Leak Test - Display Group 021

VAG 1551 Display, Measuring Value Block Display Group 021:

Key to VAG 1551 Display, Measuring Value Block 21

NOTE on display field 3:
If the displayed value exceeds the permissible specified value during function testing, a malfunction is stored in DTC memory .

8 Digit Diagnostic Status Display:

Interpreting the 8-digit diagnostic status display in display field 4.
NOTE on display field 4:
The flow diagnosis is ended if the following status display appears:
^ "On-Board Diagnostics Check" with "Read Measuring Value Block" function 08:
1 1 1 1 1 1 0 0 - flow diagnosis OK
0 1 1 1 1 1 0 0 - flow diagnosis not OK
^ "Shop Diagnosis" with "Basic Setting" function 04:
1 * 1 1 * * 0 0 - flow diagnosis OK
0 * 1 1 * * 0 0 - flow diagnosis not OK
^ Values in the spaces filled with * are not important for shop diagnosis leak testing.