| Certification ECU (Smart Key ECU Assembly) |
- The ID code of the key the user is carrying is sent to the electrical key antenna.
- The certification ECU (smart key ECU assembly) compares the key ID code it receives from the electrical key antenna with its own ID code. If they match, the certification ECU (smart key ECU assembly) permits the steering lock ECU (steering lock actuator or UPR bracket assembly) to turn the power on, start the engine and unlock and lock the steering.
- Outputs a command to supply power to the steering lock motor based on the power source mode, shift position and vehicle speed signal.
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