service indicator AUDI A4 1998 B5 / 1.G AEB Engine OBD and DTC

Mode 5 shows the statistical value of the oxygen sensors as mandated by law. As these values have no direct bearing on
oxygen sensor diagnosis, Mode 5 is of no particular value in an Audi Service department.
Under Mode 6, values can be checked for components and systems that are not continuously monitored.
With Mode 7 all malfunctions can be checked, even if they have not switched on the Malfunction Indicator Lamp (MIL) (if
the MIL has not been switched on, there is no malfunction recognized under Mode 3)
Pa
ge 11 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
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