - fuel pressure regulator; 6 - distributor; 7 - switch; 8 - fuel filter; 9 - battery; 10 - fuel pump; 11 - fuel tank; 12 - relay-switch of the fuel pump; 13 - diagnostic connector; 14 - the main relay of the fuel injection system; 15 - ignition lock; 16 - speed sensor; 17 - start inhibit switch (models with automatic transmission); 18 - conditioner amplifier; 19 - valve of the system for increasing the speed when the air conditioner is turned on; 20 - starter; 21 - rear lights relay; 22 - rear window heater relay; 23 - variable resistor; 24 - absolute pressure sensor in the intake manifold; 25 - air filter; 26 - intake air temperature sensor; 27 - valve of the idle speed control system; 28 - throttle position sensor; 29 - catalytic converter; 30 - valve of the exhaust gas recirculation system; 31 - electropneumatic valve of the exhaust gas recirculation system; 32 - electronic fuel injection control unit.
* - modifications.
fuel injection system (3S-GE - system with variable intake manifold geometry): 1 - fuel filter; 2 - oxygen sensor; 3 - fuel pump; 4 - fuel tank; 5 - resistor with variable resistance; 6 - battery; 7 - coolant temperature sensor; 8 - thermal relay of the cold start injector; 9 - vehicle speed sensor; 10 - diagnostic connector; 11 - distributor; 12 - fuel pressure regulator; 13 - electronic engine and automatic transmission control unit; 14 - air conditioning compressor; 15 - stoplight switch; 16 - electropneumatic valve; 17 - knock sensor; 18 - starter; 19 - absolute pressure sensor in the intake manifold; 20 - ignition coil and switch; 21 - actuator; 22 - valve of the idle speed control system; 23 - electropneumatic valve; 24 - throttle position sensor; 25 - intake air temperature sensor; 26 - cold start nozzle; 27 - vacuum receiver
Scheme of the injection system (5E-FE): 1 - bimetallic electropneumatic valve; 2 - container with activated carbon; 3 - fuel pump; 4 - intake air temperature sensor; 5 - fuel filter; 6 - fuel pressure regulator; 7 - electropneumatic valve; 8 - absolute pressure sensor in the intake manifold; 9 - valve of the exhaust gas recirculation system; 10 - vacuum modulator of the exhaust gas recirculation system; 11 - distributor; 12 - electropneumatic valve; 13 - throttle opening mechanism; 14 - throttle position sensor; 15 - nozzle; 16 - switch; 17 - speed sensor; 18 - Coolant temperature sensor; 19 - "asymmetrical" pneumatic valve; 20 - electropneumatic valve; 21 - air supply control valve; 22 - oxygen sensor; 23 - valve for supplying additional air; 24 - switch for coolant temperature; 25 - electronic engine and automatic transmission control unit; 26 - signal for turning on the air conditioner; 27 - signal for turning on the electric fan of the radiator of the cooling system; 28 - control lamp "CHECK"; 29 start inhibit switch; 30 - starter; 31 - diagnostic connector; 32 - battery; 33 - signal to turn on the headlights.
* - only for models with automatic transmission.