volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4709 > < Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4707
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- Check specifications in Display zones 3 and 4. 

If specification obtained 

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Press -> button. 

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Press 0 and 6 buttons to select Function 06 "End data transfer"

- Press Q button to enter input 
- Switch OFF ignition. 

Continuation 

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Disconnect 4-pin harness connector (black) to Oxygen sensor -1- G108 (after Three Way Catalyst).

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Switch Multimeter to "Resistance" range 

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Connect Multimeter between terminals 1 + 2 of Oxygen sensor connector using jumper wires from VW 1594 adaptor kit.

Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4709 > < Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4707