TDI engine control unit, engine speed sensor
F8 - switch "Kick-down" accelerator pedals;
F60 - idle limit switch;
G28 - engine shaft speed sensor;
G70 - air flow meter;
G71 - intake air pressure sensor;
G72 - intake air temperature sensor;
G79 - accelerator pedal position sensor;
G80 - needle stroke sensor;
J248 - engine control unit 1.9 "TDI";
J322 - engine control unit relay 1.9 "TDI";
T2h - two-pin plug connector, on the needle stroke sensor;
T3i - 3-pin plug connector, on the speed sensor;
T4m - 4-pin connector, on the intake air pressure and temperature sensor;
T6a - 6-pin male connector, in waterproof housing (red);
T6i - six-pin connector, on the accelerator pedal position sensor;
T6m - six-pin plug connector, on the air mass meter;
T10j - 10-pin male connector, in waterproof housing (blue);
T10k - 10-pin male connector, in waterproof housing (black);
T28a - 28-pin connector, on the engine control unit 1.9 "TDI";
T52a - 52-pin connector, on engine control unit 1.9 "TDI";
156 - connection on "mass" in the engine wiring harness;
220 - connection (sensor) on "mass" in the engine wiring harness;
A40 - connection with positive pole (30) in the wiring harness behind the instrument panel on the left;
F27 - connection in the engine wiring harness
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 →