Work procedure: Notes

WARNING: This page is about a different variant/trim than selected.

Connect diagnostic tester. See Connect diagnostic tester .
Start engine and let run at idle.
In diagnostic function "33 - OBD", select "Mode 5: Check output of oxygen sensor signals".
Via the following table, select the desired output of oxygen sensor signals according to Test ID (Test Identification), e.g. "01: Rich to lean sensor barrier voltage".

Check specified values at idle.

NOTE:

When selecting the diagnostic mode, the entry is always performed in "Bank 1 sensor 1".
If either the V.A.G 1551/1552 Scan Tool (ST) or the VAS5051/5052 Vehicle Diagnostic, Testing and Information System is used for checking the output of oxygen sensor signals, the respective oxygen sensor can be selected by pressing buttons 1 and 2:
- Button 1 = Bank 1 sensor 1,
- Button 2 = Bank 1 sensor 2.

MODE 5 TEST-ID EVALUATION

Test-ID ⁽¹⁾

Diagnostic text

Evaluation

01:

Rich to lean sensor barrier voltage

02:

Lean to rich sensor barrier voltage

07:

Minimum voltage at sensor for test cycle