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Home >> Chevrolet >> 2000 >> Astro Van L AWD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Ignition 1 High
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Ignition 1 High

YES/NO: The scan tool indicates when high ignition voltage has been detected by the VCM. An excessively high ignition 1 voltage may damage electronics and electrical components. The normal ignition 1 voltage is approximately 13.8 volts, but may vary between 11-16 volts.
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