Read readiness code: Procedure

Connect diagnostic tester. See DIAGNOSTIC TESTER, CONNECTING .
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