Jetta GLS Wagon L4-2.0L (AZG) (2002)
Indicated on display:
Rapid data transfer
HELP
Select function XX
-
Press buttons -0- and -8- to select "Read measuring value block" function 08. Press -Q- button to confirm input.
Indicated on display:
Read measuring value block
Enter display group number XXX
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Press buttons 4-, -0- and -1- to select "Display group number 41". Press -Q- button to confirm input.
Indicated on display: (1 to 4 = display fields)
Read measuring value block 41
->
1
2
3
4
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Let engine run at idle for 2 minutes.
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Check the status of the oxygen sensor heater in display field 4:
Display: Htng.beh.cat.ON,
Htng.beh.cat.OFF (alternating)
If indications do not resemble description:
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Press -> button.
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Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
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Switch ignition off.
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Unscrew protective cover (arrows) and disconnect 4-pin harness connector (black) -1- to Oxygen Sensor (02S) behind Three Way Catalytic
Converter (TWC) -G130-.