W/Harness Inspection

U0101 Lost Communication With TCM

Inspection/Repair - W/Harness Inspection

Signal Circuit Inspection

Check CAN communication line Open
1. Disconnect the connectors related to the CAN communication.
2. Ignition "ON" & Engine "OFF".
3. Measure resistance between High signal terminal of PCM and TCM.
4. Measure resistance between Low signal terminal of PCM and TCM.

Specification : Approx. 0 Ohms




5. Is voltage within the specification?