SMART ENTRY AND START SYSTEM SYSTEM DIAGRAM
| Transmitting ECU (Transmitter) |
Receiving ECU (Receiver) |
Signal | Communication method |
|---|---|---|---|
| Combination meter | Main body ECU | Vehicle speed signal | CAN/Local communication |
| Steering lock ECU | Main body ECU | Steering lock/unlock signal | LIN/Local communication |
| ECM | Main body ECU | Starter signal | CAN |
| Shift position signal | |||
| Engine revolution speed signal | CAN/Local communication | ||
| Main body ECU | 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 | Illumination light request signal | CAN |
| Light answer back signal | |||
| Certification ECU (Smart key ECU assembly) | Combination meter | Meter buzzer single-tone 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 | Vehicle speed signal | CAN |
| Certification ECU (Smart key ECU assembly) | Main body ECU | Key ID matching request signal | LIN |
| Main body ECU | Certification ECU (Smart key ECU assembly) | ID required signal | LIN |
| ID code box (Immobiliser code ECU) | Certification ECU (Smart key ECU assembly) | Matching request random number signal | LIN |
| EEPROM access malfunction | |||
| Model code matching signal | |||
| Model code mismatching signal | |||
| ECM code receiving status | |||
| Engine start permission request signal | |||
| Engine start permission response signal | |||
| S code matching result signal | |||
| S code registration status signal | |||
| S code registration mode signal | |||
| L code matching result signal | |||
| ECM communication signal | |||
| Registered key number response signal | |||
| Diagnosis mode switching signal | |||
| Registered key number signal | |||
| Certification ECU (Smart key ECU assembly) | ID code box (Immobiliser code ECU) | 3 bit code request signal | LIN |
| ID code matching result signal | |||
| Registered key number signal | |||
| Vehicle type handle signal | |||
| Certification ECU (Smart key ECU assembly) | ID code box (Immobiliser code ECU) Steering lock ECU |
L code registration mode signal | LIN |
| Diagnosis mode request signal | |||
| DTC clear request signal | |||
| L code registration status signal | |||
| Steering lock ECU | Certification ECU (Smart key ECU assembly) ID code box (Immobiliser code ECU) |
Steering lock request signal | LIN |
| Steering unlock signal | |||
| Steering lock confirmation signal | |||
| Steering unlock confirmation signal | |||
| Diagnosis response signal | |||
| Steering unlock drive relay signal | |||
| Steering lock drive relay signal | |||
| Steering lock motor operation signal | |||
| Main body ECU | Certification ECU (Smart key ECU assembly) | Shift position P signal | LIN |
| Power ON operation status signal | |||
| Engine starting status signal | |||
| ACC relay operating status signal | |||
| IG relay operating status signal | |||
| Main body ECU | Steering lock ECU | Steering lock relay power supply status signal | LIN |
| Steering lock ECU | Certification ECU (Smart key ECU assembly) Main body ECU |
Steering lock catching malfunction signal | LIN |
| Push button start malfunction signal | |||
| Engine operation signal |