Motronic control unit, injectors, engine speed sensor
G18 - intake air temperature sensor;
G28 - vehicle engine shaft speed sensor;
J217 - automatic transmission control unit;
J220 - system control unit "Motronic";
J301 - air conditioning control unit;
N30 - valve nozzle of the 1st cylinder;
N31 - valve nozzle of the 2nd cylinder;
N32 - valve nozzle of the 3rd cylinder;
N33 - valve injector of the 4th cylinder;
N205 - solenoid valve for control of distribution (camshaft);
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 - 2-pin connector, on the intake air temperature sensor;
T2i – 2-pin plug connector, on the solenoid valve for controlling the distribution (camshaft);
T3l - three-pin plug connector, on the vehicle engine shaft speed sensor;
T6a - 6-pin male connector, in waterproof housing (red);
T10f - 10-pin plug connector, in the cable duct on the left (black);
T10m - ten-pin plug connector, on the air conditioning control unit;
T28a - 28-pin connector, on the control unit "Motronic";
T52a - 52-pin connector, on the control unit "Motronic";
T68a - 68-pin 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 cars with air conditioning;
** - only for cars with automatic transmission
The structure of circuit diagrams of electrical equipment is located here →
Symbols found in circuit diagrams are here →
Explanations for the symbols found in the wiring diagrams are here →