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SECURITY AND LOCKS [KEYLESS ENTRY SYSTEM] 09–14B–7 09–14B Immobilizer System Release Operation The ignition switch is turned from the LOCK (ACC) to the (1) The instrument cluster sends data A* to the key (3) The instrument cluster verifies consistency between the (4) The instrument cluster makes a calculation using received (5) The instrument cluster requests data for verification (6) The PCM sends data C* to the instrument cluster. (7) The instrument cluster calculates data D from received (8) The PCM makes a calculation using received data D Engine starting is permitted. Engine starting is not permitted. (2) The key (transponder) calculates data B from received *: Data A and C are different random values each time. UNSATISFACTORY RESULT UNSATISFACTORY RESULT UNSATISFACTORY RESULT SATISFACTORY RESULT SATISFACTORY RESULT SATISFACTORY RESULT (5), (7) (6) (2) (1) (3), (4) (8) (7) KEY (TRANSPONDER) COIL ANTENNA PCM INSTRUMENT CLUSTER B3E0914T005 |