Code No.U0245 Audio visual navigation unit CAN timeout
caution
If the diagnosis code No. U0245 is set to the ETACS-ECU, always diagnose the CAN bus line.
Before replacing the ECU, ensure that the communication circuit is normal.
DIAGNOSTIC FUNCTION
When the signals from CAN box unit (audio visual navigation unit) cannot be received, the ETACS-ECU sets the diagnosis code No. U0245.
JUDGEMENT CRITERIA
After the following statuses continue to be true for 5 seconds, if the communication with the CAN box unit (audio visual navigation unit) be established for 2,500 ms or more, the ETACS-ECU determines that a problem has occurred.
No abnormality is present to the network.
Ignition switch is in the ON position.
No abnormality is present to the power supply fuse (IOD fuse), or the odometer value is at 80.5 km or more.