Inspection Procedure

PROBLEM VERIFICATION
1. Connect the hi-scan (pro) to data link connector.
2. Turn the ignition switch to ON and verify the DTC "P1677" is displayed.
3. Erase the DTC "P1677" with the hi-scan (pro) and then monitor again.
4. Is the same code displayed?
  NO
  - Problem is intermittent and ECM memory was not cleared.
  YES
  - Check if DTC "1677" is displayed again.
CHECK IF DTC "P1677" IS DISPLAYED AGAIN
1. Connect the hi-scan (pro) to data link connector.
2. Erase the DTC with the hi-scan (pro).
3. Check if DTC "P1677" is displayed again.
4. Is the same code displayed?
  NO
  - Problem is intermittent and ECM memory was not cleared.
  YES
  - If all the tests are OK, replace the ECM and recheck.
NOTE: After replacing the ECM, key teaching must be done.