DTC U1110: A/C-ECU Time-Out: Notes
CAUTION:
- If DTC U1110 is set in the ETACS-ECU, always diagnose the CAN main bus line.
- Whenever the ECU is replaced, ensure that the communication circuit is normal.
NOTE:
When the DTC relating to the CAN communication error are output, make sure of the vehicle equipment. When the vehicle is not equipped with the system the ETACS-ECU communicates to, the DTC is always output. This is not abnormal.