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System Check

  1. Connect the HDS to the data link connector.
  2. Turn the ignition switch ON (II)
  3. Monitor the System Check in the Immobilizer Info with the HDS.
  4. If the HDS displays the "Immobilizer system is normal", the immobilizer system is OK. If the HDS displays any other messages, check as follows:
    IMMOBILIZER SYSTEM CHECKING REFERENCE

    Status Log No. System Check Possible Failures
    A-1 Immobilizer system is not normal
    • This key is not registered in the immobilizer receiver unit. Try to register keys by using "KEYS".
    • The communication was not good between the antenna and the immobilizer key by influence of metal such as key chains.
    • The communication was not good between the antenna and the immobilizer key by battery voltage low.
    A-2 Immobilizer system is not normal
    • Intermittent interruption between transponder and immobilizer receiver unit.
    • The immobilizer key type is different. It is not for this vehicle but for another one or for other company's one.
    • Key failure (transponder failure)
    • The communication was not good between the antenna and the immobilizer key by influence of metal such as key chains.
    • The communication was not good between the antenna and the immobilizer key by battery voltage low
    A-3 Immobilizer system is not normal
    • battery voltage low. The ignition switch was turned on with a non-immobilizer key.
    • The immobilizer key type is different. It is not for this vehicle but for another one or for other company's one.
    • Key failure (transponder failure)
    • The communication was not good between the antenna and the immobilizer key by influence of metal such as key chains.
    • The communication was not good between the antenna and the immobilizer key by battery voltage low.
    • Immobilizer receiver unit failure
    B-1 Immobilizer system is not normal
    • The ECM was not registered. Try to register the ECM by using "REPLACE ECM".
    • The communication was not good between the ECM and the immobilizer receiver unit by battery voltage low.
    • The communication was not good between the immobilizer receiver unit and the ECM by influence of some noise.
    B-2 Immobilizer system is not normal
    • The ECM was not registered. Try to register the ECM by using "REPLACE ECM".
    • The communication was not good between the ECM and the immobilizer receiver unit by battery voltage low.
    • The communication was not good between the immobilizer receiver unit and the ECM by influence of some noise.
    D-1 Immobilizer system is not normal
    • Harness short from the ECM to the immobilizer receiver unit. (S-net line short)
    • The communication was not good between the ECM and the immobilizer receiver unit by battery voltage low.
    • The communication was not good between the immobilizer receiver unit and the ECM by influence of some noise.
    • Immobilizer receiver unit failure
    • ECM failure
    D-3 Immobilizer system is not normal
    • Blown fuse
    • Harness open from the ECM to the immobilizer receiver unit.
    • The communication was not good between the ECM and the immobilizer receiver unit by battery voltage low.
    • The communication was not good between the immobilizer receiver unit and the ECM by influence of some noise.
    • Immobilizer receiver unit failure
    • ECM failure
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