Optical Ignition System Checks (Except Pulsar NX Se): Summary

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to G - 4-CYL TESTS W/CODES, if available. If no codes are present, or vehicle does not have a self-diagnostic system, proceed to H - 4-CYL TESTS W/O CODES article for diagnosis by symptom (i.e. ROUGH IDLE, NO START, etc.).