The additional relay and fuse box 1 is located on the left rear in the engine compartment. With cover removed (3) relays visible (2) and thermal fuses (1). Designation:
1 - control unit for turning on the fan;
2 - relay for the electric fan of the engine cooling system of the 1st stage;
3 - relay for the electric fan of the engine cooling system of the 2nd stage;
4 - relay for fog lights;
5 - relay for switching off the electronic differential lock;
6 - control unit for intensive glass washing;
7 - free;
8 - relay for reversing lights all-wheel drive with automatic transmission);
9 - magnetic clutch enable relay (automatically or manually);
10 - magnetic clutch control unit (manual air conditioner);
11 - relay of the glass cleaning / washing system;
12 - free;
13 - relay for adjusting the current strength in the speakers;
14, 15 - light bulb control unit;
16 - free;
17 - relay for air conditioner standby mode (manual air conditioner);
B1 - thermal fuse I for seat adjustment;
B2 - thermal fuse II for seat adjustment;
VZ - thermal fuse for the thermostat of the heated closing cylinder;
B4 - thermal fuse for the trailer socket;
B5 - free;
A1 - thermal fuse for electric windows;
A2 - thermal fuse for the central locking system, anti-theft system, infrared ray control unit;
AZ - thermal fuse for electrically sliding sunroof;
A4 - thermal fuse for radio / speakers;
A5 - thermal fuse for seat heating.
Right: under cover (1) on the left in the driver's footwell there is an additional relay box II (2). List of designations for the top figure:
1 - control unit for power windows and sliding sunroof;
2 - control unit for power windows and a sliding sunroof;
3 - relay for power windows and sliding sunroof;
4 - relay for overvoltage protection (airbag), ABS combined relay;
5 - control unit for blocking the automatic transmission lever;
6 - relay for automatic transmission.
Auxiliary relay box I is located at the rear left in the engine compartment in a so-called waterproof housing. In addition to numerous relays and control units, there are also various thermal fuses and connections for connecting diagnostic equipment (see chapter «Regular maintenance»).
Additional relay block II is located under the side trim on the left near the driver's feet. To do this, remove the Phillips screws from below, then remove the cover. Remove the Phillips screws from the side trim and remove carefully.
The block of additional relays III is located under the right side trim in the area of \u200b\u200bthe legs of the passenger sitting next to the driver, i.e. to a certain extent «mirror» to the position of the additional relay box II. The removal of the casing is carried out in the same way as for the additional relay block II.
Note: The lid of the watertight housing of the additional relay box I must be closed, otherwise drafts will be blowing up the driver's legs while driving. This is often forgotten after a diagnosis in a car repair shop.
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