W/Harness Inspection
Terminal and Connector Inspection
1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage
2. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
3. Has a problem been found ?
CAN Circuit Inspection (EPS <-> ECM)
1. Ignition "OFF".
2. Disconnect EPS CM & ECU connector.
3. Measure resistance between EPS CM terminal "6" of the engine ECU terminal "77" connector.(HIGH).
4. Measure resistance between EPS CM terminal "3" of the engine ECU terminal "78" connector.(LOW).
Specification : 0 Ohms
5. Is the measured resistance within specifications?