| Sender ECU | Receiver ECU | Signal | Line |
| Combination Meter Assembly | Power Back Door Unit Assembly (Power Back Door ECU) |
Vehicle speed signal | CAN |
| ECM | Power Back Door Unit Assembly (Power Back Door ECU) |
Shift position signal | CAN |
| Certification ECU (Smart Key ECU Assembly) | Power Back Door Unit Assembly (Power Back Door ECU) |
Door control transmitter signal | CAN |
| Power Back Door Unit Assembly (Power Back Door ECU) | Main Body ECU (Cowl Side Junction Block LH) |
Hazard warning light signal | CAN |
| Main Body ECU (Cowl Side Junction Block LH) | Power Back Door Unit Assembly (Power Back Door ECU) |
Power back door control switch signal | CAN |
