Diagnostic Tests: Notes

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NOTE: To diagnose all other input and output devices not included in the following diagnostic tests, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

NOTE: Diagnostic tests are diagnostic procedures used to test and service EEC-V system. For engine-related DTCs, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. RETRIEVING DIAGNOSTIC TROUBLE CODES (QUICK TEST) allows technician to identify problems and retrieve service DTCs. Diagnostic tests check transmission circuits, sensors and actuators.

NOTE: Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure.

Procedures in diagnostic tests are written for use with following Ford Motor Co. test equipment:

Worldwide Diagnostic System (WDS) Scan Tool (418-F224) or New Generation Star (NGS) tester (418-F052) or equivalent.
104-Pin Breakout Box (014-00950)
Transmission Tester (007-00130)