volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 1521 > < Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 1519
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Indicated on display

Read Measuring Value Block

HELP 

Input display group number XXX

-

Press buttons -0-, -4- and -0- to input display group number 40 (040), and press -Q- button to confirm input.

Indicated on display (1-4 = display fields)

Read Measuring Value Block 40

->

1

2

3

4

-

Check HO2S heating resistance after catalytic converter in display field 3.

Display Group 40

If displayed values are OK (as specified):

-

Press -> button.

-

Press buttons -0- and -6- to select "End Output" function 06, and press -Q- button to confirm input.

-

Switch ignition off.

Continuation

If displayed values are NOT OK:

-

Switch ignition off.

-

Disconnect 4-pin connector for respective Heated Oxygen Sensor (HO2S).

Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 1521 > < Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 1519