Check transponder and ECU status
IGN "ON" & Engine "OFF" with key intended to register
Monitor the ""ECM,KEY and Smartra STATUS' Parameter on the Scantool.
Specification : 'LEARNT'
Fig 1) This data show that 3 keys have been taught, ECU has been learnt, Key in key cylinder has been learnt and SMARTRA3 has been learnt.
Are "KEY STATUS", "SMARTRA STATUS" and "ECU STATUS' Parameter within specifications?
![]() | ▶ 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. |
![]() | ▶ Go to "Check Transponder" procedure. |
Check transponder
IGN "ON" & Engine "OFF"
Neutralize ECM and Register transponder key by scantool.
Pin code is requied to Neutralize ECM and to Register transponder key
Are Neutralizing and Registering completed normally ?
![]() | ▶ 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. |
![]() | ▶ Substitute with a known-good transponder and perform key teaching procedure with scanner. If the problem is corrected, replace transponder and then go to "Verification of Vehicle Repair" procedure. |