NOTE: This is GENERAL information. This article is not intended to be
specific
to any unique situation or individual vehicle configuration. For modelspecific
information see appropriate articles wher
NOTE: This is GENERAL information. This article is not intended to be
specific
to any unique situation or individual vehicle configuration. For modelspecific
information see appropriate articles wher
The Engine Control Module (ECM) interacts with many emission related
components and systems, and
monitors emission related components and systems for deterioration. OBD II
diagnostics monitor the
system performance and a diagnostic trouble code (DTC) sets if the system
performance degrades. The
E
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
Diagnostic Fault