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EQUIPMENT – Immobilizer System 7-5 DISPOSITION WHEN REPLACING IMMOBILIZER SYSTEM RELATED PARTS the MUT-II, the originally registered ignition key registration information will be lost. Engine-ECU Immobilizer-ECU Ignition key When replacing engine-ECU – Replacement required Replacement and re-registration are required. When rewriting engine-ECU – Replacement not required Replacement not required, re- registration not required ECU Replacement not re- quired – Replacement not required, regis- tration are required When adding ignition key newly Replacement not re- quired Replacement not required Register an additional ignition key and re-register all other ignition keys. When ignition key is lost Replacement not re- quired Replacement not required re-register all other ignition keys except the lost one. Power Encrypted code Transponder Ignition key Steering lock key cylinder and immobilizer-ECU MUT-II Engine-ECU Start of permis- sion signal Registration of ignition key Integrated immobilizer-ECU and antenna |