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Home >> Chevrolet >> 2002 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System Self-Diagnostics - 3.4L) >> Self-Diagnostic System >> Diagnostic System Check - Engine Controls >> Notes
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Diagnostic System Check - Engine Controls: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE: Check for applicable Technical Service Bulletins (TSB) before proceeding. DO NOT perform the following procedure if driveability conditions are not present. DO NOT turn ignition off during the following procedure or clear DTCs unless instructed to do so.