Check CAN Bus Line for Short to +B (TO 12/2010): 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.

There may be a short circuit between the CAN bus line and +B when there is resistance between terminals 6 (CANH) and 16 (BAT), or terminals 14 (CANL) and 16 (BAT), of the DLC3.

Symptom	Suspected Area
There is resistance between terminals 6 (CANH) and 16 (BAT), or terminals 14 (CANL) and 16 (BAT), of the DLC3.	Short to +B Navigation ECU*1 Skid control ECU Steering angle sensor Yaw rate sensor ECM Network gateway ECU Junction connector (CAN J/C)

*1: w/ Navigation system