Component Inspection

Check ECM
1. Ignition "ON" & Engine "OFF".
2. Perform Key Teaching Procedure
3. Is the Key teaching completed?
  YES
  - Thoroughly 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:
  1. Don't forget to prepare for the PIN of the vehicle before removing ECM from the vehicle.
  2. Remember that substituting with a known-good ECM should be followed "The things to remember before repair (1) " in "Reference Data in General Information".
    (In case of faulty ECM, it has to be replaced with "VIRGIN" or "NEUTRAL" ECM.)