D439E Service Manual 5. Service Tool
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Readiness Test
The type and result of the READINESS TESTS supported by more than one MODULE within the vehicle will
be displayed. The number of DTCs present and the MIL status will also be displayed.
<Figure 2: DTC & Readiness Test>
Current Data
The CURRENT DATA MODE allows for sensor values and switch states to be displayed, based upon the
concept that one item may be supported by several modules. Supporting module information is displayed in
this mode.
< Figure 3: DTC & Current Data>
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