Work procedure

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Connect diagnostic tester. See CONNECT DIAGNOSTIC TESTER .
Start engine and let run at idle.
In diagnostic function "33 - OBD", select "Mode 1: Checking measured values."
Select the desired measuring value "PID 01".
Observe the right 8-digit number block:

If all diagnoses have run through successfully, the following specified value 8-digit number block must appear:

Specified value: 0 0 0 0 0 0 0 0