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Home >> Cadillac >> 1999 >> Catera V6-3.0L VIN R >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> EVAP Canister Purge
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EVAP Canister Purge

RANGE (0-100 PERCENT)
The ECM controls the [1][2]EVAP Purge valve by using the Pulse Width Modulation (PWM). The display is the commanded pulse width (duty cycle) of the control circuit.
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