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.
- On receiving a parking lock mechanism unlock completion signal from the hybrid vehicle control ECU, permits the hybrid control system to start.
- Performs key verification.
- Controls each electrical key antenna (outside), electrical key antenna (indoor) and door lock/unlock sensor.
- Outputs parking lock mechanism lock/unlock command signals.
- Outputs immobilizer set/unset commands.
- Forms the smart key system detection area.
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| ID code box (immobilizer code ECU) |
- Receives command signals from the certification ECU (smart key ECU assembly) and outputs immobilizer set and unset command signals to hybrid vehicle control ECU.
- Records codes for smart verification.
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| Hybrid vehicle control ECU |
- Receives command signals from the certification ECU (smart key ECU assembly) and activates the parking lock mechanism.
- Records codes for smart verification.
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| Combination meter assembly |
- Displays various warnings (messages on the main display or multi-information display) according to the command signals from the certification ECU (smart key ECU assembly).
- Outputs a vehicle speed signal to the ECUs.
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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 when the brake pedal is 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. 2 indoor electrical key antenna assembly (rear floor)
- No. 3 indoor electrical key antenna assembly (inside luggage compartment)
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Sends the request code from the certification ECU (smart key ECU assembly) and forms the vehicle interior detection area. |
| Electrical key transmitter sub-assembly |
Sends an ID code upon receiving a request signal. |