Operation CHARM: Car repair manuals for everyone.

W/Harness Inspection





Lane Departure Warning System
C1616 CAN 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/HECU/EPB ECU/Cluster ECU connector and LDWS ECU connector.
3. Measure resistance between CAN-High terminal of ECM/ECS ECU/HECU/EPB ECU/Cluster ECU harness connector and CAN-High terminal of LDWS ECU harness connector.
4. Measure resistance between CAN-Low terminal of ECM/ECS ECU/HECU/EPB ECU/Cluster ECU harness connector and CAN-Low terminal of LDWS ECU harness connector.

Specification : Below approx. 1 Ohms








5. Is the measured value within specification?