Jetta L4-2.0L (AEG) (2000)
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Press buttons -0-, -3-, and -4- to input display group number 34 (034) and press -Q- button to confirm input.
Indicated on display: (1-4 = display fields)
Read Measuring Value Block 34
->
1
2
3
4
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Set engine speed at 2800-3200 RPM using VAG1788/10 engine speed adjuster.
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Maintain engine speed at 2800-3200 RPM until Three Way Catalytic Converter (TWC) temperature in display field 2 increases to above 352°C.
NOTE: This process can take a few minutes.
Display Group 34
If the specified values are obtained:
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Set engine speed at 1800-2200 RPM using VAG1788/10 engine speed adjuster.
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Press -C- button.
Indicated on display
Read Measuring Value Block
Input display group number XXX