DTC U1109: ETACS-ECU Time-out: Notes

Fig 1: Identifying Time-Out During CAN Communication With ETACS-ECU Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Locating Time-Out During CAN Communication With ETACS-ECU Connectors

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: If DTC U1109 is set in the combination meter, diagnose the CAN main bus line.

CAUTION: Whenever the ECU is replaced, ensure that the communication circuit is normal.