Section 28 (Engine Control System - Self-Diagnostics): Summary
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
If no Diagnostic Trouble Codes (DTC) are present and a no-start condition exists, proceed to NO-START DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES - 1.8L VIBE article. If no DTCs are present and a driveability condition exists, proceed to TROUBLE SHOOTING - NO CODES - 1.8L VIBE article for diagnosis by symptom (i.e., ROUGH IDLE, ENGINE STALLS, etc.).