3.
Has a problem been found ?
 | ▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Go to "CAN Circuit Inspection" procedure. |
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 ?
| ▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure. |
| ▶ Go to "CAN Circuit Inspection" procedure. |
IG KEY OFF.
Disconnect EPS ECU & PCM connector.
Measure resistance between CAN HIGH terminal of the EPS ECU harness connector and CAN HIGH terminal terminal of the PCM harness connector.
Measure resistance between CAN LOW terminal of the EPS ECU harness connector and CAN LOW terminal terminal of the PCM harness connector.
Specification : Approx. below 1Ω
Is the measured resistance within specifications?
| ▶ Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. ▶ Check CAN communication circuit for short to battery in harness and then go to "Verification of Vehicle Repair" procedure. |
| ▶ Repair open or short circuit in the CAN communication line and then go to "Verification of Vehicle Repair" procedure. |
