Golf GTI L4-2.0L (ABA) (1997)
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Press buttons -1-, -1- and -5- to input display group 115 and press -Q- button to confirm input.
Indicated on display (1-4 Display fields)
Read Measuring Value Block 115-->
1 2 3 4
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Note HO2S voltage in display field 3.
Display Group 115: Heated Oxygen Sensor Before Convertor
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Switch ignition off.
Evaluating display group 025