Engine Controls - Basic Testing: Summary

If no faults were found while performing BASIC TESTING, proceed to appropriate article listed below:

• TESTS W/CODES Paseo
• TESTS W/CODES Tercel

If no hard diagnostic trouble codes are found in self-diagnostics, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.