Checking Idle Speed for Passat Wagon L4-20L (ABA) (1995)
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Disconnect harness connector -1- from engine coolant temperature sensor -2-.
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Duty cycle must increase, then drop again to original value.
NOTE: Test can only be repeated after the DTC memory has been erased.
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Reconnect engine coolant temperature sensor connector.
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Press -> button.
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Press buttons -0- and -2- to select "Check DTC Memory" function 02.
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Press -Q- button to confirm input.
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Press -> button until all malfunctions still stored have been displayed.
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -5- to select "Erase DTC Memory" function 05.
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Press -Q- button to confirm input.
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Press -> button.
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Press buttons -0- and -6- to select 'End Output" function 06.
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Press -Q- button to confirm input.