System Inspection

Check Fuel Cap
1. Check fuel cap is firmly tightened.
2. Check damage or leakage of fuel cap.
3. Has a problem been found?
  YES
  - Repair or replace as necessary and then, Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Substitute with a known-good ECM/PCM and check for proper operation. If the problem is corrected, replace ECM/PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NOTE: There is a memory reset function on scan tool that can erase optional parts automatically detected and memorized by ECM/PCM.
  Before or after testing ECM/PCM on the vehicle, use this function to reuse the ECM/PCM.