Engine Controls - Self-Diagnostics - Convertible: Introduction

Perform all steps in BASIC DIAGNOSTICS PROCEDURES - CARS article. If no fault is found while performing basic diagnostic procedures, proceed with self-diagnostics. If no Diagnostic Trouble Codes (DTC) are present after entering self-diagnostics, perform TEST NTC-1: NO TROUBLE CODE TEST MENU  located after DTC tests under DIAGNOSTIC TESTS for engine diagnosis. If after performing TEST NTC-1, problem is not identified and repaired, proceed to TROUBLE SHOOTING - NO CODES - GASOLINE article for diagnosis by symptom.