DTC 01-DF Master Error: Description

DTC DETECTION CONDITION CHART

DTC Code	DTC Detection Condition	Trouble Area
01-DF*	When either condition below is met Device with a display fails and master is switched to the audio device Communication error between sub-master (radio receiver) and master occurs	Multi-display power source circuit AVC-LAN circuit between multi-display and component which has stored this code AVC-LAN circuit between multi-display and radio receiver 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 reason 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.