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Home >> Infiniti >> 1999 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Introduction >> Self-Diagnostic System >> Retrieving Codes Using Generic Scan Tool (GST) >> Mode 2: Freeze Frame Data
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Mode 2: Freeze Frame Data

This mode gains access to emission-related data value information stored by PCM during the freeze frame portion of self-diagnostic mode during engine operation and may or may not store a Diagnostic Trouble Code (DTC). In this mode, MIL should be off, unless a DTC is present.

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