Section 11 (Tests W/Codes): Introduction

WARNING: This page is about a different car, the 1989 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Federal model of Corolla (4A-F) are not equipped with a self-diagnostic system.

If no faults were found while performing BASIC TESTING , proceed with ENTERING TESTS W/CODES . If no trouble codes or only pass codes are present, proceed to TESTS W/O CODES for diagnosis by symptom (i.e. ROUGH IDLE, NO START, etc.).