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No.4 Changing the Method for Registering Additional Keys: Procedure

  1. Using any key, turn the ignition switch to the ON position. (Either a valid or an unregistered key can be used.)
    NOTE:
    • When using an unregistered key, although the security light flashes and DTC 15 is displayed, this does not indicate an improper procedure. Continue to perform the procedure as indicated.
  2. Connect the M-MDS to the DLC-2.
  3. Select "Body/Security/PATS function" from the M-MDS screen menu.
  4. Perform security access as indicated on the M-MDS screen. (See NO.6 SECURITY ACCESS PROCEDURE .)
  5. Select either "Customer Spare Key Programming Enable" or "Customer Spare Key Programming Disable" from the M-MDS screen menu. Depending on the selected menu, the additional key registration method is as shown below:
    ADDITIONAL KEY REGISTRATION METHOD

    Setting Additional key registration method
    Procedure using two valid keys Procedure using the M-MDS
    Customer spare key programming enable x x
    Customer spare key programming disable - x
    x: Procedure is possible
    -: Procedure is not possible
  6. After verifying that the PATS function menu is displayed again on the M-MDS screen, select "Exit" to complete the M-MDS function.
  7. After Step 6, wait 10 s or more  and then turn the ignition switch to the LOCK position.