Motronic control unit, injectors, engine speed sensor
G18 – intake air temperature sensor;
G28 – engine speed sensor;
J217 – automatic transmission control unit;
J220 - "Motronic" system control unit;
J301 – Air conditioning control unit;
N30 – valve injector of the 1st cylinder;
N31 – 2nd cylinder injector valve;
N32 – valve injector of the 3rd cylinder;
N33 – 4th cylinder injector valve;
N₂05 – electromagnetic valve for regulating the distribution (cam shaft);
T2a – two-pin plug connector, on the valve injector of the 1st cylinder;
T2b – two-pin plug connector, on the valve injector of the 2nd cylinder;
T2c – two-pin plug connector, on the valve injector of the 3rd cylinder;
T2d – two-pin plug connector, on the valve injector of the 4th cylinder;
T2h – two-pin plug connector, on the intake air temperature sensor;
T2i – two-pin plug connector, on the electromagnetic valve for regulating the distribution (camshaft);
T3l – three-pin plug connector, on the engine speed sensor of the car;
T6a – six-pin plug connector, in a waterproof housing (red);
T10f – ten-pin plug connector, in cable channel on the left (black);
T10m – ten-pin plug connector, on the air conditioning control unit;
T28a – 28-pin plug connector, on the "Motronic" control unit;
T52a – 52-pin plug connector, on the "Motronic" control unit;
T68a – 68-pin plug connector, on the automatic transmission control unit;
D140 – connection (valve injectors) in the engine wiring harness;
D142 – connection in the engine wiring harness;
* – only for vehicles with air conditioning;
** – only for cars with automatic transmission
The structure of the basic diagrams of electrical equipment is located here →
Symbols found in wiring diagrams are here →
Explanations of the symbols found on the electrical diagrams are located here →