Performing Self-Test

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.

Retrieve any available freeze frame data prior to self-test. See FREEZE FRAME DATA MODE under ADDITIONAL SYSTEM FUNCTIONS in appropriate SELF-DIAGNOSTICS article under ENGINE PERFORMANCE. To perform self-test, turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tool using the following steps:

Select VEHICLE & ENGINE SELECTION menu.
Select NEW VEHICLE, YEAR & MODEL.
Select DIAGNOSTIC DATA LINK.
Select POWERTRAIN CONTROL MODULE.
Select DIAGNOSTIC TEST MODE.
Select RETRIEVE/CLEAR CONTINUOUS DTCs.
Turn ignition switch to ON position.
Follow operating instructions from scan tool menu.
Record DTCs and perform appropriate system test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . After continuous memory self-test is complete, cycle ignition switch before performing other self-tests or driving vehicle.