Diagnosis & Testing: Summary
If no DTCs are present but driveability concern still exists, see SYMPTOM DIAGNOSIS under TROUBLE SHOOTING in FORD AX4N OVERHAUL article.
NOTE:
SYSTEM TESTS are diagnostic formats used to test and service EEC-V system. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. QUICK TEST allows technician to identify concerns and retrieve service codes. SYSTEM TESTS check transaxle circuits, sensors, solenoids and actuators.