Golf L4-2.0L (ABA) (1996)
Oxygen Sensor: Testing and Inspection
Oxygen Sensor Aging Test: Before Converter
Special Tools, Testers And Auxiliary Items
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VAG 1551/1552 Scan Tool With VAG 1551/3 Adapter Cable
Test Conditions
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Coolant Temperature At Least 80°C (176°F) Functional Check
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Engine Running At Idle
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Connect VAG 1551/1552 Scan Tool And Select "Engine Electronics" Address Word 01.
Indicated On Display
Rapid data transfer HELP
Select function XX
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Press buttons -0- and -4- to select "Basic Setting" function 04 and press -Q- button to confirm input.
Indicated On Display
Basic Setting HELP
Input display group number XXX
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Press buttons -1-, -3- and -0- to input display group 130 and press -Q- button to confirm input.
Indicated On Display (14 = Display Fields)
System in Basic Setting 130-->
1 2 3 4
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Increase engine speed to 2200-2800 RPM and check the specifications for O2S aging (before three way catalytic convertor) (display field 1-4).
NOTE: During the test, engine RPM must be held for at least 1 minute so that exhaust gas temperature is within specification range. Observe O2S
control status in display field 4.
Display Group 130: Display Fields 1-4
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Press -C- button.
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Press buttons -1-, -3- and -1- to input display group 131 and press -Q- button to confirm input.
Indicated On Display (1-4 = Display Fields)
Systems is Basic Setting 131-->
1 2 3 4
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Run engine at idle speed and check specifications.