Transponder Lock Check

Follow the procedure below to judge if the ignition key can be overwritten (i.e. the ignition key is correct) or not.

1. Connect scan tool MB991502 to data link connector (16 pin).
2. Turn the ignition switch to "ON" position.
   Fig 1: Connecting Scan Tool To Data Link Connector

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3. At "System Select," press "YES."
   Fig 2: Identifying System Select Display On Scan Tool Screen

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4. Select "Immobilizer," press "YES".
   Fig 3: Identifying Immobilizer Display On Scan Tool Screen

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5. Select "Date list" press "YES".
   Fig 4: Identifying Data List Display On Scan Tool Screen

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6. Confirm "TP LOCK CHECK."
   Fig 5: TP Lock Check Reference Table

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   Fig 6: Identifying TP LOCK CHECK Display On Scan Tool Screen

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