TDI engine control unit, throttle position sensor
G81 – fuel temperature sensor;
G149 – throttle position sensor;
J248 – engine control unit 1.9 TDI;
K29 – glow plug indicator (preheating);
N108 – injection start valve;
N109 – fuel shut-off valve;
N146 – fuel flow regulator;
T10a – ten-pin plug connector in a waterproof casing (white);
T10f – ten-pin plug connector in the cable channel on the left (black);
T10l – ten-pin plug connector on the high-pressure fuel pump;
T28a – 28-pin plug connector on the engine control unit 1.9 TDI;
T32a – 32-pin plug connector on the instrument panel;
T52a – 52-pin plug connector on the engine control unit 1.9 TDI;
A100 - connection (87) in the wiring harness behind the instrument panel on the left;
F25 – connection in engine wiring harness
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 →