Component Inspection

Check ECM
1. IGN "ON" & Engine "OFF"
2. Neutralize ECM and Register transponder key by scantool.
  NOTE: Pin code is required to Neutralize ECM and to Register transponder key
3. Are Neutralizing and Registering completed normally?
  YES
  - Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Substitute with a known-good ECM and perform the key teaching procedure.
    If the problem is corrected, replace transponder and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NOTE: ECM substituted for old one must be in "Virgin" or "Neutral" status and Pin code is required to Neutralize ECM and to Register transponder key