Procedure
The control unit cannot be tested at home. Practice also shows that problems on this side are extremely rare. If there is a problem, proceed as follows:
Check fuse #17 or one of the fuses in black, brown or red fuse holders (in the electronics unit).
Check if the ignition system is in order.
Check fuel supply.
Carry out a visual inspection of the injection system components (see next section).
If the fault is not found in this way, refer to the list of faults at the end of the chapter. Or check the fault memory in the workshop. Thus, find out the possible source of the problem, check the suspicious part according to the control scheme.
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