Engine Controls - Tests W/Codes: Introduction
NOTE:
Monaco and Premier models are manufactured with either an early or late design. Only late design models are covered in this article. Late design models are equipped with DIS, with engine controller (SBEC) located next to battery. Service procedures for early design models, with engine code Z7X711, are the same as those found in 1990 articles.
If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES in BASIC TESTING , proceed with self-diagnostics. If no fault codes or only pass codes are present after entering self-diagnostics, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e. ROUGH IDLE, NO START, etc.).