Self-Diagnostic System: Summary
If no Diagnostic Trouble Code (DTC) is present but driveability problem still exists, proceed to FORD AX4S article for symptom diagnosis procedures.
NOTE:
CIRCUIT TESTS and PINPOINT TESTS are diagnostic formats used to test and service EEC-V system. QUICK TEST allows technician to identify problems and retrieve service codes. CIRCUIT TESTS check engine circuits, sensors and actuators. PINPOINT TESTS check transaxle circuits, sensors, solenoids and actuators.