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
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
Engine Coolant Indicators
The instrument panel cluster (IPC) shows the engine temperature on the
temperature gauge. The
value is sent on the data communication line from engine control module (ECM).
When the coolant
temperature is more than 128ºC (262ºF) IPC receives a discrete input f