Flow Test - Display Group 020

VAG 1551 Display, Measuring Value Block Display Group 020:

Key to VAG 1551 Display, Measuring Value Block 20

NOTE on display field 3:
If the value during the function testing drops below specifications, a malfunction is stored in DTC memory.

8 Digit Oxygen Sensor Learning Requirement Diagnosis Display:

Interpreting the 8-digit oxygen sensor learning requirement diagnosis in display field 4

NOTES on display field 4:
^ The flow diagnosis is ended if the following status display appears:
* 1 * * 1 1 0 0 Flow diagnosis OK
* 0 * * 7 1 0 0 Flow diagnosis not OK
^ Values in the spaces filled with * are not important for shop diagnosis leak testing.