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Neutralizing Of ECM

The PCM (ECM) can be set to the "neutral" status by a tester.

A valid ignition key is inserted and after ignition on is recorded, the PCM (ECM) requests the vehicle specific data from the tester. The communication messages are described at "Neutral Mode" After successfully receiving the data, the PCM (ECM) is neutralized.

The ECM remains locked. Neither the limp home mode nor the "twice ignition on" function, is accepted by the PCM (ECM).

The teaching of keys follows the procedure described for the virgin PCM (ECM). The vehicle specific data have to be unchanged due to the unique programming of the transponder. If data should be changed, new keys with a virgin transponder are requested.

This function is for neutralizing the PCM (ECM) and Key. Ex) when lost key, Neutralize the PCM (ECM) then teach keys.

(Refer to the Things to do when Key & PIN Code the PCM (ECM) can be set to the "neutral" status by a scanner. If wrong vehicle specific data have been sent to SMATRA three times continuously or intermittently, the SMATRA will reject the request to enter neutral mode for one hour. Disconnecting the battery or other manipulation cannot reduce this time. After connecting the battery the timer starts again for one hour.

NOTE:
  • Neutralizing setting condition
    • In case of PCM (ECM) status "Learnt" regardless of user password "Virgin or Learnt"
    • Input correct PIN code by scanner.
    • Neutralizing meaning.

      : PIN code (6) & user password (4) deletion.

      : Locking of ECM (except key teaching permission)

  • Neutralizing meaning:
    • PIN Code (6) & User P/Word (4) deletion
    • Locking of EMS (except Key Learning permission)
Fig 1: Display - Immobilizer Screen (IMMO)
G09767389Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: Display - Neutral Mode Screen
G09767390Courtesy of KIA MOTORS AMERICA, INC.
Fig 3: Display - Pin Code And Press Button Screen
G09767391Courtesy of KIA MOTORS AMERICA, INC.
Fig 4: Display - Pin Code And Press OK Button Screen
G09767392Courtesy of KIA MOTORS AMERICA, INC.
Fig 5: Display - Pin Code And Press OK Button Screen
G09767393Courtesy of KIA MOTORS AMERICA, INC.
Fig 6: Display - Pin Code And Confirm OK/Cancel Button Screen
G09767394Courtesy of KIA MOTORS AMERICA, INC.
Fig 7: Display - Test Completed Screen
G09767395Courtesy of KIA MOTORS AMERICA, INC.
Fig 8: Display - Press OK Button Screen (After 10 Second)
G09767396Courtesy of KIA MOTORS AMERICA, INC.
Fig 9: Display - ECU Status Screen
G09767397Courtesy of KIA MOTORS AMERICA, INC.
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