Self-Diagnostic System: Notes
WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
All diagnostic tests are written specifically for New Generation Star (NGS) tester. Most generic OBD-II compliant scan tools should be able to perform all test procedures.
NOTE:
On vehicles with California emission, Malfunction Indicator Light (MIL) will illuminate if lower generator circuit has 12 volts when PCM has commanded it off for 2 consecutive drive cycles.