Circuit/System Description
The camshaft position actuator solenoid valve - Intake and camshaft position
actuator solenoid valve -
exhaust system enables the engine control module (ECM) to change cams
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
sy
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Automatic
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.
DTC Descriptor
DT