D439E Service Manual 5. Service Tool
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Freeze Frame Data
The FREEZE FRAME DATA displays the data values stored in the Engine Control Module at the point when
the first conformed DTC is detected.
< Figure 4: DTC Analysis & Freeze Frame>
Diagnostic Trouble Code
At this level, DIAGNOSTIC TROUBLE CODES (DTC) are Displayed based upon the concept that several
modules may support one DTC. Supporting module information is displayed in this mode.
< Figure 5: DTC Analysis>
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