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
Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
Has a problem been found ?
YES
Repair as necessary and then go to "Verification of Vehicle Repair"procedure.
NO
Go to"CAN Circuit Inspection"procedure.
Ignition "OFF".
Disconnect EPS CM & ECU connector .
Measure resistance between EPS CM terminal "6"of the engine ECU terminal"77"connector.(HIGH).
Measure resistance between EPS CM terminal "5"of the engine ECU terminal "78"connector.(LOW).
Specification : 0 Ω
Is the measured resistance within specifications?
YES
Go to "Component Inspection"procedure.
NO
Check Open between EPS CM & engine ECU harness.
Repair as necessary and then go to"Verification of Vehicle Repair"procedure.