DTC 01-DF Master Error: Description

DTC DETECTION CONDITION

DTC No.	DTC Detection Condition	Trouble Area
01-DF *	Device with display fails and master is switched to audio device. Also when communication error between sub-master (audio) and master occurs, this code is stored.	Multi-display power source circuit AVC-LAN circuit between multi-display and component which has stored this code Multi-display Component which has stored this code
HINT: *: When 210 seconds have elapsed after disconnecting the power supply connector of the master component with the power switch ON (ACC or IG), this code is stored.

NOTE:

Before starting troubleshooting, be sure to clear DTCs to erase codes stored due to the reasons described in the HINT above. Then, check for DTCs and troubleshoot according to the output DTCs.
The multi-display is the master unit.
Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.