Power switch
- Transponder key amplifier
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- Turns on the power and starts the hybrid control system.
- Contains a built-in transponder key amplifier to start the hybrid control system when the electrical key transmitter sub-assembly does not operate properly due to a depleted transmitter battery or wave interference.
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| Certification ECU (smart key ECU assembly) |
- Changes the power source mode in 4 stages (off, on (ACC), on (IG), on (READY)) in accordance with the shift state and stop light switch.
- Controls the push-button start function in accordance with signals received from switches and ECUs.
- The certification ECU (smart key ECU assembly) permit starting of the hybrid control system after receiving an unlock signal from the steering lock actuator assembly (steering lock ECU).
- Performs key verification.
- Controls the electrical key antenna (outside), electrical key antenna (indoor) and door lock/unlock sensor.
- Outputs smart entry door lock/unlock commands.
- Outputs steering lock actuator assembly lock/unlock command signals.
- Outputs immobiliser set/unset commands.
- Forms the smart access system with push-button start detection area.
- Records codes for smart verification.
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| ID code box (immobiliser code ECU) |
- Receives command signals from the certification ECU and outputs immobiliser set and unset command signals to the certification ECU (Smart key ECU assembly).
- Records codes for smart verification.
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| Steering lock ECU (steering lock actuator assembly) |
- Receives command signals from the certification ECU (smart key ECU assembly) and activates the steering lock actuator assembly.
- Records codes for smart verification.
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| Combination meter assembly |
- Operates various warnings (messages on the multi-information display, sounding of the buzzer in the combination meter), according to the command signals from the certification ECU (smart key ECU assembly).
- Displays information when the smart access system with push-button start has a malfunction.
- Outputs a vehicle speed signal to the main body ECU (multiplex network body ECU).
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| IG, ACC relay |
Turns on/off according to the certification ECU (Smart key ECU assembly) and provides power to each system. |
| Stop light switch assembly |
Detects that the brake pedal has been depressed (switch is on) and outputs a signal to the certification ECU (Smart key ECU assembly). |
No. 1 indoor electrical key antenna assembly (front floor)
No. 1 indoor electrical key antenna assembly (rear floor) |
Sends the request code from the certification ECU (smart key ECU assembly) and forms the vehicle interior detection area. |
| Door control receiver |
Receives the smart access system with push-button start code/wireless code sent from the electrical key transmitter sub-assembly and sends it to the certification ECU (smart key ECU assembly). |
| Electrical key transmitter sub-assembly |
Sends the ID code upon receiving a request signal. |