FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test Enabling Conditions

A diagnostic test is a series of steps which has a beginning and an end. The result of which is a pass or fail reported to the Diagnostic Executive. When a diagnostic test reports a pass result, the Diagnostic Executive records the following data:

^ The diagnostic test has completed since the last ignition cycle

^ The diagnostic test has passed during the current ignition cycle

^ The fault identified by the diagnostic test is not currently active

When a diagnostic test reports a fail result, the Diagnostic Executive records the following data:

^ The diagnostic test has completed since the last ignition

^ The fault identified by the diagnostic test is currently active

^ The fault has been active during this ignition cycle

^ The operating conditions at the time of the failure