Jetta GLS Wagon L4-2.0L (AZG) (2002)
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Check Oxygen sensor heating after catalyst
If the specification is obtained:
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Press C key.
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Press keys 0, 3 and 6 for "Display group number 36" and confirm entry with Q key.
Indicated on display: (1 to 2 = Display zones)
Read measuring value block 36
->
1
2
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Check Oxygen sensor voltage after catalyst in display zone 1:
Specification: 0.100 to 0.900 V (can fluctuate slightly)
If the display in display zone 1 remains constant:
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Continue check according to following table.