Jetta GLS L4-1.8L Turbo (AWP) (2002)
If the specification is not obtained:
-
Check the oxygen sensor heating after catalyst. See: Heater Check
If the specification is obtained:
-
Press C key.
-
Press keys 0, 3 and 6 for "Display group number 36" and confirm entry with Q key.
Indicated on display: (1 to 4 = Display zones)
Read measured value block 36
->
1
2
3
4
-
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:
-
Continue check according to following table.