Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Read Measuring Value Block 32
->
1
2
3
4
-
Check idle oxygen sensor adaptation values (additive) in display fields 1 and 3.
Specification: -10.0 to 10.0%
-
Check partial throttle oxygen sensor adaptation values (multiplicative) in display fields 2 and 4.
Specification: -10.0 to 10.0%
If the expected value(s) are not obtained: Refer to Scan Tool Testing/Measuring Value Blocks (Function 08)/Evaluating Display Groups 30-44, 99 See:
Testing and Inspection
If specified values are obtained:
-
Change to display group 33 as follows:
V.A.G 1551: Press button -3-
VAG 1552: up arrow key is pressed
Indicated on display (1 - 4 = display fields)
Read Measuring Value Block 33
->
1
2
3
4
-
Observe oxygen sensor control in display fields 1 and 3.
The indication should oscillate in the range from -10.0 to 10.0% by at least 2%.
-
Check oxygen sensor voltage in display fields 2 and 4.
The voltage should oscillate at least 20 times a minute in the range from 0 to 1.0 V.
If one or more of the indications in display field 2 or 4 is constant on one value:
-
Continue testing according to following table.