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2001
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Lumina V6-3.1L VIN J
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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EVAP Canister Purge
EVAP Canister Purge
Scan Tool Displays
0 percent
to
100 percent
Represents the
PCM
commanded PWM duty cycle of the
EVAP
Purge valve.
0 percent
displayed indicates no purge;
100 percent
displayed indicates full purge.