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Home >> Volvo >> 1992 >> 960 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Clearing Codes
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Clearing Codes

  1. Turn ignition on. Display fault codes. Operate test button for more than 5 seconds. Release test button. LED should light after 3 seconds. Press button again for more than 5 seconds. Release button. LED should be out.
  2. Ensure fault codes have been cleared by pressing test button once for more than one second (but not more than 3 seconds). Fault codes have been cleared if code 1-1-1 is displayed.
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