Section 17 (Engine Controls - Basic Diagnostic Procedures - 4-Cylinder): Summary
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2001 Toyota Tacoma, 2001 Toyota RAV4, 2001 Toyota Prius, 2001 Toyota MR2, and 2001 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to appropriate SELF-DIAGNOSTICS article. If no hard diagnostic trouble codes are found in self-diagnostics, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.