Golf GLS L4-2.0L (AZG) (2001)
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VAG 1551 scan tool or or 1552 scan tool with cable VAG 1551/3
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Test box VAG 1598/31
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Hand multimeter VAG 1526 or multimeter VAG 1715
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Adapter set VAG 1594
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Wiring diagram
Check conditions
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Battery voltage must be at least 11.5 V.
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All fuses must be OK.
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Alternator OK, checking.
Test sequence
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Connect V.A.G 1551 scan tool ((VAG1552). Start engine and select "Address word" 01 of engine control module. When doing this the engine
must be running at idling speed. See: 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 keys 0 and 8 for the function "Read measuring value block" and confirm entry with Q key.
Indicated on display:
Read measuring value block
Input display group number XXX
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Press keys 0, 0 and 4 for "Display group number 4" and confirm entry with Q key.
Indicated on display: (1 to 4 = Display zones)
Read measuring value block 4
->
1
2
3
4
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Read off figure displayed in display zone 2.
Specification: At least 11.5 V
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Press the -> key.
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Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
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Switch off ignition.
If the specification is not attained:
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Remove wiper arms and cowl panel.