DTC B2785: Communication Malfunction between ECUs Connected by LIN: Description
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The smart key system uses the LIN communication line for communication. LIN communication sends and receives signals by serial communication, and connects with CAN and multiplex communication via the gateway ECU.
The LIN communication bus directly uses battery power. It consists of a single wire which only uses the transceiver and pull-up resistance of the open-collector.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2785 | If the certification ECU detects that transmission and reception on the LIN communication line are impossible for a certain period of time, this DTC is stored. |
|