Begin the system diagnosis with the
Diagnostic System Check - Engine Controls
. The Diagnostic
System Check - Engine Controls will provide the following information:
• | The identification of the control modules which command the system |
• | The ability of the control modules to communicate through the serial data
circuit |
• | The identification of any stored DTCs and codes' statuses |
The use of the Diagnostic System Check - Engine Controls
will identify the correct procedure for diagnosing the system and where the procedure
is located.