CHECK DCL Light (Continental), CHECK ENGINE Light Or Malfunction Indicator Light (MIL)

Turn ignition on. Connect a jumper wire between Self-Test Input (STI) pigtail and signal return terminal of self-test connector. Go to KOEO SELF-TEST  .

Fig 1: Fault Diagnosis Flow Chart (EEC-IV)

Courtesy of FORD MOTOR CO.

Fig 2: Connecting Self-Test Connector Equipment

Courtesy of FORD MOTOR CO.