Engine Controls - Tests W/Codes - 1.8L 4-CYL: Introduction
NOTE:
Only those descriptions provided by manufacturer are included in this article.
If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed with self-diagnostics. If no fault codes or only pass codes are present after entering self-diagnostics, proceed to TESTS W/O CODES - 1.8L 4-CYL article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).
NOTE:
All voltage tests should be performed with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless specifically stated otherwise in testing procedures.