DTC Logic

DTC

Display contents of CONSULT

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 front display unit and AV control unit are malfunctioning.

Front display unit power supply and ground circuits.
Serial communication circuits between front display unit and AV control unit.