Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv Starting. Lexus Is250, Is220D. Gse20 Ale20
Entry And Start System -- System Diagram |

Transmitting ECU (Transmitter) | Receiving ECU (Receiver) | Signal | Communication method |
ECM | Power source control ECU | Engine rotation signal | CAN/BEAN |
Meter ECU | Power source control ECU | Vehicle speed signal | BEAN/Local communication |
Steering lock ECU | Power source control ECU | Steering lock/unlock signal | LIN/Local communication |
Certification ECU | Power source control ECU | KEY ID matching result signal | LIN |
Power source control ECU | Certification ECU | ID required signal | LIN |
Key existence condition signal | BEAN |