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Home >> Pontiac >> 2000 >> Firefly (CANADA) L3-1.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> Spark Advance Adjust Test Switch
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Spark Advance Adjust Test Switch

When the duty check data link connector Test Switch Terminal (terminal 5) is grounded the Spark Advance Adjust Test Switch parameter will display On. Grounding the duty check data link connector Test Switch Terminal causes the ignition timing to be fixed at the base setting.