Golf GLS L4-2.0L (AZG) (2001)
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, 3 and 0 for the "Display group number 30" and confirm entry with Q key.
If the specification is not obtained:
Indicated on display: (1 to 2 = Display zones)
Read measuring value block 30
->
1
2
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Check Oxygen sensor control status after catalyst (display zone 2):
Specification: 1 1 0
NOTE:
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The first position of the 3 digit number block fluctuates between 0 and 1 (Oxygen sensor heating on and off).
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The third position of the 3 digit number block will be set to 1 only at increased exhaust temperature and part load.
Significance of 3 digit number block in display zone 1:
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Check Oxygen sensor heating after catalyst
If the specification is obtained:
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Press C key.
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Press keys 0, 3 and 6 for "Display group number 36" and confirm entry with Q key.
Indicated on display: (1 to 2 = Display zones)
Read measuring value block 36
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