Beetle L4-2.0L (AEG) (2000)
Input Display group number XXX
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Press 0, 3 and 2 buttons to select "Display group 32"
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Press Q button to enter input.
Indicated on display (1 to 4 = Display fields)
Read measuring value block 32
->
1
2
3
4
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Check specifications for Oxygen control before Three Way Catalyst (Display fields 1 to 3).
If specifications obtained Switch to Display group 33 as follows:
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VAG 1551: Press 3 button
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VAG 1552: Press uparrow button
Indicated on display (1 to 4 = Display fields)
Read measuring value block 33
->
1
2
3
4
-
Check Oxygen sensor heating. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component Tests and
General Diagnostics/Oxygen Sensor, Checking