Engine control system diagram:
1 - ignition switch (lock);
2 - main relay;
3 - battery;
4 - air filter;
5 - diagnostic connector block;
6 - Engine management system malfunction indicator lamp;
7 - tachometer;
8 - speedometer;
9 - trip computer display;
10 - electric fan relay (low speed);
11 - additional resistor;
12 - Electric fan of the engine cooling system;
13 - electric fan relay (high speed);
14 - Electronic engine control unit (ECU);
15 - coolant temperature sensor;
16 - injectors;
17 - camshaft position sensor (phase sensor);
18 - ignition coil;
19 - throttle assembly;
20 - throttle position sensor;
21 - mass air flow sensor;
22 - idle speed controller;
23 - spark plug;
24, 32 - oxygen concentration sensors;
25 - vehicle speed sensor;
26 - crankshaft position sensor;
27 - knock sensor;
28 - crankshaft pulley;
29 - Fuel pump relay;
30 - fuel module;
31 - Rough Road Sensor;
33 - purge valve of the adsorber.
Note: Vehicles with air conditioning are additionally equipped with a pressure sensor.