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Home >> Chevrolet >> 2001 >> Impala Base, 3.4 E >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> Notes
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Diagnostic Tests: Notes

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NOTE: Before clearing DTCs, perform powertrain diagnostic system check. See POWERTRAIN DIAGNOSTIC SYSTEM CHECK . Record FREEZE FRAME and FAILURE RECORDS for reference during testing. Data will be erased when DTCs are cleared.
NOTE: If PCM is replaced, Program replacement PCM using special manufacturer's equipment.
NOTE: For component locations and PCM connector terminal identification, see appropriate SYSTEM & COMPONENT TESTING article.