volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor Before Catalyst|Page 1180 > < Oxygen Sensor Before Catalyst|Page 1178
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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.

Oxygen Sensor Before Catalyst|Page 1180 > < Oxygen Sensor Before Catalyst|Page 1178