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Home >> Cadillac >> 2000 >> Escalade V8-5.7L VIN R >> 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 on
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Ignition 1 on

(Yes/No)
The Ignition 1 On parameter indicates when the VCM is detecting Ignition voltage. The normal Ignition voltage is approximately 13.8 volts, but may vary between 11-16 volts. The VCM monitors the Ignition voltage to compensate for low voltage operation of the injectors and to increase the dwell time of the ignition coil.
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