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DTC 013: A/C-Ecu Time-Out: Notes

WARNING: This page is about a different car, the 2004 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Time-out During CAN Communication With A/C-ECU
G00872257Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 2: Identifying Connectors
G00872258Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CAUTION: If DTC 013 is set in the multi-center display, always diagnose the CAN bus lines.
CAUTION: Whenever the ECU is replaced, ensure that the communication circuit is normal.