Additional relay block III (3) is under the cover (1) on the right in the footwell of the passenger sitting next to the driver. Sticker (2) explains the layout of the plug connections, which is often used for taxis and diesel vehicles. On our petrol vehicles, it is installed in position «1» oxygen sensor heating control unit (6 cylinder engine) or relay for intake pipe preheating (4-cylinder engine with a power of 74 kW).
To get to the electronics box on the lower right in the footwell of the passenger sitting next to the driver, the rubber cover must be cut along the strip and the electronics box cover unscrewed (3). There are thermal fuses (1) (mainly for engine electronics) and control units (2). Legend: see figure on the right.
Electronics block:
1 - injection and ignition control unit;
2 - automatic transmission control unit;
3 - black thermal fuse;
4 - brown thermal fuse;
5 - red thermal fuse;
6 - yellow thermal fuse;
7 - code plug;
8 — height sensor;
9 - control unit for the electrical ignition system (for a five-cylinder engine), on other engines, ignition and injection are combined.
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