DTC Logic

DTC LOGIC TABLE

DTC	Display contents of CONSULT-III	DTC Detection Condition	Possible causes
U1243	FRONT DISP CONN [U1243]	When either one of the following items is detected: front display unit power supply and ground circuits are malfunctioning. serial communication circuits between AV control unit and front display unit are malfunctioning. serial communication signal between AV control unit and front display unit is malfunctioning.	Front display unit power supply and ground circuits. Serial communication circuits between AV control unit and front display unit.