Control unit 1AV, lambda probe, temperature sensor, air pressure
G39 - lambda probe;
G42 - intake air temperature sensor;
G61 - knock sensor;
G71 - intake air pressure sensor;
J310 - air conditioning control unit;
J382 - control unit "1AV";
T2z - two-pin plug connector, on the knock sensor;
T4b - four-pin plug connector, near the lambda probe;
T4h - four-pin connector, on the intake air temperature and pressure sensor;
T6a - six-pin male connector, in a waterproof housing (red);
T10a - 10-pin male connector, in a waterproof housing (white);
T10g - 10-pin male connector, in waterproof housing (brown);
T10m - ten-pin plug connector, on the air conditioning control unit;
T28a - 28-pin plug connector, on the control unit "1AV";
T52a - 52-pin plug connector, on the control unit "1AV";
Z19 - heating of the lambda probe;
10 - connection point on "mass" in a waterproof casing;
85 - connection on "mass" in the wiring harness for the engine;
D141 - connection (5V) in the engine wiring harness;
D142 - Connection in engine wiring harness
* - only for cars with air conditioning
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 →