Golf GTI L4-2.0L (ABA) (1997)
Oxygen Sensor: Testing and Inspection
Oxygen Sensor Heating Test: After Converter
Special Tools, Testers And Auxiliary Items
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VAG 1551/1552 Scan Tool With VAG 1551/3 Adapter Cable
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VAG 1598/18 Test Box
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Multimeter (Fluke 83 Or Equivalent)
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Connector Test Kit VW 1594
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Wiring Diagram
Test Conditions
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Fuse 180K
Test Sequence
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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 -8- to select "Read Measuring Value Block" function 08 and press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block HELP
Input display group number XXX
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Press buttons -1-, -2- and -1- to input display group 121 and press -Q- button to confirm input.
Indicated On Display (1-4 Display Fields)
Read Measuring Value Block 121-->
1 2 3 4
Display Group 121: Display Fields 1-4
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Check resistance value for O2S heating (after three way catalytic converter) (display field 3):
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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.