Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141
Smart Key System (For Start Function) -- System Diagram |
| Transmitting ECU (Transmitter) | Receiving ECU (Receiver) | Signal | Communication Method |
| Combination meter | Main body ECU (instrument panel junction block) | Vehicle speed signal | CAN/Local communication |
| Steering lock ECU | Main body ECU (instrument panel junction block) | Steering lock/unlock signal | LIN/Local communication |
| ECM | Main body ECU (instrument panel junction block) | Starter signal | CAN |
| Shift position signal | |||
| Engine revolution speed signal | CAN/Local communication | ||
| Main body ECU (instrument panel junction block) | Certification ECU (smart key ECU assembly) | Engine switch position signal | CAN |
| Courtesy light switch signal | |||
| Wireless door lock buzzer request signal | |||
| Certification ECU (smart key ECU assembly) | Main body ECU (instrument panel junction block) | Illumination light request signal | CAN |
| Certification ECU (smart key ECU assembly) | Main body ECU (instrument panel junction block) | Light answer back signal | CAN |
| Certification ECU (smart key ECU assembly) | Combination meter | Meter buzzer single-shot request signal | CAN |
| Meter buzzer intermittence request signal | |||
| Meter buzzer continuation request signal | |||
| Door open display signal | |||
| Key loss warning signal | |||
| Low key battery warning signal | |||
| Shift position warning signal | |||
| Steering lock abnormal warning | |||
| Steering lock unlock warning | |||
| Combination meter | Certification ECU (smart key ECU assembly) / Main body ECU (instrument panel junction block) | Vehicle speed signal | CAN |
| Certification ECU (smart key ECU assembly) | Main body ECU (instrument panel junction block) | Key ID matching request signal | LIN |
| Main body ECU (instrument panel junction block) | Certification ECU (smart key ECU assembly) | ID required signal | LIN |