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Home >> Buick >> 1998 >> Skylark V6-3100 3.1L VIN M SFI >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> SDL Monitor >> REFERENCE SYNC

REFERENCE SYNC

The Reference Sync Function tells the Instrument Cluster if the engine is physically cranking.

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