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Home >> Cadillac >> 1982 >> Seville 4.1L Eng VIN 8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> DFI Control System >> Diagnostic Procedure >> Output Cycling Tests Procedure
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Output Cycling Tests Procedure

  1. Enter diagnostics and with code ".7.0" displayed on ECC panel, depress "INSTANT/-AVERAGE" button on Fuel Data panel. If code ".9.5" does not appear, refer to switch test code ".7.8". Press "INSTANT/-AVERAGE" button while parameter ".1.3" of Engine Data Display appears.
  2. The output cycling test turns ECM's outputs on and off. To enter the output cycling tests, start engine. Turn engine off and within 2 seconds, turn ignition on. Enter diagnostics and display code ".9.5" on ECC panel. Depress accelerator pedal and release. Code ".9.6" should appear (if ".9.6" does not appear, refer to switch test ".7.2").
  3. Turn cruise instrument panel switch on. Cruise control outputs will cycle. Output cycling will end automatically after 2 minutes. Display will switch from code ".9.6" to ".9.5". Additional output cycling may be obtained by pressing and releasing the throttle switch.
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