W/Harness Inspection

ESP (CTC)
C1616 CAN Communication Bus Off - W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness(es) and terminal condition. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?






CAN Communication line Inspection

Check CAN communication line
1. IG "OFF"
2. Disconnect ECM/ECS ECU/TCM/EPB ECU connector and HECU connector.
3. Measure resistance between CAN-High terminal of ECM/ECS ECU/TCM/EPB ECU harness connector and CAN-High terminal of HECU harness connector.
4. Measure resistance between CAN-Low terminal of ECM/ECS ECU/TCM/EPB ECU harness connector and CAN-Low terminal of HECU harness connector.

Specification : Below approx. 1 Ohms








5. Is the measured value within specification?