Jetta V6-2.8L (BDF) (2002)
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Connect VAG 1551 Scan tool (or VAG 1552) and select engine electronics control module with "Address word" 01. When doing this the engine
must be running at idle speed: ((VAG 1551 and Motronic Engine Control Module (ECM) -J220-, connecting and selecting). Refer to "Scan Tool
Testing/Scan Tool Connecting and Initial Checks".
See: Testing and Inspection
Indicated on display:
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- for function "Read measured value (data) block" and confirm entry with -Q- button.
Indicated on display:
Read measured value block
Input display group number XXX
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Press buttons -0-, -3- and -0- for "Display group number 30" and confirm entry with -Q- button.
Indicated on display: (1 to 2 = display zones)
Read measured value block 30
->
1
2
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Check Oxygen Sensor control status before Three Way Catalytic Converter (TWC) (display zone 1):
Specification: 111
Significance of figures in 3 digit number block.
NOTE: The bits in display zone 1 will not be set to 1 until the Three Way Catalytic Converter (TWC) temperature rises above 380 degrees C ( See
display groups 34, display zone 2).
If the specification is not obtained:
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Press the -> button.
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Check Heated Oxygen Sensor (HO2S)
See: .
If the specification is obtained:
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Change to display group 32 as follows:
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Press -C- button.
Indicated on display:
Read measured value block
Input display group number XXX
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Press buttons -0-, -3- and -2- for "Display group number 32" and confirm entry with -Q- button.
Indicated on display: (1 to 2 display zones)
Read measured value block 32
->
1
2
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Check Oxygen Sensor learned values at idle speed (additive) in display zone 1.
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Specification: -5.4 to 5.4 %
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Check Oxygen Sensor learned values at part load (multiple active) in display zone 2.
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Specification: -10.0 to 10.0%
If the specifications are not obtained:
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Press the -> button.
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Press buttons -0- and -6- for function "End output" and confirm entry with the -Q- button.
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Switch off ignition.
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Evaluate display group 32.
If the specifications are obtained:
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Change to display group 33 as follows: