Jetta L4-2.0L (AEG) (2000)
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VAG 1788/10 engine speed adjuster
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VAG 1551 Scan Tool (ST) or VAG 1552 mobile scan tool with VAG 1551/3 adapter cable
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VAG 1598/22 test box
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Multimeter (Fluke 83 or equivalent)
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VW1594 adapter set
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Wiring diagram
Test requirements
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Fuse 43 OK
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Exhaust system between Three Way Catalytic Converter (TWC) and cylinder head free of leaks
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Coolant temperature at least 85 °C. See display group 04, display field 3
Functional check
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Press buttons -0- and -1- to insert "Engine Electronics" address word 01. When performing this step, engine must be running at idle (connecting
scan tool and selecting engine electronics control module. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting
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
Input display group number