Engine Controls - Self-Diagnostics: Introduction: Notes

NOTE: The CHECK ENGINE light is also referred to as Malfunction Indicator Light (MIL). The MIL is displayed in instrument cluster as CHECK ENGINE.

NOTE: Before performing testing procedures, check for any related Technical Service Bulletins (TSBs).

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed with self-diagnostics. If no Diagnostic Trouble Codes (DTCs) are present after entering self-diagnostics, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptoms.