| *1 | Local Bus (Models with Lexus Dynamic Handling System) |
| *2 | Front Steering Control ECU |
| *3 | Rear Steering Control ECU |
| *4 | CAN main bus line |
| *1 | Local Bus (Models with 12.3-inch display) |
| *2 | Accessory Meter Assembly |
| *3 | Remote Touch |
| *4 | CAN main bus line |
| *1 | Local Bus (Models with AHS without pre-crash safety system) |
| *2 | Headlight Light Control ECU Assembly LH |
| *3 | Headlight Light Control ECU Assembly RH |
| *4 | CAN main bus line |
| *1 | Local Bus (Models with Blind Spot Monitor System) |
| *2 | Blind Spot Monitor Sensor RH |
| *3 | Blind Spot Monitor Sensor LH |
| *4 | CAN main bus line |