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Home >> GMC >> 1999 >> Yukon Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls - Self-Diagnostics - 4.3L) >> Drive Cycles >> Inspection/Maintenance Complete System Set Procedure >> Description
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Inspection/Maintenance Complete System Set Procedure: Description

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The purpose of the I/M Complete System Set Procedure is to satisfy the enable criteria necessary to execute all of the I/M readiness diagnostics, and complete the trips for those particular diagnostics. When all diagnostic tests are complete, the I/M System Status indicators are set to YES. Perform this test when more than one or all of the I/M System Status indicators are set to NO.

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