Component Inspection
- Check transponder and ECU status
- IGN "ON" & Engine "OFF"
- Monitor the "KEY STATUS" and "ECU STATUS' Parameter on the Scan tool.
Specification: 'LEARNT'
- Are "KEY STATUS" and "ECU STATUS' Parameter within specifications?
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 : Go to step 2.
- Check ECM
- IGN "ON" & Engine "OFF"
- Neutralize ECM and Register transponder key by scan tool.NOTE: Pin code is required to Neutralize ECM and to Register transponder key
- 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 check for proper operation.
If the problem is corrected, replace ECM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NOTE: ECM substitute for old one must be in "Virgin" or "Neutral" status and Pin code is required to Neutralize ECM and to Register transponder key